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Quick short-circuit protection

The short-circuit protection function prevents excessive current from flowing when the power supply line or load is short-circuited due to some error. Toshiba eFuse ICs employ an ultra-high-speed short-circuit protecting technique that enables current to be reduced to nearly zero within 150ns(typ.) after a short circuit occurs. This technique greatly contributes to the robust design of equipment. In addition, unlike ordinary fuses, this product is not destroyed by a single short circuit and can be used repeatedly, which is effective in reducing maintenance costs and recovery time required for repair.

Quick short-circuit protection

The figure above shows the simulation waveforms when the output voltage is suddenly shorted to the ideally while the eFuse IC is supplying power of 12 V. In our eFuse IC TCKE8xx series, when the output current reaches 1.6 times the overcurrent limit (ILIMIT) (also called "Fast Trip" or "Short Trip"), the output current is judged to be short-circuited and the output current is reduced to near zero within 150ns(typ.).

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·Before creating and producing designs and using, customers must also refer to and comply with the latest versions of all relevant TOSHIBA information and the instructions for the application that Product will be used with or for.