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TCA9617A: TCA9617A VccA / VccB SPEC question

AJ Cheng
Genius 3615 points
Part Number: TCA9617A

Hello

We want to use TCA9617A pin to pin replace to NXP PCA9617A. But got some SPEC issue.

Our customer VccA is 3.3V / Vccb is 2.6V. Under this condition PCA9617A can be used. But TCA9617A got fail. Layout was fixed we can not change VccA to VccB.

Please reference on below information. If we do not change the Layout, is there any other way to solve it? Thanks for help.~

PCA9617A SPEC

TCA9617A

  • 0
    TI__Guru 73661 points
    Hey AJ,

    Do you need to be using fast mode plus (1MHz) or will fast mode be enough (400kHz)? If so the TCA980x may work for you as it is also a pin to pin solution. A side can be higher than B side on this device.

    -Bobby