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IFX1054G
Fault Tolerant Low Speed CAN-Transceiver
Data Sheet
Rev. 1.0, 2009-05-12
Standard Products
IFX1054G
Table of Contents
Table of Contents
1 2 2.1 3 3.1 3.2 4 4.1 4.2 5 5.1 6 7 7.1 8 9 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Circuit Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Pin Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Pin Definitions and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Operation Modes, Wake - Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Bus Failure Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Application Hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Functional Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Application Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Further Application Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Package Outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Data Sheet
2
Rev. 1.0, 2009-05-12
Fault Tolerant Low Speed CAN-Transceiver
IFX1054G
1
Features * * * * * * * * * * * * * *
Overview
Data transmission rate up to 125 kBaud Low current consumption in Stand - By and Sleep operation mode, including BUS Wake - Up Implemented Receive - Only mode Optimized Electromagnetic Compatibility (EMC) Wake - Up input pin, dual edge sensitive VS Supply fail flag Extended bus failure management to guarantee safe operation during all bus line failure events Support of failure conditions Fully Wake - Up capability during all bus line failure conditions Supports one-wire transmission mode with ground offset voltages up to 1.5 V Prevention from bus occupation in case of CAN controller failures Thermal protection Bus line error protection Green Product (RoHS compliant)
PG-DSO-14
Description The CAN-Transceiver IFX1054G works as the interface between the CAN protocol controller and the physical CAN bus - lines. It is optimized for low-speed data transmission (up to 125 kBaud) in industrial applications. While no data is transferred, the power consumption can be minimized by multiple low power modes. In Normal operation mode a differential signal is transmitted / received. When bus wiring failures are detected the device automatically switches in a dedicated single - wire mode to maintain the CAN bus communication.
Type IFX1054G Data Sheet
Package PG-DSO-14 3
Marking IFX1054G Rev. 1.0, 2009-05-12
IFX1054G
Block Diagram
2
Block Diagram
VCC
10
VS
14
1 RTL CANH CANL RTH 9 11 12 8 Output Stage Mode Control (normal, stand-by, sleep) Driver TempProtection 2 Time Out 7 6 5
INH WK ENT NSTB
TxD
VCC
Bus Failure Wake-Up 7.2 Fail Flag 1.8
VBat
4
NERR
Failure Management
VCC
Multiplexer
-2.8 Filter 3.2
3
RxD
7.2 GND 13 Receiver
AEA03314.VSD
Figure 1
Block Diagram
Data Sheet
4
Rev. 1.0, 2009-05-12
IFX1054G
Block Diagram
2.1
Circuit Description
The CAN transceiver IFX1054G works as the interface between the CAN protocol controller and the physical CAN bus-lines. Figure 2 shows the principle configuration of a CAN network. The IFX1054G is optimized for low-speed data transmission (up to 125 kBaud) in industrial applications. In Normal operation mode a differential signal is transmitted / received. When bus wiring failures are detected the device automatically switches in a dedicated single-wire mode to maintain communication. While no data is transferred, the power consumption can be minimized by multiple low power operation modes. Further a Receive - Only mode is implemented. To reduce radiated electromagnetic emission (EME) the dynamic slopes of the CANL and CANH signals are both limited and symmetric. This allows the use of an unshielded twisted or parallel pair of wires for the bus. During single-wire transmission (one of the bus lines is affected by a bus line failure) the EME performance of the system is degraded from the differential mode. In case the transmission data input TxD is permanently dominant, both, the CANH and CANL transmitting stage are disabled after a certain delay time. This is necessary to prevent the bus from being blocked by a defective protocol unit or short to GND at the TxD input.
