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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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What is the semi-conductor fuse eFuse IC?

Reusable fuse IC made of semiconductor.
Abundant Function

The eFuse IC has a high-performance, high-precision protection function built into one package, which is not found in conventional fuses.
It can be used repeatedly, reducing maintenance costs and recovery time for repairs.

This is the product lineup list.
We plan to expand our lineup of products with a wide range of  input voltage and packages in the future.

Product name

Input voltage

Range

Limiting current range

Overvoltage

Protection

Slew Rate Control

EN control

Return operation

Flag Function

Auto
Discharge

Package

TCKE805NA

4.4V to 18V

0.5A to 5.0A

Adjustable

6.04V

OVC

Adjustable

Active High

Auto trie

None

Y

WSON10B

3x3mm

TCKE805NL

4.4V to 18V

0.5A to 5.0A

Adjustable

6.04V

OVC

Adjustable

Active High

Latch

None

Y

WSON10B

3x3mm

TCKE812NA

4.4V to 18V

0.5A to 5.0A

Adjustable

15.1V

OVC

Adjustable

Active High

Auto trie

None

Y

WSON10B

3x3mm

TCKE812NL

4.4V to 18V

0.5A to 5.0A

Adjustable

15.1V

OVC

Adjustable

Active High

Latch

None

Y

WSON10B

3x3mm

TCKE800NA

4.4V to 18V

0.5A to 5.0A

Adjustable

None

Adjustable

Active High

Auto trie

None

Y

WSON10B

3x3mm

TCKE800NL

4.4V to 18V

0.5A to 5.0A

Adjustable

None

Adjustable

Active High

Latch

None

Y

WSON10B

3x3mm

TCKE712BNL

4.4V to 13.2V

0.51A to 3.65A

Adjustable

Adjustable

Adjustable

Active High

Latch

Yes

N

WSON10

3x3mm

Auto retry : Automatically eFuse IC recovers after TSD (Thermal shutdown).
Latched : After TSD, eFuse IC recovers by setting the control signal to High again.

Basics of eFuse ICs

Advantages of Semiconductor-fuse eFuse IC (1)
Advantages of Semiconductor-fuse eFuse IC (2)
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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