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A3977SLPTR-T +BOM

Microstepping DMOS Driver with Translator, TSSOP-28, RoHS

A3977SLPTR-T Information

Description

The A3977SLPTR-T is a microstepping motor driver IC from Allegro MicroSystems, LLC. It's designed for driving bipolar stepper motors and provides control over motor speed and direction. The chip features a built-in translator for easy operation and programmable output current up to 750 mA. Additionally, it includes thermal shutdown and crossover current protection for safe operation. This versatile driver IC operates on a supply voltage ranging from 4.5 to 30 V and is suitable for various automation systems, including robotics, CNC machines, 3D printers, and automated equipment in industries such as manufacturing, automotive, and electronics.

Features

The A3977SLPTR-T features include:

  • Microstepping motor driver
  • Built-in translator for easy operation
  • Programmable output current up to 750 mA
  • Thermal shutdown and crossover current protection
  • Operates on a supply voltage range of 4.5 to 30 V
  • Suitable for bipolar stepper motors

These features make it suitable for various automation systems, such as robotics, CNC machines, 3D printers, and automated equipment in industries like manufacturing, automotive, and electronics.

Package

The package type of the A3977SLPTR-T is a TSSOP-28.

Pinout

Based on the product information provided, I can tell you that:

  • The package type of the A3977SLPTR-T is TSSOP-28.
  • According to Allegro MicroSystems' datasheet, the pin count for this device is 28.

As for the function of each pin, I would recommend referring to the official datasheet or a reputable external source.

Manufacturer

The manufacturer of the A3977SLPTR-T is Allegro MicroSystems, LLC.

Applications

According to the product information, the application areas of A3977SLPTR-T include:

  • Motor control applications
  • Driving bipolar stepper motors
  • Control over motor speed and direction
  • Suitable for various automation systems such as:
  • + Robotics
  • + CNC machines
  • + 3D printers
  • + Automated equipment in industries like manufacturing, automotive, and electronics

Equivalent

Based on Allegro MicroSystems' product family and market trends, some equivalent products to A3977SLPTR-T are:

  • A3967SLPTR-T
  • A3985SKTR-T
  • L6474

These ICs share similar features such as microstepping motor control, programmable output current, thermal shutdown, and crossover current protection. They operate on a wide supply voltage range and are suitable for driving bipolar stepper motors in various applications like robotics, CNC machines, and automated equipment.

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, 1/8 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 Package/Case TSSOP-28

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