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See Technical Specifications

A3979SLPTR-T +BOM

Microstepping DMOS Driver with Translator, TSSOP-28, RoHS

Manufacturer:

Allegro MicroSystems
Mfr.Part #:

A3979SLPTR-T
Datasheet:

A3979SLPTR-T Datasheet (PDF)
Motor Type - Stepper:

Bipolar
Function:

Driver - Fully Integrated, Control and Power Stage
Output Configuration:

Half Bridge (4)
Interface:

Logic
EDA/CAD Models:

Request Free CAD Models for A3979SLPTR-T

A3979SLPTR-T General Description

When it comes to safety and protection, the A3979SLPTR-T doesn't disappoint. Its thermal shutdown and overcurrent protection features ensure that both the motor driver and motor are safeguarded from potential damage, providing peace of mind during operation. Additionally, the IC's wide supply voltage range of 3 V to 5.5 V and maximum output current of 1.5 A per phase make it suitable for a variety of applications, offering flexibility and adaptability to different setups and requirements

Key Features

1.5 A, 50 V Continuous Output Rating

Low rDS(on) DMOS Output Drivers

Optimized Microstepping via 6-Bit Linear DACs

Programmable Mixed, Fast, and Slow Current-Decay Modes

4 MHz Internal Oscillator for Digital Timing

Serial-Interface Controls Chip Functions

Synchronous Rectification for Low Power Dissipation

Internal UVLO and Thermal Shutdown Circuitry

Crossover-Current Protection

Precision 2 V Reference

Inputs Compatible with 3.3 V or 5 V Control Signals

Sleep and Idle Modes

Specifications

Motor Type - Stepper	Bipolar	Motor Type - AC, DC	-
Function	Driver - Fully Integrated, Control and Power Stage	Output Configuration	Half Bridge (4)
Interface	Logic	Technology	DMOS
Step Resolution	1, 1/2, 1/4, 1/16	Applications	General Purpose
Current - Output	2.5A	Voltage - Supply	3V ~ 5.5V
Voltage - Load	8V ~ 35V	Operating Temperature	-20°C ~ 150°C (TJ)
Mounting Type	Surface Mount