AZ5954 Datasheet, PDF (4/13 Pages) BCD Semiconductor Manufacturing Limited – 4-CHANNEL BTL MOTOR DRIVER FOR CD-ROM/DVD

4-CHANNEL BTL MOTOR DRIVER FOR CD-ROM/DVD
Functional Block Diagram
Data Sheet
AZ5954
V_INFC
CFCerr1
CFCerr2
1
10K
20K
2
7.5K
3
4
7.5k
V_INSL+
5
V_INSL-
6
VOSL
7
VNFFC
2
THERMAL
STAND-
SHUT DOWN
BY
28
27
26
20k
10k
25
7.5k
24
7.5k
23
22
2
STBY
BIAS
V_INTK
CTKerr1
CTKerr2
V_INLD
GND
V_CC
PV_CC1
PGND
VOSL-
VOSL+
VOFC-
VOFC+
8 ^VCC
9 ^PVCC1
10
11
12
13
14
Apr. 2005 Rev. 1. 1
10K
10K
25K
15k
SLED
DRIVER
LOADING
DRIVER
ACUATOR
DRIVER
ACTUATOR
DRIVER
V_CC
PV_CC2 PV_CC1
21
20 ^PVCC2
19
18
17
16
15
PV_CC2
VNFTK
PGND
VOLD-
VOLD+
VOTK-
VOTK+
Figure 3. Functional Block Diagram of AZ5954
BCD Semiconductor Manufacturing Limited
4