NFC Reader Replacement Options
Thought for 2 mins 55 sec
Here are three 13.56 MHz NFC reader ICs that support SPI and are 3.3 V-compatible. You can use one of these to replace U2 in your design:
Table
| Option | Part Name | Description | Package | Voltage Range | Library Link | Datasheet |
|---|---|---|---|---|---|---|
| 1 | PN7160B1HN/C100E | FeliCa, ISO 14443, ISO 15693, MIFARE, NFC reader IC; SPI interface | 40-VFQFN | 1.65 V–1.95 V, 3.0 V–3.6 V | 9357ae83-3020-449d-93f3-abebe64c53ce | |
| 2 | ST25R3911B-AQFT | ISO 14443, NFC reader IC with SPI; supports external antenna tuning | 32-VFQFN | 2.4 V–5.5 V | 380d28fd-378b-44b4-b160-b4fa5ede571d | |
| 3 | PN5321A3HN/C106,51 | PN532 family NFC reader controller; SPI interface; very common, QFN-40 | QFN-40 | 3.3 V (nominal) | 88153aec-ff43-4e82-bb70-d76b1bdb3cb6 |
Which one would you like to use to replace the RC522 (U2)?
Choose PN7160
Choose ST25R3911B
Pin mapping help
Antenna matching
Footprint dimensions
