6SL3352-6TG33-3AA3

6SL3352-6TG33-3AA3

6SL3352-6TG33-3AA3

每个相都使用通常处在20kHz至30kHz范围内工作的高侧和低侧IGBT开关，以交替模式向电机绕组施加正负高压直流脉冲。每个IGBT或SiC模块均由单个隔离式栅极驱动器驱动。栅极驱动器的高压输出与来自控制器的低压控制输入之间的隔离是产生电流的。栅极驱动器将来自控制器的脉冲宽度调制（PWM）信号转换为用于场效应晶体管（FETs）或IGBTs的栅极脉冲。此外，这些栅极驱动器需要具有集成的保护功能，例如去饱和作用、有源米勒钳位和软关断。

隔离栅极驱动器具有两侧：初级侧（即输入级）和次级侧（与FET连接）。初级侧有两种类型的输入级：基于电压和基于电流的输入级。通过输入级，栅极驱动器可以连接到能够告知栅极驱动器在指定时间打开或关闭的控制器。

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