LB1975 Description
EN6087B LB1975 Monolithic Digital IC For Fan Motor 3-phase Brushless Motor Driver http://onsemi. Overview The LB1975 is a 3-phase brushless motor driver IC suited for use in direct PWM driving of DC fan motors for air conditioners, water heaters, and other similar equipment. Since a shunt regulator circuit is built in, single power supply operation sharing the same power supply for the motor is supported.
LB1975 Key Features
- Withstand voltage 46V, output current 2.5A
- Direct PWM drive output
- 3 built-in output top-side diodes
- Built-in current limiter
- Built-in FG output circuit