MAX20499C

RECOMMENDED FOR NEW DESIGNS

Automotive Single 16A/12A Step-Down Converter

High-Efficiency, Synchronous Step-Down 12A/16A Converters with a 3V to 5.5V Input Voltage

Data Sheet (Rev. 6) Product Selection Table
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Overview

  • High-Efficiency DC-DC Converter
  • Up to 16A Peak Output Current
    • MAX20499C: 16A
    • MAX20499D: 12A
  • Differential Remote Voltage Sensing
  • 3.0V to 5.5V Operating Supply Voltage
  • I2C Controlled Output Voltage: 0.5V to 1.275V in 6.25mV Steps
  • Excellent Load-Transient Performance
  • Programmable Compensation
  • 2.2MHz or 1.1MHz Operation
  • ±1.5% Output Voltage Accuracy
  • Active-low RESET Output
  • Current Mode, Forced-PWM Operation
  • Overtemperature and Short-Circuit Protection
  • 3.5mm x 4mm, 17-Pin, Side-Wettable FC2QFN
  • -40°C to +125°C Grade 1 Automotive Temperature Range
    • MAX20499C
    Automotive Single 16A/12A Step-Down Converter
    MAX20499C-MAX20499D Simple Block Diagram MAX20499C-MAX20499C Pin Configuration
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    Documentation

    Data Sheet 1

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    Tools & Simulations

    ADI Power Studio™ Designer

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    SIMPLIS Models 1

    Evaluation Kits

    MAX20499CEVKIT

    Evaluation Kit for the MAX20499C/MAX20499D

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    Features and Benefits

    • High Efficiency DC-DC Converter
    • Up to 16A Peak Output Current
    • Differential Remote Voltage Sensing
    • 3V to 5.5V Input Supply Voltage
    • I2C User Configurable
    • Excellent Load Transient Performance
    • 2.2MHz or 1.1MHz Operation
    • Test Points for Bode Plot Measurement
    • Proven PCB Layout
    • Fully Assembled and Tested

    Product Details

    The MAX20499C EV kit is a fully assembled and tested PCB intended to demonstrate the capability of the MAX20499C step-down (buck) voltage regulator. The MAX20499C has an output current rating of 16A. The IC operates at 3V to 5.5V input supply voltage and can regulate to a voltage range of 0.5V to 1.275V.

    The MAX20499C features a 2.2MHz fixed-frequency pulse-width modulation (PWM) mode for better noise immunity and load transient response. The 2.2MHz frequency operation allows for the use of all ceramic capacitors and minimizes external components. The spreadspectrum frequency modulation option minimizes electromagnetic emissions. Integrated low RDS(ON) switches improve efficiency at heavy loads and simplifies layout.

    The MAX20499C is offered with factory-preset output voltage. The I2C interface supports dynamic voltage adjustment with programmable slew rates. Other features include programmable soft-start, over-current protection, and over-temperature protection.

    The MAX20499D can be evaluated by replacing the installed IC (U1).

    Applications

    • Automotive ADAS Systems
    • Infotainment
    • SoC Core Power
    • Telematics with high power SoC's
    MAX20499CEVKIT
    Evaluation Kit for the MAX20499C/MAX20499D

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