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A3977SLPTR-T The Allegro Microsystems A3977SLPTR-T is a bipolar stepper motor driver IC. It offers a current output of 2.5A and operates within a supply voltage range of 3V to 5.5V.
Mfr Part #:

A3977SLPTR-T

Available from 4 distributors
Mfr Name: Allegro Microsystems
Allegro Microsystems
The Allegro Microsystems A3977SLPTR-T is a bipolar stepper motor driver IC. It offers a current output of 2.5A and operates within a supply voltage range of 3V to 5.5V.
✓ Total Stock: 20,220 pcs
$ Price Range: $2.25

A3977SLPTR-T Available from 4 distributors

✓ Authorised
✓ Non-Authorised
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A3977SLPTR-T Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Function
Interface
Motor Type
Mounting Type
Operating Temperature
Output Configuration
Step Resolution
Supplier Device Package
Technology
Voltage
Voltage Supply
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A3977SLPTR-T Description

Short technical summary and product information.

The A3977SLPTR-T from Allegro Microsystems is a fully integrated motor driver IC designed for bipolar stepper motors. It combines control and power stage functionalities, simplifying system design. This device supports step resolutions of 1, 1/2, 1/4, and 1/8, providing precise motor control.

 

Key electrical specifications include a continuous output current of 2.5A and a load voltage range of 8V to 35V. The supply voltage operates from 3V to 5.5V. The IC is built using DMOS technology and features a half-bridge output configuration.

 

Designed for general-purpose applications, the A3977SLPTR-T is suitable for various motor control tasks. It operates within an extended temperature range of -20°C to 150°C (TJ).

 

The component is housed in a 28-TSSOP-EP package with an exposed pad, designed for surface mounting. This packaging ensures efficient heat dissipation and reliable electrical connections.

A3977SLPTR-T Quick Information

Product Type: Motor Driver IC
Canonical Name: A3977SLPTR-T Bipolar Stepper Motor Driver IC
Subcategory: Bipolar Stepper Motor Driver

A3977SLPTR-T Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

A3977SLPTR-T Estimated Pricing

Qty Low High
1+ $2.25 $2.25

Estimated market price range - modelled values for guidance only, not live distributor offers.

A3977SLPTR-T Features

  • Fully integrated control and power stage.
  • 2.5A continuous output current.
  • 3V to 5.5V supply voltage range.
  • 8V to 35V load voltage capability.
  • Surface mount 28-TSSOP-EP package.

A3977SLPTR-T Applications

  • Suitable for general purpose applications.
  • Enables precise stepper motor control.
  • Supports various step resolutions.
  • Designed for wide voltage ranges.

A3977SLPTR-T FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the A3977SLPTR-T?

The logic supply voltage range is 3V to 5.5V, and the motor load voltage range is 8V to 35V.

What is the output current capability of the A3977SLPTR-T?

The driver can deliver up to 2.5A continuous output current.

What step resolutions does the A3977SLPTR-T support?

It supports full step, 1/2, 1/4, and 1/8 step resolutions.

What is the operating temperature range of the A3977SLPTR-T?

The operating junction temperature range is -20°C to 150°C.

What package is the A3977SLPTR-T available in?

It is available in a 28-TSSOP (0.173", 4.40mm Width) Exposed Pad package for surface mount assembly.

What type of motor can the A3977SLPTR-T drive?

It is designed to drive bipolar stepper motors.

What interface does the A3977SLPTR-T use?

It uses a logic-level interface for control.

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