A4988 Vs. TMC2208

Q: What is the distinction between the DRV8825 and the A4988?

The DRV8825 has a greater maximum supply voltage than the A4988 (45 V vs 35 V), which means it may be operated at higher voltages more safely and is less vulnerable to damage from LC voltage spikes.

Q: Is the TMC2209 compatible with the A4988?

The TMC2209 has the best compatibility with basic drivers (such as A4988 or DRV8825) because the most significant adjustments can be adjusted via pins.

Q: What exactly is A4988 driver?

The A4988 is a complete microstepping motor driver with an integrated translator for ease of use. It is intended to power bipolar stepper motors in full-, half-, quarter-, eighth-, and sixteenth-step modes, with output drive capacities of up to 35 V and 2 A.

Q: How can I know if A4988 is operational?

1.Turn off the motors. 2.Pins 7 (STEP) and 8 (DIR) should be connected to pin 9 (GND) 3.Connect a voltage of 3 - 5.5v to pin 10 (VDD). 4.Check that pin 9 is connected to Ground. 5 conduct a voltage test between pins 11 and 12. (1A-1B) 6 conduct a voltage test between pins 13 and 14. ( 2A-2B)

Sophie

Published: 09 March 2022 | Last Updated: 09 March 2022

10714

A4988SETTR-T

Allegro MicroSystems

2.087mm mm 2.79mm mm Motor Drivers 28 3.3V V 35V V 4 4.5mm mm

Purchase Guide

2.087mm mm 2.79mm mm Motor Drivers 28 3.3V V 35V V 4 4.5mm mm

This article will introduce the basic details and differences between A4988 and TMC2208.

This short video shows the comparison between A4988 and TMC2208.

TMC2208 Vs A4988 Stepper Motor Driver Sound Level Comparison

Catalog

A4988 Overview

The A4988 is a complete microstepping motor driver with an integrated translator for ease of use. It is intended to power bipolar stepper motors in full-, half-, quarter-, eighth-, and sixteenth-step modes, with output drive capacities of up to 35 V and 2 A. The A4988 has a fixed off-time current regulator that can operate in Slow or Mixed decay modes.

TMC2208 Overview

The TMC2208 is a motor driver IC for two-phase stepper motors that is extremely quiet. Their pinning is backwards compatible with a variety of legacy drivers.

A4988 Pinout

a4988 pinout.jpg

TMC2208 Pinout

A4988 CAD Model

Symbol

Footprint

a foot.png

3D Model

a4988 3d.jpg

TMC2208 CAD Model

Symbol

tmc symbol.png

Footprint

tmc foot.png

3D Model

tmc2208 3d.jpg

The Differences When Replacing A4988 With TMC2208

The TMC2208 driver board program, as announced on the TMC2208 official website, is completely compatible with the existing A4988 driver module. The MS1 and MS2 pins must be pulled high in order for the TMC2208 driver to provide 256 subdivision effects. There is no 16 subdivision calculation for the primary control MCU's pulses 4988 and 2208. The driving current of 4988 to the stepper motor is a 16 subdivided waveform, the current waveform is too lowly subdivided, and the theoretical sine wave is too widely apart. As a result, the motor operated by 4988 produces considerable vibration and noise.

Frequently Asked Questions

What is the distinction between the DRV8825 and the A4988?

The DRV8825 has a greater maximum supply voltage than the A4988 (45 V vs 35 V), which means it may be operated at higher voltages more safely and is less vulnerable to damage from LC voltage spikes.

Is the TMC2209 compatible with the A4988?

The TMC2209 has the best compatibility with basic drivers (such as A4988 or DRV8825) because the most significant adjustments can be adjusted via pins.

What exactly is A4988 driver?

The A4988 is a complete microstepping motor driver with an integrated translator for ease of use. It is intended to power bipolar stepper motors in full-, half-, quarter-, eighth-, and sixteenth-step modes, with output drive capacities of up to 35 V and 2 A.

How can I know if A4988 is operational?

1.Turn off the motors. 2.Pins 7 (STEP) and 8 (DIR) should be connected to pin 9 (GND) 3.Connect a voltage of 3 - 5.5v to pin 10 (VDD). 4.Check that pin 9 is connected to Ground. 5 conduct a voltage test between pins 11 and 12. (1A-1B) 6 conduct a voltage test between pins 13 and 14. ( 2A-2B)

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A4988SETTR-T

Allegro MicroSystems

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