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AP1021AEN - Dual Microstepping Motor Driver

General Description

The AP1021 is a complete microstepping motor driver that can drive two stepper motors, to operate up to 28V motor supply voltage.

N-channel LDMOS FETs are built in both high and low side for output driver to achieve small package.

Key Features

  • Built-in PWM Current Control Stepper Motor Driver.
  • SPI Interface.
  • Full Programmable Excitation Mode up to 1/64 step.
  • Control Supply Voltage (VC) 3.0V to 5.5V.
  • Motor Drive Operating Voltage(VM) 2.0V to 28V.
  • H-Bridge On Resistance 1.0.
  • Adjustable PWM Motor Current by VIS pins.
  • Built-in UVLO(Under Voltage Lock Out circuit).
  • Built-in TSD(Thermal Shut Down circuit).
  • Built-in Charge Pump Circuit.
  • Operating Temperature Range -40C to.

📥 Download Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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[AP1021] AP1021AEN 32V Dual Microstepping Motor Driver IC with SPI 1. General Description The AP1021 is a complete microstepping motor driver that can drive two stepper motors, to operate up to 28V motor supply voltage. N-channel LDMOS FETs are built in both high and low side for output driver to achieve small package. It also includes under voltage detection and thermal shut down circuits. It is suitable for driving various types of stepper motors. 2. Features  Built-in PWM Current Control Stepper Motor Driver  SPI Interface  Full Programmable Excitation Mode up to 1/64 step  Control Supply Voltage (VC) 3.0V to 5.5V  Motor Drive Operating Voltage(VM) 2.0V to 28V  H-Bridge On Resistance 1.0  Adjustable PWM Motor Current by VIS pins.