TMC260A-PA-T

Product Overview

Category

The TMC260A-PA-T belongs to the category of motor driver integrated circuits.

Use

It is primarily used for controlling and driving stepper motors.

Characteristics

• High-performance motor control
• Microstepping capability
• Low power consumption
• Smooth and precise motor movements

Package

The TMC260A-PA-T is available in a compact surface-mount package.

Essence

The essence of the TMC260A-PA-T lies in its ability to provide efficient and accurate control over stepper motors, enabling smooth and precise motion in various applications.

Packaging/Quantity

The TMC260A-PA-T is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Operating Voltage: 4.75V to 16.5V
• Output Current: Up to 2.5A RMS
• Microstepping Resolution: Up to 1/256
• Step/Direction Interface
• SPI Interface for Configuration
• Overtemperature Protection
• Short-Circuit Protection

Detailed Pin Configuration

The TMC260A-PA-T features the following pin configuration:

1. VDD - Power supply voltage
2. GND - Ground reference
3. STEP - Step input signal
4. DIR - Direction input signal
5. EN - Enable input signal
6. MS1 - Microstep resolution selection bit 1
7. MS2 - Microstep resolution selection bit 2
8. MS3 - Microstep resolution selection bit 3
9. REF - Reference voltage for current scaling
10. VM - Motor supply voltage
11. VREF - Voltage reference output
12. DIAG0 - Diagnostic output 0
13. DIAG1 - Diagnostic output 1
14. CLK - Clock input for SPI interface
15. SDI - Serial data input for SPI interface
16. SDO - Serial data output for SPI interface
17. CSN - Chip select input for SPI interface

Functional Features

• Microstepping: The TMC260A-PA-T supports microstepping up to 1/256, allowing for smoother and more precise motor movements.
• Current Scaling: It provides a reference voltage (VREF) for current scaling, enabling adjustable motor current levels.
• Diagnostic Outputs: The DIAG0 and DIAG1 pins provide diagnostic information about the motor status, such as overtemperature or short-circuit conditions.
• SPI Interface: The TMC260A-PA-T features an SPI interface for easy configuration and control of various parameters.

Advantages and Disadvantages

Advantages

• High-performance motor control with microstepping capability
• Low power consumption
• Compact package size
• Overtemperature and short-circuit protection

Disadvantages

• Requires external components for motor connection and power supply
• Limited maximum output current compared to some other motor drivers

Working Principles

The TMC260A-PA-T operates by receiving step and direction signals from a controller. It converts these signals into precise motor movements by controlling the current flowing through the stepper motor windings. By utilizing microstepping, it can achieve smoother motion and higher resolution compared to traditional full-step or half-step driving methods.

Detailed Application Field Plans

The TMC260A-PA-T finds applications in various fields where precise motor control is required. Some of the potential application areas include:

1. Robotics: The TMC260A-PA-T can be used in robotic systems to control the movement of robot arms, joints, or other motorized components.
2. 3D Printing: It enables accurate positioning and smooth motion control in 3D printers, ensuring high-quality prints.
3. CNC Machines: The TMC260A-PA-T can drive stepper motors in computer numerical control (CNC) machines, providing precise control over the movement of cutting tools or workpieces.
4. Automated Equipment: It can be employed in automated equipment and machinery to control conveyor belts, robotic arms, or other motor-driven mechanisms.

Detailed and Complete Alternative Models

1. TMC2208-PA-T: A similar motor driver IC with advanced features such as stealthChop for silent operation and stallGuard for sensorless homing.
2. DRV8825: Another popular motor driver IC offering high current capability and step resolution options.
3. A4988: A cost-effective motor driver IC suitable for basic stepper motor control applications.

These alternative models provide different sets of features and performance characteristics, allowing users to choose the most suitable option based on their specific requirements.

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