Description
The MC33039 provides an economical method of implementing closed
loop speed control of brushless DC motors by eliminating the need for a magnetic or optical tachometer.
Features
- Digital Detection of Each Input Transition for Improved Low Speed
Motor Operation.
- TTL Compatible Inputs With Hysteresis.
- Operation Down to 5.5 V for Direct Powering from MC33035
Reference.
- Internal Shunt Regulator Allows Operation from a Non.
- Regulated
Voltage Source.
- Inverter Output for Easy Conversion between 60°/300° and
120°/240° Sensor Phasing Conventions.
- Pb.
- Free Packages are Available
http://onsemi. com.