AN6651 Motor Speed Control Circuit

The UTC AN6651 is a monolithic integrated circuit designed for the rotating control of a compact DC motor which is used for a tape recorder, recorder player etc.

Features

1. Wide operating supply voltage: VCC = 3.5V ~ 14.4V
2. Small four-lead plastic packer for compact motor.
3. Few external components
4. Stable low reference voltage (1.0V, typical)
5. Wide motor speed setting
6. Reverse voltage protection circuit built-in

Electronic Components

1. AN6651
2. 200 ohm variable Resistor
3. 210 ohm Resistor
4. 330 ohm Resistor
5. Resistor 15k
6. PCB Terminal
7. 1N4148 Diode
8. 10UF Capacitor
9. 22UH Indictor
10. PCB(3cmX7cm)
11. LED(Red, 5mm)

Soldering Tools

1. Soldering Iron
2. Soldering Flux
3. Soldering Wire
4. Tweezers

This is the application circuit diagram of AN6651. A toggle switch is used in the circuit to switch between Low(Normal speed of tape) and High Speed.