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A3932 Datasheet Three-Phase Power MOSFET Controller

Manufacturer: Allegro MicroSystems

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Overview

Page 1 of 8 3932 ADVANCED DATASHEET - 03/02/99 (Subject to change without notice) THREE PHASE POWER MOSFET CONTROLLER The A3932SEQ is a three-phase brushless DC motor controller.

The A3932’s high current gate drive capability allows driving of a wide range of power MOSFETs and can support motor supply voltages from 12 to 50V.

The A3932 integrates a bootstrapped high side driver to minimize the external component count required to drive N-channel MOSFET drivers.

Key Features

  • includes gatesource voltage monitor, bootstrap capacitor charging current monitor, undervoltage monitor, motor lead short to supply or ground, and thermal shutdown. 2 RESET 1 PGND 32 AGND 31 DEAD 3 GLC 30 REF 29 SENSE 28 RC 27 PWM 26 TACH 25 SR 24 BRAKE 23 DIR 22 H2 21 H3 20 H1 GHC 5 CC 6 GLB 7 SB 8 4 SC GHB 9 CB 10 GLA 11 SA 12 GHA 13 A3932SEQ.

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