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BA5939S Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
BA5939SROHM304Yes

Part Number:** BA5939S **Manufacturer:** ROHM ### **Specifications:** - **Type:** Stepper Motor Driver IC - **Output Configuration:** Unipolar - **Output Current:** 1.

Part Number: BA5939S

Manufacturer: ROHM

Specifications:

  • Type: Stepper Motor Driver IC
  • Output Configuration: Unipolar
  • Output Current: 1.5A (per coil)
  • Supply Voltage (VCC): 4.5V to 16V
  • Logic Supply Voltage (VDD): 4.5V to 5.5V
  • Number of Outputs: 4 (for driving a unipolar stepper motor)
  • Control Interface: Parallel (direct logic input)
  • Built-in Protection: Thermal shutdown, overcurrent protection
  • Package: HSOP20 (Heat-Sink Small Outline Package)

Descriptions:

The BA5939S is a unipolar stepper motor driver IC designed for driving 5- or 6-wire stepper motors. It integrates power MOSFETs and control logic, providing a compact solution for motor control applications. The IC supports full-step and half-step driving modes and includes built-in protection features for safe operation.

Features:

  • High Output Current: Supports up to 1.5A per coil.
  • Wide Operating Voltage Range: 4.5V to 16V for motor supply.
  • Low ON Resistance: Reduces power dissipation.
  • Built-in Protection: Thermal shutdown and overcurrent detection.
  • Compact Package: HSOP20 with heat dissipation capability.
  • Simple Control: Parallel logic inputs for direct microcontroller interfacing.

This IC is commonly used in printers, office automation equipment, and industrial control systems.

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