인터페이스

I2C overview

Optimize I2C signals, increase system reliability and extend system functionality

Level shifters, buffers & hubs

Strengthen your I2C bus signal and resolve voltage mismatch.

General-purpose I/O (GPIO) expanders

Increase the number of available I2C I/O pins.

Switches & multiplexers

Expand the capability of your control system by switching between I2C buses.

Isolated I2C

Extend industrial isolation lifetime with low-power, bidirectional I2C isolators.

Keypad controllers & LED drivers

Enable designs with I2C-based keypad scanners and LED drivers.

Featured products

TCA9802

Level-translating I2C bus buffer and repeater

PCA9306

2-bit bidirectional I2C bus and SMBus voltage-level shifter

TCA9535

Remote 16-bit I2C and SMBus, low-power I/O expander with interrupt output and configuartion registers

Technical resources

Use our I2C Designer tool to simplify your I2C bus implementation and find compatible devices.

See our E2E™ technical support forums for your source to fast, verified answers and design help from our experts.

Search for any suppliers’ I2C devices to find our similar I2C devices.

기술 문서

Featured technical articles