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tb6585fg/ftg 2011-09-09 1 toshiba bi-cmos integrated circuit silicon monolithic tb6585fg, TB6585FTG 3-phase sine-wave pwm driver for bldc motors features ? sine-wave pwm drive ? triangular-wave generator ? hall amplifier ? lead angle control ? current limit control input (v rs = 0.5 v (typ.)) ? rotation pulse output (3 pulse/electrical degree 360) ? operating supply voltage range: vm = 4.5 to 42 v ? reference supply output: v refout = 4.4 v (typ.), 20 ma (max) ? output current: i out = 1.8 a (max), 1.2 a (typ.) (fg type) i out = 1.0 a (max), 0.8 a (typ.) (ftg type) ? output on-resistance: r on (p-channel and n-channel sum) = 0.7 ? (typ.) tb6585fg TB6585FTG weight: hsop36-p-450-0.65: 0.79 g (typ.) qfn48-p-0707-0.50: 0.137 g (typ.) the following conditions apply to solderability: about solderability, following conditions were confirmed (1)use of sn-37pb solder bath solder bath temperature: 230 dipping time: 5 seconds the number of times: once use of r-type flux (2)use of sn-3.0ag-0.5cu solder bath solder bath temperature: 245 dipping time: 5 seconds the number of times: once use of r-type flux
tb6585fg/ftg 2011-09-09 2 pin assignment tb6585fg note: pins 1 and 36 and pins 18 and 19 are respective ly connected together on the frame inside the ic. the nc pin can be used as a jumper. the fin and the package bottom are electrically connected. to stabilize the chip, the fin pins should be connected to s-g nd and p-gnd at a location as close to the tb6585fg as possible. v refout hup 1 2 hum hvp 3 4 hvm n.c 5 6 hwp hwm 7 8 cw/ccw s-gnd 9 10 n.c osc/c 11 12 osc/r reset 13 14 vsp fg 15 16 rs 17 18 fin 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 fin v refout g in + g in - g out ph lpf iv la ul ll tr ml vm u v w ir p-gnd vm
tb6585fg/ftg 2011-09-09 3 TB6585FTG 13 14 15 16 17 18 19 20 24 37 39 38 41 40 43 42 48 44 25 26 27 28 29 30 31 32 36 1 3 2 5 4 7 6 12 8 nc tr nc nc nc o sc/r vsp nc n c nc nc nc nc nc g out nc vm u nc w ir p-gnd hvp nc fg iv ph la g in reset hvm ul ll nc 21 22 23 33 34 35 46 45 47 10 9 11 nc cw / cc w g in ml v refout hup hum lpf hwm hwp s-gnd osc/c v rs 13 14 15 16 17 18 19 20 24 37 39 38 41 40 43 42 48 44 25 26 27 28 29 30 31 32 36 1 3 2 5 4 7 6 12 8 nc tr nc nc nc o sc/r vsp nc n c nc nc nc nc nc g out nc vm u nc w ir p-gnd hvp nc fg iv ph la g in reset hvm ul ll nc 21 22 23 13 14 15 16 17 18 19 20 24 37 39 38 41 40 43 42 48 44 25 26 27 28 29 30 31 32 36 1 3 2 5 4 7 6 12 8 nc tr nc nc nc o sc/r vsp nc n c nc nc nc nc nc g out nc vm u nc w ir p-gnd hvp nc fg iv ph la g in reset hvm ul ll nc 21 22 23 33 34 35 46 45 47 10 9 11 nc cw / cc w g in ml v refout hup hum lpf hwm hwp s-gnd osc/c v rs
tb6585fg/ftg 2011-09-09 4 pin description pin no. tb6585fg TB6585FTG symbol description 1, 36 7 vm motor power supply pin (vm = 4.5 to 42 v) 2 8 fg rotation speed output pin (3 pulses per electrical degree) 3 9 hwm w-phase hall-signal input ( ?) 4 10 hwp w-phase hall signal input (+) 5 11 s-gnd signal ground 7 12 osc/c connection pin for a capa citor to control pwm oscillation 8 13 osc/r connection pin for a resist or to control pwm oscillation 9 15 vsp speed control input 10 22 tr time setting pin for the anti-lock system 12 24 cw/ccw rotation direction select input 13 25 reset reset pin for disabling the outputs 14 26 hvm v-phase hall-signal input ( ? ) 15 27 hvp v-phase hall-signal input (+) 16 28 hum u-phase hall-signal input ( ? ) 17 29 hup u-phase hall-signal input (+) 18, 19 30 v refout reference voltage output (v refout = 4.4 v (typ.), i refout = 20 ma (max)), connection pin for an oscilla tion prevention capacitor 20 31 ml restart operation select input for the anti-lock system 21 32 ll lower limit control for lead angle 22 33 ul upper limit control for lead angle 23 34 la lead angle select input (this input is us ed to determine the lead-angle under the automatic lead-angle control.) 