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1/16 www.rohm.com 2012.03 - rev. a ? 2012 rohm co., ltd. all rights reserved. system lens driver series for mobile phone cameras parallel interface type lens drivers for voice coil motor bd6883gul,BH6453GUL,bd6 886gul,bd6369gul description the bd6883gul, and the BH6453GUL motor driver provide 1 const ant-current driver half-bri dge, and 1 constant-voltage driver half-bridge channel. the bd6886gul, and the bd6369gul motor driver provid e 1 constant-voltage driver h-bridge channel. these lens drivers are offered in an ultra-small func tional lens system for use in an auto focus system using a voice coil motor. features 1) bd6883gul characteristics 1) ultra-small chip size package; 1.1mm 1.6mm 0.55mm 2) low on-resistance power cmos output; on high side pmos typ.0.65 ? , on low side nmos typ.0.40 ? 3) esd resistance (human body model); 8kv 4) built-in 5% high-precision constant-voltage dr iver (phase compensation capacitor-free design) 5) built-in uvlo (under voltage locked out: uvlo) 6) built-in tsd (thermal shut down) circuit 7) standby current consumption: 0 a typ. 2) BH6453GUL characteristics 1) ultra-small chip size package; 1.5mm 0.9mm 0.55mm 2) low on-resistance power cmos output; on high side pmos typ.1.2 ? , on low side nmos typ.0.4 ? 3) esd resistance (human body model); 8kv 4) built in resistor for output current det ect (phase compensation capacitor-free design) 5) 1.8v can be put into each control input terminal 6) built-in uvlo (under voltage locked out: uvlo) 7) built-in tsd (thermal shut down) circuit 8) standby current consumption: 0 a typ. 3) bd6886gul, bd6369gul characteristics 1) ultra-small chip size package; 2.1mm 2.1mm 0.55mm 2) low on-resistance power cmos output; on high and low sides in total typ.0.80 ? 3) esd resistance (human body model); 8kv 4) built-in 5% high-precision constant-voltage dr iver (phase compensation capacitor-free design) 5) control input mode selection function 6) built-in uvlo (under voltage locked out: uvlo) 7) built-in tsd (thermal shut down) circuit 8) standby current consumption: 0 a typ. no.12015eat02
technical note 2/16 bd6883gul,BH6453GUL,b d6886gul,bd6369gul www.rohm.com 2012.03 - rev. a ? 2012 rohm co., ltd. all rights reserved. ambient temperature ta [ c ] power dissipation pd[mw] 0 25 85 150 380 730 ambient temperature ta [ c ] power dissipation pd[mw] 0 25 85 150 380 730 ambient temperature ta [ c ] power dissipation pd[mw] 0 25 85 125 172 430 ambient temperature ta [ c ] power dissipation pd[mw] 0 25 85 150 265 510 absolute maximum ratings (ta=+25c) parameter symb ol limit unit bd6883gul BH6453GUL bd6886gul bd6369gul power supply voltage vcc -0.5 to +6.5 -0.5 to +4.5 -0.5 to +6.5 -0.5 to +6.5 v motor power supply voltage vm - - -0.5 to +6.5 -0 .5 to +6.5 v control input voltage vin -0.5 to vcc+0.5 -0.5 to vcc+0.5 -0.5 to vcc+0.5 -0.5 to vcc+0.5 v input voltage for constant-voltage setting vlim -0.5 to vcc+0.5 - -0.5 to vm+0.5 -0.5 to vm+0.5 v input voltage for constant-current setting clim - -0.5 to vcc+0.5 - - v power dissipation pd 510 1 430 2 730 3 730 3 mw operating temperature range topr -25 to +85 -25 to +85 -25 to +85 -25 to +85 c junction temperature tjmax +150 +125 +150 +150 c storage temperature range tstg -55 to +150 -55 to +125 -55 to +150 -55 to +150 c h-bridge output current iout -200 to +200 4 -300 to +300 5 -200 to +200 4 -500 to +500 4 ma 1 reduced by 4.08mw/c over 25c, when mounted on a glass epoxy board (50mm ? 58mm ? 1.75mm; 8 layers). 2 reduced by 4.30mw/c over 25c, when mounted on a glass epoxy board (50mm ? 58mm ? 1.75mm; 8 layers). 