TDA5147CH 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
BLOCK DIAGRAMS
Preliminary specification
TDA5147CH
handbook, full pagewidth
VCCA12
16
POR12VADJ
CPOR
PORN
14 15
VPCNTL
50
RETADJ
35
SHPWRZ
VDD VDD
53 BRKTC
POR
DETECTOR
to spindle
section
SHPWR1
park
PARK
CIRCUITRY
autopark
SHPWR2,3
UNDER
VOLTAGE
GENERATOR
VCC5
Vref
17
POR5VADJ
TDA5147CH
disable
Vrefout
52
Vrefout
Vrefout
VCCA12
POWER AMPLIFIERS
59 VCMN
M
51 ^VCMP
Rs
60
VISENL
1
VIPWML
PWM
VIPWMH
2
DECODER
Vrefout
6, 7 54, 55, 56 3
64 49 9 4
VFLTINP
VFLTOUT
GNDSUBB GNDV
VCC1V12
VCC5
VCC2V12
47
VCMINP
SENSE
Vrefout
57 ^VISENH
61
VISENS1
MGG845
1997 Jul 09
Fig.1 Block diagram of voice coil motor driver.
4