TCA9548A-Q1 Automotive 8-Channel I²C Switch with Reset

1 Features

AEC-Q100 (grade 1): Qualified for automotive applications
Functional Safety-Capable
- Documentation available to aid in functional safety system design
1-to-8 Bidirectional translating switches
I²C Bus and SMBus compatible
Active-low reset input
Three address pins, allowing up to eight TCA9548A-Q1 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 1.8 V,
2.5 V, 3.3 V, and 5 V buses
No glitch on power up
Supports hot insertion
Low quiescent current
Operating power-supply voltage range of
1.65 V to 5.25 V
5 V tolerant Inputs
0 to 400 kHz clock frequency
Latch-up performance exceeds 100 mA per JESD 78, class II

Infotainment
Body and control
Routers (telecom switching equipment)
Factory automation
Products with I²C target address conflicts (such as multiple, identical temperature sensors)