3 reduced by 5.84mw/c over 25c, when mounted on a glass epoxy board (50mm ? 58mm ? 1.75mm; 8 layers). 4 must not exceed pd, aso, or tjmax of 150c. 5 must not exceed pd, aso, or tjmax of 125c. operating conditions parameter symbol limit unit bd6883gul BH6453GUL bd6886gul bd6369gul power supply voltage vcc +2.5 to +5.5 +2.3 to +3.6 +2.5 to +5.5 +2.5 to +5.5 v motor power supply voltage vm - - +2.5 to +5.5 +2.5 to +5.5 v control input voltage vin 0 to vcc 0 to vcc 0 to vcc 0 to vcc v input voltage for constant-voltage setting vlim 0 to vcc - 0 to vm 0 to vm v input voltage for constant-current setting clim - 0 to vcc - - v h-bridge output current iout -150 to +150 6 -200 to +200 6 -150 to +150 6 -400 +400 6 ma 6 must not exceed pd or aso. power dissipation reduction fig.1 bd6883gul power dissipation reduction fig.2 BH6453GUL power dissipation reduction fig.3 bd6886gul power dissipation reduction fig.4 bd6369gul power dissipation reduction
technical note 3/16 bd6883gul,BH6453GUL,b d6886gul,bd6369gul www.rohm.com 2012.03 - rev. a ? 2012 rohm co., ltd. all rights reserved. electrical characteristics 1) bd6883gul electrical characteristics (unless otherwise specified, ta=25c, vcc=3.0v) parameter symbol limit unit conditions min typ max overall circuit current during standby operation iccst - 0 10 a ps=0v circuit current icc - 0.9 1.4 ma ps=3v, vlim=3v with no signal and load control input (vin=in, ps) high level input voltage vinh 2.0 - vcc v low level input voltage vinl 0 - 0.7 v high level input current iinh 15 30 60 a vinh=3v, pull-down resistor typ.100k low level input current iinl -1 0 - a vinl=0v input for constant-voltage setting input current ivlim -1.5 -0.5 - a vlim=0v uvlo uvlo voltage vuvlo 1.6 - 2.4 v constant-voltage drive block pmos output on-resistance ronp - 0.65 0.80 ? io=-150ma nmos output on-resistance ronn - 0.40 0.60 ? io=+150ma output high-level voltage voh 1.9 vlim 2.0 vlim 2.1 vlim v vlim=1v with 10 ? load output ac characteristic turn-on time ton - 1.5 5 s io=-150ma, 10 ? load turn-off time toff - 0.1 2 s io=-150ma, 10 ? load rise time tr - 1.5 8 s io=-150ma, 10 ? load fall time tf - 0.05 1 s io=-150ma, 10 ? load fig.5 bd6883gul i/o switching waveform (the direction flowing into ic is plus) 100% 0% 0% -100% ton toff tr tf 50% 50% -50% -50% -10% -90% -90% -10% motor current vin
technical note 4/16 bd6883gul,BH6453GUL,b d6886gul,bd6369gul www.rohm.com 2012.03 - rev. a ? 2012 rohm co., ltd. all rights reserved. 2) BH6453GUL electrical characteristics (unl ess otherwise specified, ta=25c, vcc=3.0v) parameter symbol limit unit conditions min typ max overall circuit current during standby operation iccst - 0 5 a ps=0v circuit current icc - 0.9 1.3 ma ps=3v, in=3v, no load control input (vin=in, ps) high-level input voltage vinh 1.5 - vcc v low-level input voltage vinl 0 - 0.5 v high-level input current iinh 15 30 60 a vinh=3v, pull down resistance typ.100k ? low-level input current iinl -1 0 - a vinl=0v uvlo uvlo voltage vuvlo 1.6 - 2.2 v constant-current drive block pmos output on-resistance ronp - 1.2 1.5 ? io=-200ma nmos output on-resistance ronn - 0.35 0.50 ? io=+200ma offset current iofs 0 1 5 ma clim=0v output current iout 180 200 220 ma clim=0.8v, rl=10 ? drive system of constant-current i sink : vcc-out current clim: vcc-out current setting voltage r rnf : vcc-out current detection resistance i sink [a]= clim[v] 2 2.0(typ.)[ ? ]
