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AM4964 - SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER

Description

The AM4964 is highly integrated feature rich single phase Brushless Direct Current (BLDC) full wave motor driver with combined PWM and temperature speed control function for fans, blowers and extractors.

Features

  • Flexible Speed Control Options.
  • Combined PWM+Thermistor Speed Control.
  • PWM Speed Control.
  • DC Voltage Speed Control.
  • Adjustable Low and High Temperature Corners.
  • Full Speed When Thermal Resistor is Shorted.
  • Adjustable Output Duty Gap between High and Low Temperature when 100% PWM Input.
  • Built-in oscillator.
  • No external capacitor.
  • Built-in Minimal Speed Setup Circuit.
  • Alpha Slope Adjustable.
  • Rotation Speed Indicator (FG).
  • Built-.

📥 Download Datasheet

Datasheet Details

Part number AM4964
Manufacturer BCD
File Size 1.28 MB
Description SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER
Datasheet download datasheet AM4964 Datasheet

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Full PDF Text Transcription

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NEW PRODUCT A Product Line of Diodes Incorporated AM4964 SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER Description Pin Assignments The AM4964 is highly integrated feature rich single phase Brushless Direct Current (BLDC) full wave motor driver with combined PWM and temperature speed control function for fans, blowers and extractors. For system flexibility, the motor speed can be controlled by an external PWM signal and temperature sensed by Thermal resister at the same time. Based on external input PWM and temperature signals, the AM4964 adjusts the output PWM duty cycle. If the input PWM duty is constant, the output PWM duty varies with temperature sensed by Thermal resister sensor between the low and high temperature corners.
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