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ST25R3918-AQET - STMicroelectronics

Description: Multi-purpose NFC transceiver

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ST25R3918-AQET - STMicroelectronics - PCB symbol
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PCB Footprints
ST25R3918-AQET - STMicroelectronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - QFN325-1
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3D Models
ST25R3918-AQET - STMicroelectronics - 3D model - Quad Flat No-Lead - QFN325-1
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ST25R3918-AQET Details

  • Manufacturer Part Number:

    ST25R3918-AQET

  • Brand Name:

    STMicroelectronics

  • Part Life Cycle Code:

    Active

  • Package Description:

    UFQFPN-32

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • Factory Lead Time:

    10 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    9

  • JESD-30 Code:

    S-XQCC-N32

  • Length:

    5 mm

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC32,.2SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.6 mm

  • Supply Current-Max:

    26 mA

  • Supply Voltage-Nom:

    2.4 V

  • Surface Mount:

    YES

  • Telecom IC Type:

    RF AND BASEBAND CIRCUIT

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    5 mm

ST25R3918-AQET Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN5393, which includes guidelines for component placement, routing, and grounding to minimize noise and ensure optimal performance.
  • The ST25R3918-AQET can be configured for different NFC modes using the registers and commands described in the datasheet. For example, setting the MODE register to 0x01 enables reader mode, while setting it to 0x02 enables writer mode. Additionally, STMicroelectronics provides example code and application notes to help with configuration.
  • The maximum distance for NFC communication using the ST25R3918-AQET depends on various factors, including the antenna design, operating frequency, and environment. Typically, the maximum distance is around 10 cm, but it can be optimized up to 20 cm or more with proper antenna design and tuning.
  • The ST25R3918-AQET provides error detection and correction mechanisms, such as CRC and parity checks. Engineers can also implement error handling mechanisms in their firmware, such as retry mechanisms and error logging, to handle exceptions and errors during NFC communication.
  • Yes, the ST25R3918-AQET is compatible with various NFC tags and devices, including ISO/IEC 14443A, ISO/IEC 14443B, and ISO/IEC 18092-compliant devices. However, compatibility may depend on the specific tag or device implementation and the NFC mode being used.

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ST25R3918-AQET Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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