
Fairchild Semiconductor
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