24 35 iv voltage output converted from the output current 25 36 lpf connection pin for a filter capacitor 26 37 ph connection pin for a peak-hold capacitor 27 39 gout amplified shunt voltage 28 46 g in - connection pin for an amplifier resistor 29 48 g in + shunt voltage input 30 1 rs overcurrent protection input (disables outputs when rs ? 0.5 v) 31 2 p-gnd power ground 32 3 ir connection pin for an output shunt resistor 33 4 w w-phase output 34 5 v v-phase output 35 6 u u-phase output 6, 11 14, 16, 17, 18, 19, 20, 21, 23, 38, 40, 41, 42, 43, 44, 45, 47 n.c no-connect
tb6585fg/ftg 2011-09-09 5 i/o equivalent circuits some parts are omitted from the eq uivalent circuit diagrams or simp lified for the sake of simplicity. pin description symbol i/o signal internal circuit diagram position signal inputs hup hum hvp hvm hwp hwm analog hysteresis: ? 8 mv (typ.) speed control input v sp analog input range: 0 to v refout rotation direction select input l: clockwise (cw) h: counterclockwise (ccw) cw/ccw digital l: 0.8 v (max) h: 2.0 v (min) hysteresis: 200 mv (typ.) reset input l: drives a motor h: reset reset digital l: 0.8 v (max) h: 2.0 v (min) hysteresis: 200 mv (typ.) at reset: outputs are disabled; internal counter keeps running. lead angle control input 0 v: 0 3.0 v: 28 (5-bit ad converter) la when fixing the lead angle externally, connect ll to gnd and ul to v refout . also, apply a control voltage to the la pin. input range: 0 to 4.4 v (v refout ) when an input voltage of 3.0 v or higher is applied, the lead angle is clipped to a maximum of 28. the la pin should be left open when using the automatic-lead-angle control. at this time, the la pin can be used for determining the lead angle. v refout v refout v refout 150 k ? 100 ? v refout 100 ? cw/ccw 100 k ? v refout 100 ? reset 100 k ? v refout 200 k ? 100 ? 100 ? lower limit control input upper limit and automatic-lead- angle control input la
tb6585fg/ftg 2011-09-09 6 pin description symbol i/o signal internal circuit diagram gain control inputs (lead-angle controller) g in ? g in ? g out non-inverting amplifier 25db (max) g out output voltage low: gnd high: v refout ? 0.4 v peak-hold (lead-angle controller) ph this pin is connected to a peak-hold capacitor and a discharge resistor. 100 k ? /0.1 ? f low-pass filter (lead-angle controller) lpf this pin is connected to an rc filter (low-pass filter) capacitor. this pin has an internal resistor of 100 k ? (typ.). 0.1 ? f lead-angle lower-limit control ll the lead angle is clipped to the lower limit. ll ? 0 v to 4.4 v (v refout ) when ll ? ul, la is fixed to the value determined by ll. lead-angle upper-limit control ul the lead angle is clipped to the upper limit. ul ? 0 v to 4.4 v (v refout ) when ll ? ul, la is fixed to the value determined by ll. g in ? v refout g in ? g out to peak-hold circuitr y 100 ? 100 ? v refout 100 ? v refout v refout 100 ? 100 ? ph v refout 100 ? 100 ? lpf 100 ? v refout ll 100 ? v refout ul
tb6585fg/ftg 2011-09-09 7 pin description symbol i/o signal internal circuit diagram restart operation select input for the anti-lock system l: restart with power cycling h: automatic restart ml digital l: 0.8 v (max) h: 2.0 v (min) voltage output converted from output current iv analog iv = 0.5 v to 3.5 v ( ? 2 ma (max)) gain = 1.2 (typ.) current-limiting input rs analog digital filter: 1 ? s (typ.) the gate block protection is activated when rs reaches 0.5 v. (disabled every carrier cycle) u-phase, v-phase and w-phase outputs u v w motor drive output i out ? 1.2 a (typ.), 1.8 a (max) (tb6585fg) i out ? 0.8 a (typ.), 1.0 a (max) (TB6585FTG) 100 k ? 100 ? v refout v refout iv 10 k ? 60 k ? v refout 0.5 v 200 k ? 5 pf comparator rs v m ir u, v, w
