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TDA5147K Datasheet(PDF) 4 Page - NXP Semiconductors

Part No. TDA5147K
Description  12 V Voice Coil Motor VCM driver and spindle motor drive combination chip
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
Logo 

 
 4 page
background image
1996 Jul 26
4
Philips Semiconductors
Product speciļ¬cation
12 V Voice Coil Motor (VCM) driver and
spindle motor drive combination chip
TDA5147K
Fig.2 Block diagram of spindle motor drivers.
handbook, full pagewidth
VCCA1
disable
disable
brake
DRIVER
DRIVER
from POR block
VCCS
disable
disable
brake
DRIVER
DRIVER
29
24
51
19
12
disable
disable
brake
DRIVER
DRIVER
2
W.L
W.H
V.L
V.H
U.L
U.H
control
amplifier
M
PWM/LIN
Iset
Isense
COMP
VCCA1
LOGIC
DECODER
U.H
U.H
V.H
V.L
W.H
W.L
brake
disable
THERMAL
SWITCH
PWM
UPPER
BOOSTER
20
25
21
BSTCP2
BSTCP1
BSTFLT
15
SPWMTC
PWM/LIN
lcomp
to the VCM
output stages
VCCS
10
SCNTL1
11
14
SCNTL2
SCNTL3
3
SMODE1
23
SCOMP
SISINK1, SISINK2
COMP
SDRVU
16
SHPWR1
SDRVU
SHPWR2
SHPWR3
Cclamp
SDRVV
SDRVW
SDRVN
COMP
SDRVV
COMP
SDRUW
18
SENV
17
SENU
8
SENWIS
M
multiplexer
COMP
ICOMP
Isense
AMP
SISENL 32
SISENH 31
Rs
13
VCCS
34
PGND1
50
VCCA2
9
SISINK2
27
SISINK1
45
PGND2
PWM
DECODER
FILTER
30
SIPWM
26
SPWMFLT
Vref
Iset
TDA5147K
MBH024




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