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AMT49400

Part Number	AMT49400
Manufacturer	Allegro
Description	Integrated Sensorless FOC BLDC Driver
Published	Nov 28, 2019
Detailed Description	AMT49400 Integrated Sensorless FOC BLDC Driver FEATURES AND BENEFITS • Coding-free sensorless field-oriented control (...
Datasheet	AMT49400 PDF File

Overview

AMT49400 Integrated Sensorless FOC BLDC Driver FEATURES AND BENEFITS • Coding-free sensorless field-oriented control (FOC) • Standby mode current less than 10 µA • Quiet and quick startup • Only two external components for minimal application circuit • PWM speed input, FG speed output • Lock detection • Soft-on soft-off (SOSO) • Optional closed-loop speed control • Configurable current limit • Windmill and reverse windmill operation • Lock detection • Short-circuit protection (OCP) PACKAGE: DESCRIPTION TheAMT49400 is an advanced 3-phase, sensorless, brushless DC (BLDC) motor driver with integrated power MOSFETs.
A minimal application circuit can be achieved with only two external components due to device’s high level of integration, which includes control algorithm, analog circuit, and power stage.
A field-oriented control (FOC) algorithm is fully integrated to achieve the best efficiency and acoustic noise performance.
EEPROM programmability is included to optimize motor...

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