# A4988SETTR-T (Component)
## Description
Bipolar Motor Driver 3-5.5V DMOS Logic 28-QFN (5x5) #commonpartslibrary
#integratedcircuit
#powermanagement
#motordriver
## Component Details
- **Owner:** adrian95
- **Created:** 7/12/2022
- **Last Updated:** 6/24/2024
- **Visibility:** Public
- **Datasheet URL:** https://www.allegromicro.com/~/media/Files/Datasheets/A4988-Datasheet.ashx
- **Part Type:** Integrated Circuit
- **Manufacturer Name:** Allegro MicroSystems
- **Manufacturer Part Number:** A4988SETTR-T
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Used in:** 179 projects
- **Stars:** 1
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/a4988settr-t/allegro-microsystems?utm_currency=USD®ion=nac) | $2.141 | 1.4K |
| [Digi-Key](https://www.digikey.com/en/products/detail/allegro-microsystems/A4988SETTR-T/2237991) | $3.14 | 0 |
| [LCSC](https://www.lcsc.com/product-detail/C38437.html) | $1.1031 | 690 |
| [Mouser](https://www.mouser.com/ProductDetail/Allegro-MicroSystems/A4988SETTR-T?qs=pUKx8fyJudAO7AcMiloTuA%3D%3D) | $2.96 | 7.4K |
| [Verical](https://www.verical.com/pd/allegro-microsystems-motor-controller-A4988SETTR-T-557828) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **MPN:** A4988SETTR-T
- **Package / Case Code:** 28-QFN
- **Pin Count:** 26
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | OUT2B | |
| 2 | ~ENABLE | |
| 3 | GND1 | |
| 4 | CP1 | |
| 5 | CP2 | |
| 6 | VCP | |
| 8 | VREG | |
| 9 | MS1 | |
| 10 | MS2 | |
| 11 | MS3 | |
| 12 | ~RESET | |
| 13 | ROSC | |
| 14 | ~SLEEP | |
| 15 | VDD | |
| 16 | STEP | |
| 17 | REF | |
| 18 | GND2 | |
| 19 | DIR | |
| 21 | OUT1B | |
| 22 | VBB1 | |
| 23 | SENSE1 | |
| 24 | OUT1A | |
| 26 | OUT2A | |
| 27 | SENSE2 | |
| 28 | VBB2 | |
| 29 | PAD | |
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*Generated from [https://www.flux.ai/adrian95/a4988settr-t~0cn](https://www.flux.ai/adrian95/a4988settr-t~0cn)*