# A3981KLPTR-T (Component)
## Description
Motor Driver ICs
A3981KLPTR-T
TSSOP-28_L9.7-W4.4-P0.65-LS6.4-BL-EP-1
LCSC Part Number: C163315
JLCPCB Part Class: Extended Part
Manufactured by ALLEGRO(美国埃戈罗)
## Component Details
- **Owner:** lcsc
- **Created:** 11/7/2024
- **Last Updated:** 4/28/2025
- **Visibility:** Public
- **Part Type:** Motor Driver ICs
- **JLCPCB Part Class:** Extended Part
- **Manufacturer Name:** ALLEGRO(美国埃戈罗)
- **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1809140222_Allegro-MicroSystems--LLC-A3981KLPTR-T_C163315.pdf
- **LCSC Part Number:** C163315
- **Package or Case Code:** TSSOP-28_L9.7-W4.4-P0.65-LS6.4-BL-EP-1
- **Manufacturer Part Number:** A3981KLPTR-T
- **Product Info Url:** https://lcsc.com/product-detail/Motor-Drivers_ALLEGRO_A3981KLPTR-T_A3981KLPTR-T_C163315.html
- **Used in:** 3 projects
## 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/a3981klptr-t/allegro-microsystems?utm_currency=USD®ion=nac) | $1.1009 | 3.5K |
| [Digi-Key](https://www.digikey.com/en/products/detail/allegro-microsystems/A3981KLPTR-T/2601647) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C163315.html) | $3.6681 | 0 |
| [Mouser](https://www.mouser.com/en/ProductDetail/Allegro-MicroSystems/A3981KLPTR-T?qs=pUKx8fyJudDIQDea1oTmXw%3D%3D) | $5.08 | 11K |
| [Verical](https://www.verical.com/pd/allegro-microsystems-motor-controller-A3981KLPTR-T-560698?utm_currency=USD) | N/A | N/A |
- **Part Type:** Electromechanical Components
- **MPN:** A3981KLPTR-T
- **Mount Type:** PCB
- **Package / Case Code:** 28-TSSOP
- **Pin Count:** 29
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | SENSA | |
| 2 | STRn | |
| 3 | DIR | |
| 4 | OAP | |
| 5 | OSC | |
| 6 | SDI | |
| 7 | AGND | |
| 8 | REF | |
| 9 | SCK | |
| 10 | VDD | |
| 11 | OBP | |
| 12 | MS1 | |
| 13 | MS0 | |
| 14 | SENSB | |
| 15 | VBBB | |
| 16 | DIAG | |
| 17 | SDO | |
| 18 | OBM | |
| 19 | STEP | |
| 20 | VREG | |
| 21 | PGND | |
| 22 | VCP | |
| 23 | CP1 | |
| 24 | CP2 | |
| 25 | OAM | |
| 26 | ENABLE | |
| 27 | RESETn | |
| 28 | VBBA | |
| 29 | EP | |
---
*Generated from [https://www.flux.ai/lcsc/a3981klptr-t~4sl3](https://www.flux.ai/lcsc/a3981klptr-t~4sl3)*