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product structure silicon monolithic integrated circuit this product has no designed protection against radioactive rays 1/ 14 tsz02201 - 0h3h0b300440 - 1 - 2 ? 20 12 rohm co., ltd. all rights reserved. 09.dec.2015 rev.002 www.rohm. com tsz22111 ? 14 ? 001 h - bridge drivers for dc brush motors dual h - bridge driver high - speed switching t ype b d65492muv general description the bd6 5492muv provides a dual h - bridge motor driver which features wide range of motor power supply voltage from 1 . 8 v to 16.0v and low po wer 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 - less with pd mos high - side driver ? drive mode switch f unction ? control input voltage range fit 1.8v controller ? u nder voltage locked out p rotection & thermal shut down c ircuit applications ? m obile system ? home appliance ? amusement system, etc key specifications ? p ower 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) : 0.90 m a(typ ) ? stand -by c urrent : 1a (max ) ? control i nput 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 : 0.5 s(min ) ? turn o n t ime : 200ns(typ) ? turn o ff t ime : 80ns(typ ) ? h - bridge o utput c urrent (dc) : - 1.0 a to + 1.0a ? output on - resistance (total) : 0 .90 (typ ) ? operating temperature r ange : -3 0 c to +85 c package w(typ) x d(typ) x h(max ) vqfn024v4040 4.00 mm x 4. 0 0 mm x 1.00 mm typical application circuit vqfn024v4040 power - s aving h: ac tive l: stand - by motor c ontrol i nput selectable drive mode h: en/in l: in/in bypass f ilter capacitor for p ower s upply bypass f ilter capacitor for p ower s upply ps vcc 1 f to 100f out1a out1b vm in1a bandgap tsd & uvlo 11 17 15 24 3 22 power save level shift & pre driver in1b 18 pwm 19 h - bridge full on 23 2 21 pgnd out2a out2b 8 5 6 10 h - bridge full on 7 4 1 9 14 12 level shift & pre driver gnd 16 in2a in2b motor c ontrol i nput n.c. 13 n.c. 20 always keep n.c. pins open. keep o pen vm it's better for vm pin groups of 9,10 and 21,22 to short - circuit on the pcb pattern . if cannot, check into transitional characteristics of total application circuit including two motors. through low impedance materials , the possibility of causing some unexpected malfunctions is incontrovertible. 1 f t o 100f logic logic datashee t datashee t
2 / 14 b d65492muv tsz02201 - 0h3h0b300440 - 1 - 2 ? 20 12 rohm co., ltd. all rights reserved. 09.dec.2015 rev.002 www.rohm. com tsz22111 15 001 pin configuratio n pin descriptio n block diagram pin no. pin name functi on pin no. pin name function 1 pgnd motor ground 13 n.c. - 2 out1b h - bridge output 1b 14 in2a control logic input 2a 3 out1b h - bridge output 1b 15 vcc power supply 4 out2b h - bridge output 2b 16 gnd g round 5 out2b h - bridge output 2b 17 in1a control lo gic input 1a 6 pgnd motor ground 18 in1b control logic input 1b 7 out2a h - bridge output 2a 19 pwm drive mode logic input 8 out2a h - bridge output 2a 20 n.c. - 9 vm motor power supply 21 vm motor power supply 10 vm motor power supply 22 vm motor power s upply 11 ps power - saving function 23 out1a h - bridge output 1a 12 in2b control logic input 2b 24 out1a h - bridge output 1a the pins of the same name, such as vm, pgnd, out1a, out1b, out2a and out2b, must be shorted on printed circuit boards . pgnd 1 2 out1b out1b out2b out2b pgnd 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 out2a vm in2b out2a pwm n.c. vm vm out1a out1a 18 17 16 15 14 13 in1b in1a gnd vcc in2a n.c. vm ps ( top view ) ps vcc out1a out1b vm in1a ban dgap tsd & uvlo 11 17 15 24 3 22 power save level shift & pre driver in1b 18 pwm 19 h - bridge full on 23 2 21 pgnd out2a out2b 8 5 6 10 h - bridge full on 7 4 1 9 14 12 level shift & pre driver gnd 16 in2a in2b n.c. 13 n.c. 20 vm logic logic 3 / 14 b d65492muv tsz02201 - 0h3h0b300440 - 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) in1a, in1b, in2a and in2b p ins logic level controls the o utput 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 sets 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 ) 3. vm terminal each h - bridg e can be controlled independently. take into consideration that e ach vm termina l (9, 10, 21 and 22pin) is short - circuited internally . (see the block diagr am ; p.2/1 4) absolute maximum ratings (ta=25 c ) parameter symbol limit unit power supply voltage v c c - 0. 3 to +7.0 v motor power supply voltage v m - 0. 3 to +20.0 v control input voltage v in - 0. 3 to + v cc +0. 3 v power d issipation pd 0. 7 0 (note 1) w 2. 2 0 (not e 2) 3 . 