tb6585fg/ftg 2011-09-09 8 absolute maximum ratings (t a = 25c) characteristics symbol rating unit power supply voltage vm 45 v input voltage v in 4.7 v tb6585fg 1.8 (note 1) output current i out TB6585FTG 1.0 (note 1) a 1.3 (note 2) power dissipation p d 3.2 (note 3) w operating temperature t opr ?30 to 85 storage temperature t stg ?55 to 150 c note 1: output current may be limited by the ambient temperature or a heatsink. the maximum junction temperature should not exceed t jmax = 150c. note 2: measured for the ic only. (t a = 25c) note 3: measured on a board. (100 mm ? 200 mm ? 1.6 mm, cu: 50%) operating ranges (t a = 25c) characteristics symbol min typ. max unit power supply voltage vm 4.5 24 42 v oscillation frequency bandwidth f osc 4 5 6 mhz
tb6585fg/ftg 2011-09-09 9 package power dissipation tb6585fg (1) rth (j-a): 96c/w (2) measured on a board (114 mm ? 75 mm ? 1.6 mm, cu: 20%) r th (j-a) = 65c/w (3) measured on a board (140 mm ? 70 mm ? 1.6 mm, cu: 50%) r th (j-a) = 39c/w TB6585FTG measured on a board (140 mm ? 70 mm ? 1.6 mm, cu: 50%) rth (j-a) = 38c/w ambient temperature t a (c) p d ? t a power dissipation p d (w) (2) (3) (1) 0 0 3.5 25 50 75 100 125 150 0.5 1 1.5 2 2.5 3 p d ? t a power dissipation (w) ambient temperature (c)
tb6585fg/ftg 2011-09-09 10 electrical characteristics (t a = 25c, vm = 24 v) characteristics symbol test conditions min typ. max unit power supply current i m pre-drive current ? control current, i refout = 0 ma ? 7 14 ma i in (1) v in = 4.4 v la ? 22 40 i in (2) v in = 4.4 v v sp ? 30 60 input current i in (3) v in = 4.4 v reset, ml, cw/ccw ? 44 80 ? a in-phase input voltage range v cmrh 1.5 ? 3.5 v input voltage swing v h 50 ? ? mvpp input hysteresis v hysh (note) ?4 ?8 ? 12 mv hall amplifier input current i inh v cmrh = 2.5 v, single phase ? 1 ? 1 ? a high 2.0 ? v refout + 0.2 v in low cw/ccw, reset, ml 0 ? 0.8 v in hys cw/ccw, reset, ml ? 0.2 ? v sp (4.4) modulated wave: max v refout - 0.2 ? v refout + 0.2 input voltage v sp (0.5) commutation off ? start motor operation 0.3 0.5 0.7 v i out = 1.2 a u, v, w ? 0.7 1.0 tb6585 fg i out = 1.6 a u, v, w ? 0.7 1.0 output on-resistance r on (h+l) tb6585 ftg i out = 0.8 a u, v, w ? 0.7 1.0 ? v refout output voltage v refout i refout = 20 ma v refout 4.0 4.4 4.8 v v fg (h) i out = 1 ma fg v refout - 1.0 v refout - 0.2 ? fg output voltage v fg (l) i out = ? 1 ma fg ? 0.2 1.0 v i l (h) v out = 0 v ? 0 1 output leakage current i l (l) v out = 24 v ? 0 1 ? a current detection v rs rs 0.46 0.5 0.54 v input delay t rs rs ? output off ? 2.0 ? ? s amp out g out output current, i out = 5 ma, g in+ = 0.2 v g in- , g out : gain = 12 (11 k ? /1 k ? ) 2.25 2.3 ? v gain-controlling amplifier for lead-angle controller amp ofs g in , g out 11 k ? /1 k ? ? ?40 ? mv ? l ll = 0.7 v ?20 ? 20 voltage error for lead-angle limit control ? u ul = 2.0 v ?30 ? 30 mv ph out (0 ma) ph output current, i out = 0 ma, g out = 2.4 v 2.35 2.4 2.45 ph output current for lead-angle controller ph out (5 ma) ph output current, i out = 5 ma, g out = 2.4 v ? 1.9 ? v t la (0) la = 0 v or open, hall in = 100 hz ? 0 ? t la (1.5) la = 2.5 v, hall in = 100 hz ? 15 ? lead angle correction t la (3) la = 5 v, hall in = 100 hz ? 29 ? ? tml(on) lock detection time, tr = 180 pf ? 500 ? tml (off) output off time when ml = high, tr = 180 pf ? 500 ? ms automatic restart from motor lock f tr oscillation frequency, tr = 180 pf 1.5 2.0 2.5 khz vm (h) output start point 3.8 4.0 4.2 vm (l) output stop point 3.3 3.5 3.7 vm power supply monitor v h hysteresis width ? 0.5 ? v ?