Local Area 1
Local Area 2
Controller 1
Controller 2
RxD 1
TxD 1
RxD 2
TxD 2
Transceiver 1
Transceiver 2
Bus Line
Figure 2 CAN Network Example
AES02410
Data Sheet
5
Rev. 1.0, 2009-05-12
IFX1054G
Block Diagram
Power Down
Start Up Power Up
Normal Mode NSTB 1 ENT 1 INH High NSTB ENT 1 1 NSTB ENT 0 ENT 1 ENT or 0 0 Low
VCC
RxD-Only 0 NSTB 1 NSTB ENT 0 INH High
NSTB
0 or Low 1 0
VCC
NSTB
VBat Stand-By
NSTB ENT 0 INH High
NSTB ENT
0 1 ENT 1
t < th(min)
Go to Sleep Mode NSTB 0 ENT 1 INH High
ENT
0
Wake-Up via CAN-Bus or WK-Input; t > tWU(min) or t > tWK(min)
ENT = 1 t > th(min) 0
Sleep Mode NSTB ENT 0 INH Float.
AEA03317.VSD
Figure 3
State Diagram
Data Sheet
6
Rev. 1.0, 2009-05-12
IFX1054G
Pin Configuration
3
3.1
Pin Configuration
Pin Assignment
Figure 4
Pin Configuration
3.2
Pin 1 2 3 4 5 6 7
Pin Definitions and Functions
Symbol INH TxD RxD NERR NSTB ENT WK Function Inhibit output; for controlling an external voltage regulator Transmit data input; integrated pull - up, LOW: bus becomes dominant, HIGH: bus becomes recessive Receive data output; integrated pull - up, LOW: bus is dominant, HIGH: bus is recessive Error flag output; integrated pull - up, LOW: bus error (in Normal operation mode), further functions see Table 1 Not stand-by input; digital control input to select operation modes, see Figure 3 Enable transfer input; digital control input to select operation modes, see Figure 3 Wake - Up input; if level of VWAKE changes the device indicates a Wake - up from low power mode by switching the RxD output LOW and switching the INH output HIGH (in Sleep mode), see Table 1 Termination resistor output; connected to CANH bus-line via termination resistor (500 < RRTH < 16 k), controlled by internal failure management Termination resistor output; connected to CANL bus-line via termination resistor (500 < RRTL < 16 k), controlled by internal failure and mode management Supply voltage input; +5 V, block to GND directly at the IC with ceramic capacitor CAN bus line H; HIGH: dominant state CAN bus line L; LOW: dominant state Ground Voltage supply input; block to GND directly at the IC with ceramic capacitor
8 9 10 11 12 13 14
RTH RTL
VCC
CANH
CANL GND
VS
Data Sheet
7
Rev. 1.0, 2009-05-12
IFX1054G
Operation Modes, Wake - Up
4
Operation Modes, Wake - Up
In addition to the Normal operation mode, the IFX1054G offers a Receive - Only mode as well as two Low - Power operation modes to save power during periods that do not require communication on the CAN bus: Sleep mode, VBAT Stand - By mode (see Table 1 and Figure 2). Via the control input pins NSTB and ENT the operation modes are selected by the microcontroller. In the Low - Power modes neither receiving nor transmitting of messages is possible. In Sleep operation mode the lowest power consumption is achieved. In order to minimize the overall current consumption of the ECU (electronic control unit) the external voltage regulator (5 V supply) is deactivated by the INH output in this mode, when connected. For that purpose the INH output is switched to high impedance. In parallel the CANL line is pulled - up to the battery supply voltage via the RTL output and the pull - up paths at the input pins TxD and RxD are disabled from the internal supply. To enter the Sleep operation mode the transition mode "Go - to - Sleep" has to be selected (Figure 2) for a minimum time th(min). After the minimum hold time th(min) the Sleep mode can be actively selected. Otherwise the IFX1054G will automatically fall in Sleep mode because of the not powered microcontroller. On a Wake - Up request either by bus line activities or via the WK input, the transceiver is automatically set in VBAT Stand - By mode. Now the voltage regulator (5 V supply) is enabled by the INH output. The WK input reacts to both, transition from high to low voltage level as well as the other way round. To avoid faulty Wake - Up's due to transients on the bus lines or the WK input circuitry respectively, a certain filter time is implemented. As soon as VCC is provided, the Wake - Up request is monitored on both, the NERR and RxD outputs, by setting them low. Upon this the microcontroller can activate the Normal operation mode by setting the control inputs NSTB and ENT high. The VBAT Stand - By mode corresponds to the Sleep mode, but a voltage regulator connected to the INH output will remain active. Wake - Up requests via the WK pin or the bus lines are immediately reported to the microcontroller by setting RxD and NERR low. A power - on condition (VBAT pin is supplied) automatically switches the IFX1054G to VBAT Stand - By mode. In the Receive - Only mode data on the CAN-bus is transferred to the RxD output, but both output stages, CANH as well as CANL are disabled. This means that data at the TxD input is not transmitted to the CAN bus. This mode is useful in combination to a dedicated network - management software that allows separate diagnosis for all nodes. A Wake - Up request in the Receive - Only mode is only reported at the RxD-output. The NERR output in this mode is used to indicate a battery fail condition. When entering the Normal mode the VBAT-flag is reset and the NERR output becomes high again. This feature is useful e.g. when changing the ECU and therefore a presetting routine of the microcontroller has to be started. If either of the supply voltages drops below the specified limits, the transceiver is automatically switched to VBAT Stand - By mode or power - down mode respectively.
