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TLE6270R quad low side injector driver data sheet, v1.3, december 2008 automotive power
data sheet 2 v1.3, 2008-12-23 TLE6270R quad low side injector driver table of contents 1 overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 general description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.1 pin assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.2 pin definitions and functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4 general product characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4.1 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4.2 functional range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4.3 thermal resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 5 functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 5.1 list of functionalities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 5.2 load control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 5.3 output current control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 current control configurations accord ing to non and pch signals . . . . . . . . . . . . . . . . . . . . . . 13 5.4 diagnostic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 5.4.1 failures detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 off state open load functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 off state overvoltage functionality: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 hs diag filter functionality: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 diagnostic control circuit functionality: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 scn/oln definition circuit table: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 5.4.2 failures information (via spi) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 failure register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 output coder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 input coder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 shift register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 spi control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 sdo driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 5.5 protections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 5.5.1 all inputs/outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 5.5.2 t1, t4 power transistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 5.6 reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 6 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 6.1 supply current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 6.2 inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 6.3 outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 6.4 current control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 6.5 current control timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 6.6 diagnostic and protections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 6.7 spi timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 7diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 7.1 typical laws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 7.2 output timings diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 table of contents
data sheet 3 v1.3, 2008-12-23 TLE6270R quad low side injector driver table of contents 8 application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 8.1 principle diagram of injection system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 8.2 typical waveform diagrams for one and two outputs control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 9 package outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 green product (rohs compliant) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 10 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
pg-dso-36 type package marking TLE6270R pg-dso-36 TLE6270R data sheet 4 v1.3, 2008-12-23 quad low side injector driver TLE6270R 1overview features ? four integrated low side switches, control logic and -outputs for external high side switches ? programmable peak and hold output current control to adapt to application requirements. ? detailed diagnostic of defective or missing injector connections ? serial peripheral interface (spi) for diagnostics and control of the device ? short circuit-, esd and overtemperature protection ? undervoltage reset ? green product (rohs compliant) ? aec qualified application ? gasoline direct injection general description TLE6270R is specially suited for ga soline direct injection systems in au tomotive applications. the device controls the external high side transistors to supply the injectors al ternating with battery voltage and a boosted high voltage according the requirement of the applied in jectors. the device incorporates the low side driver transistors for four injector channels. product summary parameter symbol value unit output channels 4 continuous output voltage max. v out 80 v clamping voltage typ. v clp 87 v peak current typ. i p_c 11.50 a hold current typ. i h 2.30 a on resistance max. at 150 c r on 300 m ?
data sheet 5 v1.3, 2008-12-23 TLE6270R quad low side injector driver overview figure 1 application diagram micro controller tle 6270 r 5 k ? loads 5v hs diagnosis circuitry bank a bank b hs diagnosis circuitry 5 k ? loads batt 80v spi inputs reset programming resistors external oscillator
TLE6270R quad low side injector driver block diagram data sheet 6 v1.3, 2008-12-23 2 block diagram figure 2 block diagram group_a power switches control including failures protection group_a failures detection peak holdx non1a non4a pcha nctl2a nctl3a pgr_ip pgr_ih hs_diaga clk sdi sdo ncs spi interface for failures informat nres out1a out4a vcc under voltage reset rst 5v lp_gnd rst t1_a t4_a pgr_ipc group_b power switches control including failures protection peak holdx non1b non4b pchb nctl2b nctl3b hs_diagb rst over temp. over temp. out1b out4b t1_b t4_b over temp. over temp. group_b failures detection gnd1a gnd4a gnd1b gnd4b 5v 5v 5v 5v diagnostic control oscillator 5v 5v 5v 5v 5v 5v 5v 5v 5v 5v ctl4a ctl1a ctl4b ctl1b osc block osc1 logic blocks osc2
