A3938 Datasheet - Allegro MicroSystems

A3938, Three-Phase Power MOSFET Controller

A3938 Three-Phase Power MOSFET Controller .
The A3938 is a three-phase, brushless DC motor controller.

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A3938-AllegroMicroSystems.pdf

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Datasheet Details

Part number:

A3938

Manufacturer:

Allegro MicroSystems

File Size:

663.75 KB

Description:

Three-Phase Power MOSFET 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 lea

Applications

* VBB must be shorted to VREG. For this condition, the absolute maximum rating of 15 V on VREG must be maintained to prevent damage to the A3938. 3 Allegro MicroSystems 955 Perimeter Road Manchester, NH 03103-3353 U. S. A. www. allegromicro. com A3938 Three-Phase Power MOSFET Controller ELECTRICAL CH

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A3938 Three-Phase Power MOSFET Controller Allegro MicroSystems

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