CrossChip CC6421
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.| Part No. | CC6421 |
|---|---|
| Datasheet | CC6421 Download |
| Manufacturer | CrossChip |
| Description | 5V/12V 800mA Single Coil Sine Wave Current Motor Driver |
| Buy | Stock & Price |
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), Current Limit Protection
● AGC control
● Intelligent Soft Start
● The rotational speed curve is configurable
● ESD (HBM) 6000V Application
● Single Coil Brushless DC Motor
● Single Coil Brushless DC Fan Block Diagram VREF MINSP 2.5V Bandgap Reference 10K ADC PWM Buffer AGC High Sensitivity Hall Plate preAmplifer Offset Cancelation FG/RD Current Limit GND VDD 5V Regulator Internal Oscillator Power-On Reset Signal Condition FF PWM detection MINSP Detection Modulated PWM Duty Cycles Soft Start Control 100KHz Ramp Generator Startup Control Speed Control Startup Control Locked Rotor Protection Test Control Duty...