data sheet 7 v1.3, 2008-12-23 TLE6270R quad low side injector driver pin configuration 3 pin configuration 3.1 pin assignment figure 3 pin configuration p-dso-36 vcc lp_gnd pgr_ip pgr_ipc pgr_ih osc 2 osc 1 non 1b nctl 2a nctl 3a out 1b nctl 2b nctl 3b out 1a gnd gnd out 1a out 1b 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 non 4a non 1a pch a nres non 4b pch b clk ncs sdi sdo out 4b out 4a hs_diag a hs_diag b gnd gnd out 4a out 4b 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 36 35 34
TLE6270R quad low side injector driver pin configuration data sheet 8 v1.3, 2008-12-23 3.2 pin definitions and functions pin symbol function 7 v cc 5 v power supply 10 lpgnd low power ground 1 gnd high power ground 18 gnd high power ground 19 gnd high power ground 36 gnd high power ground 2 out1a output channel 1a 3 out1a output channel 1a 34 out4a output channel 4a 35 out4a output channel 4a 16 out1b output channel 1b 17 out1b output channel 1b 20 out4b output channel 4b 21 out4b output channel 4b 30 non1a control input channel 1a 33 non4a control input channel 4a 15 non1b control input channel 1b 22 non4b control input channel 4b 32 pcha pre-charge input group a 23 pchb pre-charge input group b 8 pgr_ipc ipc programming input 1) 1) if there is no pre-charge resistor this pin has to be connected to v cc on the pcb 9 pgr_ip ip programming input 4 pgr_ih ih programming input 5 nctl2a control output high side 2a 6 nctl3a control output high side 3a 14 nctl2b control output high side 2b 13 nctl3b control output high side 3b 31 hs_diag a high side diagnostic input a 24 hs_diag b high side diagnostic input b 25 nres reset input 27 sdi serial data input 26 sdo serial data output 28 clk clock input for serial interface 29 ncs chip-select input 11 osc1 external resonator input 12 osc2 external resonator output ?case note: has to be connected to gnd on the pcb
data sheet 9 v1.3, 2008-12-23 TLE6270R quad low side injector driver general product characteristics 4 general product characteristics 4.1 absolute maximum ratings note: stresses above the ones listed here may cause perm anent damage to the device. exposure to absolute maximum rating conditions for extended periods may affect device reliability. note: integrated protection functions are designed to prevent ic destruction under fault conditions described in the data sheet. fault conditions are considered as ?outside? normal operating range. protection functions are not designed for continuous repetitive operation. figure 4 energy repetitive pulse and energy single pulse absolute maximum ratings 1) t j = -40 c to +150 c; all volt ages with respect to ground, positive current flowing into pin (unless otherwise specified) 1) not subject to production test, specified by design. pos. parameter symbol limit values unit conditions min. max. 4.1.1 supply voltage v cc -0.3 7 v ? outputs 4.1.2 continuous output voltage v out -1.5 80 v ? 4.1.3 continuous output current, one output active i outc -5 5 a ? 4.1.4 peak output current i outp -10 20 a see chapter 5.5 4.1.5 clamping energy repetitive pulse w offr ? 30 mj all t , see figure 4 4.1.6 clamping energy single pulse w offs ? 130 mj all t , see figure 4 inputs and nctl, sdo outputs 4.1.7 continuous voltage v in -0.3 7 v ? all pins esd susceptibility 4.1.8 electrostatic discharge v esd -2000 2000 v r = 1.5 k ? ; c = 100 pf; hbm 2) 2) esd susceptibility, hbm acco rding to eia/jesd 22-a114b operating range 4.1.9 operating temperature range t j -40 150 c 1) 4.1.10 storage temperature range t j -55 150 c 1) 250 us 100ns 10% 90% 240 w p t f=1 khz 500 us 100ns 10% 90% 520 w p t
TLE6270R quad low side injector driver general product characteristics data sheet 10 v1.3, 2008-12-23 4.2 functional range note: within the functional range the ic operates as de scribed in the circuit description. the electrical characteristics are specifi ed within the conditions given in the re lated electrical ch aracteristics table. 4.3 thermal resistance note: this thermal data was generated in accordance wit h jedec jesd51 standards. fo r more information, go to www.jedec.org . pos. parameter symbol limit values unit conditions min. max. 4.2.1 supply voltage v s 4.5 5.5 v ? 4.2.2 junction temperature continuous t j1 -40 150 c permanent operation pos. parameter symbol limit values unit conditions min. typ. max. 4.3.1 junction to case 1) 1) not subject to production test, specified by design. r thjc ??2k/w?
data sheet 11 v1.3, 2008-12-23 TLE6270R quad low side injector driver functional description 5 functional description 5.1 list of functionalities the device performs the following functionalities: ? load control ? 4 low side power transistors driven by 4 parallel cmos compatible inputs. ? output current control ? output current comparators and logic circuit to gene rate high side switches control signals nctl2 and nctl3. ? current thresholds programmable by external resistor. ? diagnostic of defective or missing in jector connections and overtemperature ? comparators and logic circuit to interpret unexpected current, voltages and hsdiag input status as short circuit or disconnection of the injector. ? 4 thermal sensors for independent overtemperature detection on the 4 channels. ? protection ? all inputs/outputs: protection against esd (all input and output pins) ? t1, t4, internal power transistors: protection agains t overvoltage and transients (schaffner test pulses)? ? external transistors connected via nctl2 and clt3 : protection against overvoltage and transients (schaffner test pulses)? ? reset ? external reset (reset pin) ? internal reset (undervoltage reset) ? electro magnetic compatibility (emc) these functionalities are described in the next chapters. 5.2 load control each output transistor is switched on and off by an individual control signal (non input). in normal operation, when non is low, the transistor is on and when non is high the transistor is off. also after power up, the outputs must have the status defined by the non input. the logic level of the in put is cmos compatible. as there is an internal pull-up, the output transistor is switched off when th e input is not connected. it is possible to drive two separate loads simultaneo usly as far as they do not belong to the same bank.
