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APX9766A
Single-Phase Full-Wave Motor Driver for Fan Motor
Features
General Description
The APX9766A is a single phase full wave DC brushless motor driver with PWM variable speed control and current limit features suitable for the fan of personal computer’s power supply and CPU cooler. The PWM control system fixed input and output duty through internal OTP block setting. The device is equipped with a built-in lock protection, which protects the fan when it is locked. It also has rotation speed detection output and thermal protection function. The APX9766A is available in SOP-10 and TSSOP-14 package (see Pin Configuration).
Features
- Single Phase Full Wave Fan Driver
- Low Quiescent Current
- Built-in Variable Speed Function
- OTP Setting ShutDown Mode or Minimum speed mode
- OTP Setting Minimum Input and Ouput Duty
- OTP Setting Maximum Input Duty for Full Duty
- Output or Setting Maximum Output Duty for 100% PWM Input
- OTP Setting Enable Soft Start Function
- Current Limit Circuit
- Built-in Lock Protection and Auto Restart Function
- FG Output (SEL floating) or RD Output (SEL GND)
- Built-in Thermal Protection Circuit
- Lead Free and Green Device Available (RoHS Compliant)
General Description
The APX9766A is a single phase full wave DC brushless motor driver with PWM variable speed control and current limit features suitable for the fan of personal computer’s power supply and CPU cooler. The PWM control system fixed input and output duty through internal OTP block setting. The device is equipped with a built-in lock protection, which protects the fan when it is locked. It also has rotation speed detection output and thermal protection function. The APX9766A is available in SOP-10 and TSSOP-14 package (see Pin Configuration).
