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1
BD7905BFS (MAIN ASSY : IC501)
• 6-ch Power Compo. Driver
A
Pin Arrangement (topview)
B
Block Diagram
C
54
53
52
51
50
LEVEL
SHIFT
47k
D
REVERSE
FG
DETECT
1
2
3
4
5
E
F
92
1
2
54
1
49
48
47
46
45
44
43
LEVEL
LEVEL
SHIFT
SHIFT
117.5k
117.5k
+
47k
+
HALL
BIAS
6
7
8
9
10
11
12
2
3
42
41
40
39
38
37
PRE
LOGIC
TSD
FF
OSC
Current
OSC
LIMIT
Polarity
COMP
PRE LOGIC
13
14
15
16
17
18
DVD-R7783
3
4
28
27
36
35
34
33
32
31
30
67k
PRE
LOGIC
FF
LIMIT
LIMIT
188k
75k
112.5k
FG
STBY/
BRAKE
CONTROL
19
20
21
22
23
24
25
4
29
28
47k
47k
67k
47k
26
27
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