TLE6270R quad low side injector driver functional description data sheet 12 v1.3, 2008-12-23 5.3 output current control from the output current comparators and i nputs signals, a logic circuit controls the 4 current levels ipc, ip, ih and id by commanding the high side driver s t2 and t3 via nctl2 and nctl3 (see chapter 8 ). t2 and t3 are off when nctl2 and nctl3 are at high level. ? ipc level is controlled between high and low values ipc value can be programmed through pgr_ipc pin ?ip level the transition from ipc to ip is controlled by pch pin ip value can be programmed through pgr_ip pin ? ih level is controlled between high and low values the transition from ip to ih starts when peak level is reached ih value can be programmed through pgr_ih pin ? id level is controlled between high an d low values. id is equal to ih. the transition from ih to id is cont rolled by non1 or non4 and pch pins the damp pulse is not present if ther e is no damp pulse command at non1/4 ? currents values according to programming resistors (see also graph in chapter 7 ) ? r_pgr_ip = k p / ip ? r_pgr_ipc = k pc / ipc ? r_pgr_ih = k h / ih the theoretical design calculation leads to k p = 140000 = 8 k pc = 4 k h . note: if pgr_ipc pin has no resistor and is connected to v cc then there is no pre-charge and no damping. then the pch signal is not used and the output is controlled directly by the non input.
data sheet 13 v1.3, 2008-12-23 TLE6270R quad low side injector driver functional description current control configurations according to non and pch signals figure 5 pre-charge peak hold damp figure 6 peak hold damp figure 7 pre-charge peak hold figure 8 peak - hold figure 9 peak - hold, if pgr_ipc pin has no resistor and is connected to v cc non pch i out non pch i out non pch i out non pch i out non pch i out
TLE6270R quad low side injector driver functional description data sheet 14 v1.3, 2008-12-23 5.4 diagnostic the TLE6270R detects too high output current and too short or too long time to reach the peak current in on state, too high output voltage in off state. it is also informed of too high current in the high side transistors via the hs_diag pin. according to these comparator outputs and the non signals, a logic circuit defines the failures (failure detection). when the failure is dangerous for the ecu, the engine management system, the vehicle or the car driver, all transistors t1, t2, t3, t4 are immediately swit ched off for protection (failure protection). then, for limp home and for repairing, the failures are read by the microcontroller vi a spi (failure information). figure 10 diagnostic schematic group_a failures detection clk sdi sdo ncs sdo driver spi interface for failures informat group_b failures detection diagnostic control group_a failures protection group_b failures protection rst in1 (non1 inverted) in4 (non4 inverted) overcurrent 1a & 4a overtemperature 1a & 4a hs_diaga pin peak current overtime 1a & 4a v ol 1a & 4a overcurrent 1b & 4b overtemperature 1b & 4b hs_diagb pin peak current overtime 1b & 4b v ol 1b & 4b
data sheet 15 v1.3, 2008-12-23 TLE6270R quad low side injector driver functional description 5.4.1 failures detection for information only: table 1 describes for each problem the detection mode and the failure detected (for exact detail, see table 2 ). figure 11 diagram of inj1 failures detection table 1 failures detection connector point problem failure detection mode failures detected hs hs short to battery hs_diag l h or out1/4 peak current overtime inj1_sc and inj4_sc hs short to ground hs_diag l h or out1/4 peak current overtime inj1_sc and inj4_sc hs open circuit peak overtime and out1 /4 off overvoltage inj1_ol and inj4_ol ls1 ls1 short to battery out1 overcurrent inj1_sc t1 overtemperature out1 overtemperature inj1_sc ls1 short to ground hs_diag l h or out1 peak current overtime inj1_sc ls1 short to hs out1 overcurrent or peak current undertime inj1_sc ls1 open circuit peak overtime and out1 off overvoltage inj1_ol ls4 ls4 short to battery out4 overcurrent inj4_sc t4 overtemp out4 overtemperature inj4_sc ls4 short to ground hs_diag l h or out4 peak current overtime inj4_sc ls4 short to hs out4 overcurrent or peak current undertime inj4_sc ls4 open circuit peak overtime and out4 off overvoltage inj4_ol in1 in1 + in4 in4 out1 overcurrent, out1 overtemp, hs_diag l->h peak current1 undertime => x1problem memory peak current1 overtime => y1 problem memory t ol off state overvoltage => z1 problem memory sc/ol definition circuit sc1 ol1 diagnostic control spi z1 y1 x1
TLE6270R quad low side injector driver functional description data sheet 16 v1.3, 2008-12-23 off state open load functionality the tle6270gr is able to detect a missing load in o ff-state using a pull-up resist or connected at the output when the both outputs of the correspoding bank are turned off. for the correct functionalit y of this feature a 5k ? resistor has to be connected in parallel with the freewheeling diode of each bank. off state overvoltage functionality: ? comparator: ? there is one comparator for two channels. a low level on the comparator output (called voff) means no failure. ? the voltage on out1 (resp. out4) is checked at t he off state between out1 an d out4 on states (resp. between out4 and out1 on states). ? filter time: for out1 (resp. ou t4), the filter time starts: ?at h l transition on in1 (resp. in4) ?if v off is high when this first filter time is finished ? at every l h transition on v off hs diag filter functionality: figure 12 hs diag filter functionality (optionally only one out of nctl2 or nctl3 can be on at the same time) diagnostic control circuit functionality: the sc1 (resp.4) and ol1 (resp.4) failures are transferred in the spi on in1 and in4 positive edges. just after, the x1, y1, z1 (resp. x4, y4, z4) problem memories are reset. min. 50ns, max.250ns
