TDA5147CH Datasheet, PDF (5/32 Pages) NXP Semiconductors – 12 V Voice Coil Motor VCM driver and spindle motor drive combination chip

Philips Semiconductors
12 V Voice Coil Motor (VCM) driver and
spindle motor drive combination chip
Preliminary specification
TDA5147CH
handbook, full pagewidth
BSTCP1
41
VCC5
BSTCP2
30
TEMP
58
BSTFLT 29
UPPER
BOOSTER
to the VCM
output
stages
lcompare
SCNTL1 20
SCNTL2 21
SCNTL3 22
LOGIC
DECODER
VCC5
SMODE1 13
VCC5
U.H
U.L
V.H _THERMAL
V.L SWITCH
W.H
W.L
brake
disable
TDA5147CH
SPWMTC
24
PWM/LIN
PWM
U.H
U.L
V.H
V.L
from PORN block
VCCS12
disable
DRIVER
disable
DRIVER
brake
disable
DRIVER
disable
DRIVER
brake
28 SHPWR3
5 _SHPWR2
39 _SDRVU
40 _SHPWR1
Cclamp
23 _SDRVV
SCOMP 37
COMP
PWM/LIN
Iset
Isense
control
amplifier
W.H
W.L
disable
DRIVER
disable
DRIVER
brake
10 _SDRVW
SIPWM 44
SPWMFLT 38
Iset
PWM
DECODER
FILTER
Vref
SISINK1, SISINK2
COMP
SDRVU
25 SDRVN
COMP
SDRVV
SISENL 46
Isense
SISENH 45
AMP
Icompare
Rsense
COMP
multiplexer
COMP
SDRVW
27 _SENV
26 SENU
18 SENWIS
19
SISINK2
42
SISINK1
6, 7
GNDSUBB
36
VCCS12
8
VCCA12
9
VCC5
54, 55, 56
GNDV
MGG844
Fig.2 Block diagram of spindle motor drivers.
1997 Jul 09
5