# TCA9554PWR (Component)
## Description
I/O Expanders
TCA9554PWR
SSOP-16_L4.9-W3.9-P0.64-LS6.0-BL-1
LCSC Part Number: C477924
JLCPCB Part Class: Extended Part
Manufactured by TI(德州仪器)
## Component Details
- **Owner:** lcsc
- **Created:** 11/5/2024
- **Last Updated:** 4/23/2025
- **Visibility:** Public
- **Product Info Url:** https://lcsc.com/product-detail/Interface-I-O-Expanders_Texas-Instruments-Texas-Instruments-TCA9554PWR_C477924.html
- **Package or Case Code:** SSOP-16_L4.9-W3.9-P0.64-LS6.0-BL-1
- **Datasheet URL:** https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010131_Texas-Instruments-TCA9554PWR_C477924.pdf
- **Manufacturer Part Number:** TCA9554PWR
- **LCSC Part Number:** C477924
- **Part Type:** I/O Expanders
- **JLCPCB Part Class:** Extended Part
- **Manufacturer Name:** TI(德州仪器)
- **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/tca9554pwr/texas-instruments.html?utm_currency=USD®ion=nac) | $0.9151 | 136 |
| [Digi-Key](https://www.digikey.com/en/products/detail/texas-instruments/TCA9554PWR/2810480) | N/A | N/A |
| [HQonline](https://www.hqonline.com/product-detail/i-o-expanders-ti-tca9554pwr-2500317006) | $0.63501 | 168 |
| [LCSC](https://www.lcsc.com/product-detail/C477924.html) | $0.7729 | 12K |
| [Mouser](https://www.mouser.com/ProductDetail/Texas-Instruments/TCA9554PWR?qs=3jfYfyvUSwCBtn1t1MNp6g%3D%3D) | $1.51 | 5.1K |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=TCA9554PWR) | $1.21 | 0 |
| [Verical](https://www.verical.com/pd/texas-instruments-interface---i-o-expander-TCA9554PWR-511108?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Other
- **Manufacturer:** Texas Instruments
- **MPN:** TCA9554PWR
- **Mount Type:** PCB
- **Package / Case Code:** 16-SSOP
- **Pin Count:** 16
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | AO | |
| 2 | A1 | |
| 3 | A2 | |
| 4 | PO | |
| 5 | P1 | |
| 6 | P2 | |
| 7 | P3 | |
| 8 | GND | |
| 9 | P4 | |
| 10 | P5 | |
| 11 | P6 | |
| 12 | P7 | |
| 13 | #INT | |
| 14 | SCL | |
| 15 | SDA | |
| 16 | VCC | |
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*Generated from [https://www.flux.ai/lcsc/tca9554pwr~y6co](https://www.flux.ai/lcsc/tca9554pwr~y6co)*