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product structure silicon monolithic integrated circuit this product is not designed prot ection against radioactive rays. 1/15 ? 2015 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 14 ? 001 tsz02201-0p1p0b800260-1-2 19.nov.2012 rev.001 system lsis for blu-ray drive system motor driver ic for half height drive(sensor less) BD7763EFV general description BD7763EFV are 9ch system motor driver ics, developed for the spindle motor, actuator coil, stepping motor, sa stepping motor and the loading motor drive of the blu-ray drive. since spindle driver adopts sensor less drive system and the hall sensor (3 pieces) of the motor position detection is not needed, it is suitable for making of flexible cable conserve wiring and the reductions of external parts. the actuator, loading driver, the spindle, stepping, and sa stepping use power mosfet to reduce power consumption. package(s) htssop-b54 18.5mm x 9.5mm x 1.0mm applications ? for blu-ray drive features ? the hall sensor is not needed by 3-phase sensor less drive system. ? the spindle motor driver achieves stability high speed start by rohm's own energizing method. ? spindle, stepping and sa stepping achieve high efficiency drive by pwm contro l driver. the actuator is able to reduce power consumption by using pwm drive system. ? the loading adopts forward/reverse-rotation drive system. ? on/off of loading and other channels, brake mode of spindle driver, and stand-by mode are selectable by the two control terminals. ? built-in thermal-shut down circuit. ? improved heat radiation efficiency utilizing lm-type htssop package with good thermal conductivity. typical application circuit(s) 12v m 1000pf stm stm dvcc 12v 5v 12v or 5v 3.3v 10k 12v r1 r2 16 14 39 41 42 43 27 26 25 24 22 21 20 19 18 17 11 10 9 8 7 6 5 4 3 2 1 44 45 46 47 48 49 50 51 52 53 54 28 29 30 31 32 33 34 35 36 37 38 40 15 13 12 23 mtr_r c_out c_com ctl1 ctl2 spin ldin ldvm ldo+ ldo- tko+ tko- fco2+ fco2- agnd fco1- fco1+ fc2in tkin fc1in avm vc vcc sadet dvcc splim fg gnd w spgnd v u slvm sao2- sao2+ sao1- sao1+ sl/sagnd slo2- slo2+ slo1- slo1+ sldetout sldet savm slin2 slin1 sain2 sain1 spvm com t.s.d bemf detecter logic curr. feed level shift curr. limit pre logic pre logic ff ff osc osc curr. limit curr.feed curr.feed level shift level shift detecter stby brake control pull detecter sw pre logic pre logic pre logic pre logic nf amp nf amp nf amp sw sadetout fc1 ctl fc2 ctl level shift protect pre logic amp pre logic amp osc osc osc osc osc osc pull_ctl pull_bias 5v 5v 10k 10k rdet
2/15 datasheet d a t a s h e e t BD7763EFV ? 2015 rohm co., ltd. all rights reserved. tsz02201-0p1p0b800260-1-2 19.nov.2012 rev.001 www.rohm.com tsz22111 ? 15 ? 001 pin description(s) no. symbol description no. symbol description 1 dvcc pwm block control power supply 28 splim adjustable resistor connection for spindle driver current limit 2 sadet sa motor detection signal control input 29 mtr_r motor start pattern adjustment terminal 3 vcc pre block power supply 30 gnd pre block ground 4 vc reference voltage input 31 spvm spindle driver power supply 5 avm actuator driver block power supply 32 com motor coil center point input 6 tkin tracking driver input 33 w spindle driver output w 7 fc2in focus 2 driver input 34 v spindle driver output v 8 fc1in focus 1 driver input 35 u spindle driver output u 9 fco1+ focus 1 driver positive output 36 spgnd spindle driver power ground 10 fco1- focus 1 driver negative output 37 sadetout sa motor detection signal output 11 fco2- focus 2 driver negative output 38 slvm sled motor driver power supply 12 fco2+ focus 2 driver positive output 39 slo2- sled driver 2 negative output 13 tko- tracking driver negative output 40 slo2+ sled driver 2 positive output 14 tko+ tracking driver positive output 41 slo1- sled driver 1 negative output 15 agnd actuator/loadi ng driver power ground 42 slo1+ sled driver 1 positive output 16 ldo- loading driver negative output 43 sl/sagnd sled/sa driver block pre and power ground 17 ldo+ loading driver positive output 44 sao2- sa driver 2 negative output 18 ldvm loading driver block power supply 45 sao2+ sa driver 2 positive output 19 ldin loading driver input 46 sao1- sa driver 1 negative output 20 spin spindle driver input 47 sao1+ sa driver 1 positive output 21 pull_bias pick-up pull current control terminal 48 sldetout sled motor detection signal output 22 pull_ctl pick-up pull control terminal 49 sldet sled motor detection signal control input 23 ctl2 driver logic control 2 input 50 savm sa driver power block power supply 24 ctl1 driver logic control 1 input 51 slin1 sled driver 1 input 25 fg frequency generator output 52 slin2 sled driver 2 input 26 c_com smooth capacitor connection terminal (com side) 53 sain1 sa driver 1 input 27 c_out smooth capacitor connection terminal (output side) 54 sain2 sa driver 2 input *positive/negative of the out put terminals is determined in referenc e to those of the input terminals.
