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Allegro MicroSystems A89333 48V 3-Phase, Sensorless FOC Driver

Allegro MicroSystems A89333 48V Three-Phase, Field-Oriented Control (FOC) Driver is a sensorless and brushless DC (BLDC) motor controller that addresses the thermal management needs of hybrid electric vehicles (HEVs) and artificial intelligence (AI) servers. The A89333 series features code-free integration, reduced power loss, and improved thermal management for 48V fans in AI servers. The integrated buck converter helps maximize efficiency, boosting server reliability and extending component life. An FOC algorithm is fully integrated to achieve high efficiency and low acoustic noise performance. The A89333 offers programmable profiles and includes close-loop controls for constant power and speed operations, eliminating the need for a microprocessor-based system and minimizing programming requirements. Allegro MicroSystems A89333 Three-Phase FOC Driver is ideal for 48V AI/ML server fans and home appliance fans.

Features

  • High voltage
    • 75V maximum rating
    • Integrated buck regulator
    • Capable of high-efficiency operation
    • Optimal for systems that experience voltage spikes or need to operate at higher voltages
  • High efficiency
    • Integrated buck regulator and FOC algorithm suitable for high-efficiency operation
    • Minimum heat dissipation and low acoustic noise at higher power operation
  • Code-free operation
    • Designed to work without need for external MCU
    • Simplifies design process
    • Reduces time to market
  • Extends component life and boosts server reliability
  • EMI mitigation
    • Slew rate control
    • Helps to reduce EMI for applications that are crucial-sensitive to EMI
  • I2C interface
    • For setting motor-related parameters, control-related parameters, and startup profiles, which are stored in non-volatile memory (NVM)
    • Can be used to control motor directly and provide speed and status feedback
  • Password protection available for stored NVM data
  • Programmable profiles
  • Close-loop controls for constant power and speed operations
  • Supports operating VBB up to 60V
  • Provides protection up to 75V (ABS MAX)
  • QFN package with exposed pad

Applications

  • 48V AI/ML server fans
  • Home appliance fans

Related Development Tools

Allegro MicroSystems APEK89333GEC-01-T Evaluation Board

Designed to evaluate the operation and performance of the A89333 Motor Controller IC.

Learn Moreüber Allegro MicroSystems APEK89333GEC-01-T Evaluation Board View Productsverwandt mit Allegro MicroSystems APEK89333GEC-01-T Evaluation Board
Veröffentlichungsdatum: 2024-11-06 | Aktualisiert: 2024-12-16