TI's I2C Multiplexer and Switch ICs will help you with your I2C device projects.
For more information, see the I2C Overview, which includes overviews of the TCA, PCA, and PCF technologies, as well as Portfolio links, a Competitor Cross Reference, and Videos.
4-Channel I2C and SMBus Multiplexer With Interrupt Logic
4-Channel I2C and SMBus Switch With Reset Function
2-Channel I2C Bus Switch With Interrupt Logic and Reset