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product structure silicon monolithic integrated circuit this product has no designed protection against radioactive rays 1/ 14 tsz02201 - 0h3h0b300430 - 1 - 2 ? 20 1 2 rohm co., ltd. all rights reserved. 09.dec.2015 rev.002 www.rohm. com tsz22111 ? 14 ? 001 h - bridge drivers for dc brush motors single h - bridge driver high - speed switching t ype bd65491f v general description the bd6 5491f v provides a single h - bridge motor driver which features wide range of motor power supply voltage from 1 . 8 v to 16.0v and low power consumption to switch low on - resistance dmos transistors at high speed . this small surface mounting package is most suitable for mobile system, home appliance and various applications . features ? low on - resistance power dmos o utpu t ? charge pump - l ess w ith p d mos high - side driver ? selective switching speed : 4 mode s ? d rive m ode switch f unction ? control input voltage range fit 1.8v controller ? u nder voltage lock ed out p rotection & thermal shut down function applications ? m obile s ystem ? home a ppliance ? amusement s ystem , et c key specification s ? power s upply v oltage r ange : 2.5v to 5.5v ? motor p ower s upply v oltage r ange: 1.8v to 16.0v ? circuit c urrent (open mode) : 0.80 m a(typ ) ? stand -by c urrent : 1 a ( max ) ? control i npu t v oltage r ange : 0 v to v cc v ? logic i nput f requency : 500khz(max ) ? minimum l ogic i nput p ulse w idth : 0.2 s(min ) ? turn o n t ime (tr1=tr2= low ): 150ns(typ ) ? turn o ff t ime (tr1=tr2= low ): 50ns(typ ) ? h - bridge o utput c urrent (dc) : - 1.2 a to + 1.2a ? h -bri dge o utput c urrent (peak 2 ): - 4.0 a to + 4.0a ? output on - resistance (total) : 0.35 (typ ) ? operating t emperature r ange : -30c to +85 c package w(typ) x d(typ) x h(max) ssop - b16 5.00mm x 6.40mm x 1.35mm typical application circuit ssop - b16 ps vcc 1 f to 100f outa outb vm gnd tr1 tr2 bandgap tsd & uvlo 16 13 4 14 15 power save pgnd level shift & pre driver ina inb 1 2 pwm 3 logic power - s aving h: active l: stand - by motor control i npu t selective drive mode h : en/in l : in/in bypass filter c apacitor for power supply bypass filter c apacitor for power supply h - bridge full on selectable switching speed 1 f to 100f 11 7 10 12 9 5 6 8 datashee t datashee t
2 / 14 BD65491FV tsz02201 - 0h3h0b300430 - 1 - 2 ? 20 12 rohm co., ltd. all rights reserved. 09.dec.2015 rev.002 www.rohm. com tsz22111 15 001 pin configuration pin descriptio n block diagra m pin no. pin name function pin no. pin name function 1 ina control logic input a 9 pgnd motor ground 2 inb control logic input b 10 outa h - bridge output a 3 pwm d rive mode logic input 11 outa h - bridge output a 4 tr1 t urn on & off t ime logic input 1 12 vm motor power supply 5 vm motor power supply 13 ps power - saving function 6 outb h - bridge output b 14 tr2 turn on & off time logic input 2 7 outb h - bridge output b 15 vcc power s upply 8 pgnd motor ground 16 gnd g round the pins of the same name, such as vm, pgnd, outa and outb, must be shorted on printed circuit boards . ina inb pwm tr1 vm outb outb pg nd gnd vcc tr2 vm outa outa pgnd ps 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 ( top view ) ps vcc outa outb vm gnd tr1 tr2 bandgap tsd & uvlo 16 13 4 14 15 power save pgnd level shift & pre driver ina inb 1 2 pwm 3 logic h - bridge full on 11 7 10 12 9 5 6 8 3 / 14 BD65491FV tsz02201 - 0h3h0b300430 - 1 - 2 ? 20 12 rohm co., ltd. all rights reserved. 