3977 Datasheet - Allegro MicroSystems

MICROSTEPPING DMOS DRIVER WITH TRANSLATOR

3977 Features

* ±2.5 A, 35 V Output Rating Low rDS(on) Outputs, 0.45 Ω Source, 0.36 Ω Sink Typical Automatic Current Decay Mode Detection/Selection 3.0 V to 5.5 V Logic Supply Voltage Range Mixed, Fast, and Slow Current Decay Modes Home Output Synchronous Rectif

3977 General Description

Device Operation. The A3977 is a complete microstepping motor driver with built in translator for easy operation with minimal control lines. It is designed to operate bipolar stepper motors in full-, half-, quarterand eighth-step modes. The current in each of the two output H-bridges, all n-channel .

3977 Datasheet (569.24 KB)

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Datasheet Details

Part number:

3977

Manufacturer:

Allegro MicroSystems

File Size:

569.24 KB

Description:

Microstepping dmos driver with translator.
3977 A3977xED (PLCC) LOAD SUPPLY 1 SENSE 1 ENABLE OUT 1A HOME GND GND GND SLEEP OUT 1B MICROSTEPPING DMOS DRIVER WITH TRANSLATOR The A3977xED and A39.

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39-01-2145 Connector (Molex)

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39-28-8xxx Header (Molex)

39-29-0xxx Header (Molex)

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3977 MICROSTEPPING DMOS DRIVER WITH TRANSLATOR Allegro MicroSystems

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3977 Features

3977 General Description

Datasheet Details

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