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ST25R3920B Datasheet

Part Number ST25R3920B
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description Automotive NFC reader
Datasheet ST25R3920B DatasheetST25R3920B Datasheet (PDF)

ST25R3920B Automotive NFC reader for CCC digital key and car center console Datasheet - production data VFQFPN32 (5 x 5 mm) Features • AEC-Q100 qualified • Operating modes – Reader/writer – Card emulation – Active and passive peer to peer • RF communication – EMVCo® 3.1a analog and digital compliant – NFC-A / ISO14443A up to 848 kbit/s – NFC-B / ISO14443B up to 848 kbit/s – NFC-F / FeliCa™ up to 424 kbit/s – NFC-V / ISO15693 up to 53 kb/s – NFC-A / ISO14443A (106 kbit/s) and NFC-F / FeliCa™ (2.

  ST25R3920B   ST25R3920B






Part Number ST25R3920
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description Automotive high performance NFC reader
Datasheet ST25R3920B DatasheetST25R3920 Datasheet (PDF)

ST25R3920 Automotive high performance NFC reader for CCC digital key and car center console Datasheet - production data VFQFPN32 (5x5 mm) Features • AEC-Q100 qualified • Operating modes – Reader/writer – Card emulation – Active and passive peer to peer • RF communication – EMVCo 3.0 analog and digital compliant – NFC-A / ISO14443A up to 848 kbit/s – NFC-B / ISO14443B up to 848 kbit/s – NFC-F / FeliCa™ up to 424 kbit/s – NFC-V / ISO15693 up to 53 kb/s – NFC-A / ISO14443A and NFC-F / FeliCa™ car.

  ST25R3920B   ST25R3920B







Automotive NFC reader

ST25R3920B Automotive NFC reader for CCC digital key and car center console Datasheet - production data VFQFPN32 (5 x 5 mm) Features • AEC-Q100 qualified • Operating modes – Reader/writer – Card emulation – Active and passive peer to peer • RF communication – EMVCo® 3.1a analog and digital compliant – NFC-A / ISO14443A up to 848 kbit/s – NFC-B / ISO14443B up to 848 kbit/s – NFC-F / FeliCa™ up to 424 kbit/s – NFC-V / ISO15693 up to 53 kb/s – NFC-A / ISO14443A (106 kbit/s) and NFC-F / FeliCa™ (212/424 kbit/s) card emulation – Active and passive peer to peer initiator and target modes, up to 424 kbit/s – Low level modes to implement MIFARE Classic® compliant or other custom protocols • Key features – Dynamic power output (DPO) controls the field strength to stay within given limits – Active wave shaping (AWS) reduces overand under-shoots – Noise suppression receiver (NSR) allows reception in noisy environment – Automatic antenna tuning (AAT) via variable capacitor – Integrated EMVCo® 3.1a compliant EMD handling – Automatic gain control and squelch feature to maximize SNR – Low power NFC active and passive target modes – Adjustable ASK modulation depth, from 0 to 82% – Integrated regulators to boost system PSRR – AM/PM and I/Q demodulator with baseband channel summation or automatic channel selection – Possibility to drive two independent single ended antennas – Measurement of antenna voltage amplitude and phase, RSSI, on-chip supply and regulated voltages • External communica.


2023-03-06 : ST25R3920    STPM801    STTH110-Y    STTH208-Y    L99VR02J    L99VR01    L9963E    L9396    STL325N4LF8AG    ST25R3920B   


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