3/15 datasheet d a t a s h e e t BD7763EFV ? 2015 rohm co., ltd. all rights reserved. tsz02201-0p1p0b800260-1-2 19.nov.2012 rev.001 www.rohm.com tsz22111 ? 15 ? 001 block diagram(s) 16 14 39 41 42 43 27 26 25 24 22 21 20 19 18 17 11 10 9 8 7 6 5 4 3 2 1 44 45 46 47 48 49 50 51 52 53 54 28 29 30 31 32 33 34 35 36 37 38 40 15 13 12 23 mtr_r c_out c_com ctl1 ctl2 spin ldin ldvm ldo+ ldo- tko+ tko- fco2+ fco2- agnd fco1- fco1+ fc2in tkin fc1in avm vc vcc sadet dvcc splim fg gnd w spgnd v u slvm sao2- sao2+ sao1- sao1+ sl/sagnd slo2- slo2+ slo1- slo1+ sldetout sldet savm slin2 slin1 sain2 sain1 spvm com t.s.d bemf detecter logic curr. feed level shift curr. limit pre logic pre logic ff ff osc osc curr. limit curr.feed curr.feed level shift level shift detecter stby brake control pull detecter sw pre logic pre logic pre logic pre logic nf amp nf amp nf amp sw sadetout fc1 ctl fc2 ctl level shift protect pre logic amp pre logic amp osc osc osc osc osc osc pull_ctl pull_bias
4/15 datasheet d a t a s h e e t BD7763EFV ? 2015 rohm co., ltd. all rights reserved. tsz02201-0p1p0b800260-1-2 19.nov.2012 rev.001 www.rohm.com tsz22111 ? 15 ? 001 absolute maximum ratings parameter symbol limits unit power mos power supply voltage 1 spvm slvm ldvm 15 ? 1 v power mos power supply voltage 2 savm avm 7 ? 2 v pre block power supply voltage vcc 15 v pwm control block power supply voltage dvcc 7 v power dissipation pd 2.00 ? 3 w operating temperature range topr -20 75 storage temperature ts t g - 5 5 150 junction temperature tjmax 150 ? 1 power mos output terminals (16~17pin, 39~42pin, 33~35pin) are contained. ? 2 power mos output terminals (9~14pin,44~47pin) are contained. ? 3 pcb mounting (70mmx70mmx1.6mm, occupied copper fo il is less than 3%, glass epoxy standard board). reduce by 16mw/ over 25 recommended operating rating(s) parameter symbol min. typ. max. unit spindle / sled motor driver power block power supply voltage spvm slvm vcc ? 4 v pre block power supply voltage vcc 10.8 12 13.2 v loading driver pre block / power block supply voltage ldvm 4.3 5.0 vcc v sa, actuator driver power block power supply voltage savm avm 4.3 5.0 5.5 v pwm control block power supply voltage dvcc 4.3 5.0 5.5 v spindle driver output current iosp 1.0 2.5 ? 5 a actuator, sa, sled, loading motor driver output current ioo 0.5 0.8 a ? 4 set the same supply voltage to spvm, slvm and vcc. ? 5 the current is guaranteed 3.5a in case of the short-circuit braking mode and the current which is turned on/off in a duty-ratio of less than 1/10 with a maximum on-time of 5msec.
