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TDA5149G Datasheet(PDF) 6 Page - NXP Semiconductors

Part No. TDA5149G
Description  12 V Voice Coil Motor VCM driver and spindle motor pre-driver combination chip
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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 6 page
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1996 May 06
6
Philips Semiconductors
Product speciļ¬cation
12 V Voice Coil Motor (VCM) driver and
spindle motor pre-driver combination chip
TDA5149G
Note
1. The 4 ground pins are tied to the lead frame for better heat dissipation.
VCMIN1
41
I
VCM control input voltage
VCMSENSEH
42
I
positive VCM sense ampliļ¬er input voltage
VCMSENSEL
43
I
negative VCM sense ampliļ¬er input voltage
VCM+
44
O
positive output voltage of the VCM power stage
H0
45
O
gate control of the isolating power FET
VCMref
46
I
reference voltage input for the VCM
BRAKEPOWER
47
I/O
reservoir capacitor for the brake/park circuitry
PGND2
48
āˆ’
power ground 2 for VCM DMOS; note 1
Vref(o)
49
O
reference voltage generator output
VCMSENSOUT
50
O
VCM sense ampliļ¬er output voltage
BRAKEDELAY
51
I/O
powerless brake delay adjustment
LATCHHOLD
52
O
latch hold output
LATCHACTIV
53
O
latch activate output
VDD
54
āˆ’
general supply voltage (+12 V)
VDDD
55
āˆ’
digital supply voltage (+5 V)
SCANTEST
56
I
test mode input
FG
57
O
commutation frequency generator output
CLOCK
58
I
clock for digital timing input
SDATA
59
I
serial port data input
SCLOCK
60
I
serial port clock input
SENABLE
61
I
serial port enable input
CAPX2
62
I/O
charge pump capacitor input/output
CAPX1
63
I/O
charge pump capacitor input/output
DGND
64
āˆ’
digital ground; note 1
SYMBOL
PIN
I/O
DESCRIPTION




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