Data Sheet
8
Rev. 1.0, 2009-05-12
IFX1054G
Operation Modes, Wake - Up
Table 1 NSTB 0 0 0 1 0 0 1 0
Truth Table of the CAN Transceiver ENT Mode INH NERR RxD RTL switched to VBAT switched to VBAT switched to VBAT active LOW HIGH = recessive receive data; LOW = dominant receive data HIGH = recessive receive data; LOW = dominant receive data switched to VCC
VBAT Stand - By
mode
1)
VBAT
floating becomes floating
active LOW Wake - Up interrupt if VCC is present
Sleep mode2) Go - to - Sleep command Receive - Only mode
VBAT
VBAT
Power - On flag3)
1
1
Normal mode
VBAT
active LOW bus error flag
switched to VCC
1) Wake - Up interrupts are released when entering Normal operation mode. 2) If Go - to - Sleep command was used before, ENT may turn LOW as VCC drops, without affecting internal functions. 3) VBAT Power - On flag will be reseted when entering Normal operation mode.
4.1
Bus Failure Management
The IFX1054G detects the bus failures as described in Table 2, and automatically switches to a dedicated CANH or CANL single wire mode to maintain data transmission if necessary. Therefore, the device is equipped with one differential receiver and 4 single ended receivers, two for each bus line. To avoid false triggering by external RF influences the single wire modes are only activated after a certain delay time. As soon as the bus failure disappears the transceiver switches back to differential mode after another time delay. Bus failures are indicated in the Normal operation mode by setting the NERR output low. The differential receiver threshold is typ. -3.1 V. This ensures correct reception in the Normal operation mode as well as in the failure cases 1, 2 and 4 with a noise margin as high as possible. For these failures, further failure management is not necessary. Detection of the failure cases 1, 2, 3a and 4 is only possible when the bus is dominant. Nevertheless, they are reported on the NERR output until transmission of the next CAN word on the bus begins. When one of the bus failures 3, 5, 6, 6a and 7 is detected, the defective bus wire is disabled by switching off the affected bus termination and the respective output stage. A Wake - Up from Sleep mode via the bus is possible either via a dominant CANH or CANL line. This ensures that a Wake - Up is possible even if one of the failures 1 to 7 occurs. Table 2 Failure # 1 2 3 3a 4 5 6 CAN Bus-line Failures Failure Description CANL line interrupted CANH line interrupted CANL line shorted to VBAT CANL line shorted to VCC CANH line shorted to GND CANL line shorted to GND CANH line shorted to VBAT
Data Sheet
9
Rev. 1.0, 2009-05-12
IFX1054G
Operation Modes, Wake - Up Table 2 Failure # 6a 7 CAN Bus-line Failures Failure Description CANH line shorted to VCC CANL line shorted to CANH line
A current limiting circuit protects the CAN transceiver output stages from damage by short-circuit to positive and negative battery voltages. The CANH and CANL pins are protected against electrical transients. The transmitter output stages generate the majority of the power dissipation. Therefore they are disabled if the junction temperature exceeds the maximum value. This effectively reduces power dissipation, and hence will lead to a lower chip temperature, while other parts of the IC can remain operating. In temperature shut - down condition the IFX1054G is still able to receive CAN-bus messages.
