motor-driver
motor-driver
motor-driver
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Philips Semiconductors<br />
12 V Voice Coil Motor (VCM) <strong>driver</strong> and<br />
spindle <strong>motor</strong> drive combination chip<br />
Preliminary specification<br />
TDA5147CH<br />
handbook, full pagewidth<br />
BSTCP1<br />
BSTCP2<br />
TEMP<br />
SPWMTC<br />
41 30<br />
58<br />
24<br />
from PORN block<br />
BSTFLT<br />
29<br />
UPPER<br />
BOOSTER<br />
to the VCM<br />
output<br />
stages<br />
PWM/LIN<br />
V CCS12<br />
28<br />
SHPWR3<br />
5<br />
SHPWR2<br />
l compare<br />
PWM<br />
SCNTL1<br />
SCNTL2<br />
SCNTL3<br />
SMODE1<br />
V CC5<br />
disable<br />
U.H DRIVER<br />
U.H<br />
20<br />
U.L<br />
V.H<br />
disable<br />
THERMAL<br />
21<br />
V.L<br />
DRIVER<br />
LOGIC<br />
SWITCH<br />
U.L<br />
DECODER<br />
W.H<br />
brake<br />
22<br />
W.L<br />
brake<br />
disable<br />
disable<br />
V.H DRIVER<br />
V CC5<br />
TDA5147CH<br />
disable<br />
13<br />
V.L DRIVER<br />
V CC5<br />
brake<br />
39<br />
40<br />
23<br />
SDRVU<br />
SHPWR1<br />
C clamp<br />
SDRVV<br />
COMP<br />
PWM/LIN<br />
I set<br />
W.H<br />
disable<br />
DRIVER<br />
10<br />
SDRVW<br />
SCOMP<br />
37<br />
I sense<br />
control<br />
amplifier<br />
W.L<br />
disable<br />
DRIVER<br />
brake<br />
SISINK1, SISINK2<br />
SIPWM<br />
44<br />
PWM<br />
DECODER<br />
FILTER<br />
I set<br />
COMP<br />
SDRVU<br />
25<br />
SDRVN<br />
SPWMFLT<br />
38<br />
V ref<br />
COMP<br />
SDRVV<br />
SISENL 46<br />
SISENH 45<br />
AMP<br />
I sense<br />
I compare<br />
COMP<br />
SDRVW<br />
27 SENV<br />
COMP<br />
26 SENU<br />
18 SENWIS<br />
multiplexer<br />
19<br />
SISINK2<br />
42<br />
SISINK1<br />
R sense<br />
36<br />
6, 7<br />
GNDSUBB<br />
V CCS12 V CCA12 V CC5<br />
8 9<br />
54, 55, 56<br />
GNDV<br />
MGG844<br />
Fig.2 Block diagram of spindle <strong>motor</strong> <strong>driver</strong>s.<br />
1997 Jul 09 5
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