Preliminary Datasheet
5-CHANNEL MOTOR DRIVER FOR DVD PLAYER
Functional Block Diagram
AM5665
THERMAL
SHUT DOWN
STAND-
BY
1
V
IN
FC
10K
20K
28
STBY
2
CFCerr1
7.5K
27
V
BIAS
3
CFCerr2
20k
10k
26
V
IN
TK
4
VNFFC
7.5k
7.5k
25
CTKerr1
5
V
IN
SL
10k
24
CTKerr2
7.5k
10k
6
FWD
23
V
IN
LD
7
REV
20k
20k
20k
22
×2
20k
GND
×2
PGND
10k
10K
10k
PGND
V
CC1
VOTR-
8
9
Pre-DRV
V
CC1
25K
15k
10k
21
VCTL
20
VNFTK
10
VOTR+
TRAY
DRIVER
V
CC2
19
V
CC2
11
VOSL-
18
SLED
DRIVER
V
CC1
V
CC1
VOLD-
LOADING
DRIVER
12
VOSL+
17
VOLD+
13
VOFC-
16
VOTK-
ACTUATOR
DRIVER
V
CC2
14
VOFC+
ACTUATOR
DRIVER
15
VOTK+
Figure 3. Functional Block Diagram of AM5665
Apr. 2005 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
4