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TDA5147K Datasheet(PDF) 6 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
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 6 page
background image
1996 Jul 26
6
Philips Semiconductors
Product speciļ¬cation
12 V Voice Coil Motor (VCM) driver and
spindle motor drive combination chip
TDA5147K
PINNING
SYMBOL
PIN
I/O
DESCRIPTION
VCCA1
1
āˆ’
analog supply voltage 1 (+5 V)
SDRVW
2
O
phase 3 output for spindle motor
SMODE1
3
I
3-state level input for spindle mode
CPOR
4
I/O
power-on reset delay capacitor
POR
5
O
power-on reset digital output (active LOW)
POR12ADJ
6
O
adjustment of POR threshold (for +12 V)
POR5ADJ
7
O
adjustment of POR threshold (for +5 V)
SENWIS
8
O
digital output of back EMF sense 3/inductive sense
SISINK2
9
āˆ’
connection 2 to the sense resistor
SCNTL1
10
I
digital input 1 for spindle decoder
SCNTL2
11
I
digital input 2 for spindle decoder
SDRVV
12
O
phase 2 output for spindle motor
VCCS
13
āˆ’
power supply of spindle motor drivers (+12 V)
SCNTL3
14
I
digital input 3 for spindle decoder
SPWMTC
15
O
capacitor for spindle low side PWM time off
SDRVN
16
O
centre TAP connection to spindle motor
SENU
17
O
digital output of back EMF sense 1
SENV
18
O
digital output of back EMF sense 2
SHPWR3
19
O
capacitor 3 for PARK supply voltage
BSTFLT
20
O
booster ļ¬lter output
BSTCP2
21
O
booster capacitor 2 output
RETADJ
22
I/O
retract voltage adjustment pin
SCOMP
23
O
control ampliļ¬er pole adjustment
SDRVU
24
O
phase 1 output for spindle motor
BSTCP1
25
O
booster capacitor 1 output
SPWMFLT
26
O
capacitor for spindle PWM ļ¬lter
SISINK1
27
āˆ’
connection 1 to the sense resistor
AGND1
28
āˆ’
analog ground 1
SHPWR1
29
O
capacitor 1 for PARK supply voltage
SIPWM
30
I
digital PWM input for spindle current
SISENH
31
O
sense resistor for spindle current
SISENL
32
O
isolated ground connection for spindle sense ampliļ¬er
VCMINP
33
I
closed loop voltage compensation of VCM
PGND1
34
āˆ’
power ground of VCM driver
VPCNTL
35
I
PARK enable 3-state voltage level input
VCMN
36
O
negative output voltage of H-bridge
Vref(o)
37
O
reference voltage output for external ADC
Vref(i)
38
I
reference voltage input for the 2nd sense ampliļ¬er
VCCV
39
āˆ’
power supply of VCM driver (+12 V)
VISENH
40
I
positive input voltage of sense resistor ampliļ¬er




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