An intelligent power MOSFET with reverse battery protection for automotive applications

K. Sakamoto, N. Fuchigami, K. Takagawa, S. Ohtaka
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引用次数: 2

Abstract

An intelligent power MOSFET with built-in reverse battery protection, which is essential for automotive power switches, has been developed. The reverse battery protection is achieved without using external control signals. This new power MOSFET can replace the conventional three-terminal power MOSFETs used in automotive applications. Its positive drain breakdown voltage is 71 V and the negative drain current at a drain voltage of -16 V is only -750 /spl mu/A. On resistance is 170 m/spl Omega/. Using the latest fabrication process now available for commercial products, the on-resistance can be reduced to less than 50 m /spl Omega/ in a TO-220 package.
一种智能功率MOSFET,具有反向电池保护,适用于汽车应用
开发了一种内置反向电池保护的智能功率MOSFET,这是汽车电源开关必不可少的。无需使用外部控制信号即可实现反向电池保护。这种新型功率MOSFET可以取代汽车应用中使用的传统三端功率MOSFET。其正漏极击穿电压为71 V,负漏极击穿电流在-16 V漏极电压下仅为-750 /spl mu/ a。电阻为170 m/spl ω /。使用目前可用于商业产品的最新制造工艺,在to -220封装中,导通电阻可以降低到小于50 m /spl Omega/。
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