5/15 datasheet d a t a s h e e t BD7763EFV ? 2015 rohm co., ltd. all rights reserved. tsz02201-0p1p0b800260-1-2 19.nov.2012 rev.001 www.rohm.com tsz22111 ? 15 ? 001 electrical characteristic(s) unless otherwise noted, ta=25 vcc=spvm=slvm=12v dvcc=avm=savm= ldvm=5v vc=1.65v rl=8 ? rlsp=2 ? rdet=0.33 ? parameter symbol min. typ. max. unit condition circuit current quiescent current 1 iq1 4.3 13 ma vcc at loading off quiescent current 2 iq2 4.4 13 ma vcc at loading on quiescent current 3 iq3 14 42 ma dvcc standby-on current 1 ist1 2.2 5 ma vcc standby-on current 2 ist2 1.5 4 ma dvcc sled driver block input dead zone (one side) vdzsl 0 30 80 mv input output gain gmsl 0.86 1.15 1.44 a/v output on resistor (top and bottom) ronsl 2.2 3.3 ? il=500ma output limit current ilimsl 0.8 1.1 1.4 a pwm frequency foscsl 100 khz spindle driver block torque instruction input / output input dead zone (one side) vdzsp 20 55 90 mv input output gain gmsp 0.86 1.15 1.44 a/v output on resistor (top and bottom) ronsp 1.0 1.7 ? il=500ma output limit current ilimsp 0.88 1.04 1.20 a rsplim=5.6k ? pwm frequency foscsp 167 khz fg output, sldetout out put sadetout output high voltage voh 2.3 3.2 v 10k ? pull up to 3.3v low voltage vol 0.15 0.3 v focus 1 / focus 2 / tracking driver block output offset voltage vofact -50 0 50 mv output on resistor (top and bottom) ronact 1.5 2.5 ? il=500ma voltage gain gvact 15.7 17.5 19.3 db relative gain difference (fc1,fc2) gvfc -1.0 0 1.0 db between positive outputs and between negative outputs pwm frequency foscact 200 280 360 khz sa stepping driver block input dead zone (one side) vdzsa 10 40 80 mv input output gain gvsa 15.5 17.5 19.5 db output on resistor (top and bottom) ronsa 1.3 2.5 ? il=200ma pwm frequency foscsa 200 300 400 khz loading driver block input threshold voltage (in>vc vofld+ 2.16 2.475 2.79 v input threshold voltage in 6/15 datasheet d a t a s h e e t BD7763EFV ? 2015 rohm co., ltd. all rights reserved. tsz02201-0p1p0b800260-1-2 19.nov.2012 rev.001 www.rohm.com tsz22111 ? 15 ? 001 functional description 1-1. driver logic control terminal 1and 2 (ctl1,2) all drivers and spindle-drive braking modes can be switched on/off by inputti ng combinations of h-level signal (higher than 2.7v and lower than 3.7v), l-level(open) signal (lower than 0.5v) and m-level signal (higher than 1.4v and lower than 2.0v). driver on/off logic table mode ctl1 ctl2 sp sl(2ch) act(3ch) sa(2ch) loadin g l l h l m l inner detection inner detection l h h :on :off m h inner detection l h m m m inner detection stand-by mode the ic is brought into stand-by mode, and its power dissipation can be limited. drivers muting all output channels, except the loading, are muted and their outputs are turned off. sl/sa inner detection mode loading off mode sa inner detection mode sa mute mode sl inner detection mode spindle braking mode table mode ctl1 ctl2 spin vc spin vc m m h forward-rotation mode reverse-rotation braking mode l m h short-circuit braking mode h m h reverse-rotation braking mode reverse-rotation braking mode (spindle) when spin < vc, all outputs are s horted to spvm in 4500rpm (typ.) or more. in less than 4500rpm (typ.), the outputs become reverse-rotation braking mode. rotation speed is less than 140rpm when spin < vc, all outputs are shorted to spvm. (however, the above-mentioned rotational speed is expressed in the case of 12pole motor.) short-circuit braking mode (spindle) all spindle driver outputs are shorted to spvm when spin < vc. 1-2 spindle output mode the spindle output changes as follows by the setting of spin. rotation speed 0rpm 400rpm 4500rpm spin vc 120 energizing 150 energizing spin vc 120 energizing 150 energizing short brake
