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ML1538

4ch Motor Driver for Portable CD Player

March, 2004 V1.0

ML1538 4-ch Motor Driver for Portable CD players

Application

Portable CD player

Features

Built-in 4ch H bridge driver, and PWM control

of load drive voltage is made possible by

external components.

DC-DC converter control circuit on chip.

With inverted reset output pin.

Empty detection level can be switched between

rechargeable battery and dry battery.

Constant current charging; amount of current

can be varied by external resistor.

Built-in power transistor for charging.

Built-in independent thermal shutdown circuit

Package : QFP-44

General Description

ML1538 driver IC contains a 4ch H bridge driver and DC-DC converter control circuit, and was

developed for portable CD players. The package in use is QFP-44, making it ideal for smaller set.

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