data sheet 17 v1.3, 2008-12-23 TLE6270R quad low side injector driver functional description scn/oln definition circuit table: 5.4.2 failures information (via spi) the failures detected are communicated to the microcontroller via a serial/peripheral interface (spi) in order to minimize the pin number. the spi contains a failure register, a coder, a shift register, and a sdo driver: figure 13 failures information failure register each failure is stored in an individual register (this cann ot be done directly in the shift register because a failure can occur while the shift register is being read). if the failure occurs, it re mains until the spi is read. the failure register is cleared when the spi is read (fr_clear signal). output coder the sc and ol failures of the 4 outputs are coded on an 8 bit word described hereafter: table 2 sc/ol defi nition circuit valid for n=1 or n=4 memories failures xn yn zn scn oln 0 0000 0 0100 0 1010 0 1101 1 0010 1 0110 1 1010 1 1110 failure register coder shift register clk sdi sdo ncs d0 fsl d3 d2 d1 d4 d5 d7 d6 diagnostic_control sdo driver inj1a_ol inj1a_sc inj4a_ol inj4a_sc inj4b_ol inj4b_sc inj1b_ol inj1b_sc inj1a_ol_stored inj1a_sc_stored inj4a_ol_stored inj4a_sc_stored inj4b_ol_stored inj4b_sc_stored inj1b_ol_stored inj1b_sc_stored
TLE6270R quad low side injector driver functional description data sheet 18 v1.3, 2008-12-23 figure 14 output coder the first bit of the shift register (fsl ) is set to high level if there is a failure stored in th e failure register. input coder t 1 and t 2 times are coded on 3 bit and 5 bit respectively as described hereafter: table 3 failures coding and priorities valid for i=0 or i=2 or i=4 or i=6 failure spi bits sc ol fsl di+1 di 0 0011 0 1101 1 0110 1 1110 d7 d0 d1 d2 d3 d4 d5 d6 fsl status inj4b 11 = no failure 10 = short cir cuit 01 = shortcircuit status inj1b failure indicator bit (only valid dur ing ncs = low to the first l to h clk change ) 1 = failure stor ed 0 = no failur e status inj4a status inj1a
data sheet 19 v1.3, 2008-12-23 TLE6270R quad low side injector driver functional description figure 15 input coder table 4 describes the time coding: shift register the serial output of the diagnostic shift register is sdo. the serial input is sdi. with the h/l change on ncs the first bit of the diagnostic shift register is transmitted to the sdo output. the clk pin clocks the diagnostic shift register. new sdo data will appear on every clk?s rising edge and new sdi data will be latched into the shi ft register on every clk?s falling edge. with the first positive pulse of the clk the failure register will be cleared by fr_clear. there is no bus collision at a small spike at the ncs. the clk is alwa ys low, while the ncs signal is changing. spi control the spi control block monitors the data transfer from failu re register to shift register and clear these register. this is done with the fr_sr_trans and fr_clear signals as described in the following diagram: table 4 time coding d7 d6 d5 d4 d3 d2 d1 d0 time x xxxx0 0 0 t 1 = 192 s x xxxx0 0 1 t 1 = 224 s ? ? x xxxx1 1 1 t 1 = 416 s 0 0000xxx t 2 = 0 s 0 0001xxx t 2 = 2 s ? ? 1 1111xxx t 2 = 62 s d0 d7 d6 d5 d4 d3 d2 d1 t1 time 000 : default value = 192 s lsb = 32 s 111 = 416 s t2 time 00000 : default value = 0 s lsb = 2 s 111 = 62 s lsb msb msb lsb
TLE6270R quad low side injector driver functional description data sheet 20 v1.3, 2008-12-23 figure 16 spi control sdo driver the sdo driver drives the data on the diagnostic line. sdo is tri-stated when ncs is high. clk ncs sdo d0 - out fsl d1 - out d2-out d3-out d6-out d5-out d4-out d7-out d7-in d6-in d5-in d3-in d4-in d0-in d1-in d2-in sdi fr _ sr _ trans note: fr_sr_trans means failure transfer from the failure register into the shift register fr_clear note: fr_clear means clear of the failure stored of the failure register spi internal si g nals
data sheet 21 v1.3, 2008-12-23 TLE6270R quad low side injector driver functional description 5.5 protections 5.5.1 all inputs/outputs all pins are protected against esd 2kv human body model. 5.5.2 t1, t4 power transistors ? protection against damaging failures note: the protection latches are reset when the non input is at high level. ? protection against overvoltage a clamping circuit limits the outpu t voltage to a defined value ( v clp ) in order to avoid the breakdown of the output transistor when the solenoid load is switched off. ? protection against turn on due to fast voltage ramp on output. a very fast voltage slope on the output can turn on the power transistor (capacitive effects) especially when the normal gate pull-down structure is not active (ic not supplied, v cc too low ?). in this case, the transistor is turned off immediately. this function is guaranteed for v cc between 0 and 5.5 v. 5.6 reset there are two different reset functions: ? undervoltage reset ? nres reset pin if one or several of the following conditions are present: ? v cc lower than v ccres , ? nres pin at low level, the low side t1, t4 are switched off, nctl2 and nctl3 set to high level, all diagnostic registers are reset and the sdo is tri-stated. table 5 protection against damaging failures problem detected transistors switched off t1 or t4 overcurrent t1, t4 (internally) and t2, t3 (via nctl2, nctl3) t1 or t4 overtemperature t1, t4 (internally) and t2, t3 (via nctl2, nctl3) hs_diag l h t1, t4 (internally) and t2, t3 (via nctl2, nctl3) t1 or t4 peak current undertime t1, t4 (internally) and t2, t3 (via nctl2, nctl3) t1 or t4 peak current overtime t1, t4 (internally) and t2, t3 (via nctl2, nctl3) and t 2 starts.
