AMC5902 View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

AMC5902

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

Unspecified 

AMC DOC. #: AMC5902_B

March 2004

AMC5902

6CH Motor Driver for

CD-ROM, DVD-ROM

Loading control

APPLICATION INFORMATION (continued)

The loading output voltage is set internally to be 7.5 × (LDIN-VREF).

With LDIN is higher/ equal/ lower to VREF,the motor can be set to Forward/ Short brake/ Reverse functions..

VCC4

Load input R1

LDO+

LDIN

Loading

Channel

LDO-

Forward

M

Reverse

Focus / tracking channel

The focus and tracking output voltage is set internally to be 7.5 × (FOIN-VREF).

With FOIN (TKIN) is higher/ equal/ lower to VREF, the motor can be set to Forward/ Short brake/ Reverse function.

VCC5

Focus input R1

FOIN

FO+

Focus

Channel

FO-

Forward

Reverse

Gain expression

Loading (LO+ - LO-)

Focus (FO+ - FO-)

Tracking (TKO+ - TKO-)

Gain with the added resistor Av(V/V)

7.5x 47k/(R1+47k)

7.5x 47k/(R1+47k)

7.5x 47k/(R1+47k)

Copyright  2003, 2004 ADD Microtech Corp

9

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