+12 Volt Electronic Fuse

Overview

The NIS5021MT1GEVB Evaluation Board showcases a cost effective, resettable fuse which can greatly enhance the reliability of a hard drive or other circuit from both catastrophic and shutdown failures. The eFuse is designed to buffer the load device from excessive input voltage which can damage sensitive circuits. It includes an overvoltage clamp circuit that limits the output voltage during transients but does not shut the unit down, thereby allowing the load circuit to continue its operation. The eFuse also includes an internal Undervoltage Lockout Circuit as well as an Internal Charge Pump. The NIS5021MT1EVB evaluation board has many features which make it simple to observe the functionality and performance of NIS5x2x line of eFuses including multiple connectors available for all eFuse pins (VCC, GND, SRC, enable, ILIM, dv/dt), input and output capacitors, a pushbutton switch and a MOSFET to connect the enable pin to GND or float as needed, green and yellow LEDs to indicate whether the eFuse enable pin voltage is high (device enabled)/low (device disabled)/mid (thermal shutdown), 5 current limit resistor options available directly on the board (20, 25, 30, 35, 40 Ω), 4 load resistor options (200 Ω each) on the board, a jumper to short circuit the load, kelvin or direct sensing options via jumpers between pin 6 and 7 for NIS5x2x.

  • Servers
  • Solid State Drives
  • Hard Drives
  • Internal Charge Pump
  • 14 mΩ, 24 mΩ & 44 mΩ Typical RDSON Options
  • Tristate Enable
  • Overcurrent Protection
  • Thermally Protected
  • Integrated Soft-Start Circuit
  • Fast Response Overvoltage Clamp Circuit

Evaluation/Development Tools

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+12 Volt Electronic Fuse

Evaluation Board

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Technical Documentation

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NIS5021MT1GEVB_TEST_PROCEDURE

1

Eval Board: Test Procedure

98.3 KB

EN

Eval Board: Test Procedure

August 07, 2017

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NIS5021MT1GEVB_Evaluation_Board Manual

0

Eval Board: Manual

697.34 KB

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Eval Board: Manual

September 14, 2017

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NIS5021MT1GEVB_SCHEMATIC

1

Eval Board: Schematic

57.34 KB

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Eval Board: Schematic

August 07, 2017

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NIS5021MT1GEVB_GERBER

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Eval Board: Gerber

88.06 KB

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Eval Board: Gerber

August 07, 2017

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NIS5021MT1GEVB_BOM_ROHS

1

Eval Board: BOM

132.1 KB

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Eval Board: BOM

July 01, 2019

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