4.2
Table 3 Pin Symbol INH NERR NSTB ENT WK
Application Hints
Not Needed Pins Recommendation Leave open Leave open Connect to VCC Connect to VCC Connect to VBAT, connect to GND: increases current consumption by approx. 5 A
Data Sheet
10
Rev. 1.0, 2009-05-12
IFX1054G
Absolute Maximum Ratings
5
Table 4 Parameter
Absolute Maximum Ratings
Absolute Maximum Ratings Symbol Limit Values Min. Max. 40 6 40 100 40 40 160 155 4 2 V V V V V V C C kV kV - - - -
1)
Unit
Notes
Input voltage at VBAT Logic supply voltage VCC Input voltage at TxD, RxD, NERR, NSTB and ENT Input voltage at CANH and CANL Transient voltage at CANH and CANL Input voltage at WK Input voltage at INH Input voltage at RTH and RTL Junction temperature Storage temperature Electrostatic discharge voltage at pin CANH, CANL, RTH, RTL, VBAT Electrostatic discharge voltage at any other pin
VS VCC VIN VBUS VBUS VWK VINH VRTH/L Tj Tstg Vesd Vesd
-0.3 -0.3 -0.3 -40 -150 -40 -0.3 -0.3 -40 -55 -4 -2
VCC + 0.3 V
- - - - -
2)
VBAT + 0.3 V
2)
1) See ISO 7637 2) Human body model: equivalent to discharging a 100 pF capacitor through a 1.5 k resistor.
Note: Stresses above those listed here may cause permanent damage to the device. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
5.1
Table 5 Parameter
Functional Range
Functional Range Symbol Limit Values Min. Max. 5.25 27 16 150 120 200 27 V V k C K/W C V - - - - - 10 C hyst. - 4.75 5.7 0.5 -40 - 160 -0.3 Unit Notes
Logic input voltage Battery input voltage Termination resistances at RTL and RTH Junction temperature Thermal Resistance Junction ambient Thermal Shutdown Junction temperature Wake Input Voltage Wake input voltage
VCC VS RRTL/H Tj Rthja TjSH VWK
Note: In the operating range, the functions given in the circuit description are fulfilled.
Data Sheet
11
Rev. 1.0, 2009-05-12
IFX1054G
Electrical Characteristics
6
Table 6
Electrical Characteristics
Static Characteristics
4.75 V VCC 5.25 V; 6 V VS 27 V; normal operation mode; -40 Tj +125 C (unless otherwise specified). All voltages are defined with respect to ground. Positive current flowing into the IC. Parameter Supplies VCC, VS Supply current Symbol Min. Limit Values Typ. 3.5 6.5 3.5 25 30 55 Max. 10.0 10 10.0 55 50 85 mA mA mA A A A Recessive; TxD = VCC Dominant; TxD = 0 V; no load - Unit Notes
ICC
- -
Supply current (Receive - Only mode) Supply current (VBAT Stand - By) Supply current (VBAT Stand - By) Supply current (Sleep operation mode) Supply current (Sleep operation mode) Battery voltage for setting power - on flag HIGH level output voltage (pin NERR) HIGH level output voltage (pin RxD) LOW level output voltage HIGH level input voltage LOW level input voltage HIGH level input current (pins NSTB and ENT) LOW level input current (pins NSTB and ENT) HIGH level input current (pin TxD) LOW level input current (pin TxD) Forced battery voltage stand-by mode (fail safe)
ICC ICC IS ICC + IS
- - - -
VCC = 5 V; VS = 12 V VCC = 5 V; VS = 12 V Tj = 25 C VCC = 0 V; VS = 12 V VCC = 0 V; VS = 12 V Tj = 25 C
-
IS IS
- -
50 50
70 65
A A
