BD7905BFS Ver la hoja de datos (PDF) - ROHM Semiconductor
Número de pieza
componentes Descripción
fabricante
BD7905BFS Datasheet PDF : 18 Pages
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Optical disc ICs
!Input output circuit
Three-phase motor driver output
19
10
Spindle driver current detection input
51pin
312.5Ω
20
18
11
9
BD7905BFS
Hall bias
54pin
7
8 17
Hall signal input
54pin
54pin 54pin
1
2
3
4
5
6
Splindle driver feedback filter pin
54pin
33
10kΩ
FG signal output
54pin
21
PWM driver output SLED1, 2
31 32
34
35
36
37
BTL driver output FO, TK
51pin
44pin
51pin
BTL driver output LD
51pin
51pin
51pin
45
46
49
50
47
48
BTL driver input FO, TK, LD
51pin
51pin
26
52
53
47kΩ
PWM driver input SLED1, 2
54pin
30pin
28
29
47kΩ
Reference voltage input
51pin
10kΩ
112.5kΩ
27
47kΩ
10kΩ
150kΩ
50kΩ
50kΩ
×3ch
×2ch
PWM driver input Spindle
54pin
54pin
24
112.5kΩ
Control signal input
54pin
54pin
50kΩ
50kΩ
22
23
50kΩ
5/17
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