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Four- to Seven-Input Automotive Power-System Monitor Family

Industry's Only Auto-Qualified, ASIL-B Power-System Monitor with Windowed Watchdog

产品详情

主要特征

Parametric specs for Supervisors (4 Monitored Voltages)
Reset Out Open Drain
tRESET (min) Adjustable
Watchdog Feature Input (WDI)
Supervisor Features Overvoltage/Window Monitor
Package/Pins TQFN/16
Budgetary
Price (See Notes)
1.61
缩小

简化框图

Technical Docs

支持和培训

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选择上方“样片”按钮将重定向至第三方ADI样片网站。登录后,所选部件将转移到您在此网站上的购物车。如果您之前从未使用过此网站,请创建一个新帐户。有关此样片网站的任何问题,请联系SampleSupport@analog.com

参量

Parametric specs for Supervisors (4 Monitored Voltages)
Reset Out Open Drain
tRESET (min) Adjustable
Watchdog Feature Input (WDI)
Supervisor Features Overvoltage/Window Monitor
Package/Pins TQFN/16
Budgetary
Price (See Notes)
1.61

主要特征

  • Small Solution
    • 2.35V to 5.50V Operating Supply Voltage
    • No External Component Required
    • 150µA Operating Current
  • High Precision
    • Selectable 102.5% to 110% OV Monitors
    • Selectable 97.5% to 90% UV Monitors
    • ±1% Accuracy
    • 0.5% Step Size
    • ASIL B Compliance
  • Highly Integrated
    • Five Fixed-Voltage Monitoring Inputs
    • Two Differential DVS Tracking-Voltage Monitoring Inputs with Remote-Ground Sense
    • Windowed Watchdog with Disable Pin for SoC Programming
    • Error-Correcting Code (ECC) on Internal OTP
    • Factory-Programmable Active-Low RESET Pin
  • 16-Pin Side-Wettable TQFN with Exposed Pad (3mm x 3mm)
  • AEC-Q100 Qualified
  • -40°C to +125°C Operating Temperature

应用/用途

  • Automotive ADAS Systems
  • Autonomous Driving Processing Systems
  • Power System Supervision and MCU/SoC Montioring
  • Remote Sensor Modules

描述

The MAX20481 is a complete ASIL-compliant SoC power system monitor with up to seven voltage-monitor inputs. Each input has factory OTP programmable OV/UV thresholds of between 2.5% and 10% with ±1% accuracy. Two of the inputs have a separate remote ground-sense input for use with high-current SoC supplies.

The MAX20481 contains a factory-programmable windowed watchdog with digital input pins for both refreshing and disabling the watchdog. The active-low RESET pin of the device can be set at the factory to assert under a variety of conditions.

The MAX20481 significantly reduces system size and component count while improving reliability compared to separate ICs or discrete components. The MAX20481 meets ASIL B reliability levels in a standalone application. The device is designed to operate from -40°C to +125°C ambient temperature.

简化框图

MAX20481: Simplified Block Diagram MAX20481: Simplified Block Diagram Zoom icon

Technical Docs

支持和培训

在Maxim的知识库中搜索技术问题的答案

过滤搜索

Maxim的专业工程师团队也会为您解答相应的技术问题,请访问Maxim的 支持中心

采样:
选择上方“样片”按钮将重定向至第三方ADI样片网站。登录后,所选部件将转移到您在此网站上的购物车。如果您之前从未使用过此网站,请创建一个新帐户。有关此样片网站的任何问题,请联系SampleSupport@analog.com