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TPS22966-Q1: is it ok we float VIN2/ON2/VOUT2/CT2 if channel 2 is not used

Part Number: TPS22966-Q1

Hi team,

Would you please check if I don't use channel 2, can I just leave VIN2/ON2/VOUT2/CT2 floating?

Or I should connect ON2 to ground, and leave VIN2/VOUT2/CT2 floating?

Thank you.

Regards,

Allen

  • Hi Allen,

    Welcome to E2E!

    I would suggest putting both channels in parallel as this will allow the system to drive larger currents and will reduce the Ron of the device.

    If you simply don't wish to use the second channel you can connect the device as you described connect ON2 to ground, and leave VIN2/VOUT2/CT2 floating, but it would be best to also connect VIN2 and VOUT2 to ground.

    Best regards,

    Andy Robles