56 (note 3) h - bridge output current (dc) i out - 1.0 to +1.0 (note 4) a storage temp erature range t stg - 55 to +150 c junction temperature t jmax +150 c (note 1) reduced by 5.6mw/ c over 25 c , when mounted on a glass epoxy 1 - layer board (74.2mm x 74.2mm x 1.6mm) in surface layer copper foil area: 10.29mm 2 (note 2) reduced by 17.6mw/ c o ver 25 c , when mounted on a glass epoxy 4 - layer board (74.2mm x 74.2mm x 1.6mm) in surface & back layers copper foil area: 10.29mm 2 , 2&3 layers copper foil area: 5505mm 2 (note 3) reduced by 28.4mw/ c over 25 c , when mounted on a glass epoxy 4 - layer board ( 74.2mm x 74.2mm x 1.6mm) in all 4 - layers copper foil area: 5505mm 2 (note 4) must not exceed pd, aso, or tjmax of 150 c 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 a n 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 ratings parameter symb ol min typ max unit power supply voltage v cc 2.5 - 5.5 v motor power supply voltage 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 t in 0.5 - - s operating temperature range t opr - 30 - +85 c 4 / 14 b d65492muv tsz02201 - 0h3h0b300440 - 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 c c1 0.50 0.90 1.25 m a v ps =3v, open mode circuit current 2 i cc2 0.50 0.95 1.30 m a v ps =3v, cw & ccw mode circuit current 3 i cc3 0.50 0.95 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=in1a, in1b, in2a, in2b, pwm) 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 inp ut current 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 on - resistance r on - 0.9 1.2 i out =500ma, high & low - side total turn on time t on - 200 400 ns / r d g l q j turn off time t off - 80 400 ns / r d g l q j 5 / 14 b d65492muv tsz02201 - 0h3h0b300440 - 1 - 2 ? 20 12 rohm co., ltd. all rights reserved. 09.dec.2015 rev.002 www.rohm. com tsz22111 15 001 typical performance curves ( r eference 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 power output current ( output on - resistance on high - side, v m =5v, v cc =3v) figure 4. output vds vs power output current ( output on - resistance on low - side v m =5v, v cc =3v) top 85 c mid 25 c low - 3 0c operating range (2.5v to 5.5v) top 85 c mid 25 c low - 3 0c operating range (2.5v to 5.5v) top 85 c mid 25 c low - 3 0c top 85 c mid 25 c low - 3 0c 0 200 400 600 800 0 200 400 600 800 1000 output current : i out [ma] output vds : v dsl [mv] 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] 0 200 400 600 800 0 200 400 600 800 1000 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] 6 / 14 b d65492muv tsz02201 - 0h3h0b300440 - 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 ( output on - resistance on high - side v m dependency , v cc =3v ) figure 6. output on - resistance vs motor power supply voltag e ( output on - resistance on low - side v m d ependency , 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 0.1 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 > @ 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 > @ 7 / 14 b d65492muv tsz02201 - 0h3h0b300440 - 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 5 ) pwm in1a/2a in1b/2b out1a/2a out1b/2b output mode ( note 6 ) 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 impedance (note 5 ) ps= high: operation mode, ps= low: stand - by mode (note 6 ) cw : c urrent flow s from outxa to out x b, ccw : c urrent flow s from outxb to outx a (x=1, 2) 1.0v 50% - 50% 1.45v 0.5v 100% 0% - 100% t on t off 50% - 50% motor current control input t on t off t in t in figure 7 . input - output ac character istic 8 / 14 b d65492muv tsz02201 - 0h3h0b300440 - 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 compone nts including static and transitional characteristics as well as dispersion of the ic. power - s aving h: active l: stand - by motor c ontrol i nput selectable drive mode h: en/in l: in/in bypass f ilter capacitor for p ower s upply bypass f ilter capacitor for p ower s upply ps vcc 1 f t o 100f out1a out1b vm in1a bandgap tsd & uvlo 11 17 15 24 3 22 power save level shift & pre driver in1b 18 pwm 19 h - bridge full on 23 2 21 pgnd out2a out2b 8 5 6 10 h - bridge full on 7 4 1 9 14 12 level shift & pre driver gnd 16 in2a in2b mot or c ontrol i nput n.c. 13 n.c. 20 always keep n.c. pins open. keep open vm it's better for vm pin groups of 9,10 and 21,22 to short - circuit on the pcb pattern . if cannot, check into transitional characteristics of total application circuit including two motors. through low impedance materials, the possibility of causing some unexpected malfunctions is incontrovertible. 1 f to 100f logic logic 9 / 14 b d65492muv tsz02201 - 0h3h0b300440 - 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 e quivalence c ircuit s ps in1a, in1b, in2a, in2b, pwm vm, pgnd, outxa, outxb (x=1,2) outxa pgnd vm outxb 100k 10k 300k 75k 3.56w 2.20w 85 c 0.70w 0.36w 1.86w 1.14w 0.0 1.0 2.0 3.0 4.0 0 25 50 75 100 125 150 ambient temperature : ta [c] power dissipation : pd [w] 10 / 14 b d65492muv tsz02201 - 0h3h0b300440 - 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 external 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 no ise in the ground 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 capa citors. 3. g round 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 sh ould 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 var iations 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 deterior ation of the properties 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 expect ed characteristics 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 current 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, a nd 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, connec ting a capacitor directly to a low - impedance output pin may v x e m h f w w k h , & |