MAX20430

RECOMMENDED FOR NEW DESIGNS

Four-Output Mini PMIC for Safety Applications

ASIL-C Compliant PMIC with Watchdog for ADAS Applications

Data Sheet (Rev. 15) Product Selection Table
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Overview

  • Multiple Functions for Small Size
    • Synchronous High-Voltage Buck Converter up to 2.5A
      • Input Voltage Range 3.5V to 40V
      • Output Voltage of 3.3V
    • 5V, Synchronous 500mA Boost Converter
    • Dual Synchronous Buck Converters up to 3A
      • 0.8V to 3.9875V in 12.5mV Steps
    • Flexible Power Sequencer for OUT2, OUT3, and OUT4
    • Programmable Challenge/Response or Windowed Watchdog
    • Two Free Programmable UV/OV Voltage Monitors
      • 0.8V to 3.9875V in 12.5mV Steps
    • I2C Fast Mode Plus-Compatible Interface with Packet Error-Checking Option (PEC)
    • 2.1MHz Internal Operation with Spread-Spectrum Option
    • RESET Output
    • Current-Mode, Forced-PWM Operation
  • High Precision for ASIL Applications
    • ±1.5% Output Voltage Accuracy
    • ±1% OV/UV Monitoring
  • Diagnostics and Redundant Circuits
    • ASIL C Compliant
    • Redundant Reference
    • BIST Diagnostics
    • Fail Safe on Open Pins
    • Shorted Pin Detection on Active-Low RESET
  • Mount ID Location Detection
  • Robust for the Automotive Environment
  • Overtemperature and Short-Circuit Protection
  • 5mm × 5mm Side-Wettable TQFN Package
  • −40°C to +125°C Grade 1 Automotive Temperature Range
MAX20430
Four-Output Mini PMIC for Safety Applications
MAX20430: Typical Application Circuit
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Documentation

Data Sheet 1

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Software Resources

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Evaluation Kits

MAX20430EVKIT

Evaluation Kit for the MAX20430

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Features and Benefits

  • Integrated IC Minimizes Board Area and Layout
  • Input Voltage Range from 3.5V to 36V
  • User-Programmable Settings through I2C
  • Challenge/Response or Simple Windowed Watchdog
  • 2.1MHz Fixed-Frequency Switching with Spread-Spectrum Option
  • Status Monitoring through Active-Low RESET Pin and I2C Status Registers
  • Fully Assembled and Tested
  • Proven PCB Layout with Automotive-Grade Components

Product Details

The MAX20430 evaluation kit (EV Kit) is a fully assembled and tested application circuit for the MAX20430 high-efficiency four-output PMIC. The EV kit can test all outputs to full load within the normal operating input range of 3.5V to 36V. The IC features two modes of watchdog operation, challenge/response and simple windowed mode, which can also be disabled for simplified evaluation. I2C communication must be used to configure the MAX20430 and monitor errors. A PC-to-I2C interface (such as the MINIQUSB or MAX32625PICO) and software for reading and writing to I2C registers (such as SimpleI2C) may simplify testing.

Applications

  • ADAS - Sensors
  • Low power clusters
  • Medium/Short Range Radar
MAX20430EVKIT
Evaluation Kit for the MAX20430

Latest Discussions

3 Years Ago
Can MAX20430 communicate through I2C before EN pin is activated and input voltage is present?
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