TLE6270R quad low side injector driver electrical characteristics data sheet 22 v1.3, 2008-12-23 6 electrical characteristics 6.1 supply current 6.2 inputs electrical characteristics: supply current v cc = 4.5 v to 5.5 v, t case = -40 c to +125 c, all voltages with respect to grou nd, positive current flowing into pin (unless otherwise specified) pos. parameter symbol limit values unit conditions min. typ. max. 6.1.1 standby current i cc_stb ? ? 10 ma without load 6.1.2 operating mode i cc_om ??20ma i out = 4 a on two outputs 6.1.3 operating mode and reverse output current i cc_om_rev ??20ma i outp = -1 a on one output, i out = 4 a on two other outputs electrical characteristics: inputs (n onx, pchx, nresx, ncs, clk, sdi, hs_diag) v cc = 4.5 v to 5.5 v, t case = -40 c to +125 c, all voltages with respect to grou nd, positive current flowing into pin (unless otherwise specified) pos. parameter symbol limit values unit conditions min. typ. max. 6.2.1 low level v inl -0.3 ? 0.2 v cc v? high level 6.2.2 all inputs except hs_diag v inh 0.7 v cc ? v cc + 0.3 v? 6.2.3 hs_diag v hs_diagh 0.3 v cc ?7v? hysteresis 6.2.4 nonx, pchx, nresx v hyst 0.85 ? ? v ? 6.2.5 ncs, clk, sdi v hyst_spi 0.2??v? input current 6.2.6 all inputs except hs_diag pull-up current i in -100 ? -20 a0 < v in < 0.9 v cc 6.2.7 hs_diag pull-down current i in 20 ? 100 a 500 mv < v in < v cc 6.2.8 ? i in during reverse output current i in -200 ? 200 a i outp = -1 a on one output
data sheet 23 v1.3, 2008-12-23 TLE6270R quad low side injector driver electrical characteristics 6.3 outputs electrical characteristics: serial data output (sdo) v cc = 4.5 v to 5.5 v, t case = -40 c to +125 c, all voltages with respect to grou nd, positive current flowing into pin (unless otherwise specified) pos. parameter symbol limit values unit conditions min. typ. max. 6.3.1 high output level v sdoh v cc - 0.4 ??v i sdo = -2 ma 6.3.2 low output level v sdol ??0.4v i sdo = 3.2 ma 6.3.3 tristate leakage current i sdol -10 ? 10 a ncs = high; v sdo = 0 ? v cc electrical characteristics: control hs outputs (nctlx) v cc = 4.5 v to 5.5 v, t case = -40 c to +125 c, all voltages with respect to grou nd, positive current flowing into pin (unless otherwise specified) pos. parameter symbol limit values unit conditions min. typ. max. 6.3.4 high output level v nctlh v cc - 1 ? ? v i nctl = -10 ma 6.3.5 low output level v nctll ??0.1v i nctl = 1 ma 6.3.6 peak current at l h transition i p_nctl_lh ??-35ma v nctl = v cc - 4 v 6.3.7 peak current at h l transition i p_nctl_hl 40 ? ? ma v nctl = 4 v electrical characteristics: power outputs (outx) v cc = 4.5 v to 5.5 v, t case = -40 c to +125 c, all voltages with respect to grou nd, positive current flowing into pin (unless otherwise specified) pos. parameter symbol limit values unit conditions min. typ. max. 6.3.8 on resistance at v cc = 5 v r dson1 ??300m ? 1) i out = 5 a; v cc = 5 v; t j = 150 c 6.3.9 clamp voltage v clp1 80 87 94 v 1) i out = 4 a 6.3.10 clamp voltage at -1 a on neighbor output v clpr ? ? 94 v test current 100 ma 6.3.11 matching clamp voltage v clpm v clp - 7 ? v clp + 7 v? 6.3.12 leakage current i outl ??10 a v out = 18 v 6.3.13 neg. output voltage ramp (75% v bat ? 25% v bat , inductive load) o vrn ?20100v/ ssee chapter 7.2 1)2) 6.3.14 pos. output voltage ramp (25% v bat ? 70 v, inductive load) o vrp ? 100 200 v/ ssee chapter 7.2 1)2)3)
TLE6270R quad low side injector driver electrical characteristics data sheet 24 v1.3, 2008-12-23 6.3.15 turn on delay (non 50%; v out = 25% v bat inductive load) td on 1.5 ssee chapter 7.2 1)2) 6.3.16 turn off delay (non 50%; v out = 70 v, inductive load) td off 1.5 ssee chapter 7.2 1)2) 1) characteristics tested in differen t conditions than the specificati on and guaranteed by correlation. 2) measured with resistive load. 3) the design is optimized for low em emissions (no clamp overshoot). electrical characteristics: power outputs reverse diode v cc = 4.5 v to 5.5 v, t case = -40 c to +125 c, all voltages with respect to grou nd, positive current flowing into pin (unless otherwise specified) pos. parameter symbol limit values unit conditions min. typ. max. 6.3.17 reverse voltage drop v rda 0.8 ? 1.5 v for i out = -5.0 a (200 s pulse) 6.3.18 reverse voltage drop v rdb 0.6 ? 1.5 v for i out = -2.5 a (200 s pulse) electrical characteristics: power outputs (outx) (cont?d) v cc = 4.5 v to 5.5 v, t case = -40 c to +125 c, all voltages with respect to grou nd, positive current flowing into pin (unless otherwise specified) pos. parameter symbol limit values unit conditions min. typ. max.