technical note 5/16 bd6883gul,BH6453GUL,b d6886gul,bd6369gul www.rohm.com 2012.03 - rev. a ? 2012 rohm co., ltd. all rights reserved. 3) bd6886gul, bd6369gul electrical characteristics (unl ess otherwise specified, ta =25c, vcc=3.0v, vm=5.0v) parameter symbol limit unit conditions min typ max overall circuit current during standby operation iccst - 0 10 a ps=0v circuit current 1 icc - 0.9 1.4 ma ps=3v, with no signal circuit current 2 im - 0.4 0.65 ma ps=3v, vlim=5v, no load control input (vin=ina, inb, sel, ps) high-level input voltage vinh 2.0 - vcc v low-level input voltage vinl 0 - 0.7 v high-level input current iinh 15 30 60 a vinh=3v low-level input current iinl -1 0 - a vinl=0v pull-down resistor rin 50 100 200 k ? input for constant-voltage setting input current ivlim -1.5 -0.5 - a vlim=0v uvlo uvlo voltage vuvlo 1.6 - 2.4 v constant-voltage drive block output on-resistance ron - 0.80 1.20 ? io= 150ma on high and low sides in total output high-level voltage voh 1.9 vlim 2.0 vlim 2.1 vlim v vlim=1v with 10 ? load output ac characteristic turn-on time ton - 1.5 5 s io= 150ma with 10 ? load turn-off time toff - 0.1 2 s io= 150ma with 10 ? load rise time tr - 2 8 s io= 150ma with 10 ? load fall time tf - 0.05 1 s io= 150ma with 10 ? load fig.6 bd6886gul, bd6369gul i/o switching waveform 100% 0% 100% 0% -100% ton ton toff toff tf tr tf tr 50% 50% 50% 50% -50% -50% 90% 10% -10% -90% -90% -10% 10% 90% motor current vin
technical note 6/16 bd6883gul,BH6453GUL,b d6886gul,bd6369gul www.rohm.com 2012.03 - rev. a ? 2012 rohm co., ltd. all rights reserved. 0 100 200 300 400 500 0.01.02.03.04.05.06.07.0 clim voltage, vclim [v] out current, iout [ma] 0.0 1.0 2.0 3.0 4.0 5.0 0 0.1 0.2 0.3 0.4 0.5 output current, io [a] output voltage, voutl [v] -1.0 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0.0 0 0.1 0.2 0.3 0.4 0.5 output current, io [a] output voltage, vouth [v] 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 supply voltage, vcc [v] circuit current, icc [ma] 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0.01.02.03.04.05.06.07.0 supply voltage, vcc [v] circuit current, icc [ma] 0.0 0.1 0.2 0.3 0.4 0.5 0 0.1 0.2 0.3 0.4 0.5 output current, io [a] output voltage, voutl [v] 0.0 0.1 0.2 0.3 0.4 0.5 0 0.1 0.2 0.3 0.4 0.5 output current, io [a] output voltage, voutl [v] -1.0 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0.0 0 0.1 0.2 0.3 0.4 0.5 output current, io [a] output voltage, vouth [v] 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 vlim voltage [v] out voltage, voh [v] 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 vlim voltage [v] out voltage, voh [v] -2.0 0.0 2.0 4.0 6.0 8.0 10.0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 supply voltage, vcc [v] standby current, icc [ a] -1.0 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0.0 0 0.1 0.2 0.3 0.4 0.5 output current, io [a] output voltage, vouth [v] op. range (0~150ma) ( bd6886gu l ) op. range (0~150ma) (bd6886gul) op. range (0~400ma) (bd6369gul) op. range (0~400ma) ( bd6369gu l ) op. range (2.5v 5.5v) (bd6883gul, bd6886gul, bd6369gul ) electrical characteristic diagrams fig.8 circuit current (bd6883gul/bd6886gul/bd6369gul) bd6883gul / bd6886gul / bd6369gul top 85 middle 25 lower -2 op. range (2.5v 5.5v) fig.9 circuit current (BH6453GUL) BH6453GUL op. range (2.3v 3.6v) top 85 middle 2 5 lower - bd6883gul top 85 middle 25 lower -2 5 vm=vc op. range (0 150ma) fig.10 nmos output voltage ( bd6883gul ) bd6883gul op. range (0 150ma) fig.13 pmos output voltage (bd6883gul) top -25 middle 25 lower 85 vm=vcc=3 bd6886gul / bd6369gul top 85 middle 25 lower -2 5 vm = 5v fig.11 nmos output voltage (bd6886gul / bd6369gul) bd6886gul / bd6369gul fig.14 pmos output voltage (bd6886gul / bd6369gul) top 85 middle 25 lower -2 5 vm = 5v BH6453GUL fig.12 nmos output voltage ( BH6453GUL ) BH6453GUL op. range (0 200ma) fig.15 pmos