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TCA9548A Datasheet Low-voltage 8-channel I2c Switch

Manufacturer: Texas Instruments

TCA9548A Overview

The TCA9548A device has eight bidirectional translating switches that can be controlled through the I2C bus. The SCL/SDA upstream pair fans out to eight downstream pairs, or channels. Any individual SCn/SDn channel or bination of channels can be selected, determined by the contents of the programmable control register.

TCA9548A Key Features

  • 1-to-8 Bidirectional translating switches
  • I2C Bus and SMBus patible
  • Active-low reset input
  • Three address pins, allowing up to eight
  • Channel selection through an I2C Bus, in any
  • Power up with all switch channels deselected
  • Low RON switches
  • Allows voltage-level translation between 1.8V
  • No glitch on power up
  • Supports hot insertion

TCA9548A Distributor