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Best answer by Brian TIDAL

Hi Ted,

Thermal Pad must be grounded for ST25R3916/16B/17/17B/18/19/19B/20/20B.

Rgds

BT

3 replies

Brian TIDAL
Technical Moderator
July 18, 2023

Hi,

which pin number/pin name do you refer to?

Rgds

BT

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TedAAuthor
Associate II
July 18, 2023

Hi Brian,

Thanks for the quick response.   The pin number is 33, which is named Thermal Pad.  It is a 3.5mm x 3.5mm square pad on the bottom surface of the chip.

Ted

Brian TIDAL
Brian TIDALBest answer
Technical Moderator
July 18, 2023

Hi Ted,

Thermal Pad must be grounded for ST25R3916/16B/17/17B/18/19/19B/20/20B.

Rgds

BT

In order to give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.
TedAAuthor
Associate II
July 18, 2023

Thanks so much, Brian.