output voltage (BH6453GUL) top -25 middle 25 lower 85 vm=vcc=3 fig.18 current limit output voltage ( BH6453GUL ) BH6453GUL top -25 middle 25 lower 85 vm=vcc=3 fig.17 output high-level voltage (bd6886gul / bd6369gul) bd6886gul / bd6369gul op. range (0 vm) top -25 middle 25 lower 85 vm=5v vcc=3v bd6883gul fig.16 output high-level voltage ( bd6883gul ) top -25 middle 25 lower 85 vm=vcc=3 op. range (0 vcc) all series fig.7 standby current all series top 85 middle 25 lower -2 top 85 middle 25 lower -2 5 vm=vc op. range (0 200ma) op. range (0 vcc) op. range (2.3v 3.6 v) (BH6453GUL)
technical note 7/16 bd6883gul,BH6453GUL,b d6886gul,bd6369gul www.rohm.com 2012.03 - rev. a ? 2012 rohm co., ltd. all rights reserved. block diagram, application circuit diagram, pin arrangement, pin function table 1) bd6883gul block diagram, application circuit diagram, pin arrangement, pin function table fig.19 bd6883gul block diagram, application circuit diagram 1 2 ps in vcc vlim c out gnd fig.20 bd6883gul pin arrangement (top view) bd6883gul pin function table no. pin name function no. pin name function 1a ps power-saving pin 2b vlim output high-level voltage setting pin 2a in control input pin 1c out half-bridge output pin 1b vcc power supply pin 2c gnd ground pin a b in out pre driver bandgap ps power save i source vcc 0.1 10uf tsd & uvlo gnd 2 vcc vlim power-saving h: active l: standby motor control input 1a 1b 2b 2c 1c 2a bypass filter capacitor for power supply input. see. p.14/16. 0.5ch constant-voltage output pins. output h voltage. out[v]=2 vlim[v] setting for constant-voltage input terminal in addition to the dc input, pwm signal drive is also possible using filter components. see. p.11/16 logic
technical note 8/16 bd6883gul,BH6453GUL,b d6886gul,bd6369gul www.rohm.com 2012.03 - rev. a ? 2012 rohm co., ltd. all rights reserved. 2) BH6453GUL block diagram, application circuit diagram, pin arrangement, pin function table fig.21 BH6453GUL block diagram, application circuit diagram 1 2 3 in clim gnd ps vcc out fig.22 BH6453GUL pin arrangement (top view) BH6453GUL pin function table no. pin name function no. pin name function 1a in control input pin 1b ps power-saving pin 2a clim output current setting pin 2b vcc power supply pin 3a gnd ground pin 3b out half-bridge output pin power-saving h: active l: standby motor control input bypass filter capacitor for power supply input. see. p.14/16. 0.5ch constant-current output pins. iout[ma] = clim[v] / (2 2(typ)[ ]) bandgap ps power save vcc 0.1 10uf tsd & uvlo clim out in i sink gnd b1 a1 a2 v/i converter rnf=2.0 vcc vcc a b setting for constant-current input terminal in addition to the dc input, pwm signal drive is also possible using filter components. see. p.11/16 pre driver logic
technical note 9/16 bd6883gul,BH6453GUL,b d6886gul,bd6369gul www.rohm.com 2012.03 - rev. a ? 2012 rohm co., ltd. all rights reserved. 3) bd6886gul, bd6369gul block diagram, application ci rcuit diagram, pin arrangement, pin function table fig.23 bd6886gul, bd6369gul block diagram, application circuit diagram 1 2 3 4 n.c. outa ps n.c. vm index post inb ina pgnd vlim sel vcc n.c. outb gnd n.c. fig.24 bd6886gul, bd6369gul pin arrangement (top view) bd6886gul, bd6369gul pin function table no. pin name function no. pin name function 1a n.c. n.c. 1c pgnd motor ground pin 2a outa h-bridge output pin a 2c vlim output high-level voltage setting pin 3a ps power-saving pin 3c sel control input mode selection pin 4a n.c. n.c. 4c vcc power supply pin 1b vm motor power supply pin 1d n.c. n.c. 2b 2d outb h-bridge output pin b 3b inb control input pin b 3d gnd ground pin 4b ina control input pin a 4d n.c. n.c. a b c d sel bandgap ps power save vcc 0.1 10uf tsd & uvlo vlim outa 0.1 10uf vm pgnd 2 outb h bridge ina inb i out gnd power-saving h: active l: standby control input mode selection 2a 3a 1b 3b 4b 1c 2c 3c 4c 2d 3d motor control input bypass filter capacitor for power supply input. see. p.14/16. 