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About information presented in this cross reference

The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.

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Advantages of Semiconductor-fuse eFuse IC (2)

Compared with conventional fuses, eFuse IC has superior protective performance.
Advantages of Semiconductor-fuse eFuse IC

 

Glass tube
Fuse

Tip
Fuse

Poly
Fuse

Semiconductor fuse : eFuse IC

Repeatability

-

-

✓✓✓

Overcurrent protection
Speed and accuracy

-

-

-

✓✓✓

Other protection functions

-

-

-

✓✓✓

Effect of ambient temperature

-

-

-

✓✓✓

Single unit mounting area

-

✓✓

-

Including protection circuit
Total mounting area

-

-

-

✓✓✓

Cost of individual parts

✓✓

-

Function and maintenance
Including total costs

-

-

-

✓✓✓

Compared with conventional fuses, eFuse IC has the advantage of superior protective performance.

Comparing with repeatedly usable conventional fuses, such as poly fuses, eFuse IC has the advantage of excellent accuracy of overcurrent protection and high protection speed.

In addition, it has built-in protection functions such as overvoltage and Reverse Current Bloking (RCB) function.

The efuseIC itself is larger than the chip fuse, but eFuse IC becomes overwhelmingly small in the total mounting area including the protective functions of peripheral ICs and components, such as overvoltage and slew-rate control.

Although a cost of an eFuse IC is higher than a conventional fuse, considering the total cost, such as integrating protective functions and eliminating maintenance work, we believe that eFuse IC will be low.

Basics of eFuse ICs

What is the semi-conductor fuse eFuse IC?
Advantages of Semiconductor-fuse eFuse IC (1)
Advantages of Semiconductor-fuse eFuse IC (3)
Comparison of eFuse IC performance with conventional fuses
Examples of applications where semiconductor fuses (eFuse ICs) are used
Overcurrent protection function (OCP)
Short circuit protection function
Overvoltage protection function (overvoltage clamp)
Slew rate control (Suppressing rush current)

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