09.dec.2015 rev.002 www.rohm. com tsz22111 15 001 description of blocks 1. power - saving f unction a power - saving function is included, which allows the system to save power when not driving the motor . the voltage level on this pin should be set high so as to keep the operation mode . (see the electrical characteristics; p.4 / 14) 2. motor control i nput (a) ina and inb p ins l ogic level control s the output logic of h - bridge. ( s ee the electrical characteristics; p .4 /1 4, and i/o truth table; p .7 /1 4 ) (b) pwm p in logic level set s the in/in or en/in drive mode. (see the electrical characteristics; p. 4 /1 4 and i/o truth table; p. 7 /1 4 ) (c) tr1 and tr2 p ins logic level sets the switching speed of h - bridge transistors , turn on time and turn off time . ( see th e electrical characteristics; p. 4 /1 4 and i/o truth table; p. 7 /1 4 ) absolute maximum ratings (ta=25 c ) parameter symbol rating unit power supply v oltage v cc - 0. 3 to +7.0 v motor power supply v oltage v m - 0. 3 to +20.0 v control input v oltage v in - 0. 3 to + v cc + 0. 3 v power d issipation pd 0.87 (note 1) w h - bridge output c urrent (dc) i out - 1.2 to + 1.2 (note 2) a h - bridge output current (peak 1 (note 3) ) i outp1 - 3.2 to + 3.2 (note 2) h - bridge output current (peak 2 (note 4) ) i outp2 - 4.0 to + 4.0 (note 2) stora ge temperature r ange tstg - 55 to +150 c junction t emperature t jmax 150 c (note 1) reduced by 6.96mw/ c over 25 c , when mounted on a glass epoxy board (70mm x 70mm x 1.6mm) (note 2 ) must not exceed pd, aso, or tjmax of 150 c . (note 3 ) peak 1 =100ms (duty ? 20%) (note 4 ) peak 2 =10ms (duty ? 5%) caution : operating the ic over the absolute maximum ratings may damage the ic. the damage can either be a short circuit between pins o r an open circuit between pins and the internal circuitry. therefore, it is important to consider circuit protection measures, such as adding a fuse, in case the ic is operated over the absolute maximum ratings . recommended operating conditions parameter symbol min typ max unit power supply voltage v cc 2.5 - 5.5 v motor power supply vo ltage v m 1.8 - 16.0 v control input voltage v in 0 - v cc v logic input frequency f in 0 - 500 khz minimum logic input pulse width ( note 5 ) t in 0.2 - - s operating temperature range t opr - 30 - +85 c (note 5) tr1=tr2= lo w 4 / 14 BD65491FV tsz02201 - 0h3h0b300430 - 1 - 2 ? 20 12 rohm co., ltd. all rights reserved. 09.dec.2015 rev.002 www.rohm. com tsz22111 15 001 electrical characteristics ( unless otherwise specified v cc = 3 .0v , v m =5.0v , ta=25 c ) parameter symbol min typ max unit conditions all circuits stand - by current i ccst - 0 1 a v ps =0v circuit current 1 i cc1 0.50 0.80 1.25 m a v ps =3v, open mode circuit current 2 i cc2 0.50 0.85 1.30 m a v ps =3v, cw & ccw mode circuit current 3 i cc3 0.50 0.85 1.30 m a v ps =3v, short brake mode ps input (ps) high - level input voltage v psh 1.45 - v cc v low - level input voltage v psl 0 - 0.5 v high - level input current i psh 15 30 60 a v ps =3v low - level input current i psl - 1 0 + 1 a v ps =0v control input (in=ina, inb, pwm, tr1, tr2) high - level input voltage v inh 1.45 - v cc v low - level input voltage v inl 0 - 0.5 v high - level input current i inh 15 30 60 a v in =3v low - level input c urrent i inl - 1 0 + 1 a v in =0v under voltage locked out (uvlo) uvlo voltage v uvlo 2.0 - 2.4 v full on type h - bridge driver output o n - resistance r on - 0.35 0.50 i out = 500ma, high & low - side total turn on time 0 t on0 - 150 300 ns 20 loading , tr1=lo w , tr2=lo w turn off time 0 t off0 - 50 200 ns 20 loading , tr1=lo w , tr2=lo w turn on time 1 t on1 - 250 500 ns 20 loading , tr1=hi gh , tr2=lo w turn off time 1 t off1 - 70 200 ns 20 loading , tr1=hi gh , tr2=lo w turn on time 2 t on2 - 350 800 ns 20 loading , tr1= lo w , tr2=hi gh turn off time 2 t off2 - 90 250 ns 20 loading , tr1=lo w , tr2=hi gh turn on time 3 t on3 - 500 1000 ns 20 loading , tr1=hi gh , tr2=hi gh turn off time 3 t off3 - 110 250 ns 20 loading , tr1=hi gh , tr2=hi gh 5 / 14 BD65491FV tsz02201 - 0h3h0b300430 - 1 - 2 ? 