1ch constant-voltage output pins. output h voltage. out[v]=2 vlim[v] setting for constant-voltage input terminal in addition to the dc input, pwm signal drive is also possible using filter components. see. p.11/16 bypass filter capacitor for power supply input. see. p.14/16. logic pre driver
technical note 10/16 bd6883gul,BH6453GUL,b d6886gul,bd6369gul www.rohm.com 2012.03 - rev. a ? 2012 rohm co., ltd. all rights reserved. function explanation 1) power-saving function (all series) when the l voltage is applied the ps pin, the ic?s inside circ uit stop, and when 0v applied, the circuit current became 0 a(typ.), especially. when the ic drive, serial input while the ps pin applied h voltage. (see the electrical characteristics; p.3, 4, 5/16) 2) control input pin in pin (bd6883gul, BH6453GUL) the in pin is used to program and control the motor drive modes. (see the electrical characte ristics; p3, 4/16, and the i/o truth table; p12/16) ina, inb, sel pins (bd6886gul, bd6369gul) the ina and inb are used to program and control the motor drive modes. when the l voltage is applied to the sel pin, the i/o logic c an be set to en (enable)/in mode, and when the h voltage is applie d to the one, the i/o logic can be set to in/in mode. (see the elec trical characteristics; p5/16, and the i/o truth table; p12/16 ) 3) h-bridge and half-bridge on the output stage (all series) specify maximum current applied to the h-bridge and half-bridge within the operating range, in consideration of power dissipati on. (see the operating conditions; p.2/16) 4) drive system of linear constant-voltage h-bridge (bd6883gul, bd6886gul, and bd6369gul) to set up the output h voltage, when the voltage input to the vlim pin, the output h voltage is two times as high as the voltag e. bd6883gul ????? bd6886gul, bd6369gul ????? for example, the output voltage is 2.0v 5%, if 1.0v is applied to the vlim pin. if the vlim pin is shorted to the vm pin (or the same voltage level as the vm is applied), you can be used as a full-on drive h-bridge. 5) drive system of linear constant-current h-bridge (BH6453GUL) to detect the output current and the output current settings the BH6453GUL built in resistor for output current detect. the output current is kept constant by comparing it with the clim voltage. in addition, impress a highly accurate voltage form the out side of ic to the clim terminal, when you do the output cur rent setting accuracy or more good. ????? if the clim pin applied 0.8v, output current is 200ma 10%. the output h voltage voh [v] = 2.0 vlim [v] (when vlim [v] , output h voltage is about vm voltage) the output h voltage voh [v] = 2.0 vlim [v] (when vlim [v] , output h voltage is about vcc voltage) output current i sink [a] = clim [v] 2 2(typ) [ ? ] vcc [v] 2 vm [v] 2