tb6585fg/ftg 2011-09-09 11 characteristics symbol test conditions min typ. max unit pwm frequency f c (5m) osc/c = 150 pf osc/r = 16 k ? 18 20 22 khz tsd (note) 150 165 180 thermal shutdown tsdhys thermal shutdown hysteresis ? 15 ? c note: product testing before shipment is not performed. functional description 1. basic operation at startup, the motor is driven by a square-wave commutation signal that is generated based on the position detection signal. when the position detection signal ex ceeds the rotational frequency of f = 2.5 hz, the rotor position is determined by the position detection sign al and the modulated wave signal is generated. then, the sine-wave pwm signal is generated by comparing th e modulated wave signal with the triangular wave signal to start a motor in pwm drive mode. startup to 2.5 hz: square-wave drive (120 commutation) f = fosc/(2 12 ? 32 ? 6) 2.5 hz or higher: sine-wave pwm drive (180 commutation) f ? 2.5 hz when f osc = 5 mhz 2. speed control input (vsp) (1) speed control input: 0 v ? v sp ? 0.5 v the motor-driving output is turn ed off. (motor is stopped.) (2) speed control input: v sp > 0.5 v when f osc = 5 mhz, the motor is driven by a square wave until f reaches 2.5 hz. then, the motor-driving signal is swit ched to a sine-wave signal. note: an amplitude of the modulated waveform becomes maximum when v sp = v refout . the pwm duty cycle that is obtained with the v sp voltage of v refout is defined as 100%. 3. carrier frequency setting the frequency of the triangular wave (carrier frequency) required for the pwm signal generation is fixed at the following value: f c = f osc /252 (hz), where f osc = reference clock frequency (rc oscillator frequency) example: when f osc = 5 mhz, f c = 19.8 khz 4. lead angle correction the lead angle of the motor driving signal generated in accordance with the induced voltage (hall signal) is corrected by an angle between 0 and 30. the lead angle control can be achieved by directly appl ying a voltage to the pa pin, or by using the motor current. modulated waveform triangular wave (carrier) gnd v refout 100% v refout v sp pwm duty cycle 0.5 v 0 v (1) (2)
tb6585fg/ftg 2011-09-09 12 step la (v) lead angle () step la (v) lead angle () 1 0.00 0.00 17 1.50 15 2 0.09 0.94 18 1.59 15.94 3 0.19 1.88 19 1.69 16.88 4 0.28 2.81 20 1.78 17.81 5 0.38 3.75 21 1.88 18.75 6 0.47 4.69 22 1.97 19.69 7 0.56 5.63 23 2.06 20.63 8 0.66 6.56 24 2.16 21.56 9 0.75 7.5 25 2.25 22.50 10 0.84 8.44 26 2.34 23.44 11 0.94 9.38 27 2.44 24.38 12 1.03 10.31 28 2.53 25.31 13 1.13 11.25 29 2.63 26.25 14 1.22 12.19 30 2.72 27.19 15 1.31 13.13 31 2.81 28.13 16 1.41 14.06 32 2.91 29.06 automatic-lead-angle controller 5-bit ad converter modulated wave generator g in ? la la = 0 v lead angle 0.94 lead angle 0 la = 90 mv (typ.) 0 0 0.35 0.7 1.05 1.4 1.75 2.1 2.45 2.8 3.15 5 10 15 20 25 30 la (v) lead angle () la (v) vs. lead angle () characteristics
tb6585fg/ftg 2011-09-09 13 *: gain = (r 1 + r 2 ) /r 1 , r 3 = 100 k ? , c 1 = 0.1 f 5. position detection (hall effect input) the in-phase input voltage range, v cmrh, is from 1.5 to 3.5 v. the input hysteresis, v h, is 8 mv (typ.). * : the hall amplifier can operate when v s is at least 50mvpp. however, to stabilize the time interval between zero-cross points of each phase signal, that is, the 60- electrical-degree interval, the amplitude should be as high as possible. (vs is recommended to be 200 mvpp or higher.) 6. rotation pulse output (fg output) this pin generates a rotation pu lse (3 pulses/electrical degree). example: with an eight-pole motor, 12 pul ses are generated per revolution. (12 ppr) 7. reverse rotation detection the direction of the motor rotation is detected . the drive mode is then selected between 120 ? commutation and 180 ? commutation modes. the detection is performed at every electrical degree of 360 ?. cw/ccw pin actual rotation direct ion of the motor commutation mode cw (clockwise) 180 commutation low (cw) ccw (counterclockwise) 120 commutation cw (clockwise) 120 commutation high (ccw) ccw (counterclockwise) 180 commutation note: when the hall signal frequency is be low 2.5 hz, the tb6585fg/ftg is put in 120 ? commutation mode even when 180 commutation mode is selected. gain ? v rf (peak) rf motor current amp . v rf r 2 r1 peak hold 5-bit a/d converter gain ? v rf lead- angle value r 3 c 1 la pin iv pin v rf v [v] t [s] lead-angle value gain ? v rf gain ? v rf (peak) v h hum hup v s ? 50 mv v s v h = 8 mv (typ.) v h
