Toshiba launches its first eFuse electronic fuse

Unlike conventional fuses, it is not damaged when tripped.

Toshiba has announced the release of its first eFuse electronic fuse. More specifically, the TCKE8xx series of integrated circuits are presented, including six products that support the various functions needed to protect power circuits. Deliveries of two of them have already begun.



Toshiba launches its first eFuse electronic fuse
The most remarkable feature of eFuse chips is that they can be reused. Conventional fuses protect the circuit when physically damaged, and must be replaced after tripping. In use, the circuits break reversibly, so after a trip, the fuse can be reset and continue to be used. The range includes two types of fuses. Some are restored automatically, while others - by an external signal.

It is also important that the TCKE8xx is superior to physical fuses in the accuracy of detecting overcurrents. Using eFuse, you can implement current and voltage limits, protection against overheating and short circuit.

Compared to similar solutions on discrete elements, eFuse integrated circuits are simpler and provide a reduction in the number of components and the area occupied by them on the board. The microcircuit occupies a 3 × 3 mm section on the board.


Fields of application for TCKE8xx include servers, solid-state drives, laptops, game consoles, augmented and virtual reality equipment, and other electronic devices.

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