# TCA9535RTWR (Component)
## Description
I/O Expanders
TCA9535RTWR
QFN-24_L4.0-W4.0-P0.50-BL-EP2.6
LCSC Part Number: C129354
JLCPCB Part Class: Extended Part
Manufactured by TI(德州仪器)
## Component Details
- **Owner:** lcsc
- **Created:** 11/4/2024
- **Last Updated:** 4/29/2025
- **Visibility:** Public
- **Product Info Url:** https://lcsc.com/product-detail/I-O-Expansion_TI_TCA9535RTWR_TCA9535RTWR_C129354.html
- **Package or Case Code:** QFN-24_L4.0-W4.0-P0.50-BL-EP2.6
- **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_Texas-Instruments-TCA9535RTWR_C129354.pdf
- **Manufacturer Part Number:** TCA9535RTWR
- **JLCPCB Part Class:** Extended Part
- **Part Type:** I/O Expanders
- **Manufacturer Name:** TI(德州仪器)
- **LCSC Part Number:** C129354
## 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/tca9535rtwr/texas-instruments.html?utm_currency=USD®ion=nac) | N/A | N/A |
| [Digi-Key](https://www.digikey.com/en/products/detail/texas-instruments/TCA9535RTWR/2170374) | N/A | N/A |
| [HQonline](https://www.hqonline.com/product-detail/i-o-expanders-ti-tca9535rtwr-2500421373) | $0.75088 | 10 |
| [LCSC](https://www.lcsc.com/product-detail/C129354.html) | $1.1853 | 4.8K |
| [Mouser](https://www.mouser.com/en/ProductDetail/Texas-Instruments/TCA9535RTWR?qs=OaSNdy%2FNfzlJdtatwDY%2FNw%3D%3D) | $1.67 | 14K |
| [Verical](https://www.verical.com/pd/texas-instruments-interface---i-o-expander-TCA9535RTWR-523498?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Other
- **Manufacturer:** Texas Instruments
- **MPN:** TCA9535RTWR
- **Mount Type:** PCB
- **Package / Case Code:** 24-QFN
- **Pin Count:** 25
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | P00 | |
| 2 | P01 | |
| 3 | P02 | |
| 4 | P03 | |
| 5 | P04 | |
| 6 | P05 | |
| 7 | P06 | |
| 8 | P07 | |
| 9 | GND | |
| 10 | P10 | |
| 11 | P11 | |
| 12 | P12 | |
| 13 | P13 | |
| 14 | P14 | |
| 15 | P15 | |
| 16 | P16 | |
| 17 | P17 | |
| 18 | A0 | |
| 19 | SCL | |
| 20 | SDA | |
| 21 | VCC | |
| 22 | INT | |
| 23 | A1 | |
| 24 | A2 | |
| 25 | PAD | |
---
*Generated from [https://www.flux.ai/lcsc/tca9535rtwr~t2ng](https://www.flux.ai/lcsc/tca9535rtwr~t2ng)*