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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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查找您下一个设计所需要的一切。只需选择一个应用,然后单击以查看框图,即可找到我们的半导体解决方案。

快速短路保护

短路保护功能将防止电源线或负载因某些错误而发生短路时电流过大。东芝eFuse IC采用超高速短路保护技术,使得在短路发生后,电流在150ns(典型值)内下降至接近零。该技术对设备的稳健设计具有重要意义。此外,与普通保险丝不同的是,本产品不会因一次短路而损坏,可重复使用,这有效降低了维护成本和缩短了修理所需的恢复时间。

上图显示了当eFuse IC提供12V电源时,输出电压突然短路时的仿真波形(理想情况下)。在我们的eFuse IC TCKE8xx系列中,当输出电流达到过电流极限(ILIMIT)的1.6倍时(也称为“快速跳闸”或“短路跳闸”),输出电流将被判断为短路,并在150ns(典型值)内下降至接近零。

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