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A8498SLJ-T

SMD surface mount

Inventory:8,025

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Overview of A8498SLJ-T

The A8498SLJ-T is a bipolar stepper motor driver IC designed for use in various motion control and automation applications. This integrated circuit provides a compact and efficient solution for driving bipolar stepper motors, offering precise control and reliable performance.

Pinout

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

  • VCP: Charge Pump Flyback Voltage Regulator Input
  • OUTB: B Output for Phase B
  • VCP: Charge Pump Flyback Voltage Regulator Input
  • VCP: Charge Pump Flyback Voltage Regulator Input
  • OUTA: A Output for Phase A
  • API: Analog PWM Input
  • NC: No Connection
  • GND: Ground
  • VS: Power Supply
  • DIR: Direction Input
  • STEP: Step Input
  • NC: No Connection
  • VREF: Reference Voltage Output


Circuit Diagram

Incorporate a circuit diagram that illustrates the connections and operation of the A8498SLJ-T IC for a more visual representation.

Key Features

  • Bipolar Stepper Motor Driver: The A8498SLJ-T is specifically designed for driving bipolar stepper motors, providing precise control over motor movements.
  • Internal PWM Current Control: This IC includes internal PWM current control, allowing for efficient and precise current regulation to the stepper motor windings.
  • Microstepping: The A8498SLJ-T supports microstepping operation, enabling smooth and precise motion control for stepper motors.
  • Integrated Protection Features: It includes built-in protection features such as overcurrent protection and thermal shutdown to ensure the safety and reliability of the motor driver.

Note: For detailed technical specifications, please refer to the A8498SLJ-T datasheet.

Application

  • Robotics: The A8498SLJ-T is suitable for driving stepper motors in robotics applications, providing precise and reliable control over robotic movements.
  • CNC Machines: This IC is commonly used in CNC (Computer Numerical Control) machines for controlling the motion of axes and tool heads.
  • 3D Printers: It can be employed in 3D printers to drive the stepper motors responsible for controlling the printer's movements and extruder mechanisms.

Functionality

The A8498SLJ-T is designed to efficiently and accurately control the movement of bipolar stepper motors. It provides precise current regulation and microstepping capabilities, making it an ideal solution for various motion control applications.

Usage Guide

  • Power Supply: Connect the VS pin to the power supply and GND pin to ground.
  • Motor Connections: Connect the stepper motor phase A and phase B outputs (OUTA and OUTB) to the respective motor windings.
  • Control Inputs: Apply control signals to the DIR (direction) and STEP inputs to control the direction and step movements of the stepper motor.

Frequently Asked Questions

Q: Can the A8498SLJ-T be used for high-precision motion control applications?
A: Yes, the A8498SLJ-T provides microstepping capability, making it suitable for high-precision motion control requirements.

Equivalent

For similar functionality, consider these alternatives to the A8498SLJ-T:

  • DRV8825: A popular stepper motor driver IC with microstepping capability and integrated current regulation.
  • L6470: An advanced motion control IC with integrated driver and control features suitable for demanding motion control applications.
  • AMIS-30624: A stepper motor driver IC with integrated current control and protection features, ideal for precise motion control applications.

Specifications

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

ECCN (US) EAR99 Part Status Active
HTS 8542.39.00.01 SVHC Yes
Automotive No PPAP No
Type Step Down Output Type Adjustable
Switching Regulator Yes Number of Outputs 1
Output Voltage (V) 0.8 to 24 Maximum Output Current (A) 3
Minimum Input Voltage (V) 8 Maximum Input Voltage (V) 50
Operating Supply Voltage (V) 8 to 50 Typical Quiescent Current (uA) 4400
Minimum Operating Temperature (°C) -20 Maximum Operating Temperature (°C) 85
Packaging Tube Mounting Surface Mount
Package Height 1.55(Max) Package Width 3.9
Package Length 4.9 PCB changed 8
Standard Package Name SO Supplier Package SOIC N EP
Pin Count 8 Lead Shape Gull-wing

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