tb6585fg/ftg 2011-09-09 14 8. various protections (1) overcurrent protection (rs pin) when a dc link current exceeds the internal referenc e voltage, output transist ors are turned off. the tb6585fg/ftg exits overcurrent protection mode ever y carrier cycle. reference voltage = 0.5 v (typ.) (2) external reset (reset pin) output transistors are turned off when reset is high; they are turn ed on again when reset is low or open. the reset pin is activated if any abnormality is detected externally. (3) internal protections ? position detection fault protection when the position detection signals are all set to high or low, output tran sistors are turned off. otherwise, the motor is restarted every carrier cycle. ? anti-lock capability when the operation mode is not properly switched as configured from 120 ? commutation mode of startup operation to 180 commutation mode, the motor is deemed to be locked and output transistors are turned off. the re start operation can be selected fr om either the automatic restart or the power cycling. ? setting the time of motor-lock detection and the time while the motor is stationary ? the time required for the motor-lock detection and the time while the motor driving signal is inactive can be adjusted by the external capacitor c 1 . (these periods are set to be the same.) time setting ??? ? ? s1024 i v c t th1 i = 0.72 a, v th = 2 v example: when c 1 = 180 pf, t ? 500 ms (typ.). ? automatic restart (ml = high) ? when the hall signal frequency is kept below 2.5 hz for at least 500 ms (typ.), the tb6585fg/ftg becomes active and inactive periodically every 500 ms (typ.). the protection is disabled when the hall signal fr equency reaches 2.5 hz and the op eration mode is switched to 180 commutation mode. ? restart with power cycling (ml = open or low) ? when the hall signal frequency is kept below 2.5 hz for at least 500 ms (typ.), output transistors are disabled. the tb6585fg/ftg can be restarted by turning off and back on the vm power supply, which must be kept below 3.5 v (typ.). the tb6585fg/ftg can also be restarted by turning off and back on vsp, which must be kept below 1 v (typ.). ml ? high motor-lock detection (if hall signal frequency continues to be below 2.5 hz) hall u hall v hall w restart operation selector ml automatic restart ? protection is automatically disabled using the pulse counter pulse counter (10 bits) restart with power cycling ? protection is disabled by turning off and back on the v m power supply or v sp ml ? low tr drive output controller c 1
tb6585fg/ftg 2011-09-09 15 ? undervoltage protection (vm power supply monitoring) when the vm power supply is turned on or off, commutation signal outputs are disabled while vm is outside the operating voltage range. operation flow output: of f commutation signal power supply voltage 4.0 v (typ.) 3.5 v (typ.) gnd v m v m output: off output: on sine waveform (modulated signal) triangular wave (carrier frequency) position detector counter system clock generator phase alignment position signal (hall sensor) speed control (v sp ) comparator phase w phase v phase u u-phase out p ut output power transistors (p-channel+ n-channel) cr oscillation v-phase out p ut w-phase out p ut
tb6585fg/ftg 2011-09-09 16 ? sine-wave pwm signal generation ? the modulated waveform is generated using the hall signals. the sine-wave pwm signal is then generated by comparing the modulated waveform with the triangular wave. the time between the rising edges (falling edges) and the immediately-following falling edges (rising edges) of any of the three hall signals (inter val of 60 electrical degrees) are calculated by the counter. this period is used for data generation of the next 60-electrical-degree interval. the modulated waveform of 60-electrical-degree interval consists of 32 data items. the time period for a single data item is 1/32 of the pr evious 60-electrical-degree interval. the modulated waveform advances by this period. (operating waveforms when cw/ccw = low) as illustrated above, the modulated waveform ) (1)?advanc es by 1/32 of the period between the rising edge ( ) of hu and the falling edge ( ) of hw. likewise, th e modulated waveform (2)? advances by 1/32 of the period between the falling edge ( ) of hw and the rising edge ( ) of hv. if the next edge does not occur even after comple ting the generation of 32 data, data for the next 60-electrical-degree in terval are generated based on the same time period until the next edge occurs. also, the phase alignment with th e modulated waveform is performe d at every zero-cross point. the modulated waveform is reset by being synchronized with the rising and falling edges of the position detection signal at every 60 electrical degrees. ther efore, the modulated waveform becomes discontinuous sw hup hvp hwp s u s v (5) (2) (6) (1) (3) (6) (1) (2) (3) *: though the hup, hvp and hwp pins are hall effect inputs, they are indicated as square waveforms for the sake of simplicity. * t s v (1)? 1 2 3 4 5 6 30 31 32 32 data * t * t ? t (1) ? 1/32
tb6585fg/ftg 2011-09-09 17 at every reset if there occurs a zero-cross point error of the hall signal, or when motor is being accelerated or decelerated. also, the phase alignment with th e modulated waveform is perfor med at every zero-cross point. the modulated waveform is reset by being synchronized with the rising and falling edges of the position detection signal (hall amplifier outp ut) at every 60 electrical degrees. therefore, if the next zero-cross point occurs before completing the generation of 32 data for 60-electrical-degree inte rval due to the zero-cross point error of the position detection signal, the current data is reset and the data generation for the next 60-electrical-degree inte rval is then started. in such cases, the modulated waveform is discontinuous at every reset. ha hb hc (2) (1) s b (1)? 1 2 3 4 28 29 30 31 1 3 2 reset
