A3985 Datasheet - Allegro MicroSystems

Digitally Programmable Dual Full-Bridge MOSFET Driver

A3985 Features

* ▪ Serial interface for full digital control ▪ Dual full-bridge gate drive for N-channel MOSFETs ▪ Dual 6-bit DAC current reference ▪ Operation over 12 to 50 V supply voltage range ▪ Synchronous rectification ▪ Cross-conduction protection ▪ Adjustable mixed decay ▪ Fixed off-time PWM current control

A3985 General Description

The A3985 is a flexible dual full-bridge gate driver suitable for driving a wide range of higher power industrial bipolar 2-phase stepper motors or 2-phase brushless dc motors. It can also be used to drive two individual torque motors or solenoid actuators. Motor power is provided by external N-chan.

A3985 Datasheet (772.75 KB)

A3985 Datasheet Preview — Preview of A3985 PDF

Datasheet Details

Part number:

A3985

Manufacturer:

Allegro MicroSystems

File Size:

772.75 KB

Description:

Digitally programmable dual full-bridge mosfet driver.

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A3985 Digitally Programmable Dual Full-Bridge MOSFET Driver Allegro MicroSystems

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A3985 Features

A3985 General Description

Datasheet Details

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