technical note 11/16 bd6883gul,BH6453GUL,b d6886gul,bd6369gul www.rohm.com 2012.03 - rev. a ? 2012 rohm co., ltd. all rights reserved. r ina //r inb =3.2[k ] v pwm [v]= v max [v] on duty[%] r ina =2.75r inb 7) setting of pwm signal input vlim and clim terminals (all series) it is also possible to compose filters outside the ic, c hange an input voltage for output voltage and output current setting te rminals such as vlim and clim terminals by the duty control using an pwm signal, etc., and use them as set values for control. in this case, however, ensure the smoothing of the signals, heeding the constant number of the low-pass filter as stated below. a cutoff frequency f c (-3db attenuation frequency) of the low-pass filter in fig25 is calculated by the formula mentioned below. ????? set the cutoff frequency f c at 1/100 or below of the pwm frequency f pwm . for example, if the cutoff frequency f c is set at 1/100 of f pwm when the pwm frequency f pwm =50[khz], according to the formula above: ????? when c in =0.1[ f], according to the formula above: ????? where, an effective value of pwm signal as a dc current, according to crest values v max and on duty [%]= is as follows: ????? an actual voltage v lim input to terminals that specify output current and voltages, such as vlim and clim terminals is as follows according to resistance potential division of r ina and r inb : ????? for example, when an pwm signal with crest values v max =3[v] and duty [%]=5[%] is input, a v lim value according to the formula above is: ????? bd6883gul, bd6886gul, and bd6369gul where, to specify an output voltage voh=2[v], a value vlim=1.0[v ] according to the formula in the previous page. and then, according to the formula above, vlim=1.0[v]. therefore, r ina =0.5r inb ????? according to and , r ina =4.8k , r inb =9.6k . BH6453GUL where, to specify an output current i sink =100[ma], the following formula is derived acco rding to the formula in the previous page , clim=0.4[v], and according to the formula above : ?????? according to and ? : r ina =11.9k , r inb =4.3k fig.25 example pwm signal input cutoff frequency f c [hz] = [hz] 1 2 c in (r ina //r inb ) cutoff frequency f c [hz] = 1 2 c in (r ina //r inb ) = f pwm = [hz] 1 100 50 10 3 100 v lim [v]= v pwm [v] r inb r ina +r inb on time on time+ off time c in r ina r inb output voltage / constant current voltage terminals f pwm v pwm v max v lim vlim / clim v lim [v]= 3[v] 50[%] r inb r ina +r inb vlim=1.0[v]=v lim = 3[v] 50[%] r inb r ina +r inb clim=0.4[v]=v lim = 3[v] 50[%] r inb r ina +r inb
technical note 12/16 bd6883gul,BH6453GUL,b d6886gul,bd6369gul www.rohm.com 2012.03 - rev. a ? 2012 rohm co., ltd. all rights reserved. i/o truth table bd6883gul i/o truth table mode input output output mode ps in out - h l l sink h h source - l x z 7 standby l: low, h: high, x: don?t care, z: hi impedance sink is a direction of current flowing into the driver, and source is a direction of current flowing out the driver. when it is sink, which drive full on. 7 z at the constant-voltage driver output l voltage for connect feedback resistance (20k ? typ.) for output h voltage setting between out pin and gnd. but output power mos is off condition. BH6453GUL i/o truth table mode input output output mode ps in out - h h l sink l h source - l x z standby l: low, h: high, x: don?t care, z: hi impedance sink is a direction of current flowing into the driver, and source is a direction of current flowing out the driver. when it is source, which drive full on. bd6886gul, bd6369gul i/o truth table mode input output output mode ps sel ina inb outa outb en/in h l l x z 7 z 7 standby h l h l forward rotation h h l h reverse rotation in/in h l l l l brake l h l h reverse rotation h l h l forward rotation h h z 8 z 8 standby - l x x x z 8 z 8 standby l: low, h: high, x: don?t care, z: hi impedance at forward rotation, current flows from outa to outb. at reverse rotation, current flows from outb to outa. 8 z at the constant-voltage driver output l voltage for connect feedback resistance (20k ? typ.) for output h voltage se tting between out pin and gnd. but output power mos is off condition.
