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FeliCa SPI NFC Stmicroelectronics ST25R ST25R3917-AQWT 13.56MHz

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FeliCa SPI NFC Stmicroelectronics ST25R ST25R3917-AQWT 13.56MHz

Country/Region	china
City & Province	shenzhen guangdong
Categories	Access Control System

Product Details

ST25R3917-AQWT Current Sense Resistors St25r3917-Aqwt Nfc Stmicroelectronics

RFID Reader/Transponder IC 13.56MHz FeliCa, ISO 14443, ISO 15693, MIFARE, NFC SPI 2.4V ~ 5.5V 32-VFQFN Exposed Pad

Specifications of ST25R3917-AQWT

TYPE	DESCRIPTION
Category	RF and Wireless
Category	RFID, RF Access, Monitoring ICs
Mfr	STMicroelectronics
Series	ST25R
Package	Tape & Reel (TR)
	Cut Tape (CT)
	Digi-Reel®
Product Status	Active
Type	RFID Reader/Transponder
Frequency	13.56MHz
Standards	FeliCa, ISO 14443, ISO 15693, MIFARE, NFC
Interface	SPI
Voltage - Supply	2.4V ~ 5.5V
Operating Temperature	-40°C ~ 105°C (TA)
Mounting Type	Surface Mount
Package / Case	32-VFQFN Exposed Pad
Supplier Device Package	32-VFQFPN (5x5)
Base Product Number	ST25

Features of ST25R3917-AQWT

• 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™ 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 3.0 compliant EMD handling

– Automatic gain control and squelch feature to maximize SNR

– Low power capacitive and inductive card detection

– Low power NFC active and passive target modes

– Adjustable ASK modulation depth, from 5 to 40%

– 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 communication interfaces

– 512-byte FIFO

– Serial peripheral interface (SPI) up to 10 Mbit/s

– I2C with up to 400 kbit/s in Fast-mode, 1 Mbit/s in Fast-mode Plus, and 3.4 Mbit/s in High-speed mode

• Electrical characteristics

– Wide supply voltage and ambient temperature range (2.6 to 5.5 V from -40 °C to +105 °C, 2.4 to 5.5 V from -20 °C to +105 °C)

– Wide peripheral communication supply range, from 1.65 to 5.5 V

– Quartz oscillator capable of operating with 27.12 MHz crystal with fast start-up

Applications of ST25R3917-AQWT

The ST25R3916 and ST25R3917 devices (hereinafter referred to as ST25R3916/7) are suitable for a wide range of NFC and HF RFID applications, among them

• NFC Forum compliant NFC universal device

• EMVCo 3.0 compliant contactless payment terminal

• ISO14443 and ISO15693 compliant general purpose NFC device

• FeliCa™ reader/writer

• Support of all five NFC Forum tag types in reader mode

• Support all common proprietary protocols, such as Kovio, CTS, B’.

Environmental & Export Classifications of ST25R3917-AQWT