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ST25R3911B VDD power

khoi nguyen
Associate
Posted on August 24, 2017 at 03:23

The ST25R3911B-disco board used 5V VDD.

Can you use 3.3V for VDD, is there any drawback for using 3.3V?

#st25r3911b-vdd
1 ACCEPTED SOLUTION

Accepted Solutions
Ulysses HERNIOSUS
ST Employee
Posted on December 14, 2017 at 15:37

Hi Khoi,

less supply voltage -> less output power -> less read range.

Regards, Ulrich

View solution in original post

1 REPLY 1
Ulysses HERNIOSUS
ST Employee
Posted on December 14, 2017 at 15:37

Hi Khoi,

less supply voltage -> less output power -> less read range.

Regards, Ulrich