Overview

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