Description

The KA3014 is a monolithic integrated circuit suitable for a 4-ch motor driver which drives the tracking actuator, focus actuator, sled motor, loading motor and 3-phase BLDC spindle motor of the MDP/CAR-MD/CAR-NAVIGATION system.

Features

• Built-in power save circuit

• Built-in current limit circuit

• Built-in thermal shutdown circuit (TSD)

• Built-in hall bias

• Built-in FG signal output circuit

• Built-in rotational direction detecting circuit

• Built-in protection circuit for reverse rotation

• Built-in short brake circuit

• Built-in variable-regulator

• Built-in 4-CH balanced transformerless (BTL) driver

• Built-in BTL mute circuit (CH1/2, CH3 and CH4)

• Corresponds to 3.3V DSP

Target Application

• Mini disk player

• Digital video disk player

• Car mini disk player

• Car navigation system