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A3938 - Three-Phase Power MOSFET Controller

Allegro MicroSystems

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Datasheet Details

Part number: A3938
Manufacturer: Allegro MicroSystems
File Size: 663.75 KB
Datasheet: A3938-AllegroMicroSystems.pdf
Description: Three-Phase Power MOSFET Controller

A3938 Product details

Description

The A3938 is a three-phase, brushless DC motor controller.

Features

▪ Drives a wide range of N-channel MOSFETs ▪ Low-side synchronous rectification ▪ Power MOSFET protection ▪ Adjustable dead time for cross-conduction protection ▪ Selectable coast or dynamic brake on power-down or RESET input ▪ Fast/slow current decay modes ▪ Internal PWM current control ▪ Motor lead short-to-ground protection ▪ Internal 5 V regulator ▪ Fault diagnostic output ▪ Thermal shutdown ▪ Undervoltage protection Package 38-pin TSSOP (suffix LD): Not to scale.

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Other Datasheets by Allegro MicroSystems

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Published: Feb 23, 2015 |