VS VOH VOH VOL VIH VIL IIH IIL IIH IIL VCC
-
1 - - - - - 20 6 -30 -300 -
3.5
V V V V V V A A A A V
Receiver Output RxD and Error Detection Output NERR
VCC 0.9
VCC VCC
0.9
I0 = -100 A I0 = -250 A I0 = 1.25 mA
- -
VCC 0.9 0 0.7 x
Transmission Input TxD, not Stand-By NSTB and Enable Transfer ENT
VCC
VCC +
0.3 0.3 x
-0.3 - 0.7 -150 -600 2.75
VCC
80 - -5 -40 4.5
Vi = 4 V Vi = 1 V Vi = 4 V Vi = 1 V
-
Data Sheet
12
Rev. 1.0, 2009-05-12
IFX1054G
Electrical Characteristics Table 6 Static Characteristics (cont'd)
4.75 V VCC 5.25 V; 6 V VS 27 V; normal operation mode; -40 Tj +125 C (unless otherwise specified). All voltages are defined with respect to ground. Positive current flowing into the IC. Parameter Wake - Up input WK Input current Wake - Up threshold voltage Inhibit Output INH HIGH level voltage drop VH = VS - VINH Leakage current VH - -5.0 0.1 - 0.8 5.0 V A Symbol Min. Limit Values Typ. -2 3.0 Max. -1 3.9 A V Unit Notes
IIL VWK(min)
-3 2.2
VWK = 0 V VNSTB = 0 V IINH = -0.18 mA
sleep operation mode; VINH = 0 V
IINH,lk
Bus Lines CANL, CANH Differential receiver recessive-to-dominant threshold voltage Differential receiver dominant-to-recessive threshold voltage CANH recessive output voltage CANL recessive output voltage CANH dominant output voltage
VdRxD(rd) VdRxD(dr) VCANH,r VCANL,r VCANH,d
-3.6 -3.6 0.10
-3.1 -3.1 0.15 -
-2.6 -2.6 0.30 -
V V V V V
VCC = 5.0 V VCC = 5.0 V
TxD = VCC; RRTH < 4 k TxD = VCC; RRTL < 4 k TxD = 0 V; VCC = 5V; RL = 100 TxD = 0 V; VCC = 5V; RL = 100
VCC 0.2
VCC 1.4
VCC 1.0 1.0
VCC
CANL dominant output voltage
VCANL,d
-
1.4
V
CANH output current
ICANH
-110 -5
-80 0
-50 5
mA A
VCANH = 0 V;
TxD = 0 V Sleep operation mode; VCANH = 12 V
CANL output current
ICANL
50 -5
80 0
110 5
mA A
VCANL = 5 V;
TxD = 0 V Sleep operation mode; VCANL = 0 V; VS = 12 V - - - failure cases 3, 5 and 7; VCC = 5 V Rev. 1.0, 2009-05-12
Voltage detection threshold for short-circuit to battery voltage on CANH and CANL CANH Wake - Up voltage threshold CANL Wake - Up voltage threshold CANH single-ended receiver threshold
Vdet(th) VCANH,wu VCANL,wu VCANH
6.5 1.1 2.5 1.5
7.3 2.2 3.1 1.8
8.0 2.5 3.9 2.3
V V V V
Data Sheet
13
IFX1054G
Electrical Characteristics Table 6 Static Characteristics (cont'd)
4.75 V VCC 5.25 V; 6 V VS 27 V; normal operation mode; -40 Tj +125 C (unless otherwise specified). All voltages are defined with respect to ground. Positive current flowing into the IC. Parameter CANL single-ended receiver threshold Difference of Wake - Up threshold CANL leakage current Symbol Min. Limit Values Typ. 3.1 - 0 Max. 3.5 - 5 V V A failure case 6 and 6a; VCC = 5 V - 2.8 0.8 -5 Unit Notes
VCANL Vdiff,wu ICANL,lk
CANH leakage current
ICANH,lk
-5
0
5
A
VCC = 0 V; VS = 0 V; VCANL = 12 V; Tj < 85 C VCC = 0 V; VS = 0 V; VCANH = 5 V; Tj < 85 C Io = -10 mA VBAT Stand - By or
Sleep operation mode
Termination Outputs RTL, RTH RTL to VCC switch - on resistance RTL to BAT switch series resistance
RRTL RoRTL
- 8
20 15
95 30
k
RTH to ground switch - on resistance RTH output voltage RTH pull - down current RTL pull - up current RTH leakage current
