High side gate and low side gate

axin007 · 发表于 2008-12-2 23:03:05

谁能帮忙详细解释一下什么是High side gate 和low side gate?谢谢了！

coldfire666 · 发表于 2008-12-7 04:55:41

high side gate: NMOS gate. A high voltage at gate is needed to drive NMOS FET.

low side gate: PMOS gate. A low voltage at gate is needed to drive PMOS FET

swu123 · 发表于 2009-2-4 22:23:37

一般指的是同步整流的降压电路，上管是开关储能，下管续流释放电感的电流。上管、下管的MOSFET栅极称High side gate /low side gate[em07]

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[讨论] High side gate and low side gate