TCA9803 Overview
The TCA9803 is a dual-channel bidirectional buffer intended for I2C bus and SMBus/PMBus systems. It provides bidirectional level shifting (up-translation and down-translation) between low voltages (down to 0.8 V) and higher voltages (1.65 V to 3.6 V).
TCA9803 Key Features
- 1 Two-channel bidirectional buffer
- Integrated current source on B-side, requires no
- Ultra-low power consumption
- No static-voltage offset, low VOL
- I2C bus and SMBus patible
- Operating supply voltage range of 0.8 V to 3.6 V
- Operating supply voltage range of 1.65 V to 3.6 V
- Active-high repeater enable input
- Powered-off high impedance I2C bus pins on A
- Powered-off back-power protection I2C bus pins