RRTH VoRTH IRTH,pd IRTL,pu IRTH,lk
- - 40 -120 -5
40 0.7 75 -75 0
95 1.0 120 -40 5
V A A A
Io = 10 mA Io = 1 mA;
low power mode failure cases 6 and 6a failure cases 3, 5 and 7
RTL leakage current
IRTL,lk
-10
0
10
A
VCC = 0 V; VS = 0 V; VRTH = 5 V; Tj < 85 C VCC = 0 V; VS = 0 V; VRTL = 12 V; Tj < 85 C
Data Sheet
14
Rev. 1.0, 2009-05-12
IFX1054G
Electrical Characteristics Table 7 Dynamic Characteristics
4.75 V VCC 5.25 V; 6 V VS 27 V; normal operation mode; -40 Tj +125 C (unless otherwise specified). All voltages are defined with respect to ground. Positive current flowing into the IC. Parameter CANH and CANL bus output transition time recessive-to-dominant CANH and CANL bus output transition time dominant-to-recessive Symbol Limit Values Min. Typ. 1.2 Max. 2.4 s 10% to 90%; 0.6 Unit Notes
trd
C1 = 10 nF; C2 = 0; R1 = 100
10% to 90%;
tdr
0.3
0.6
1.3
s
C1 = 1 nF; C2 = 0; R1 =
100 Stand - By modes;
Minimum dominant time for Wake - Up via twu(min) CANL or CANH Minimum Wake - Up time on pin WK Failure cases 3, 6 detection time Failure case 6a detection time Failure cases 5, 7 detection time Failure cases 5, 6, 6a, 7 recovery time Failure cases 3 recovery time Failure cases 5, 7 detection time Failure cases 5, 7 recovery time Failure cases 6, 6a detection time Failure cases 6, 6a recovery time Propagation delay tPD(L) TxD-to-RxD LOW (recessive to dominant)
8 8 20 2 1.0 20 250 0.4 0.4 0.8 0.4 -
25 25 40 4 2.0 40 500 1.0 1.0 4.0 1.0 1.3
40 50 80 8 4.0 80 750 2.4 2.4 8.0 2.4 2.4
s s s ms ms s s ms ms ms ms s
VS = 12 V
Low power modes; VS = 12 V Normal operation mode Normal operation mode Normal operation mode Normal operation mode Normal operation mode Stand - By mode;
tWK(min) tfail
VS = 12 V
Stand - By mode;
VS = 12 V
Stand - By mode; VS = 12 V Stand - By mode; VS = 12 V
C1 = 100 pF; C2 = 0; R1 = 100 ; no
failures and bus failure cases 1, 2, 3a, 4
-
1.5
2.4
s
C1 = C2 = 3.3 nF; R1 = 100 ; no bus failure
and failure cases 1, 2, 3a, 4
-
1.6
2.5
s
C1 = 100 pF; C2 = 0; R1 = 100 ; bus failure
cases 3, 5, 6, 6a
-
1.8
2.6
s
C1 = C2 = 3.3 nF; R1 =100 ; bus failure
cases 3, 5, 6, 6a
Data Sheet
15
Rev. 1.0, 2009-05-12
IFX1054G
Electrical Characteristics Table 7 Dynamic Characteristics (cont'd)
4.75 V VCC 5.25 V; 6 V VS 27 V; normal operation mode; -40 Tj +125 C (unless otherwise specified). All voltages are defined with respect to ground. Positive current flowing into the IC. Parameter Symbol - Limit Values Min. Propagation delay tPD(H) TxD-to-RxD HIGH (dominant to recessive) Typ. 1.2 Max. 2.4 s Unit Notes
C1 = 100 pF; C2 = 0; R1 =100 ; no
failures and bus failure cases 1, 2, 3a, 4
-
2.5
3.5
s
C1 = C2 = 3.3 nF; R1 = 100 ; no bus failure
and failure cases 1, 2, 3a, 4
Propagation delay tPD(H) TxD-to-RxD HIGH (dominant to recessive)
-
1.0
2.1
s
C1 = 100 pF; C2 = 0; R1 = 100 ; bus failure
cases 3, 5, 6, 6a
-
1.5
2.6
s
C1 = C2 = 3.3 nF; R1 = 100 ; bus failure
cases 3, 5, 6, 6a - Normal operating mode
Minimum hold time to go sleep command
th(min)
15 -
30 4
