HTRC110 to program FXTH87 tpms sensor

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HTRC110 to program FXTH87 tpms sensor

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Contributor II

hi,

I am designing a tpms sensor programmer with 125khz LF transmitter for data transfer. In order to reduce the sw effort, is it possible to use HTRC110 RFID reader IC. Two questions arise:

1. is there any reference design to share?

2. how to choose antenna coil? is a wounded inductor coil suitable or something like SEA-B emitter antenna from PREMO is needed?

anyone can guide me or share some experience?

thanks,

Anthony

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NXP TechSupport
NXP TechSupport

Hello,

I have checked with the block diagrams team and there is no reference design for this specific application.

Regarding the antenna request, it would be helpful to please refer to chapter 6 of following app note since it can be in many shapes but the important thing is how the impedance of the antenna is matched to the IC: https://www.nxp.com/docs/en/application-note/AN98080.pdf 

Hope it helps!

BR,

Ivan.

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