Recently, STMicroelectronics (GENEVA, SWITZERLAND) introduced two new automotive NFC readers, the ST25R500 and ST25R501, as part of its ST25R portfolio. These components are designed for digital key, device pairing, engine start, and wireless charging NFC card protection applications in vehicles.
The ST25R500 and ST25R501 provide solutions for car access and start systems, NFC card protection on center-console Qi chargers, phone pairing, and data transfer.
Features & Benefits:
Deliver up to 70% greater interaction range compared to other readers
ST25R501 has a 4mm x 4mm QFN package occupying 36% less PCB area
ST25R500 offers higher continuous output power
Support protocols: NFC-A, NFC-B (ISO14443A/B), and NFC-F (FeliCa)
Include NFC-A/NFC-F card emulation for Qi charging NFC card protection
Enhanced noise suppression and high receiver sensitivity for harsh conditions
Dynamic power output with active waveshaping control
Test outputs enable non-intrusive debugging
Compatible with ST’s GUI software tools for signal tuning
Available software libraries, APIs, and development tools including RFAL middleware and PCB Thermal Simulator
The ST25R500 and ST25R501 are AEC-Q100 qualified and compliant with NFC Forum CR13 and CCC Digital Key requirements. These readers are suitable for various automotive applications including digital key systems, center consoles, doorhandle and B-pillar modules, and key fob charging setups.
For more information, visit the STMicroelectronics webpage.
