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AZ5954 Datasheet, PDF (3/13 Pages) BCD Semiconductor Manufacturing Limited – 4-CHANNEL BTL MOTOR DRIVER FOR CD-ROM/DVD
4-CHANNEL BTL MOTOR DRIVER FOR CD-ROM/DVD
Pin Description (Note 1)
Data Sheet
AZ5954
Pin Number
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
VINLD
CTKerr2
CTKerr1
VINTK
BIAS
STBY
Function
Focus driver 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
Supply voltage
Power supply voltage 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 supply voltage 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
Standby control
Note 1: The indicated polarities for the output pin are for when all inputs are (+).
The outptut H bridge power supply pins are PVCC2 for the focus, tracking channel, PVCC1 for the loading
channel, and VCC for the pre-block and sled channel.
Always ensure that VCC ≥ PVCC.
Apr. 2005 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
3