BD7902 View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

BD7902

6CH Power Driver for CD-ROM, DVD-ROM

Unspecified 

Optical disc ICs

!Input output circuit

Three-phase motor driver output

19

10

Spindle driver current detection input

51pin

20

18

11

9

17

Hall signal input

54pin

54pin

1

3

5

54pin

2

4

6

BD7902CFS

Hall bias

54pin

7

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

33

BTL driver input FO, TK, LD

51pin

51pin

26

52

53

47kΩ

PWM driver input SLED1, 2

54pin

30pin

28

29

47kΩ

PWM driver input Spindle

54pin

54pin

24

15kΩ

Control signal reference voltage input

51pin

27

10kΩ 15kΩ

50kΩ

50kΩ

Control signal input

54pin

54pin

50kΩ

50kΩ

22

23

50kΩ

5/17

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