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ST25R3914-AQWT

Automotive high performance HF reader / NFC initiator with 1 W output power supporting AAT

Supply Voltage Min Volt2.4
Supply Voltage Max Volt5.5
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius125.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeAutomotive
Package NameVFQFPN 5X5X1 32L WETTABLE FLANKS

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...
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Key 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
Out of Stock
Quantity $ per unit Savings
1-9$6.440%
10-24$5.869%
25-99$5.3916%
100-249$4.8225%
250-499$4.4531%
500$4.0537%
Contact sales
$6.44
Supply Voltage Min Volt2.4
Supply Voltage Max Volt5.5
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius125.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeAutomotive
Package NameVFQFPN 5X5X1 32L WETTABLE FLANKS

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...
Read More

Key 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