data sheet 25 v1.3, 2008-12-23 TLE6270R quad low side injector driver electrical characteristics 6.4 current control electrical characteristics: current control 1) v cc = 4.5 v to 5.5 v, t case = -40 c to +125 c, all voltages with respect to grou nd, positive current flowing into pin (unless otherwise specified) 1) no reverse current on any outputs are allowed. exte rnal measures against reverse current must be applied. pos. parameter symbol limit values unit conditions min. typ. max. i p current (with r ip = 13.5 k ? ) 6.4.1 absolute value at -40 c i p_c 8.5 ? 13.0 a i p = k p / r ip 6.4.2 absolute value at 25 c and 125 c i p_rh 10 ? 13.0 a see chapter 7.1 6.4.3 matching at -40/25 c i px - i py_c -17% i p ?+17% i p ? 6.4.4 matching at 125 c i px - i py_rh -13% i p ?+13% i p ? 6.4.5 matching temp drift ? ( i px - i py )-2% i p ?+2% i p 2) 2) parameter specified by design, not subject to production test. i h current (with r ih = 14.8 k ? ) 6.4.6 absolute value at -40 c i h_c 1.4 ? 2.6 a i h = k h / r ih 6.4.7 absolute value at 25 c and 125 c i h_rh 1.8 ? 2.8 a see chapter 7.1 6.4.8 static hysteresis ? i h2 7% i h ?17% i h ? 6.4.9 matching at -40/25 c i hx - i hy_c -17% i h ?+17% i h ? 6.4.10 matching at 125 c i hx - i hy_rh -13% i h ?+13% i h ? 6.4.11 matching temp drift ? ( i hx - i hy ) -4% i h ?+4% i h 2) i pc current (with r ipc = 17.4 k ? ) 6.4.12 absolute value at -40 c i pc_c 0.6 ? 1.25 a i pc = k pc / r ipc 6.4.13 absolute value at 25 c and 125 c i pc_rh 0.7 ? 1.25 a see chapter 7.1 6.4.14 static hysteresis ? i pc2 7% i pc 12.5% i pc 15% i pc ? 6.4.15 matching at -40/25 c i pcx - i pcy_c -17% i pc ?+17% i pc ? 6.4.16 matching at 125 c i pcx - i pcy_rh -13% i pc ?+13% i pc ? 6.4.17 matching temp drift ? ( i pcx - i pcy ) -4% i pc ?+4% i pc 2)
TLE6270R quad low side injector driver electrical characteristics data sheet 26 v1.3, 2008-12-23 6.5 current control timings 6.6 diagnostic and protections electrical characteristics: current control timings (load capacitor at nctlx = 100 pf) v cc = 4.5 v to 5.5 v, t case = -40 c to +125 c, all voltages with respect to grou nd, positive current flowing into pin (unless otherwise specified) pos. parameter symbol limit values unit conditions min. typ. max. nctl2 current control delay 6.5.1 delay from pch14 50% v cc to nctl2 50% v cc td nctl2a ??200ns? 6.5.2 delay from hs_diag 50% v cc to nctl2 50% v cc td nctl2c ??500ns? nctl3 current control delay 6.5.3 delay from hs_diag 50% v cc to nctl3 50% v cc td nctl3c ??500ns? electrical characteristics: diagnostic and protections v cc = 4.5 v to 5.5 v, t case = -40 c to +125 c, all voltages with respect to grou nd, positive current flowing into pin (unless otherwise specified) pos. parameter symbol limit values unit conditions min. typ. max. 6.6.1 overcurrent threshold i off 1.18 i p 1.4 i p 1.62 i p a 1) 1) not subject to production test, specified by design. 6.6.2 overtemperature threshold t off 155 ? 185 c 2)3) 2) characteristics tested at wafer level only (w ith special testpads), not on packaged parts. 3) characteristics tested in differen t conditions than the specificati on and guaranteed by correlation. 6.6.3 hs diag input: filter and setup time t hs 50 ? 250 ns ? 6.6.4 overcurrent / overtemperature shutdown filter and delay time t off 8?18 s 1) 6.6.5 pull-up resistor r pull-up 40 ? 150 k ? ? 6.6.6 off state over voltage threshold v ol 0.6 v cc ?0.7 v cc v? 6.6.7 off state overvoltage filter and delay time t ol 3.5 ? 4.5 ms ? 6.6.8 peak current overtime threshold t pmax ? t 1 ? s? 6.6.9 peak current undertime threshold t pmin 10 ? 60 s? 6.6.10 v cc undervoltage v ccres 3.35 ? 3.95 v ? 6.6.11 undervoltage protection max on-time after a output voltage ramp from: 0 v to 25 v at v cc = 0v to 5.5v t rpon ??100 s?
