MAX20479 2/3-Input Automotive Voltage Monitors


MAX20479 2/3-Input Automotive Voltage Monitors

Manufacturer

Part #

Category

Analog Devices Inc. MAX20479 Semiconductors

Description

The MAX20479 is a highly integrated automotive voltage monitor designed for robust power-system supervision in safety-critical applications. It features 2 or 3 programmable voltage monitoring inputs, a windowed watchdog, and operates across a wide temperature range with high accuracy. The device is fully ASIL-B compliant and ideal for ADAS, autonomous driving, and power system supervision.


Introduction

The MAX20479 from Analog Devices Inc. is a state-of-the-art automotive voltage monitor designed to ensure reliable power-system supervision in modern vehicles. With its advanced features and robust design, this component is essential for safety-critical automotive applications.

Part Description

The MAX20479 is a highly integrated supervisory circuit and voltage monitor IC. It offers 2 or 3 programmable voltage monitoring inputs, allowing for flexible configuration based on system requirements. The device includes a windowed watchdog timer for enhanced system reliability and operates with high accuracy across a wide temperature range. Fully compliant with ASIL-B safety standards, the MAX20479 is engineered to meet the stringent demands of automotive environments, particularly in advanced driver-assistance systems (ADAS) and autonomous driving platforms.

Applications

  • Power system supervision in vehicles
  • Monitoring of critical voltage rails in automotive ECUs
  • Safety monitoring in ADAS and autonomous driving systems
  • Battery management systems
  • Industrial control systems requiring high reliability

Industries

  • Automotive
  • Transportation
  • Industrial automation
  • Robotics
  • Aerospace

Usage Ideas

  1. ADAS Power Supervision Module
    Integrate the MAX20479 into an ADAS control unit to monitor multiple voltage rails, ensuring safe and reliable operation of sensors and processors.

  2. Autonomous Vehicle Safety Node
    Use the device in an autonomous vehicle's main control board to provide real-time voltage monitoring and watchdog functionality, enhancing system safety and compliance.

  3. Industrial Robotics Controller
    Employ the MAX20479 in an industrial robot's power management system to supervise critical voltages and trigger safe shutdowns in case of anomalies.

Conclusion

The MAX20479 2/3-Input Automotive Voltage Monitor from Analog Devices Inc. is a versatile and reliable solution for power-system supervision in safety-critical applications. Its high level of integration, programmability, and compliance with automotive safety standards make it an excellent choice for engineers designing next-generation automotive and industrial systems.