The AN6652 is an IC designed for the rotating speed control of a compact DC motor which is used for a tape recorder, record player, etc.

Features
1. Small four-lead plastic package for compact motor. Fewer external parts
2. Stable low reference voltage (1.25V typ.), wide motor speed setting
3. Highly stable operation over a wide range of supply voltage and torque supply voltage, VCC = 6V ~ 20V
4. Reverse voltage protection circuit is built-in