52504 jo im no.7461-1/4 LV8210W overview the LV8210W is a dvd-rom system motor driver. features ? bi-cdmos spindle motor driver ? pwm sensorless ? built-in short brake ? v-type control amplifier ? actuator with anti reverse circuit actuator ? dwm btl 3ch built-in specifications absolute maximum ratings at ta = 25 c parameter symbol conditions ratings unit power supply voltage v cc max 6v output block power supply voltage vs max 6v predrive voltage (gate voltage) vg max 10 v output current i o max 1.0 a allowable power dissipation pd max independent ic 0.45 w operating temperature topr -30 to +85 c storage temperature tstg -55 to +150 c recommended operating conditions at ta = 25 c parameter symbol conditions ratings unit power supply voltage v cc 4.5 to 5.5 v output block power supply voltage vs 0 to v cc v predrive voltage (gate voltage) vg vs+3.5 to 9.8 v ordering number : enn*7461 bi-cmos ic a spindle + cd-rom actuator
LV8210W no.7461-2/4 electrical characteristics at ta = 25 c, v cc = 5v ratings parameter symbol conditions min typ max unit power supply current 1 i cc 1 s/s pin h mute pin l 4.5 6.0 ma power supply current 2 i cc 2 s/s pin h mute pin h 9.0 11.5 ma power supply current 3 i cc 3 s/s pin l (in standby mode) 20 a [charge pump output] output voltage vcp 9.5 9.8 v [internal oscillation circuit] internal oscillation frequenc y fclk 3.2 4.0 mhz [overheat protection circuit] thermal protection circuit operating temperature tsd *design target 150 180 c temperature hysteresis width ? tsd *design target 40 c actuator block [control] output offset voltage vofs vcref = vctl = 1.65v -60 +60 mv [actuator input pin] input voltage range v in vcref = 1.65v 0 v cc v [current feedback output pin] source iso 45 50 65 a sink isi 45 50 65 a [output side] focus output on resistance ron1,2 i o = 0.5a sum of upper and lower outputs 1.5 1.8 ? sled output on resistance ron3 i o = 0.5a sum of upper and lower outputs 1.0 1.3 ? [internal oscillation circuit (triangular wave)] oscillation frequency f vcref = 1.65v 200 240 270 khz spindle motor driver [output block] source1 ron (h1) i o = 0.5a, vs = 5v, vg = 9.5v forward tr 0.25 0.40 ? sink ron (l) i o = 0.5a, vs = 5v, vg = 9.5v 0.25 0.40 ? source+sink ron (h+l) i o = 0.5a, vs = 5v, vg = 9.5v 0.5 0.80 ? position detection comparator input offset voltage 1 vofs1-1 *design target, v cc = 5.0v, vcom = 2.5v -5 5 mv [control] vcref input voltage range vcref 1.55 1.65 1.75 v vctl input voltage range vctl 0 v cc v [current control circuit] forward rotation drive gain gdf+ 0.20 0.25 0.30 times reverse rotation drive gain gdf- -0.30 -0.25 -0.20 times dead zone width vdz 110 150 190 mv limiter voltage vrf 0.20 0.30 v [vco pin] vco "h" level voltage vcoh 0.9 1.0 1.1 v vco "l" level voltage vcol 0.4 0.5 0.6 v [s/s pin] "h" level input voltage range vssh start 2.7 v cc v "l" level input voltage range vssl stop 0 0.6 v [brk sel pin] "h" level input voltage range vbrh short brake 2.7 v cc v "l" level input voltage range vbrl reverse torque brake 0 0.6 v [fg1 output, fg3 output pin] "l" level output voltage vfgl i o = 0.5ma 0 0.5 v * design target value and no measurement is performed. continued on next page.
LV8210W no.7461-3/4 continued from precceding page. ratings parameter symbol conditions min typ max unit [amplifier block] input offset voltage vioer -10 10 mv input bias current iber -1.0 1.0 a common phase input voltage range vercm 0 v cc -1.0 v output "h" level voltage veroh iero = -350 a v cc -0.5 v output "l" level voltage verol iero = 350 a 0.5 v package dimensions unit : mm 3163b
LV8210W no.7461-4/4 pin layout diagram ps LV8210W nc 44 45 46 47 48 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 17 16 15 14 13 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 pgnd3 out3 r vs3 mute br k s/s cf1 in1 cf2 in2 sgnd cf3 in3 eo ei- ei+ vcref vctl tgnd vcoin rmin rmax vco comin fil fg3 fg1 v cc vg cpc cp com vs rf2 rf1 uout vout wout out1f vs1 pgnd1 out1r out2f pgnd2 vs2 out2r out3f top view
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