20 12 rohm co., ltd. all rights reserved. 09.dec.2015 rev.002 www.rohm. com tsz22111 15 001 typical performance curves (referenc e data) figure 1 . circuit current vs power supply voltage (stand - by mode) figure 2 . circuit current vs power supply voltage (open mode) figure 3 . output vds vs output current ( output o n - resistance on high - side , v m =5v, v cc =3v >' figure 4 . output vds vs output current >& output o n - resistance on low - side , v m =5v, v cc =3v ) top 85 c mid 25 c low - 30 c operating range (2.5v to 5.5v) top 85 c mid 25 c low - 30 c operating range (2.5v to 5.5 v) top 85 c mid 25 c low - 30 c top 85 c mid 25 c low - 30 c 0.0 1.0 2.0 3.0 0 1 2 3 4 5 6 7 power supply voltage : v cc [v] circuit current : i cc [ma] 0 50 100 150 200 250 300 0 200 400 600 800 1000 1200 output current : i out [ma] output vd s : v dsh [mv] 0.0 1.0 2.0 3.0 4.0 5.0 0 1 2 3 4 5 6 7 power supply voltage : v cc [v] circuit current : i cc [a] 0 50 100 150 200 250 300 0 200 400 600 800 1000 1200 output current : i out [ma] output vd s : v dsl [mv] 6 / 14 BD65491FV tsz02201 - 0h3h0b300430 - 1 - 2 ? 20 12 rohm co., ltd. all rights reserved. 09.dec.2015 rev.002 www.rohm. com tsz22111 15 001 typical performance curves ( reference data) - continued figure 5. output on - resistance vs motor power supply voltag e ( o utput on - resistance on high - side v m dependency , v cc =3v ) figure 6. output on - resis tance vs motor power supply voltag e ( output on - resistance on low - side v m dependency , v cc =3v ) top 85 c mid 25 c low - 30 c operating range (1.8v to 16 .0 v) top 85 c mid 25 c low - 30 c operating range (1 . 8v to 16 .0 v) 0.0 0.2 0.4 0.6 0.8 1.0 0 5 10 15 20 motor power supply voltage : v m [v] output on resistance : r on > @ 0.0 0.1 0.2 0.3 0.4 0.5 0 5 10 15 20 motor power supply voltage : v m [v] output on resistance : r on > @ 7 / 14 BD65491FV tsz02201 - 0h3h0b300430 - 1 - 2 ? 20 12 rohm co., ltd. all rights reserved. 09.dec.2015 rev.002 www.rohm. com tsz22111 15 001 timing chart table 1 . i/o truth table input mode input output ps ( note 6 ) pwm ina in b outa outb output mode ( note 7 ) en/in h h l x l l short brake h l h l cw h h l h ccw in/in l l l z z open h l h l cw l h l h ccw h h l l short brake - l x x x z z open l: low, h: high, x: don ? t care, z: hi gh - i mpedance (note 6 ) ps= hi gh : operation mode, ps= low : stand - by mode (note 7 ) cw : c urrent flow s from outa to outb, ccw : c urrent flow s from outb to outa table 2 . switching speed control table tr1 tr2 turn on time [ns] turn off time [ns] l l 150 50 h l 250 70 l h 350 90 h h 500 1 10 l: low, h: high 1.0v 50% - 50% 1.45v 0.5v 100% 0% - 100% t on t off 50% - 50% motor current control input t o n t off t in t in figure 7 . input - output ac c haracter istic 8 / 14 BD65491FV tsz02201 - 0h3h0b300430 - 1 - 2 ? 20 12 rohm co., ltd. all rights reserved. 