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.
FApplications
Portable CD players
FFeatures
1) Four H-bridge driver circuits.
2) DC to DC converter control circuit.
3) Reset circuit.
4) Shock detection circuit.
5) Battery recharge circuit.
FAbsolute
maximum ratings (Ta = 25_C)
6)
7)
8)
9)
10)
Ripple filter circuit.
Audio reference output.
Low power consumption.
Thermal shutdown circuit.
QFP44 package.
FRecommended
operating conditions (Ta = 25_C)
606