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278
Optical disc ICs
4-channel BTL driver for CD players
BA5931FP
The BA5931FP is a 4-channel BTL driver designed for CD player motors and actuators. The 28-pin HSOP package allows for application miniaturization.
FApplications
CD players, CD-ROM drives
FFeatures
1) Internal drivers for focus coils, tracking coils, spindle
motors, feed motors and loading.
2) HSOP 28-pin package allows for miniaturization of
applications.
3) Low number of external components.
4) Driver gain is adjustable with a single attached resistor.
5) Internal thermal shutdown circuit.
FAbsolute maximum ratings (Ta = 25_C)
FRecommended operating conditions (Ta = 25_C)
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279
Optical disc ICs BA5931FP
Block diagram
Pin descriptions
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280
Optical disc ICs BA5931FP
Input/output circuits