tb6585fg/ftg 2011-09-09 18 note: the above u-phase waveform shows the behavior of the u-phase output signal when a resistor is connected between the u and vm pins and also between the u pin and ground to obtain . likewise, resistors are connected to the v and w pins. indicates the high-impedance state. output waveform phase u phase v phase w pwm signal generation (inside the ic) gnd gnd gnd v sp input voltage carrier frequency vm vm vm 2 vm 2 vm 2 vm v uv modulated wave carrier frequency phase u (inside the ic) v refout (typ.) gnd phase u vm gnd vm gnd phase v vm gnd phase w (v u ? v v ) line voltage output waveform 2 vm 2 vm
tb6585fg/ftg 2011-09-09 19 timing chart of the clockwise rotation (cw/ccw = low, la = gnd) *: the lead-angle correction is performed in accordance with the la input when the hall signal frequency is 2.5 hz or higher. the timing chart may be simplified for the sake of brevity. 0 < hall signal frequency < 2.5 hz (120 commutation: inside the ic) wl ul vl vh wh uh fg hwm hvp hwp hup hvm hum (hall signal input for clockwise rotation) 2.5 hz < hall signal frequency (180 commutation: modulated wave inside the ic) s u s v s w fg
tb6585fg/ftg 2011-09-09 20 timing chart of the clockwise rotation (cw/ccw = low, la = gnd) *: if the hall signal for counterclockwise rotation is applied when cw/ccw = low, the motor is driven by the 120 ? commutation signal with a lead angle of 0. (reverse rota tion by the wind) the timing chart may be simplified for the sake of brevity. wl fg ul vl vh wh uh hwm hvp hwp hup hvm hum (hall signal input for counterclockwise rotation) reverse rotation detection (120 commutation: inside the ic)
tb6585fg/ftg 2011-09-09 21 timing chart of the c ounterclockwise rotation (cw/ccw = high, la = gnd) *: the lead-angle correction is performed in accordance with the la input when the hall signal frequency is 2.5 hz or higher. the timing chart may be simplified for the sake of brevity. wl fg ul vl vh wh uh hwm hvp hwp hup hvm hum 0 < hall signal frequency < 5 hz (120 commutation: inside the ic) (hall signal input for counterclockwise rotation) 5 hz < hall signal frequency (180 commutation: modulated wave inside the ic) s u s v s w fg
tb6585fg/ftg 2011-09-09 22 wl fg ul vl vh wh uh hwm hvp hwp hup hvm hum reverse rotation detection (120 commutation: inside the ic) (hall signal input for clockwise rotation) timing chart of the c ounterclockwise rotation (cw/ccw = high, la = gnd) *: if the hall signal for clockwise rotation is appli ed when cw/ccw = high, the motor is driven by the 120 ? commutation signal with a lead angle of 0. (reverse rota tion by the wind) the timing chart may be simplified for the sake of brevity.
tb6585fg/ftg 2011-09-09 23 block diagram tb6585fg osc/r 31 29 7 8 15 14 4 (note 1) v refout system clock generator sine-wave generator 28 27 26 23 22 21 ph lpf upper limit lower limit 10 charge pump s-gnd p-gnd 34 33 32 u v w tsd (165c) 24 4.4-v power supply 35 vm = 4.5 to 42 22 ? f g in+ g in- g out ph lpf iv la ul ll 100 k ? 10 k ? 100 k ? 0.1 f 0.1 f v refout v refout predetermined number lock protection 20 ml ir 30 rs 25 5, fin 18, 19 hwm hwp hvm osc/c hup hum hvp 29 pin (note 3) 3 17 16 v refout (note 1) 0.001 ? f tr 1, 36 s-gnd 180 pf 0.47 ? f 150 pf 16 k ? vm (note 2) 12 13 2 vsp cw/ccw reset fg 3 ppr 9 mcu
tb6585fg/ftg 2011-09-09 24 TB6585FTG note: tb6585fg/ftg note 1: an oscillation prevention capacitor should be connected to the v refout pin at a location as close to the tb6585fg/ftg as possible. if the package?s thermal performance is not enough for t he application, a load must not be connected to the v refout output; instead, a voltage of 4.4 v must be applied externally to it. note 2: an oscillation prevention capacitor should be connected to the vm pin at a location as close to the tb6585fg/ftg as possible. note 3: if there is a significant noise, an rc filt er (low-pass filter) should be connected. note: a large current or voltage might be abruptly applied to the ic and peripherals in case of a short-circuit across outputs, a short-circuit to power supply or a short-circui t to ground. this possibility should be fully considered in the design of the output, vm, ir and ground lines. also , care should be taken not to install the ic in the wrong orientation. otherwise, ic may be broken. note: the constants of loads that are connected externally to the ic shown in the above diagram are used as initial values to determine whether the app lication operates properly. the capacitor values that are connected to vm, v refout, and between positive and negative inputs of hall elements must be determined experimentally. 30 osc/r 2 48 12 13 27 26 10 24 25 8 vsp cw/ccw reset fg note 1 v refout system clock generator sine-wave generator 46 39 37 34 33 32 ph lpf upper limit lower limit 22 charge pump s-gnd p-gnd 5 4 3 u v w tsd (165c) 3 ppr 35 4.4-v power supply 6 vm = 4.5~42 v 22 f g in ? g in ? g out ph lpf iv la ul ll (100 k ?? 10 k ? 100 k ? 0.1 f 0.1 f v refout v refout predetermined number lock p rotection 31 ml ir 1 rs 36 15 11, fin hwm hwp hvm osc/c hup hum hvp 48 pin 9 29 28 v refout note1 0.001 f tr s-gnd 180 pf 0.47 ? f 150 pf 16 k ? vm note 2 note 3 7
tb6585fg/ftg 2011-09-09 25 package dimensions tb6585fg weight: 0.79 g (typ.)
