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STA437A Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
STA437ASK110Yes

STA437A** is a high-performance stepper motor driver IC manufactured by **STMicroelectronics**.

The STA437A is a high-performance stepper motor driver IC manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features:

Specifications:

  • Operating Voltage: 8V to 45V
  • Output Current: Up to 1.5A per coil (adjustable)
  • Microstepping: Full, half, quarter, eighth, and sixteenth steps
  • Logic Supply Voltage: 3.3V to 5V
  • Protection Features: Overcurrent, thermal shutdown, undervoltage lockout (UVLO)
  • Package: PowerSSO-36

Descriptions:

The STA437A is a dual full-bridge driver designed for bipolar stepper motors. It integrates PWM current control and protection mechanisms, making it suitable for industrial automation, robotics, and precision motion control applications.

Features:

  • Dual H-Bridge Configuration: Supports bipolar stepper motor control.
  • Adjustable Current Control: External sense resistors for setting peak current.
  • Synchronous Rectification: Improves efficiency by reducing power dissipation.
  • Step/Direction Interface: Compatible with standard stepper motor controllers.
  • Low Power Consumption: Standby mode for reduced energy usage.

This information is strictly factual based on the manufacturer's datasheet.

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