7/15 datasheet d a t a s h e e t BD7763EFV ? 2015 rohm co., ltd. all rights reserved. tsz02201-0p1p0b800260-1-2 19.nov.2012 rev.001 www.rohm.com tsz22111 ? 15 ? 001 2 output limit for spindle (splim) a=3844 3 torque command (spin) (slin1,2) torque command inputs vs. peak current value iop of io sp or ioo is expressed in the figure below: the gain is defined by the inclination between two points. (please exclude the dead zone from t he input voltage when calculating iop. ) 4 fg output (fg) 3fg output begins after 900degrees in electric angle, afte r the start mode ends and the bemf detection starts. when the rotational speed becomes 24rpm (max.) or less in case of brake, the fg output is fixed to high. the above-mentioned rotation speed applies to the 12 pole motor. vc iop spin slin1,2 forward rotation input dead zone - input dead zone + gain ilimsp = a (rsplim[ ] + 5600)(r det )[ ] [a]
8/15 datasheet d a t a s h e e t BD7763EFV ? 2015 rohm co., ltd. all rights reserved. tsz02201-0p1p0b800260-1-2 19.nov.2012 rev.001 www.rohm.com tsz22111 ? 15 ? 001 5 input/output timing chart 6 motor start pattern adju stment terminal (mtr_r) there are eight pattern setting of mtr_r. the voltage change can be canceled by connecting the power supply of external resistance r1 and r2 with dvcc. it is as follows of energizing time and a set voltage of mtr_r. please decide a set pattern by the adjustment with the spindle motor. pattern energizi ng time [us] mtr_r setting voltage[v] r1 r2 1 14 4.24 10k 56k 2 17 5 10k open 3 24 3.75 10k 30k 4 34 3.24 12k 22k 5 48 2.75 18k 22k 6 68 0 open 10k 7 92 2.22 15k 12k 8 126 1.76 22k 12k the mtr_r setting voltage is a value in dvcc=5v. 7 pick-up lens pull function pull_ctl function l on h normal (function:off) focus 1 and the focus2 load are driven by the charge of the electrolytic capacitor connected with vcc (3pin). the load drive current flows as follows. fco1-(10pin) fco1+(9pin) fco2-(11pin) fco2+(12pin) the load drive current and time can be adjusted accord ing to the voltage of vcc(3pin) and pull_bias(21pin). after 30 ms(typ.) when pull_ctl is made l, the fet gate voltage is clamped to 1.67v(typ.). the above-mentioned clamping function does not work when the dvcc drop-muting operates. please turn off this function by pull_ctl=h when you use the driver usually. ) forward-rotation mode ) reverse-rotation braking mode ) short-circuit braking mode bemfu bemfv bemfw vc spin mid source sink u mid source sink v mid source sink w dvcc r1 r2 mtr_r
9/15 datasheet d a t a s h e e t BD7763EFV ? 2015 rohm co., ltd. all rights reserved. tsz02201-0p1p0b800260-1-2 19.nov.2012 rev.001 www.rohm.com tsz22111 ? 15 ? 001 8 inner detection function sled bemf of the motor is monitored according to timing for the sled input signal of micro step drive to pass vc, and sled is detected reaching the inner. the judgment voltage of bemf can be set according to the voltage input to the sldet. if bemf below the judgment voltage is detected twice continuously, it becomes sldetout=l. when the motor starts, the sldetout might become l because bemf is unstable. please take measures such as installing the time of the mask when it st arts for the detection prevention. judgment voltage vbemf[v] = 0.62 (sldet[v] ? vc[v]) + 0.66 sa bemf of the motor is monitored according to timing for sa input signal of two aspect excitation drive to pass vc, and sa is detected reaching the inner. the judgment volta ge of bemf can be set according to the voltage input to the sadet. if bemf below the judgment voltage is det ected once, it becomes sad etout=l. when the motor starts, the sadetout might become l because bemf is unst able. please take measures such as installing the time of the mask when it starts for the detection prevention. judgment voltage vbemf[mv] = 31.6 sadet[v] + 3.4 9 pwm oscillation frequency the pwm oscillation for driving the spindle and sled is free running. the sled oscillating frequency is 100khz (typ.) the spindle oscillating frequency is 167khz (typ.) 10 muting functions a vc-drop muting when the vc voltage drops to a value lower than 0.7v (typ.) or higher than 2.5v(typ.), the outputs of all the channels are turned off. please set the voltage of the vc from 1.0 to 2.0v. b vcc-drop muting when the voltage at dvcc terminal and vcc terminal drop to lower than 3.85v (typ.), the outputs of all the channels are turned off. c over voltage protection circuit when the voltage at spvm terminal exceed 14.1v (typ .), only the spindle block output is turned off.
