TDA5147K Datasheet, PDF (4/32 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
Product specification
TDA5147K
handbook, full pagewidth
BSTCP1
25
VCCS
BSTCP2
21
BSTFLT 20
UPPER
BOOSTER
to the VCM
output stages
SPWMTC
15
PWM/LIN
lcomp
PWM
U.H
U.H
SCNTL1 10
U.H
V.H
THERMAL
SCNTL2 11
LOGIC
V.L
SWITCH
U.L
DECODER _W.H
SCNTL3 14
W.L
brake
disable
V.H
VCCA1
SMODE1 3
VCCA1
SCOMP 23
M
COMP
PWM/LIN
Iset
Isense
V.L
W.H
control
amplifier
W.L
SIPWM 30
SPWMFLT 26
PWM
DECODER
FILTER
Vref
Iset
TDA5147K
from POR block
VCCS
19 SHPWR3
51 _SHPWR2
disable
DRIVER
disable
DRIVER
brake
disable
DRIVER
disable
DRIVER
brake
disable
DRIVER
disable
DRIVER
brake
24 _SDRVU
29 _SHPWR1
Cclamp
12 _SDRVV
2 _SDRVW
SISINK1, SISINK2
COMP
SDRVU
16 SDRVN
COMP
SDRVV
SISENL 32
SISENH 31
AMP
Rs
Isense
ICOMP
COMP
13
VCCS
34
50
PGND1 VCCA2
COMP
SDRUW
M
18 _SENV
17 SENU
8 SENWIS
multiplexer
9
27
SISINK2 SISINK1
45
PGND2
MBH024
Fig.2 Block diagram of spindle motor drivers.
1996 Jul 26
4