TRF7960 RFID breakout board with PCB antenna and z-matching

Archive New Product Ideas
1

TI has a great little chip for read/write 13.56mhz tags but it is so great they made it tiny and is hard to work with. The chip is less than 10 bucks and all it needs is the 13.56xtal, the z-matching components and antenna. At that point all you need is the pin out for the power/ground and communication (8bit par or 4 pin SPI).

I know there would be a lot of people interested in a board that only needs a few components baked on (or even fully assembled).

Anyone reading this interested as well?

Andy

2

TI sent me their evaluation board information. What I was thinking was just cut out everything except the RFID chip, headers, xtal and keep their z matching circuit and antenna. The tuning cap values should be the same since the antenna section will be the same.

Personally, I want to have one microcontroller interfacing with several of these (maybe up to 6).

3

Any success, guys?

4

Cool part, color my interest level “yes.”

5

I have the info. Does anyone want to get it into a format where it can be ordered through one of those cheap pcb places? I think sparkfun has a link to a really cheap one.

6

I will order these and give one to whoever copies it into an orderable file for me.

7

http://www.ti.com/litv/zip/sloc086a

I was thinking if we cut out the microprocessor and usb chip this would be a nice breakout board with integrated antennae

Andy

8

I am interested in working with the TRF7960 chip. Did the

breakout board idea for this ever go anywhere?

-John

9

If so, let me know. Else I’m starting an RFID project and if it isn’t already built I’ll create a breakout for prototype development…

Jeff

10

I would be interested in seeing a breakout board if you make one. Gerbers for the EVM are also available at the TI site.

http://www.ti.com/litv/zip/sloc133

11

Yes I’m interested in the chip without the breakout

12

If this board was never designed, we(TI) have a layout for a SPI breakout board. If anyone is interested in making some of these, let me know and I will send the board design files. The design has all the matching components and a spot where you could put a tuned antenna via SMA as well as a spot to attach a coil and have the resonant circuit on the board.