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TCA9535: Application issues of chips

Tonyx.wu

Genius 4235 points

Part Number: TCA9535

Tool/software:

The new project TCA9535RTWR chip currently has a 1.3mA current phenomenon in 7 out of 180 chips in the production line. Can you help analyze where the current is usually damaged or caused? Thank you!

SCH_SCHEMATIC1.pdf

over 1 year ago

0 Tyler Townsend over 1 year ago

TI__Guru 52768 points

Hi Tony,

I do not have the adobe support package to open up the schematic. Can you repost? I have suspicion on what could cause this issue, but need to confirm within the schematic.

Regards,

Tyler

0 Tonyx.wu over 1 year ago in reply to Tyler Townsend

Genius 4235 points

Please give me your email so that I can forward the pictures to you and help confirm the issue as soon as possible. Thank you!

0 Tyler Townsend over 1 year ago in reply to Tonyx.wu

TI__Guru 52768 points

t-townsend@ti.com

0 Tonyx.wu over 1 year ago in reply to Tyler Townsend

Genius 4235 points

I have changed the schematic format to image format, and you should be able to see it now. Please reply as soon as possible. Thank you!

0 Tyler Townsend over 1 year ago in reply to Tonyx.wu

TI__Guru 52768 points

I will close the e2e thread since I am replying on email.