# A3977SLPTR-T (Component)
## Description
Motor Driver ICs
A3977SLPTR-T
TSSOP-28_L9.7-W4.4-P0.65-LS6.4-BL-EP
LCSC Part Number: C163514
JLCPCB Part Class: Extended Part
Manufactured by ALLEGRO(美国埃戈罗)
## Component Details
- **Owner:** lcsc
- **Created:** 11/8/2024
- **Last Updated:** 4/28/2025
- **Visibility:** Public
- **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410122030_Allegro-MicroSystems--LLC-A3977SLPTR-T_C163514.pdf
- **Manufacturer Part Number:** A3977SLPTR-T
- **JLCPCB Part Class:** Extended Part
- **Package or Case Code:** TSSOP-28_L9.7-W4.4-P0.65-LS6.4-BL-EP
- **Manufacturer Name:** ALLEGRO(美国埃戈罗)
- **Product Info Url:** https://lcsc.com/product-detail/Motor-Drivers_Allegro-MicroSystems-LLC_A3977SLPTR-T_Allegro-MicroSystems-LLC-A3977SLPTR-T_C163514.html
- **LCSC Part Number:** C163514
- **Part Type:** Motor Driver ICs
- **Used in:** 2 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/a3977slptr-t/allegro-microsystems?utm_currency=USD®ion=europe) | $5.113 | 12K |
| [Digi-Key](https://www.digikey.com/en/products/detail/allegro-microsystems/A3977SLPTR-T/1006328) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C163514.html) | $3.4172 | 877 |
| [Mouser](https://www.mouser.com/en/ProductDetail/Allegro-MicroSystems/A3977SLPTR-T?qs=pUKx8fyJudAzRYzdGy%252BsuQ%3D%3D) | $5.44 | 0 |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=A3977SLPTR-T) | $5.02 | 52 |
| [Verical](https://www.verical.com/pd/allegro-microsystems-motor-controller-A3977SLPTR-T-504687?utm_currency=USD) | N/A | N/A |
- **Part Type:** Electromechanical Components
- **MPN:** A3977SLPTR-T
- **Mount Type:** PCB
- **Package / Case Code:** 28-TSSOP
- **Pin Count:** 29
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | SENSE1 | |
| 2 | HOME | |
| 3 | DIR | |
| 4 | OUT1A | |
| 5 | PFD | |
| 6 | RC1 | |
| 7 | AGND | |
| 8 | REF | |
| 9 | RC2 | |
| 10 | LOGICSUPPLE | |
| 11 | OUT2A | |
| 12 | MS2 | |
| 13 | MS1 | |
| 14 | SENSE2 | |
| 15 | LOADSUPPLY2 | |
| 16 | SR | |
| 17 | ~{RESET} | |
| 18 | OUT2B | |
| 19 | STEP | |
| 20 | VREG | |
| 21 | PGND | |
| 22 | VCP | |
| 23 | CP1 | |
| 24 | CP2 | |
| 25 | OUT1B | |
| 26 | ~{ENABLE} | |
| 27 | ~{SLEEP} | |
| 28 | LOADSUPPLY1 | |
| 29 | PAD | |
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*Generated from [https://www.flux.ai/lcsc/a3977slptr-t~oco9](https://www.flux.ai/lcsc/a3977slptr-t~oco9)*