TCA9548A Low-Voltage 8-Channel I²C Switch with Reset

1 Features

1-to-8 Bidirectional translating switches
I²C Bus and SMBus compatible
Active-low reset input
Three address pins, allowing up to eight TCA9548A devices on the I²C bus
Channel selection through an I²C Bus, in any combination
Power up with all switch channels deselected
Low R_ON switches
Allows voltage-level translation between 1.8V, 2.5V, 3.3V, and 5V buses
No glitch on power up
Supports hot insertion
Low standby current
Operating power-supply voltage range of 1.65V to 5.5V
5-V Tolerant inputs
0 to 400kHz Clock frequency
Latch-up performance exceeds 100mA Per JESD 78, class II
ESD Protection exceeds JESD 22
- ±2000V Human-body model (A114-A)
- 200V Machine model (A115-A)
- ±1000V Charged-device model (C101)

Servers
Routers (telecom switching equipment)
Factory Automation
Products with I²C target address conflicts (such as multiple, identical temperature sensors)