10/15 datasheet d a t a s h e e t BD7763EFV ? 2015 rohm co., ltd. all rights reserved. tsz02201-0p1p0b800260-1-2 19.nov.2012 rev.001 www.rohm.com tsz22111 ? 15 ? 001 11 protect system load protection function if full drive continues 130ms(typ.) to protect focus, tracking, and tilt coil, this function protects ic by turning off actuator output. the protection function can be reset by ctl1,2= l(stand-by mode), when the protection function operates and the output is turned off. 12 protect system 2 (connecting to vcc or gnd) this function is to protect output power tr wh en the driver output connects to vcc or gnd. spindle,sled,actuator,sa when sink side power tr has been turned on, if the output voltage (spvm/2&slvm/2&avm/2&savm/2 or more) is detec ted, the channel concerned will be turned off. when source side power transistor has been turned on, if the output voltage (spvm/2&slvm/2&avm/2&savm/2 or less) is detec ted, the channel concer ned will be turned off 13. protection system 3 over voltage input protection function when detecting ldin and slin1 input voltage more than dvcc 0.9 typ , this function protects motor by turning off the output. if protection function operates and output is turned off, protection function can be reset by ctl1 2 l(stand by mode) 14 thermal-shut down thermal-shutdown circuit (over-temperature protection ci rcuit) is built in to prevent the ic from thermal breakdown. use the ic according to the thermal loss allowed in the package. in case the ic is left running over the allowed loss, the junction temperature rises, and the th ermal-shutdown circuit works at a junction temperature of 175 (typ.) (the outputs of all the channels are turned off.). when the junction temperature drops to 150 (typ.), the ic resumes operation.
11/15 datasheet d a t a s h e e t BD7763EFV ? 2015 rohm co., ltd. all rights reserved. tsz02201-0p1p0b800260-1-2 19.nov.2012 rev.001 www.rohm.com tsz22111 ? 15 ? 001 i/o equivalence circuit bemf voltage detection input three-phase motor driver output pwm driver output ( sled1,2) 38 39 41 40 42 43 pwm driver output ( sa1,2) pwm driver output ( fc,tk,tl) pwm driver output ( ld) pwm driver input ( fc,tk,tl) pwm driver input ( sp) pwm driver input ( sled1,2) pwm driver input ( sa1,2) pwm driver input ( ld) 200 51 52 1pin 30pin 200 20 1pin 30pin 19 3pin 30pin 31 33 34 35 36 27 26 32 30pin 5k 5k 10k 5k 3pin 10k 45 47 44 46 245k 245k 25k 100k 100k 10k 11 13 10 12 14 9 7 6 1pin 150k 30pin 150k 18 16 17 15 54 53 1pin 50k 30pin 50k 400k 200 8 50k 50 43 15 5 25k 10k
12/15 datasheet d a t a s h e e t BD7763EFV ? 2015 rohm co., ltd. all rights reserved. tsz02201-0p1p0b800260-1-2 19.nov.2012 rev.001 www.rohm.com tsz22111 ? 15 ? 001 sadetout signal output sled inner detection input(sldet) reference voltage input vc) motor start pattern adjustment terminal mtr-r) driver logic control 2 input ctl1,ctl2 49 10k 10k 3pin 30pin 30 38pin 37 43pin sldetout signal output 30 1pin 48 30pin 3pin 30pin 40k 10k 200 3 23 24 3pin 30pin 100k 50k 20k 175k 20k 235k 50k 42k 29 1pin 30pin spindle driver current limit (splim) 10k 21 3pin 30pin 2 20k 220k pick-up pull current control terminal (pull_bias) 2 3pin 30pin 10k sa inner detection input (sadet) 4 22 3pin 30pin 50k 50k 20k 175k 20k 235k 50k 50k pick-up pull control terminal (pull_ctl) 46k fg signal output 30 3pin 25 30pin 2 50k 7 28 3pin 30pin 5.6k
13/15 datasheet d a t a s h e e t BD7763EFV ? 2015 rohm co., ltd. all rights reserved. tsz02201-0p1p0b800260-1-2 19.nov.2012 rev.001 www.rohm.com tsz22111 ? 15 ? 001 operational notes 1 absolute maximum ratings we are careful enough for quality control about this ic. so, there is no problem under normal operation, excluding that it exce eds the absolute maximum ratings. however, this ic might be destroyed when the absolute maximu m ratings, such as impressed voltages (vc c, vm) or the operating temperature range(topr), is exceeded, and wh ether the destruction is short circuit mode or open circuit mo de cannot be specified. please take into consi deration the physical counterm easures for safety, such as fusing, if a particular mo de that exceeds the absolute maximum rating is assumed. 2 power supply line due to switching and emi noise generated by magnetic components (i nductors and motors), using el ectrolytic and ceramic suppress filter capacitors(0.1 f) close to the ic power input terminals (vcc and gnd) is recommended. please note: the electrolytic capacitor value decreases at lower temperatures. current rush might flow momentarily by the order of turning on t he power supply and the delay in ic with two or more power supp lies. note the capacity of the power supply coupling, width and drawing the power supply and the gnd pattern wiring. please make the power supply lines (where large current flow) wide enough to reduce the resistance of the power supply patterns , because the resistance of power supply pattern might infl uence the usual operation (output dynamic range etc?). 