data sheet 27 v1.3, 2008-12-23 TLE6270R quad low side injector driver electrical characteristics 6.7 spi timings figure 17 spi timings electrical characteristics: spi timings (see figure 17 ), load capacitor at sdo = 100 pf v cc = 4.5 v to 5.5 v, t case = -40 c to +125 c, all voltages with respect to grou nd, positive current flowing into pin (unless otherwise specified) pos. parameter symbol limit values unit conditions min. typ. max. 6.7.1 clock frequency (50% duty cycle) f clk ??3mhz? 6.7.2 minimum time clk = high t clh 100 ? ? ns ? 6.7.3 minimum time clk = low t cll 100 ? ? ns ? 6.7.4 propagation delay clk to data at sdo valid t pcld ??100ns 1) 6.7.5 ncs = low to data at sdo valid t csdv ??100ns 1) 1) not subject to production test, specified by design 6.7.6 clk low before ncs low (setup time clk to ncs change h/l) t sclch 100 ? ? ns ? 6.7.7 clk change l/h after ncs = low t hclcl 100 ? ? ns ? 6.7.8 sdi input setup time (clk change h/l after sdi data valid) t scld 20 ? ? ns ? 6.7.9 sdi input hold time (sdi data hold after clk change h/l) t hcld 20 ? ? ns ? 6.7.10 clk low before ncs high t sclcl 150 ? ? ns ? 6.7.11 clk high after ncs high t hclch 150 ? ? ns ? 6.7.12 ncs l/h to output data float t pchdz ??100ns 1) 6.7.13 capacitance at sdi, sdo, clk, ncs c x ??15pf 1) ceramic capacitor 6.7.14 ncs filter time (pulses t fncs will be ignored) t fncs 10 ? 40 ns 1) thclch tsclcl tcll tclh tsclch thclcl ncs clk sdo sdi fsl tcsdv t p cld d0-out tscld thcld d0-in d1-in d7-in d7-out t p chdz
TLE6270R quad low side injector driver electrical characteristics data sheet 28 v1.3, 2008-12-23 attention: to avoid any unknown logic state, t 1 and t 2 values must be latched at the end of t 2 time. moreover, one latch is needed for each group (a and b) for overlapping reasons. at last, as t 1 and t 2 can be whenever changed, t 1 and t 2 should be stored in TLE6270R to release the spi bus prior to being taken into account by the internal counters. figure 18 application hint: example of resonator electrical characteristics: internal clock (see smd ceramic resonator specification n s108 058 007 / 65 92 36.20.89, figure 18 ) v cc = 4.5 v to 5.5 v, t case = -40 c to +125 c, all voltages with respect to grou nd, positive current flowing into pin (unless otherwise specified) pos. parameter symbol limit values unit conditions min. typ. max. 6.7.15 external resonator frequency f osc ?8?mhz? 6.7.16 internal frequency tolerance ? f osc -3% ? +3% f osc ? electrical characteristic s: programmable timings v cc = 4.5 v to 5.5 v, t case = -40 c to +125 c, all voltages with respect to grou nd, positive current flowing into pin (unless otherwise specified) pos. parameter symbol limit values unit conditions min. typ. max. t 1 time 6.7.17 number of coding bit via spi ? 3 ? ? 6.7.18 t 1 default value t1_0 ? 192 ? s (0, 0, 0) 6.7.19 t 1 lsb (least significant bit) t1_lsb ? 32 ? s? 6.7.20 t 1 max value t1_max ? 416 ? s (1, 1, 1) t 2 time 6.7.21 number of coding bit via spi ? 5 ? ? 6.7.22 t 2 default value t2_0 ? 0 ? s (0, 0, 0, 0, 0) 6.7.23 t 2 lsb (least significant bit) t2_lsb ? 2 ? s? 6.7.24 t 2 max value t2_max ? 62 ? s (1, 1, 1, 1, 1) resonator electrical characteristics nominal oscillating frequency 8.000mhz oscillating frequency tolerance +/-0.5% built-in capacitance value 30pf +/-20% resonant impedance maximum resonant impedance 40ohm max. variation by temperature change 10ohm max. at 170c, 6sec. insulation resistance 500mohm min (at 10vdc) withstanding voltage 100vdc, 5 sec. max. absolute maximum voltage maximum dc voltage 6vdc maximum input voltage 15vpp temperature characteristic (-40 to +125c) +/-0.4% max. operating temperature range -40 to +125c storage temperature range -55 to +125c application diagram
data sheet 29 v1.3, 2008-12-23 TLE6270R quad low side injector driver diagrams 7diagrams 7.1 typical laws figure 19 i p ( r ip ) (temp = 25 c) figure 20 i pc ( r ipc ) (temp = 25 c) figure 21 i h ( r ih ) (temp = 25 c) ip=f(rip) y = 155/x 9 9,5 10 10,5 11 11,5 12 12,5 13 11,0 12,0 13,0 14,0 15,0 16,0 17,0 18,0 rip (kohm) ip (a) ipc=f(ripc) y = 17,4/x 0,8 0,85 0,9 0,95 1 1,05 1,1 1,15 1,2 14,0 15,0 16,0 17,0 18,0 19,0 20,0 21,0 22,0 rip (kohm) ipc (a) ih=f(rih) y = 32,5/x 1,8 2 2,2 2,4 2,6 2,8 3 3,2 3,4 3,6 9,0 10,0 11,0 12,0 13,0 14,0 15,0 16,0 17,0 18,0 19,0 rih (kohm) ih (a)
TLE6270R quad low side injector driver diagrams data sheet 30 v1.3, 2008-12-23 7.2 output timings diagram figure 22 output timing v out v clp nonx 25%.vbat 75%.vbat vbat ovrn ovrp ton toff 70v
