Data Sheet

3

Mar. 2007 Rev. 1. 4

BCD Semiconductor Manufacturing Limited

4-CHANNEL MOTOR DRIVER FOR DVD PLAYER

AM5954A

Pin Number

Pin Name

Function

1

Focus driver input

2

CFCerr1

For connection of capacitor for the error amp filter

3

CFCerr2

For connection of capacitor for the error amp filter

4

Op Amp input (+) for the sled driver

5

Op Amp input (-) for the sled driver

6

VOSL

Op Amp output for the sled driver

7

VNFFC

Focus driver feedback pin

8

Supply voltage

9

Power supply for loading channel

10

PGND

Ground for sled driver block

11

VOSL-

Sled driver output (-)

12

VOSL+

Sled driver output (+)

13

VOFC-

Focus driver output (-)

14

VOFC+

Focus driver output (+)

15

VOTK+

Tracking driver output (+)

16

VOTK-

Tracking driver output (-)

17

VOLD+

Loading driver output (+)

18

VOLD-

Loading driver output (-)

19

PGND

Ground for actuator driver block

20

VNFTK

Tracking driver feedback pin

21

Power supply voltage for actuator driver block

22

GND

Ground

23

Loading driver input

24

CTKerr2

For connection of capacitor for the error amp filter

25

CTKerr1

For connection of capacitor for the error amp filter

26

Tracking driver input

27

BIAS

Bias input

28

STBY

Standby control

Note 1: The indicated polarities for the output pin are for when all inputs are (+).

Pin Description (Note 1)