tb6585fg/ftg 2011-09-09 26 TB6585FTG weight: 0.137 g (typ.)
tb6585fg/ftg 2011-09-09 27 notes on contents 1. block diagrams some of the functional blocks, circ uits, or constants in the block diagram may be omitted or simplified for explanatory purposes. 2. equivalent circuits the equivalent circuit diagrams may be simplified or some parts of them may be omitted for explanatory purposes. 3. timing charts timing charts may be simplified for explanatory purposes. 4. application circuits the application circuits shown in this document ar e provided for reference purposes only. thorough evaluation is required, especially at the mass production design stage. toshiba does not grant any license to any industrial property rights by prov iding these examples of application circuits. 5. test circuits components in the test circuits are used only to obtain and confirm the devi ce characteristics. these components and circuits are not guaranteed to prev ent malfunction or failure from occurring in the application equipment. ic usage considerations notes on handling of ics (1) the absolute maximum ratings of a semiconductor device are a set of ratings that must not be exceeded, even for a moment. do not exceed any of these ratings. exceeding the rating(s) may cause the device breakdown, damage or deterioration, and may result injury by explosion or combustion. (2) use an appropriate power supply fuse to ensure that a large current does not continuously flow in case of over current and/or ic failure. the ic will fully break down when used under conditions that exceed its absolute maximum ratings, when the wiring is routed improperly or when an abnormal pulse noise occurs from the wiring or load, causing a large cu rrent to continuously flow and the breakdown can lead smoke or ignition. to minimize the effects of the flow of a large current in case of breakdown, appropriate settings, such as fuse capacity, fusing time and insertion circuit location, are required. (3) if your design includes an inductive load such as a motor coil, incorporate a protection circuit into the design to prevent device malfunction or breakdown caused by the current re sulting from the inrush current at power on or the negative current result ing from the back electromotive force at power off. ic breakdown may cause injury, smoke or ignition. use a stable power supply with ics with built-in protec tion functions. if the power supply is unstable, the protection function may not operate, causing ic breakdown. ic breakdown may cause injury, smoke or ignition. (4) do not insert devices in the wrong orientation or incorrectly. make sure that the positive and negative terminals of power supplies are connected properly. otherwise, the current or power consumption may exceed the absolute maximum rating, and exceeding the rating(s) may cause the device breakdown, damage or deterioration, and may result injury by explosion or combustion. in addition, do not use any device that is applied th e current with inserting in the wrong orientation or incorrectly even just one time.
tb6585fg/ftg 2011-09-09 28 points to remember on handling of ics (1) over current protection circuit over current protection circuits (referred to as current limiter circuits) do not necessarily protect ics under all circumstances. if the ov er current protection circuits oper ate against the over current, clear the over current st atus immediately. depending on the method of use and usage condit ions, such as exceeding absolute maximum ratings can cause the over current protection circuit to not operate properly or ic breakdown before operation. in addition, depending on the method of use and usage conditions, if ov er current continues to flow for a long time after operation, the ic may generate heat resulting in breakdown. (2) thermal shutdown circuit thermal shutdown circuits do not necessarily prot ect ics under all circumst ances. if the thermal shutdown circuits operate against th e over temperature, clear the heat generation status immediately. depending on the method of use and usage condit ions, such as exceeding absolute maximum ratings can cause the thermal shutdown circuit to not oper ate properly or ic breakdown before operation. (3) heat radiation design in using an ic with large current flow such as power amp, regulator or driver, please design the device so that heat is appropriately radiated, not to exc eed the specified junction temperature (tj) at any time and condition. these ics generate heat even du ring normal use. an inadequate ic heat radiation design can lead to decrease in ic life, deterioration of ic characteristics or ic breakdown. in addition, please design the device taking into considerate the effect of ic heat radiation with peripheral components. (4) back-emf when a motor rotates in the reverse direction, stops or slows down abruptly, a current flow back to the motor?s power supply due to the effect of back-emf. if the current sink capability of the power supply is small, the device?s motor power supply and outp ut pins might be exposed to conditions beyond maximum ratings. to avoid this problem, take the effect of back-emf into consideration in system design.
