TCA9517: Check the schematics

Rannie Zhou

Part Number: TCA9517

Hi Expert,

My customer uses the TCA9517 in the following circuit. Please help to review the schemtic shown as below.
Customer referenced the datasheet for the design, connecting 3.3V to the master and 1.8V to the slave.

Schematics:

BRs,

Rannie

7 months ago

0 Joshua Salinas 7 months ago

TI__Mastermind 36470 points

Hello Rannie,

We are looking into this and will respond soon. Thank you!

Regards,

Josh

0 Tyler Townsend 7 months ago

TI__Guru 60618 points

Hi Rannie,

This is correct implementation.

You may want to use stronger PU resistors depending on the expected cap load the customer plans to drive. 10k's are quite weak PU resistors, you might try 4.7k for additional PU strength for heavier bus loads.

Regards,

Tyler

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TCA9517: Check the schematics