CC6421 Description
CC6421 is a one-chip solution for single-coil brushless DC motor/fan with PWM speed control. The device is designed in BCD technology, it integrates regulator, hall sensor, offset cancellation, AGC amplifier, a power output H-bridge and digital control. The voltage regulator operates from 3.5V to 18V.
CC6421 Key Features
- Built-in high sensitive hall sensor
- High efficiency
- Zero Current Switch (ZCS) and Zero magnet Switch (ZBS)
- Low noise
- PWM speed control with minimal speed setting
- High output current, up to 800mA
- Wide operating voltage, 3.5V to 18V
- Rotation Detect (RD) and Frequency Generator (FG) are optional
- Protection: Thermal Protection, LRP (Lock Rotation Protection)
- AGC control