60 -
s -
Edge-count difference (falling edge) ne between CANH and CANL for failure cases 1, 2, 3a, 4 detection NERR becomes LOW Edge-count difference (rising edge) between CANH and CANL for failure cases 1, 2, 3a, 4 recovery TxD permanent dominant disable time
-
2
-
-
Normal operating mode
tTxD
1.3
2.0
3.5
ms
-
Data Sheet
16
Rev. 1.0, 2009-05-12
IFX1054G
Application Information
7
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.
+5V 7 6 5 4 3 2 1
WAKE ENT NSTB NERR RxD TxD INH IFX1054G TLE 6254-3G CAN Transceiver RTH RTL V CC CANH CANL GND V BAT 8 9 10 11 12 13 14 + 12 V
20 pF
R1 R1
C1
C2
C1 R 1 = 100 C 1,2 = 10 nF R1 C K = 1 nF
CAN Bus Substitute 1
R1
CK
Schaffner Generator
CK
CAN Bus Substitute 2
AES02423
Figure 5
Test Circuit
For isolated testing the CAN Bus Substitute 1 is connected to the CAN Transceiver (see Figure 5). The capacitors C1-2 simulate the cable. Allowed minimum values of the termination resistors RRTH and RRTL are 500 . Electromagnetic interference on the bus lines is simulated by switching to CAN Bus Substitute 2. The waves of the applied transients will be in accordance with ISO 7637 part 1, test 1, test pulses 1, 2, 3a and 3b.
Data Sheet
17
Rev. 1.0, 2009-05-12
IFX1054G
Application Information
Figure 6
Application Example
Note: This is a very simplified example of an application circuit. The function must be verified in the real application.
7.1
* * *
Further Application Information
Please contact us for information regarding the Pin FMEA. Existing Application Note For further information you may contact: http://www.infineon.com/
Data Sheet
18
Rev. 1.0, 2009-05-12
IFX1054G
Package Outlines
8
Package Outlines
0.35 x 45
1.75 MAX.
0.175 0.07 (1.47)
C
4 -0.2
1.27 0.41+0.10 2) -0.06 14
B
0.1
0.2 M A B 14x
8 60.2
0.64 0.25
0.2 M C
1 7 1) 8.75 -0.2
A
Index Marking 1) Does not include plastic or metal protrusion of 0.15 max. per side 2) Lead width can be 0.61 max. in dambar area GPS01230
Figure 7
PG-DSO-14
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).
For further information on alternative packages, please visit our website: http://www.infineon.com/packages. Data Sheet 19
8MAX.
Dimensions in mm Rev. 1.0, 2009-05-12
1)
0.19 +0.06
IFX1054G
Revision History
9
Revision 1.0
Revision History
Date 2009-05-12 Changes Initial Data sheet
Data Sheet
20
Rev. 1.0, 2009-05-12
Edition 2009-05-12 Published by Infineon Technologies AG 81726 Munich, Germany (c) 2009 Infineon Technologies AG All Rights Reserved. Legal Disclaimer The information given in this document 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, Infineon Technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitation, warranties of non-infringement of intellectual 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 components may be used in life-support 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 safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body or to support and/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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