Products Overview
A89332 Three-Phase Sensorless Fan Controller
Allegro MicroSystems
A89332 : Three-Phase Sensorless Fan Controller
The A89332 three-phase motor controller incorporates a sensorless sinusoidal drive to minimize vibration for highpower, high-speed server fans. Sensorless control eliminates
the requirement for Hall sensors for server fan applications.
A flexible, closed-loop speed control system is integrated into the IC. An EEPROM is used to tailor the common functions of the fan speed curve to a specific application. This eliminates the requirement for a microprocessor-based system and minimizes programming requirements.
Part Number | Type | Output Current | Technology | Mounting Style | Number of Outputs | Moisture Sensitive | Applications | Output Voltage | Operating Temperature | Voltage - Supply | Package Type |
---|---|---|---|---|---|---|---|---|---|---|---|
A89332 | 3 Phase | 3A | NMOS | SMD/SMT | 3 Outputs | Yes | Fan Controller | 18V | -40 °C ~ 105 °C(TA) | -0.3V ~ 36V | 26-Contact QFN with exposed pad (EX package) |
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Datasheet Download on May, 2022
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