606
Optical disc ICs
4-channel driver and power
controller
BA6893AK
The BA6893AK is a 4-channel driver and power supply that includes the reset, recharge, and shock detection circuits
required for portable CD players on a single IC. The driver block power supply uses the on-chip switching regulator, mak-
ing this component an ideal choice for low-power sets.
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Applications
Portable CD players
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Features
1) Four H-bridge driver circuits.
2) DC to DC converter control circuit.
3) Reset circuit.
4) Shock detection circuit.
5) Battery recharge circuit.
6) Ripple filter circuit.
7) Audio reference output.
8) Low power consumption.
9) Thermal shutdown circuit.
10) QFP44 package.
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Absolute maximum ratings (Ta = 25
_
C)
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Recommended operating conditions (Ta = 25
_
C)
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