MAX20480
Info : RECOMMENDED FOR NEW DESIGNS
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MAX20480

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

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Industry's Only Auto-Qualified, ASIL-D Power-System Monitor with Challenge/Response Watchdog

Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 40
1ku List Price Starting From $4.07
Features
  • Small Solution
    • 2.35V to 5.50V Operating Supply Voltage
    • Only One External Component Required
    • 150µA Operating Current
    • 8µA Power-Down Mode
  • High Precision
    • Selectable 102.5% to 110% OV Monitors
    • Selectable 97.5% to 90% UV Monitors
    • ±1% Accuracy
    • 0.5% Step Size
    • ASIL D Compliance
  • Highly Integrated
    • Five Fixed-Voltage Monitoring Inputs
    • Two Differential DVS Tracking-Voltage Monitoring Inputs with Remote-Ground Sense
    • Power-Sequencing Recording
    • Simple or Challenge/Response Windowed Watchdog
    • Fault Recording
    • CRC on I2C Interface
    • Programmable I2C Address
    • OTP Configuration with Error-Correcting Code and Reload Functionality
    • 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
Additional Details
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The MAX20480 is a complete ASIL-compliant SoC power-system monitor with up to seven voltage monitor inputs. Each input has programmable OV/UV thresholds of between 2.5% and 10% with ±1% accuracy. Two of the inputs have a separate remote ground-sense input and support DVS through the integrated I2C interface.

The MAX20480 contains a programmable flexible power sequence recorder (FPSR). This recorder stores power-up and power-down timestamps separately, and supports on/off and sleep/standby power sequences. The MAX20480 also contains a programmable challenge/response watchdog, which is accessible through the I2C interface, along with a configurable active-low RESET output.

The MAX20480 improves reliability while significantly reducing system size and component count as compared to separate ICs or discrete components. The MAX20480 meets ASIL D reliability when used with a supervisory controller. The device is designed to operate over the ambient temperature range of -40°C to +125°C.

Applications

  • ADAS
  • Autonomous Driving Processing Systems
  • Power System Supervision and MCU/SoC Monitoring
  • Remote Sensor Modules
Complete documentation is available upon completion of a Non-Disclosure Agreement (NDA). To request an NDA, click here.
Part Models 40
1ku List Price Starting From $4.07

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Software and Part Ecosystem

Software and Part Ecosystem

Evaluation Kit

Evaluation Kits 1

MAX20480EVKIT

Evaluation Kit for the MAX20480/MAX20481

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MAX20480EVKIT

Evaluation Kit for the MAX20480/MAX20481

Evaluation Kit for the MAX20480/MAX20481

Features and Benefits

  • Easy Access Inputs
    • IN1-IN5 Provided
    • IN6, IN7 Provided, with INM Pin for Remote Ground Connection
  • ADDR Pin and Jumper for Different Address Settings
  • EN0, EN1 Jumpers Added for Easy Interface Connections
  • RC Footprints on Monitoring Pins
  • I2C Connector

Product Detail

The MAX20480 evaluation kit (EV kit) is a fully assembled and tested application circuit for the MAX20480 seven-input automotive power-supply monitor. The test-point taps allow for routing to other subsystems for monitoring. Connectors are provided for I2C communication.

The MAX20480 EV kit can also evaluate the MAX20481 IC. Simply replace the installed MAX20480 with the MAX20481 IC.

The MAX20481 does not have an I2C interface, so there is no requirement for the MINIQUSB+.

Applications

  • ADAS
  • Autonomous Driving Processing Systems
  • Power System Supervision and MCU/SoC Monitoring
  • Remote Sensor Modules
Tools & Simulations

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