technical note 13/16 bd6883gul,BH6453GUL,b d6886gul,bd6369gul www.rohm.com 2012.03 - rev. a ? 2012 rohm co., ltd. all rights reserved. in out, gnd clim ps vcc 140 k 100k 10k in 60k 140 k 25k ps 75k vcc vcc 1k clim out gnd vcc i/o circuit diagram ps, in out, gnd vlim vlim vcc 1k 10k out gnd vcc vcc 100k 10k ps in fig.26 bd6883gul i/o circuit diagram (r esistance values are typical ones. fig.27 BH6453GUL i/o circuit diagram (r esistance values are typical ones. fig.28 bd6886gul, bd6369gul i/o circuit diagr am (resistance values are typical ones.) ps, ina, inb, sel vm, outa, outb, pgnd vm pgnd out a outb vcc 100k 10k ps ina inb sel vlim vlim vcc 1k 10k
technical note 14/16 bd6883gul,BH6453GUL,b d6886gul,bd6369gul www.rohm.com 2012.03 - rev. a ? 2012 rohm co., ltd. all rights reserved. operation notes 1) absolute maximum ratings use of the ic in excess of absolute maximum ratings, such as the applied voltage (vcc, vm) or operating temperature range (topr), may result in ic damage. assumptions should not be made regarding the st ate of the ic (short mode or open mode) when such damage is suffered. a physical safety measure, such as a fuse, should be implemented when using the ic at times where the absolute maximum ratings may be exceeded. 2) storage temperature range (tstg) as long as the ic is kept within this range, there should be no problems in the ic?s performance. conversely, extreme temperature changes may result in poor ic performanc e, even if the changes are within the above range. 3) power supply and wiring be sure to connect the power terminals outside the ic. do not leave them open. because a return current is generated by a counter electromotive force of the motor, take necessary measures such as putting a capacitor between the power source and the ground as a passageway for the regenerative current. be sure to connect a capacitor of proper capacitance (0.1 f to 10 f) between the power source and the gr ound at the foot of the ic, and ensure that there is no proble m in properties of electrolytic capacitors such as decrease in capacitance at low temperatures. when the connected powe r source does not have enough current absorbing capability, there is a possibility that the voltage of the power source line increases by the regenerative current an exceeds the absolute maximum rating of this product and the peripheral circuits. therefore, be sure to take physical safety measures su ch as putting a zener diode for a voltage clamp between the power source an the ground. 4) ground terminal and wiring the potential at gnd terminals should be made the lowest under any operating conditions. ensure that there are no terminals where the potentials are below the potential at gnd terminals, including the transient phenomena. the motor ground terminals pgnd, and the small signal ground terminal gnd are not interconnected with one another inside the ic. it is recommended that you should isolate the large-current rnf pattern and pgnd pattern from the small-signal gnd pattern, and should establish a one-poin t grounding at a reference point of the set, to avoid fluctuation of small-signal gnd volt ages caused by voltage changes due to pattern wire resistances and large currents. also prevent the voltage variat ion of the ground wiring patterns of external components. use short and thick power source and ground wirings to ensure low impedance. 5) thermal design use a proper thermal design that allows for a sufficient margin of the power dissipation (pd) at actual operating conditions. 6) pin short and wrong direction assembly of the device. use caution when positioning the ic for mounting on printed circuit boards. the ic may be damaged if there is any connection error or if positive and ground power supply termi nals are reversed. the ic may also be damaged if pins are shorted together or are shorted to other circuit?s power lines. 7) avoiding strong magnetic field malfunction may occur if the ic is used around a strong magnetic field. 8) aso ensure that the output transis tors of the motor driver ar e not driven under excess condit ions of the absolute maximum ratings and aso. 9) tsd (thermal shut down) circuit if the junction temperature (tjmax) reaches 175c (but th e BH6453GUL is 150c), the tsd circuit will operate, and the coil output circuit of the motor will open. there is a temperature hyst erics of approximately 25c (but the BH6453GUL is 20c). the tsd circuit is designed only to shut off the ic in order to prevent runaway thermal operation. it is not designed to protect the ic or guarantee its operation. the performance of the ic?s characteristics is not guaranteed and it is recommended that the device is replaced afte r the tsd is activated.
