W43023 Datasheet, PDF (2/9 Pages) List of Unclassifed Manufacturers – 4-Channel BTL Motor Driver for CD-ROM

WAFER WIN
W43023
4-Channel BTL Motor Driver for CD-ROM
Pin Descriptions
Pin No.
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
Pin name
VINFC
CFCerr1
CFCerr2
VINSL +
VINSL -
VOSL
VNFFC
Vcc
PVcc1
PGND
VOSL -
VOSL +
VOFC -
VOFC +
VOTK +
VOTK -
VOLD +
VOLD -
PGND
VNFTK
PVcc2
GND
VINTK
CTKerr2
CTKerr1
VINTK
BIAS
MUTE
Function
Focus drive input
For connection of capacitor for the error amp filter
For connection of capacitor for the error amp filter
Op-amp input (+) for the sled driver
Op-amp input (-) for the sled driver
Op-amp output for the sled driver
Focus driver feedback pin
Vcc
Power Vcc for sled driver block
Ground for Sled driver block
sled driver output (-)
sled driver output (+)
Focus driver output (-)
Focus driver output (+)
Tracking driver output (+)
Tracking driver output (-)
Loading driver output (+)
Loading driver output (-)
Ground for Actuator driver block
Tracking driver feedback pin
Power Vcc for Actuator driver block
Ground
Loading driver input
For connection of capacitor for the error amp filter
For connection of capacitor for the error amp filter
Tracking driver input
Bias input
Mute control
Notes: The indicated polarities for the output pins are for when all inputs are (+).
The output H bridge supply pins are PVcc1 for the loading channel, PVcc2 for the focus, tracking
channels, and Vcc for the pre-block and sled channel. Always ensure that Vcc≧PVcc1,2.
PinOut
W43023
* All specs and applications shown above subject to change without prior notice.
Page 2 of 9
Rev 1.0 Sep. 13,2005