ST25R3913 Image


RFID Reader IC by STMicroelectronics (12 more products)

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The ST25R3913 is a highly integrated NFC Initiator / HF Reader IC. This IC is ideal for payment applications with up to 1 W of output power. The presence of a card can be detected by performing a measurement of amplitude or phase of the signal on the antenna LC tank and comparing it to the stored reference. It also has a low power RC oscillator and wake-up timer that can be used to wake up the system after a defined time period, and to check for the presence of a tag using one or more low power detection techniques (phase or amplitude).

It includes an 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.

The ST25R3913 has an automatic antenna tuning (AAT) technology feature that optimizes the device for applications with directly driven antennas. It also contains two differential low impedance (1 Ohm) antenna drivers. The IC is designed to operate from a wide (2.4 V to 5.5 V) power supply range; peripheral interface IO pins support power supply range from 1.65 V to 5.5 V. It is available in a 5 x 5 mm QFN32 package and operates over a wide temperature range of -40 °C to 125 °C.

Product Specifications

    Product Details

    • Part Number :
    • Manufacturer :
    • Description :
      HF Reader / NFC Initiator IC for Payment Applications with 1 W Output Power

    General Parameters

    • Air Interface :
      EMVco, PBOC
    • Data Rate :
      106 kbps
    • Dimensions :
      5 x 5 mm
    • Frequency :
      13.56 MHz
    • Frequency band :
    • Interface :
    • Micro Controller :
    • Modulation :
      AM, OOK
    • NFC :
    • Package :
    • Protocol :
      ISO14443A/B, ISO15693, FeliCa
    • Current :
      5.4 to 7.5 mA (Ready mode)
    • Operating Temperature :
      -40 to 125 Degree C
    • Output Power :
      1000 mW
    • Storage Temperature :
      -55 to 125 Degree C
    • Voltage :
      2.4 to 5.5 V
    • Note :
      Advance Features : AAT (Automatic Antenna Tuning),DPO(Dynamic Power Output)I,Inductive Wake up

    Technical Documents

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