ST25R3914

ST25R3914 ST25R3915 Automotive high performance HF reader / NFC initiator with 1 W output power supporting AAT Datasheet - production data QFN32 / VFQFPN32 Features AEC-Q100 qualified ISO 18092 (NFCIP-1) Active P2P ISO14443A, ISO14443B, ISO15693 and FeliCa™ Support HBR up to 848 kbit/s PICC to PCD and PCD to PICC framing Capacitive sensing - Wake-up Automatic antenna tuning system providing tuning of antenna LC tank (ST25R3914 only) Automatic modulation index adjustment AM and PM demodulator channels with automatic selection Up to 1 W in case of differential output User selectable and automatic gain control Transparent and Stream modes to implement MIFARE™ Classic compliant or other custom protocols Possibility of driving two antennas in single ended mode Oscillator input capable of operating with 13.56 or 27.12 MHz crystal with fast start-up 6 Mbit/s SPI with 96 bytes FIFO Wide supply voltage range from 2.4 to 5.5 V Wide temperature range: -40 °C to 125 °C ST25R3914: VFQFPN32, 5 mm x 5 mm package with wettable flanks ST25R3915: QFN32, 5 mm x 5 mm package Description The ST25R3914/5 are highly integrated NFC initiators / HF reader ICs for automotive applications, AEC-Q100 grade 1 qualified, including the analog front end (AFE) and a highly integrated data framing system for ISO 18092 (NFCIP-1) initiator, ISO 18092 (NFCIP-1) active target, ISO 14443A and B reader (including high bit rates), ISO 15693 reader and FeliCa™ reader. Implementati...