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A3977SED-T The Allegro Microsystems A3977SED-T is a bipolar motor driver IC designed for general-purpose applications. It operates with a supply voltage of 3V to 5.5V and a load voltage of 8V to 35V.
Mfr Part #:

A3977SED-T

Available from 1 distributors
Mfr Name: Allegro Microsystems
Allegro Microsystems
The Allegro Microsystems A3977SED-T is a bipolar motor driver IC designed for general-purpose applications. It operates with a supply voltage of 3V to 5.5V and a load voltage of 8V to 35V.
✓ Total Stock: 5 pcs
$ Price Range: $2.25

A3977SED-T Available from 1 distributor

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✓ Non-Authorised
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Braun Electronic Components ✓
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5 pcs
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A3977SED-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
Supplier Package
Technology
Voltage
Voltage Supply
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A3977SED-T Description

Short technical summary and product information.

The A3977SED-T from Allegro Microsystems is a fully integrated motor driver IC, combining control and power stage functionalities. It is designed for bipolar stepper motor applications and supports step resolutions of 1, 1/2, 1/4, and 1/8.

 

This device features an output current capability of 2.5A and operates within a supply voltage range of 3V to 5.5V, with a load voltage capability of 8V to 35V. The IC utilizes DMOS technology and is configured with four half-bridge outputs.

 

It is suitable for general-purpose applications and is housed in a surface-mount 44-LCC (J-Lead) package. The operating temperature range is from -20°C to 150°C (TJ).

A3977SED-T Quick Information

Product Type: Motor Driver IC
Canonical Name: A3977SED-T Bipolar Motor Driver IC
Subcategory: Motor Drivers, Controllers

A3977SED-T Compliance

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

A3977SED-T Estimated Pricing

Qty Low High
1+ $2.25 $2.25

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

A3977SED-T Features

  • Fully integrated control and power stage.
  • Supports bipolar stepper motor control.
  • 2.5A maximum output current.
  • Wide operating voltage range.
  • Surface mount 44-LCC (J-Lead) package.

A3977SED-T Applications

  • Suitable for general-purpose stepper motor applications.
  • Drives bipolar stepper motors with microstepping up to 1/8 step.
  • Integrates control and power stage for compact designs.
  • Ideal for logic-level controlled motor systems.

A3977SED-T FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage for the A3977SED-T?

The supply voltage for the A3977SED-T is between 3V and 5.5V.

What is the load voltage range for this motor driver IC?

The load voltage range for the A3977SED-T is 8V to 35V.

What is the maximum output current of the A3977SED-T?

The A3977SED-T has an output current of 2.5A.

What is the operating temperature range for the A3977SED-T?

The operating temperature range for the A3977SED-T is -20°C to 150°C (TJ).

What type of package is the A3977SED-T in?

The A3977SED-T is available in a 44-LCC (J-Lead) package.

How is the A3977SED-T mounted?

The A3977SED-T is a surface mount device.

What motor types does the A3977SED-T support?

The A3977SED-T supports bipolar motor types.

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