09.dec.2015 rev.002 www.rohm. com tsz22111 15 001 application example selection of components externally connected when using the circuit with changes to the external circuit constants, make sure to leave an adequate margin for external comp onents including static and transitional characteristics as well as dispersion of the ic. ps vcc 1 f to 100f outa outb vm gnd tr1 tr2 bandgap tsd & uvlo 16 13 4 14 15 power save pgnd level shift & pre driver ina inb 1 2 pwm 3 logic power - saving h: activ e l: stand - by motor control input selective drive mode h : en/in l : in/in bypass filter capacitor for power supply bypass filter capacitor for power supply h - bridge full on selectable switching speed 1 f to 100f 11 7 10 12 9 5 6 8 9 / 14 BD65491FV tsz02201 - 0h3h0b300430 - 1 - 2 ? 20 12 rohm co., ltd. all rights reserved. 09.dec.2015 rev.002 www.rohm. com tsz22111 15 001 power dissipation figure 8. power dissipation vs ambient temperature i/o equivalence c ircuit s ps ina, inb, pwm, tr1, tr2 vm, pgnd, outa, outb outa pgnd vm outb 100k 10k 300k 75k 0. 87 w 0. 45w 85 c 0.0 0.2 0.4 0.6 0.8 1.0 0 25 50 75 100 125 150 ambient temperature : ta [c] power dissipation : pd [w] 10 / 14 BD65491FV tsz02201 - 0h3h0b300430 - 1 - 2 ? 20 12 rohm co., ltd. all rights reserved. 09.dec.2015 rev.002 www.rohm. com tsz22111 15 001 operational notes 1. reverse c onnection of p ower s upply connecting the power supply in reverse polarity can damage the ic. take pr ecautions against reverse polarity when connecting the power supply , such as mounting an ex ternal diode between the power supply and the ic ? s power supply pin s. 2. power s upply l ines design the pcb layout pattern to provide low impedance supply lines. s eparate the ground and supply lines of the digital and analog blocks to prevent noise in the gro und and supply lines of the digital block from affecting the analog block . furthermore, connect a capacitor to ground at all power supply pins . consider the effect of temperature and aging on the capacitance value when using electrolytic capacitors. 3. g roun d voltage ensure that no pins are at a voltage below that of the ground pin at any time, even during transient condition. 4. g round w iring p attern when using both small - signal (gnd) and large - current ground (pgnd) traces, the two ground traces should be routed separately but connected to a single ground at the reference point of the application board to avoid fluctuations in the small - signal ground caused by large currents. also ensure that the ground traces of external components do not cause variations on the ground voltage. the ground lines must be as short and thick as possible to reduce line impedance. 5. thermal c onsideration should by any chance the power dissipation rating be exceeded the rise in temperature of the chip may result in deterioration of the p roperties of the chip. in case of exceeding this absolute maximum rating, increase the board size and copper area to prevent exceeding the pd rating. 6. recommended o perating c onditions these conditions represent a range within which the expected characteris tics of the ic can be approximately obtained . the e lectrical characteristics are guaranteed under the conditions of each parameter . 7. inrush current when power is first supplied to the ic, it is possible that the internal logic may be unstable and inrush cu rrent may flow instantaneously due to the internal powering sequence and delays, especially if the ic has more than one power supply. therefore, give special consideration to power coupling capacitance, power wiring, width of ground wiring, and routing of connections. 8. operation u nder s trong e lectromagnetic f ield operating the ic in the presence of a strong electromagnetic field may cause the ic to malfunction . 9. testing on a pplication b oards when testing the ic on an application board, connecting a capacit or directly to a low - impedance output pin may v x e m h f w w k h , & |