Overview
The LA6574H is a motor driver IC for MD and CD players with four BTL channels and one H bridge channel. The LA6574H features a separate power supply for the H bridge block, an output adjustment pin, and a 3.3 V regulator to support a wide range of applications.

Functions and Features
• Four power amplifier channels plus one H bridge channel
• IO max: 700 mA (each channel)
• Built-in level shifting circuits for the BLT amplifiers
• Thermal protection circuit (Thermal shutdown circuit)
• Separate loading block power supply
• Built-in 3.3 V regulator
• Provides a dedicated pin for adjusting the loading block output.