MAX25520

PRODUCTION

Automotive 2-Channel TFT-LCD Power Supply

Best in Class Solution Size and EMI

Data Sheet (Rev. 2) Product Selection Table
Part Models
7
1ku List Price
Starting From $1.25
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Part Details

  • High Integration
    • Synchronous Boost Provides Positive Output at upto 10.5V/200mA (+12V for MAX25520ATEC)
    • Inverter Output Provides up to -10.5V/-200mA (-12V for MAX25520ATEC)
  • Low EMI
    • 420kHz/2.1MHz Switching Frequency
    • Spread Spectrum
  • UV Diagnostics on All Outputs
  • Versatile
    • Complete Sequencing Flexibility
    • Compact TQFN Package
    • -40°C to +125°C Operating Temperature Range
  • AEC-Q100 Grade 1
    • MAX25520
    Automotive 2-Channel TFT-LCD Power Supply
    MAX25520: Typical Application Circuit
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    Documentation

    Data Sheet 1

    Technical Articles 2

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    Evaluation Kits

    MAX25520EVKIT

    Evaluation Kit for the MAX25520

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    Features and Benefits

    • 2.65V to 5.5V Input Range (4.5V to 5.5V for MAX25520ATEC)
    • Default Output Voltages in Tracking Mode
      • 6.8V Output at 200mA (Boost Converter)
      • -6.8V Output at -200mA (Inverting Regulator)
    • Optional Adjustable Output Voltages
      • Synchronous Boost Provides Positive Output at Up to 10.5V/200mA (+12V/200mA for MAX25520ATEC)
      • Inverter Output Provides Up to -10.5V/-200mA (-12V/-200mA for MAX25520ATEC)
    • Components Fit the 2.1MHz Frequency (To use 420kHz frequency, hardware changes are required)
    • Spread-Spectrum
    • UV Diagnostics on All Outputs and Fault Detection
    • Complete Sequencing Flexibility
    • -40°C to +125°C Operating Temperature Range

    Product Details

    The MAX25520 evaluation kit (EV kit) is a fully assembled and tested surface-mount PCB used to evaluate the MAX25520 automotive 2-Channel TFT-LCD Power Supply. The output rails, AVDD and NAVDD, can be programmed independently or programmed to track each other by using a specific configuration. Independent enable pins allow complete flexibility in powering up and down the outputs. The outputs are protected against overcurrent and undervoltage.

    The device incorporates a fully integrated current-mode boost converter and a current-mode inverter with external rectifier. The EV kit operates at one of two switching frequencies, 420kHz or 2.1MHz. Operation at 2.1MHz makes possible very compact dual-output power supplies.

    The EV kit demonstrates the device’s features of adjustable output voltage and fault protection.

    Applications

    • Central Information Displays
    • Infotainment Displays
    • Instrument Clusters
    MAX25520EVKIT
    Evaluation Kit for the MAX25520

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