tb6585fg/ftg 2011-09-09 29 restrictions on product use ? toshiba corporation, and its subsidiaries and affiliates (collect ively ?toshiba?), reserve the right to make changes to the in formation in this document, and related hardware, software a nd systems (collectively ?product?) without notice. ? this document and any information herein may not be reproduc ed without prior written permission from toshiba. even with toshiba?s written permission, reproduction is permissible only if reproduction is without alteration/omission. ? though toshiba works continually to improve product?s quality a nd reliability, product can malfunction or fail. customers are responsible for complying with safety standards and for prov iding adequate designs and safeguards for their hardware, software and systems which minimize risk and avoid sit uations in which a malfunction or failure of product could cause loss of human life, b odily injury or damage to property, including data loss or corruption. before customers use the product, create designs including the product, or incorporate the product into their own applications, customers mu st also refer to and comply with (a) the latest versions of all relevant toshiba information, including without limitation, this document, the specificati ons, the data sheets and application notes for product and the precautions and conditions set forth in the ?toshiba semiconduc tor reliability handbook? and (b) the instructio ns for the application with which the product will be used with or for. customers are solely responsible for all aspects of their own product design or applications, including but not lim ited to (a) determining the appropriateness of the use of this product in such des ign or applications; (b) evaluating and dete rmining the applicability of any information contained in this document, or in charts, dia grams, programs, algorithms, sample application circuits, or any other referenced document s; and (c) validating all operating paramete rs for such designs and applications. toshiba assumes no liability for customers? product design or applications. ? product is intended for use in general el ectronics applications (e.g., computers, personal equipment, office equipment, measur ing equipment, industrial robots and home electroni cs appliances) or for specif ic applications as expre ssly stated in this document . product is neither intended nor warranted for use in equipment or systems that require extraordinarily high levels of quality a nd/or reliability and/or a malfunction or failure of which may cause loss of human life, bodily injury, serious property damage or se rious public impact (?unintended use?). unintended use includes, without limit ation, equipment used in nuclear facilities, equipment used in the aerospace industry, medical equipment, equi pment used for automobiles, trains, ships and other transportation, traffic signalin g equipment, equipment used to control combustions or explosions, safety dev ices, elevators and escalato rs, devices related to el ectric power, and equipment used in finance-related fi elds. do not use product for unintended us e unless specifically permitted in thi s document. ? do not disassemble, analyze, reverse-engineer, alter, modify, translate or copy product, whether in whole or in part. ? product shall not be used for or incorporated into any products or systems whose manufacture, use, or sale is prohibited under any applicable laws or regulations. ? the information contained herein is pres ented only as guidance for product use. no re sponsibility is assumed by toshiba for an y infringement of patents or any other intellectual property rights of third parties that may result from the use of product. no license to any intellectual property right is granted by this document, whether express or implied, by estoppel or otherwise. ? a bsent a written signed agreement, except as provid ed in the relevant terms and conditions of sale for product, and to the maximum extent allowable by law, toshiba (1) assumes no liability whatsoever, including without limitation, indirect, co nsequential, special, or incidental damages or loss, including without limitation, loss of profit s, loss of opportunities, business interruption and loss of data, and (2) disclaims any and all express or implied warranties and conditions related to sale, use of product, or information, including warranties or conditions of merchantability, fitness for a particular purpose, accuracy of information, or noninfringement. ? do not use or otherwise make available product or related so ftware or technology for any m ilitary purposes, including without limitation, for the design, development, use, stockpiling or manufacturing of nuclear, chemical, or biological weapons or missile technolog y products (mass destruction weapons). product and related softwa re and technology may be controlled under the japanese foreign exchange and foreign trade law and the u.s. export administration regulations. export and re-export of product or related softw are or technology are strictly prohibited except in comp liance with all applicable export laws and regulations. ? please contact your toshiba sales representative for details as to environmental matters such as the rohs compatibility of pro duct. please use product in compliance with all applicable laws and regula tions that regulate the inclusion or use of controlled subs tances, including without limitation, the eu rohs directive. toshiba assumes no liability for damages or losses occurring as a result o f noncompliance with applicable laws and regulations.

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