• A4989SLDTR-T TSSOP-38
A4989SLDTR-T TSSOP-38

A4989SLDTR-T

Dual Full Bridge MOSFET Driver W/Microstep Translator

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Overview of A4989SLDTR-T

The A4989SLDTR-T is a microstepping motor driver IC designed for driving bipolar stepper motors.It features a wide input voltage range and advanced current control to provide precise and efficient motor control capabilities, making it ideal for various motion control applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VREF: Reference voltage for current control
  • GND: Ground connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the A4989SLDTR-T IC for a visual representation.

Key Features

  • Microstepping Motor Driver: Designed for driving bipolar stepper motors with microstepping capability.
  • Wide Input Voltage Range: Supports a wide input voltage range, making it versatile for different applications.
  • Advanced Current Control: Offers advanced current control for precise motor movements and energy efficiency.
  • Diagnostic Output: Includes a diagnostic output for monitoring motor status and performance.
  • Thermal Shutdown Protection: Features thermal shutdown protection to prevent overheating and ensure device safety.
  • Compact Package: Available in a compact and space-saving package for easy integration into designs.

Note: For detailed technical specifications, please refer to the A4989SLDTR-T datasheet.

Application

  • Robotics: Ideal for motion control in robotic systems.
  • CNC Machines: Suitable for driving stepper motors in CNC machines.
  • 3D Printers: Used for precise movement control in 3D printers.

Functionality

The A4989SLDTR-T is a microstepping motor driver IC that provides precise control over bipolar stepper motors, enabling accurate motion in various applications.

Usage Guide

  • Power Supply: Connect VREF and VS to appropriate power sources as per the datasheet recommendations.
  • Motor Connections: Connect the stepper motor phase inputs and outputs according to the datasheet guidelines.
  • Enable Control: Use the ISENA and ISENB pins to enable or disable the motor phases.

Frequently Asked Questions

Q: What is the maximum current rating of the A4989SLDTR-T?
A: The A4989SLDTR-T can handle a maximum current rating of X amps.

Q: Is the A4989SLDTR-T compatible with 3.3V logic systems?
A: Yes, the A4989SLDTR-T is compatible with 3.3V logic systems.

Equivalent

For similar functionalities, consider these alternatives to the A4989SLDTR-T:

  • TMC2130-LA-T: This is a stepper motor driver IC with advanced features for precise motion control.
  • DRV8825PWP: A motor driver IC that offers high current handling capabilities for stepper motors.

A4989SLDTR-T

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Gate Drivers RoHS Details
Product MOSFET Gate Drivers Type Full-Bridge
Mounting Style SMD/SMT Package / Case TSSOP-38
Number of Drivers 2 Driver Number of Outputs 2 Output
Output Current 200 mA Supply Voltage - Min 3 V
Supply Voltage - Max 5.5 V Rise Time 120 ns
Fall Time 60 ns Minimum Operating Temperature - 20 C
Maximum Operating Temperature + 85 C Series A4989
Brand Allegro MicroSystems Maximum Turn-Off Delay Time 180 ns
Maximum Turn-On Delay Time 180 ns Moisture Sensitive Yes
Off Time - Max 80 ns Operating Supply Current 10 mA
Product Type Gate Drivers Propagation Delay - Max 180 ns
Rds On - Drain-Source Resistance 55 Ohms Factory Pack Quantity 4000
Subcategory PMIC - Power Management ICs

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