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NCN5121MNTWG - onsemi

Description: Buffering of sent data frames (extended frames upported); Selectable UART/SPI interface and baud rate to host controller.; Comprehensive clocking system - Operates with industry standard low cost 16 MHz quartz - Can generate 8/16 MHz clock for the external MCU; Extended ambient temperature range -40 C to +105 C; KNX certified TP transceiver with embedded PHY and MAC layers (TP1-256) . 9600 Bauds communication speed.; Two high efficient DC-DC converters + one linear regulator : - DC-DC1 : fixed 3.3 V - DC-DC

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PCB Footprints
NCN5121MNTWG - onsemi PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - QFN40 6x6, 0.5P_
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NCN5121MNTWG - onsemi  - 3D model - Quad Flat No-Lead - QFN40 6x6, 0.5P_
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NCN5121MNTWG Details

  • Manufacturer Part Number:

    NCN5121MNTWG

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN-40

  • Package Description:

    QFN-40

  • Manufacturer Package Code:

    485AU

  • Country Of Origin:

    Thailand

  • Factory Lead Time:

    45 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    5.38

  • JESD-30 Code:

    S-XQCC-N40

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Telecom IC Type:

    INTERFACE CIRCUIT

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    6 mm

NCN5121MNTWG Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the analog and digital sections separate, and use a common ground point for the analog and digital grounds.
  • Use a reliable communication protocol like SPI or I2C, and ensure proper signal termination and routing. Also, use a common clock source and ensure the microcontroller's clock frequency is within the NCN5121MNTWG's specified range.
  • The NCN5121MNTWG is rated for operation from -40°C to 125°C. However, it's recommended to operate within a narrower range (e.g., -20°C to 85°C) for optimal performance and reliability.
  • The POR and BOR features are enabled by default. To handle them, ensure a stable power supply, use a capacitor to filter the power supply, and add a reset circuit to handle the POR and BOR signals.
  • Use 0.1 μF to 1 μF ceramic capacitors for decoupling, placed as close as possible to the NCN5121MNTWG's power pins. Additional bulk capacitors (e.g., 10 μF) can be used for further filtering.

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NCN5121MNTWG Overview

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