technical note 15/16 bd6883gul,BH6453GUL,b d6886gul,bd6369gul www.rohm.com 2012.03 - rev. a ? 2012 rohm co., ltd. all rights reserved. 10) testing an application board when testing the ic on an application board, connecting a capacitor to a pin with low impedance subjects the ic to stress. always discharge capacitors after each process or step. always turn the ic's power supply off before connecting it to, or removing it from a jig or fixture, during the inspection process. ground the ic during assembly steps as an antistatic measure. use similar precaution when transporting and storing the ic. 11) regarding the input pin of the ic this monolithic ic contains p + isolation and p substrate layers between adja cent elements to keep them isolated. p-n junctions are formed at the intersection of these p layers with the n layers of other elements, creating a parasitic diode or transistor. for example, the relation between each potential is as follows: when gnd > pin a, the p-n junction operates as a parasitic diode. when gnd > pin b, the p-n junction operat es as a parasitic diode and transistor. parasitic elements can occur inevitably in the structure of the ic. the operation of parasitic elements can result in mutual interference among circuits, operat ional faults, or physical damage. accordingly, methods by which parasitic elements operate, such as applying a volt age that is lower than the gnd (p substr ate) voltage to an input pin, should not be used. parasitic element other adjacent elements parasitic elements resistor transistor (npn) n n n p + p + p p substrate gnd pin a n n p + p + p p substrate gnd parasitic elements pin b c b e n gnd pin a parasitic element pin b e b c gnd fig.29 example of simple ic architecture
technical note 16/16 bd6883gul,BH6453GUL,b d6886gul,bd6369gul www.rohm.com 2012.03 - rev. a ? 2012 rohm co., ltd. all rights reserved. selecting a model name when ordering b x 6 x x x g u l e 2 rohm model name package packaging and forming specification e2: embossed tape and reel vcsp50l1 (bd6883gul) ( unit:mm ) < dimension > < tape and reel information > tape quantity direction of feed embossed carrier tape (with dry pack) 3000pcs e2 (the direction is the 1pin of product is at the upper left when you hold reel on the left hand and you pull out the tape on the right hand.) when you order , please order in times the amount of package quantity. reel direction of feed 1pin 1234 1234 1234 1234 1234 1234 ( unit:mm ) vcsp50l1 (BH6453GUL) < dimension > when you order , please order in times the amount of package quantity. tape quantity 3000pcs reel 1pin 1234 1234 1234 1234 1234 1234 direction of feed < tape and reel information > embossed carrier tape (with dry pack) e2 (the direction is the 1pin of product is at the upper left when you hold reel on the left hand and you pull out the tape on the right hand.) direction of feed ( unit:mm ) vcsp50l2 (bd6886gul, bd6369gul) < dimension > when you order , please order in times the amount of package quantity. tape quantity 3000pcs reel 1pin 1234 1234 1234 1234 1234 1234 direction of feed < tape and reel information > embossed carrier tape (with dry pack) e2 (the direction is the 1pin of product is at the upper left when you hold reel on the left hand and you pull out the tape on the right hand.) direction of feed 6883 : constant voltage 0.5ch 6453 : constant current 0.5ch 6886 : constant voltage 1ch 6369 : constant voltage 1ch gul : vcsp50l1 (bd6883) gul : vcsp50l1 (bh6453) gul : vcsp50l2 (bd6886) gul : vcsp50l2 (bd6369)
r1120 a www.rohm.com ? 2012 rohm co., ltd. all rights reserved. notice rohm customer support system http://www.rohm.com/contact/ thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact us. notes no copying or reproduction of this document, in part or in whole, is permitted without the consent of rohm co.,ltd. the content specied herein is subject to change for improvement without notice. the content specied herein is for the purpose of introducing rohm's products (hereinafter "products"). if you wish to use any such product, please be sure to refer to the specications, which can be obtained from rohm upon request. examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the products. the peripheral conditions must be taken into account when designing circuits for mass production. great care was taken in ensuring the accuracy of the information specied in this document. however, should you incur any damage arising from any inaccuracy or misprint of such information, rohm shall bear no responsibility for such damage. the technical information specied herein is intended only to show the typical functions of and examples of application circuits for the produc ts. rohm does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by rohm and other parties. rohm shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. the products specied in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, ofce-automation equipment, commu- nication devices, electronic appliances and amusement devices). the products specied in this document are not designed to be radiation tolerant. while rohm always makes efforts to enhance the quality and reliability of its products, a product may fail or malfunction for a variety of reasons. please be sure to implement in your equipment using the products safety measures to guard against the possibility of physical injury, re or any other damage caused in the event of the failure of any product, such as derating, redundancy, re control and fail-safe designs. rohm shall bear no responsibility whatsoever for your use of any product outside of the prescribed scope or not in accordance with the instruction manual. the products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel- controller or other safety device). rohm shall bear no responsibility in any way for use of any of the products for the above special purposes. if a product is intended to be used for any such special purpose, please contact a rohm sales representative before purchasing. if you intend to export or ship overseas any product or technology specied herein that may be controlled under the foreign exchange and the foreign trade law, you will be required to obtain a license or permit under the law.

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