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TCA9617B: 5V to 3.3V level shift

Kai Hsiao
Guru 12675 points
Part Number: TCA9617B
Other Parts Discussed in Thread: TCA9617A,

HI Sir 

Does TI have level shift solution can support 5V to 3.3V

Due to I saw TCA9617A need to do VCCA < VCCB

Thanks

  • 0
    TI__Mastermind 23176 points
    Hello Kai,
    I2C is a bidirectional protocol, thus that means you can switch where the master and the slave is. Place slave on Vcca side with 3.3V then place master with 5V to Vccb. I would also recommend using the TCA9617B, it has powered off high-impedance bus.
    -Francis Houde