3 gnd line the ground line is where the lowest potential and transient voltages are connected to the ic. 4 thermal design do not exceed the power dissipation (pd) of the package spec ification rating under actual operation, and please design enough temperature margins. 5 short circuit mode between terminals and wrong mounting do not mount the ic in the wrong direction and be careful about the reverse-connection of the powe r connector. moreover, this i c might be destroyed when the dust short the terminals between them or gnd 6 radiation strong electromagnetic radiati on can cause operation failures. 7 aso(area of safety operation.) do not exceed the maximum aso and the absolut e maximum ratings of the output driver. 8 tsd(thermal shut-down) the tsd is activated when the junc tion temperature (tj) reaches 175 (with 25 hysteresis), and the output terminal is switched to hi-z. the tsd circuit aims to in tercept ic from high temperature. the guarantee and protection of ic are not purpose. therefore , please do not use this ic after tsd ci rcuit operates, nor use it for assump tion that operates the tsd circuit. 9 inspection by the set circuit board the stress might hang to ic by connecting the capacitor to the terminal with low impedance. th en, please discharge electricity in each and all process. moreover, in the inspecti on process, please turn off the power before mounting the ic, and turn on after mount ing the ic. in addition, please take into considerat ion the countermeasures for electrostatic damage, such as giving the earth in assem bly process, transportation or preservation.
14/15 datasheet d a t a s h e e t BD7763EFV ? 2015 rohm co., ltd. all rights reserved. tsz02201-0p1p0b800260-1-2 19.nov.2012 rev.001 www.rohm.com tsz22111 ? 15 ? 001 10 earth wiring pattern this ic is a monolithic ic, and has p + isolation and p substrate for the element separation. therefore, a parasitic pn junction is firmed in this p-layer and n-layer of each element. for instance, the re sistor or the transistor is c onnected to the terminal as shown in the figure below. when the gnd voltage potential is greater than the vo ltage potential at terminals a or b, the pn junction operate s as a parasitic diode. in addition, the parasitic npn transistor is formed in said parasi tic diode and the n layer of surrounding ele ments close to said parasitic diode. these parasitic elements are formed in the ic because of the voltage relation. the parasitic element o perating causes the wrong operation and destr uction. therefore, please be careful so as not to operate the parasitic elements by impress ing to input terminals lower voltage than gnd(p substrate). please do not apply the voltage to the input terminal when the power-suppl y voltage is not impressed. moreover, please impress each input term inal lower than the power-supply voltage or equal to the spec ified range in the guaranteed voltage when the power-supply voltage is impressing. simplified structure of ic 11 earth wiring pattern use separate ground lines for control signals and high current powe r driver outputs. because these high current outputs that fl ows to the wire impedance changes the gnd voltage for control signal. theref ore, each ground terminal of ic must be connected at the o ne point on the set circuit board. as for gnd of extern al parts, it is similar to the above-mentioned. 12 reverse-rotation braking in the case of reverse-rotation braking fr om high speed rotation, pay good attention to reverse electromotive force. furthermor e, fully check the voltage to be applied to the output terminal and consi der the revolutions applied to the reverse-rotation brake. 13 about the capacitor between spvm and spgnd the capacitor between spvm and spgnd absorbs the change in a steep voltage and the current because of the pwm drive, as a result, there is a role to suppress the disorder of the spvm vo ltage. however, the effect falls by the influence of the wiring impedance etc, if the capacitor becomes far from ic. please examine the capacitor between spvm and spgnd to arrange it near ic. 14 about wiring between spvm and rnf please be careful about the wiring resistor for power supply terminal (current detect terminal) of spindle. detect resistor sho uld be connected by being shorted to t he ic as near as possible. status of this document the japanese version of this document is formal specification. a customer may use this translation version only for a reference to help reading the formal version. if there are any differences in translation version of this document formal version takes priority vcc rdet 12v + spvm 31 3 nearest to the ic this area is considered as detect resistor. please make wiring thick and short.
