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A143 Specifications

Detailed technical information and Application Scenarios

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PartNumberManufactorQuantityAvailability
A143140Yes

A143** is a component manufactured by **STMicroelectronics**, specifically designed for use in **brushless DC motor control** applications.

The A143 is a component manufactured by STMicroelectronics, specifically designed for use in brushless DC motor control applications. Below are its key specifications, descriptions, and features:

Manufacturer Specifications:

  • Manufacturer: STMicroelectronics
  • Type: Brushless DC Motor Controller IC
  • Package: Typically available in DIP (Dual In-line Package) or SOIC (Small Outline Integrated Circuit)
  • Operating Voltage: Typically 8V to 20V (varies by model)
  • Output Current: Up to 1.5A (peak)
  • Operating Temperature Range: -20°C to +85°C
  • Frequency Range: Adjustable, typically up to 100kHz

Descriptions:

  • The A143 is a three-phase brushless DC motor driver IC designed for precise motor control.
  • It integrates Hall sensor inputs for rotor position detection.
  • Includes PWM (Pulse Width Modulation) control for speed regulation.
  • Suitable for automotive, industrial, and consumer electronics applications.

Features:

  • Three-phase full-wave drive for efficient motor operation.
  • Built-in Hall sensor commutation logic for accurate motor control.
  • Adjustable speed control via external PWM input.
  • Overcurrent protection to prevent damage to the motor and IC.
  • Thermal shutdown for safety at high temperatures.
  • Low standby current consumption for energy efficiency.
  • Reverse battery protection (in some variants).

For exact electrical characteristics and pin configurations, refer to the official STMicroelectronics datasheet for the specific A143 variant.

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