Integrated Protection ICs For Consumer Electronics

By Jay Soni

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LittleFuse has introduced eFuse integrated protection ICs for heavy-use consumer electronics and industrial electronics applications.

eFuse Protection ICs. | Credit : LittleFuse

“Blast injuries caused by a mobile device.” We have been hearing about incidents involving electronic devices exploding due to overheating. Although companies take measures to avoid such incidents there is a window for such occurrences to take place. There are several developments taking place in power electronics sector to prevent overheating, not only for consumer electronics but even other heavy-use applications

LittleFuse has introduced the new eFuse Protection ICs product line, a series of four versatile circuit protection devices. It is designed for heavy-use consumer electronics, data communications, and industrial applications. The device provides significant flexibility by integrating robust circuit protection, sensing, and control in a single chip.

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The eFuse Protection ICs utilize an innovative design that provides a wide range of power input (3.3V to 28V) and integrated protection. In addition to overvoltage protection, these electronic fuses protect against overcurrent, short circuit, inrush current, reverse current, and overtemperature events with real-time diagnostics—all in one chip.

The eFuse Protection ICs offer these key benefits:
  • Provides a highly accurate current limiter, with faster response time, and more integrated protection features than traditional fuses and PTCs
  • Incorporates more flexibility such as adjustable overvoltage threshold, current limiting, and inrush current, along with true reverse current blocking compared to conventional power switches
  • Reduces the design-in phase, PC board space requirements, BOM cost, and time-to-market when versus typical discrete solutions (e.g., hot-swap controller + MOSFET)
  • Improved product reliability, increased battery life, lower repair costs, and lengthened overall product lifetime

Applications of this device consists of heavy-use consumer electronics like tablets, PCs, laptops, speakers, headsets and even industrial applications like datacom power supplies, industrial power input/outputs and even heavy controllers.


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