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IQS550BLQNR - Azoteq

Description: Touch Screen Controllers

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Symbol
IQS550BLQNR - Azoteq - PCB symbol
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PCB Footprints
IQS550BLQNR - Azoteq PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - QFN48
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3D Models
IQS550BLQNR - Azoteq - 3D model - Quad Flat No-Lead - QFN48
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IQS550BLQNR Details

  • Manufacturer Part Number:

    IQS550BLQNR

  • Part Life Cycle Code:

    Contact Manufacturer

  • Package Description:

    QFN-48

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Azoteq

  • Analog IC - Other Type:

    ANALOG CIRCUIT

  • JESD-30 Code:

    S-XQCC-N48

  • Length:

    7 mm

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    85 °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

  • Seated Height-Max:

    0.6 mm

  • Supply Voltage-Max (Vsup):

    3.6 V

  • Supply Voltage-Min (Vsup):

    1.65 V

  • Supply Voltage-Nom (Vsup):

    1.8 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    7 mm

IQS550BLQNR Frequently Asked Questions (FAQs)

  • Azoteq recommends a 4-layer PCB with a solid ground plane, and to keep the IQS550BLQNR away from high-frequency noise sources. A good layout practice is to keep the sensor's analog and digital grounds separate and connected at a single point.
  • Azoteq provides a calibration guide and software tools to help with the calibration process. Engineers can use the IQS550BLQNR's built-in self-test and calibration features to adjust the sensor's sensitivity and offset for their specific application.
  • The IQS550BLQNR is rated for operation from -40°C to 125°C, but Azoteq recommends operating the device within the -20°C to 85°C range for optimal performance and accuracy.
  • Azoteq recommends using proper EMI shielding, such as a metal shield or a Faraday cage, to minimize electromagnetic interference. Additionally, engineers can use filtering and shielding on the IQS550BLQNR's analog and digital signals to reduce EMI effects.
  • Azoteq recommends powering up the IQS550BLQNR's analog supply (VDDA) before the digital supply (VDDD). This ensures proper initialization and prevents damage to the device.

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IQS550BLQNR Overview

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