data sheet 31 v1.3, 2008-12-23 TLE6270R quad low side injector driver application information 8 application information note: the following information is given as a hint for the implementation of the device only and shall not be regarded as a description or warranty of a certain functionality, condition or quality of the device. 8.1 principle diagram of injection system figure 23 application diagram note: all values mentioned are typical values. note: in order to program different t1 and t2 times the resonator frequency could be adjusted tle 6270 r loads loads programming resistors external oscillator rhsb 5 k ? ldo batt 80v rhsb 5 k ? micro controller 5v spi inputs sdo nres clk sdi ncs non1a non4a pcha non1b non4b pchb vcc out1a out4a prg_ipc prg_ip prg_ih os c1 osc2 out1b out4b bank a bank b hs_diaga ctl3a ctl2a ctl3b ctl2b hs_diagb t3 a t2a t2b t3b d3 a d3 b 6v 6v 2 .2nf 2. 2nf 1k ? 1k ? c emi c emi c emi c emi 5v 5v 5v 5v ctl1a ctl4a ctl1b ctl4b
TLE6270R quad low side injector driver application information data sheet 32 v1.3, 2008-12-23 8.2 typical waveform diagrams fo r one and two ou tputs control figure 24 waveform diagram for one output control ? t pc is typically 1 ms. it can be set to 100 ns minimum. ? t wd is typically 200 s. ? t d is typically 150 s. figure 25 waveform diagram for two outputs control note: for each group (a or b), there is no overlapping between the channels 1 and 4. v clp t pc ti t wd t d non1 pch_14 i out1 v out1 nctl3 nctl2 ctl1 i pc ? ipc i p i h ? ih i d ? id t1 t2 non1 pch_14 nctl3 nctl2 ctl1 ctl4 i out1 i out4 non4
data sheet 33 v1.3, 2008-12-23 TLE6270R quad low side injector driver package outlines 9 package outlines figure 26 p-dso-36 (plastic dual small outline package) green product (rohs compliant) to meet the world-wide customer requirements for environmentally friendly products and to be compliant with government regulations the device is available as a green product. green products are rohs-compliant (i.e pb-free finish on leads and suitable for pb-free soldering according to ipc/jedec j-std-020). bottom view does not include plastic or metal protrusion of 0.15 max. per side 1 18 0.25 ?.1 1.1 36 +0.13 0.25 36x 19 m (heatslug) 15.74 0.65 ?.1 c ab 19 c 3.25 3.5 max. +0.1 0 0.1 ?.1 36 2.8 b 11 ?.15 1) 1.3 5? 0.25 ?? -0.02 +0.07 6.3 14.2 (mold) ?.3 b ?.15 0.25 heatslug 0.95 heatslug ?.1 5.9 3.2 (metal) ?.1 (metal) 13.7 (metal) 10 1 -0.2 index marking (mold) 15.9 1) ?.1 a 1 x 45? 1) gps09181 for further information on alternativ e packages, please vi sit our website: http://www.infineon.com/packages . dimensions in mm
TLE6270R quad low side injector driver revision history data sheet 34 v1.3, 2008-12-23 10 revision history version date changes 1.3 2008-10-22 updated data sheet to newest template revision figure 1 : changed chapter 5.2 : added details chapter 5.4.1 : added paragraph regarding open load detection table 2 : modified table 3 : modified figure 15 : modified table 4 : modified chapter 8 : application information chapter moved figure 23 : changed and second note added all pages: editorial changes 1.1 2008-08-25 initial version of rohs-compliant derivate of TLE6270R datasheet converted to green 0.31 2007-01-30 updated product summary page parameter 4.1.3 removed 0.1 2006-05-06 release for internal correction loop 0.1a 2006.05.30 corrections afte r internal correction loop 0.2 2006-06 release target datasheet
edition 2008-12-23 published by infineon technologies ag 81726 munich, germany ? 2009 infineon technologies ag all rights reserved. legal disclaimer the information given in this docu ment shall in no event be regarded as a guarantee of conditions or characteristics. with respect to any examples or hints given herein, any typical values stated herein and/or any information regarding the application of the device, infine on technologies hereby disclaims any and all warranties and liabilities of any kind, including witho ut limitation, warranties of non-infrin gement of intellectua l property rights of any third party. information for further information on technology, delivery terms and conditions and prices, please contact the nearest infineon technologies office ( www.infineon.com ). warnings due to technical requirements, components may contain dangerous substances. for information on the types in question, please contact the nearest infineon technologies office. infineon technologies compon ents may be used in life-su pport devices or systems only with the express written approval of infineon technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system or to affect the safe ty or effectiveness of that de vice or system. life support devices or systems are intended to be implanted in the hu man body or to support an d/or maintain and sustain and/or protect human life. if they fail, it is reasonable to assume that the health of the user or other persons may be endangered.

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