AM5954A 查看數據表（PDF） - BCD Semiconductor

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AM5954A

4-CHANNEL MOTOR DRIVER FOR DVD PLAYER

BCD Semiconductor 

4-CHANNEL MOTOR DRIVER FOR DVD PLAYER

Pin Description (Note 1)

Data Sheet

AM5954A

Pin Number

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

Pin Name

VINFC

CFCerr1

CFCerr2

VINSL+

VINSL-

VOSL

VNFFC

VCC

PVCC1

PGND

VOSL-

VOSL+

VOFC-

VOFC+

VOTK+

VOTK-

VOLD+

VOLD-

PGND

VNFTK

PVCC2

GND

VINLD

CTKerr2

CTKerr1

VINTK

BIAS

STBY

Function

Focus driver input

For connection of capacitor for the error amp filter

For connection of capacitor for the error amp filter

Op Amp input (+) for the sled driver

Op Amp input (-) for the sled driver

Op Amp output for the sled driver

Focus driver feedback pin

Supply voltage

Power supply for loading channel

Ground for sled driver block

Sled driver output (-)

Sled driver output (+)

Focus driver output (-)

Focus driver output (+)

Tracking driver output (+)

Tracking driver output (-)

Loading driver output (+)

Loading driver output (-)

Ground for actuator driver block

Tracking driver feedback pin

Power supply voltage for actuator driver block

Ground

Loading driver input

For connection of capacitor for the error amp filter

For connection of capacitor for the error amp filter

Tracking driver input

Bias input

Standby control

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

The output H bridge power supply pins are PVCC2 for the focus, tracking channel, PVCC1 for the loading

channel, and VCC for the pre-block and sled channel.

Always ensure that VCC ≥ PVCC.

Mar. 2007 Rev. 1. 4

BCD Semiconductor Manufacturing Limited

3

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