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TCA9546A: High Voltage equivalent

Severin Stahl
Prodigy 10 points
Part Number: TCA9546A
Other Parts Discussed in Thread: P82B715

hi TiTeam,

can you suggeste an equivalent Part with a input bus voltage range beond 20 V or at least 20 V not the max 7V?

Or do you may have an extended specification for the part?

Best regards,

Severin

  • 0
    TI__Mastermind 48215 points

    Hi Severin,

    As 20V is far outside the specified voltage range for standard I2C communication, we don't offer any I2C switches that are compatible with these ranges. P82B715 is a bus extender which offers up to 12V compatibility, but this is for the more niche purpose of bus extension. 

    For what purpose do you plan to use a 20V I2C switch? Will you be switching 20V I2C signals or do you wish to control 20V lines with I2C commands? There may be a way to use a standard I2C switch in combination with external voltage translation to achieve such functionality. 

    Regards,
    Eric Schott