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AM9800 - Three Phase Direct PWM Sensorless Motor Driver

General Description

The AM9800 is a direct PWM driver IC designed for three-phase brushless motors.

Also, by using highly silent PWM drive, switching current of the phase with a smooth slope reduces the sound of slewing motor, and makes high-efficiency drive a reality by a synchronous commutation.

Key Features

  • Speed Controllable by PWM Input Signal.
  • Sensorless Drive.
  • Soft Switched Drive.
  • Build-in Forward/Reverse Switching Circuit.
  • Power Saving Function in a Stopped State: 2mA and PWM=0 State: 20µA.
  • Build-in Current Limiter Circuit.
  • Build-in Lock Protection and Auto-restart.
  • Built-in Over Current Protection.
  • Built-in Thermal Shutdown Circuit.
  • ESD Rating: 4000V (Human Body Model) 300V (Machine Model).

📥 Download Datasheet

Datasheet Details

Part number AM9800
Manufacturer BCD
File Size 409.46 KB
Description Three Phase Direct PWM Sensorless Motor Driver
Datasheet download datasheet AM9800 Datasheet

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Full PDF Text Transcription (Reference)

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Data Sheet Three Phase Direct PWM Sensorless Motor Driver AM9800 General Description The AM9800 is a direct PWM driver IC designed for three-phase brushless motors. Also, by using highly silent PWM drive, switching current of the phase with a smooth slope reduces the sound of slewing motor, and makes high-efficiency drive a reality by a synchronous commutation. The device is build-in lock protection. When the fan is locked, the device will enter the lockup protection mode. It is also equipped with thermal shutdown function and forward or reverse rotation selection. In normal operation, supply current is less than 2mA, but in PWM=0 mode it is just around 20µA. The AM9800 is available in SSOP-16 package.