15/15 datasheet d a t a s h e e t BD7763EFV ? 2015 rohm co., ltd. all rights reserved. tsz02201-0p1p0b800260-1-2 19.nov.2012 rev.001 www.rohm.com tsz22111 ? 15 ? 001 power dissipation ordering information b d 7 7 6 3 e f v e 2 part number package efv: htssop-b54 packaging and forming specification e2: embossed tape and reel physical dimension tape and reel information power dissipation : pd (w) 25 50 75 100 125 150 0 ambient temperature : ta ( ) 2.0 1.0 (unit : mm) htssop-b54 0.85 0.05 0.08 0.05 0.65 1.0max 0.22 +0.05 - 0.04 0.08 m s 0.08 54 28 27 1 18.5 0.1 (5.0) (6.0) 9.5 0.2 7.5 0.1 0.8 (max 18.85 include burr) 1pin mark 0.5 0.15 1.0 0.2 0.17 +0.05 - 0.03 s 4 + 6 ? 4 product no. BD7763EFV lot no. tape quantiy direction of feed embossed carrier tape (with dry pack) 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 1pin reel
datasheet d a t a s h e e t notice-pga-e rev.001 ? 2015 rohm co., ltd. all rights reserved. notice precaution on using rohm products 1. our products are designed and manufac tured for application in ordinary elec tronic equipments (such as av equipment, oa equipment, telecommunication equipment, home electroni c appliances, amusement equipment, etc.). if you intend to use our products in devices requiring ex tremely high reliability (such as medical equipment (note 1) , transport equipment, traffic equipment, aircraft/spacecra ft, nuclear power controllers, fuel c ontrollers, car equipment including car accessories, safety devices, etc.) and whose malfunction or failure may cause loss of human life, bodily injury or serious damage to property (?specific applications?), please consult with the rohm sale s representative in advance. unless otherwise agreed in writing by rohm in advance, ro hm shall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of any ro hm?s products for specific applications. (note1) medical equipment classification of the specific applications japan usa eu china class class class b class class class 2. rohm designs and manufactures its products subject to strict quality control system. however, semiconductor products can fail or malfunction at a certain rate. please be sure to implement, at your own responsibilities, adequate safety measures including but not limited to fail-safe desi gn against the physical injury, damage to any property, which a failure or malfunction of our products may cause. the following are examples of safety measures: [a] installation of protection circuits or other protective devices to improve system safety [b] installation of redundant circuits to reduce the impact of single or multiple circuit failure 3. our products are designed and manufactured for use under standard conditions and not under any special or extraordinary environments or conditio ns, as exemplified below. accordin gly, rohm shall not be in any way responsible or liable for any damages, expenses or losses arising from the use of an y rohm?s products under any special or extraordinary environments or conditions. if you intend to use our products under any special or extraordinary environments or conditions (as exemplified bel ow), your independent verification and confirmation of product performance, reliability, etc, prior to use, must be necessary: [a] use of our products in any types of liquid, incl uding water, oils, chemicals, and organic solvents [b] use of our products outdoors or in places where the products are exposed to direct sunlight or dust [c] use of our products in places where the products ar e exposed to sea wind or corrosive gases, including cl 2 , h 2 s, nh 3 , so 2 , and no 2 [d] use of our products in places where the products are exposed to static electricity or electromagnetic waves [e] use of our products in proximity to heat-producing components, plastic cords, or other flammable items [f] sealing or coating our products with resin or other coating materials [g] use of our products without cleaning residue of flux (ev en if you use no-clean type fluxes, cleaning residue of flux is recommended); or washing our products by using water or water-soluble cleaning agents for cleaning residue after soldering [h] use of the products in places subject to dew condensation 4. the products are not subjec t to radiation-proof design. 5. please verify and confirm characteristics of the final or mounted products in using the products. 6. in particular, if a transient load (a large amount of load applied in a short per iod of time, such as pulse. is applied, confirmation of performance characteristics after on-boar d mounting is strongly recomm ended. avoid applying power exceeding normal rated power; exceeding the power rating under steady-state loading c ondition may negatively affect product performance and reliability. 7. de-rate power dissipation (pd) depending on ambient temper ature (ta). when used in seal ed area, confirm the actual ambient temperature. 8. confirm that operation temperat ure is within the specified range descr ibed in the product specification. 9. rohm shall not be in any way responsible or liable for fa ilure induced under deviant condi tion from what is defined in this document. precaution for mounting / circuit board design 1. when a highly active halogenous (chlori ne, bromine, etc.) flux is used, the resi due of flux may negatively affect product performance and reliability. 2. in principle, the reflow soldering method must be us ed on a surface-mount products, the flow soldering method must be used on a through hole mount products. if the flow sol dering method is preferred on a surface-mount products, please consult with the rohm representative in advance. for details, please refer to rohm mounting specification
