BD7902CFS ROHM Co. Ltd., BD7902CFS Datasheet - Page 16

• Manufacturer Part Number: BD7902CFS
• Description: 6ch Power Driver For Cd-rom, Dvd-rom
• Manufacturer: ROHM Co. Ltd.

   
   
DV
CC
=5V
54
1
FOCUS
FG
53
IN
2
TRACKING
52
REVERSE
DETECT
3
IN
V
CC
51
=12V
4
LOADING
50
5
LEVEL
SHIFT
47k
M
49
6
+
−
47k
HALL
BIAS
TRACKING
48
7
LEVEL
SHIFT
94k
+
−
47
8
94k
SPINDLE
46
9
FOCUS
LEVEL
SHIFT
45
10
AVM=5V
44
11
43
12
PWM
OUT
42
13
3-phase
MATRIX
TSD
SPVM=12V
41
14
Fig.3
FF
SPRNF
40
15
Current
COMP
OSC
Polarity
COMP
39
16
38
17
Current
LIMIT
37
18
PRE
LOGIC
FF
36
19
35
20
PRE
LOGIC
FF
5V
34
21
FG
OSC
FG
µ-COM
33
22
CONTROL
BRAKE
STBY/
µ-COM
32
23
15k
SLVM=12V
15k
SPINDLE
31
24
IN
−
LIMIT
LIMIT
47k
30
25
94k
47k
47k
LOADING
SLED
IN2
29
26
47k
−
IN
−
SLED
IN1
28
27
VC
−
47k