參數(shù)資料
型號(hào)： TDA5149G
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： 運(yùn)動(dòng)控制電子
英文描述： 12 V Voice Coil Motor VCM driver and spindle motor pre-driver combination chip
中文描述： DISK DRIVE MOTOR CONTROLLER, 2.5 A, PQFP64
封裝： 10 X 10 X 1.40 MM, PLASTIC, LQFP-64
文件頁(yè)數(shù)： 5/28頁(yè)
文件大?。?/td> 148K
代理商： TDA5149G
1996 May 06
5
Philips Semiconductors
Product specification
12 V Voice Coil Motor (VCM) driver and
spindle motor pre-driver combination chip
TDA5149G
PINNING
SYMBOL
PIN
I/O
DESCRIPTION
CAPY
MOT0
H1
MOT1
L1
H2
MOT2
L2
H3
MOT3
L3
IDRIVE
SPINSENSEH
SPINSENSEL
SISENS
AGND
I
ref
SINTIN
ISPIN
SICOMP
RPOS
CSS1
CSS2
STOSC
SCANOUT
POR
DELAY
V
DDA1
POR5
ADJ
POR12
ADJ
AMPIN
AMPIN+
PGND1
AMPOUT
RESETP
RESETA
V
CM
TEMPMON
CLAMP
V
DDV
V
CMIN2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
I/O
I
O
I
O
O
I
O
O
I
O
I
I
I
O
O
I
I
O
I
I/O
I/O
I/O
O
I/O
O
O
I
I
O
O
O
O
O
I/O
I
charge pump capacitor
motor centre tap input
driver output to gate of upper power FET 1
back EMF comparator input 1
driver output to gate of lower power FET 1
driver output to gate of upper power FET 2
back EMF comparator input 2
driver output to gate of lower power FET 2
driver output to gate of upper power FET 3
back EMF comparator input 3
driver output to gate of lower power FET 3
adjustment for output stage drive current
positive spindle sense amplifier input
negative spindle sense amplifier input
spindle sense amplifier output
general analog ground; note 1
reference current generator output
negative integrator input
positive integrator input, average current adjustment
integrator output
duty cycle modulator input
soft switching capacitor 1
soft switching capacitor 2
sawtooth oscillator capacitor
test output
power-on reset delay capacitor (active LOW)
analog supply voltage 1 (+5 V)
adjustment of POR threshold (for +5 V)
adjustment of POR threshold (for +12 V)
negative input of the uncommitted operational amplifier
positive input of the uncommitted operational amplifier
power ground 1 for VCM DMOS; note 1
uncommitted operational amplifier output
power-on reset digital output with passive pull-up resistor
power-on reset digital output with active pull-up resistor
negative output voltage of the VCM power stage
temperature monitor output
clamp capacitor used for head retraction
power supply for VCM DMOS driver (+12 V)
switchable VCM control input voltage
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