datasheet d a t a s h e e t notice-pga-e rev.001 ? 2015 rohm co., ltd. all rights reserved. precautions regarding application examples and external circuits 1. if change is made to the constant of an external circuit, pl ease allow a sufficient margin c onsidering variations of the characteristics of the products and external components, including transient characteri stics, as well as static characteristics. 2. you agree that application notes, re ference designs, and associated data and in formation contained in this document are presented only as guidance for products use. theref ore, in case you use such information, you are solely responsible for it and you must exercise your own indepen dent verification and judgment in the use of such information contained in this document. rohm shall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of such information. precaution for electrostatic this product is electrostatic sensitive product, which may be damaged due to electrostatic discharge. please take proper caution in your manufacturing process and storage so that voltage exceeding t he products maximum rating will not be applied to products. please take special care under dry condit ion (e.g. grounding of human body / equipment / solder iron, isolation from charged objects, se tting of ionizer, friction prevention and temperature / humidity control). precaution for storage / transportation 1. product performance and soldered connections may deteriora te if the products are stor ed in the places where: [a] the products are exposed to sea winds or corros ive gases, including cl2, h2s, nh3, so2, and no2 [b] the temperature or humidity exceeds those recommended by rohm [c] the products are exposed to di rect sunshine or condensation [d] the products are exposed to high electrostatic 2. even under rohm recommended storage c ondition, solderability of products out of recommended storage time period may be degraded. it is strongly recommended to confirm sol derability before using products of which storage time is exceeding the recommended storage time period. 3. store / transport cartons in the co rrect direction, which is indicated on a carton with a symbol. otherwise bent leads may occur due to excessive stress applied when dropping of a carton. 4. use products within the specified time after opening a hum idity barrier bag. baking is required before using products of which storage time is exceeding the recommended storage time period. precaution for product label qr code printed on rohm products label is for rohm?s internal use only. precaution for disposition when disposing products please dispose them proper ly using an authorized industry waste company. precaution for foreign exchange and foreign trade act since concerned goods might be fallen under listed items of export control prescribed by foreign exchange and foreign trade act, please consult with rohm in case of export. precaution regarding intellectual property rights 1. all information and data including but not limited to application example contain ed in this document is for reference only. rohm does not warrant that foregoi ng information or data will not infringe any intellectual property rights or any other rights of any third party regarding such information or data. 2. rohm shall not have any obligations where the claims, actions or demands arising from the co mbination of the products with other articles such as components, circui ts, systems or external equipment (including software). 3. no license, expressly or implied, is granted hereby under any intellectual property rights or other rights of rohm or any third parties with respect to the products or the informati on contained in this document. pr ovided, however, that rohm will not assert its intellectual property rights or other rights against you or your customers to the extent necessary to manufacture or sell products containing the produc ts, subject to the terms and conditions herein. other precaution 1. this document may not be reprinted or reproduced, in whol e or in part, without prior written consent of rohm. 2. the products may not be disassembled, converted, modified, reproduced or otherwise changed without prior written consent of rohm. 3. in no event shall you use in any wa y whatsoever the products and the related technical information contained in the products or this document for any military purposes, incl uding but not limited to, the development of mass-destruction weapons. 4. the proper names of companies or products described in this document are trademarks or registered trademarks of rohm, its affiliated companies or third parties.
datasheet datasheet notice ? we rev.001 ? 2015 rohm co., ltd. all rights reserved. general precaution 1. before you use our pro ducts, you are requested to care fully read this document and fully understand its contents. rohm shall n ot be in an y way responsible or liabl e for fa ilure, malfunction or acci dent arising from the use of a ny rohms products against warning, caution or note contained in this document. 2. all information contained in this docume nt is current as of the issuing date and subj ec t to change without any prior notice. before purchasing or using rohms products, please confirm the la test information with a rohm sale s representative. 3. the information contained in this doc ument is provi ded on an as is basis and rohm does not warrant that all information contained in this document is accurate an d/or error-free. rohm shall not be in an y way responsible or liable for an y damages, expenses or losses incurred b y you or third parties resulting from inaccur acy or errors of or concerning such information.
datasheet part number BD7763EFV package htssop-b54 unit quantity 1500 minimum package quantity 1500 packing type taping constitution materials list inquiry rohs yes BD7763EFV - web page distribution inventory

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