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SN74LV4052A: MUX for I2C recommendation

Dane Zhang
Expert 5615 points
Part Number: SN74LV4052A
Other Parts Discussed in Thread: TCA9548A, TCA9546A, , SN74LV4051A

Hi team,

do we have recommendation for below requests?

1. 4ch 2.3-5.5V I2C/SMBUS MUX

2. 8ch 2.3-5.5V I2C/SMBUS MUX

  • 0
    Guru 282290 points

    Usually, you'd want to use a switch that can itself be controlled through I²C. See TCA9546A or TCA9548A; these devices also support level shifting.

    If you want to control the switch with separate GPIO signals, you can use any analog switch that supports your supply voltage and has a low-enough Ron. The SN74LV4052A or 2x SN74LV4051A would work fine.