If 1b or 2b is high at the same time that a corresponding 1t or 2t input is high, protection circuitry will turn off both FETs in order to prevent shoot-through current on that output phase.

• 如果1b或2b同时高，那相当于1t或2t的输入高，那么两个FET的保护电路将切断，以便防止在该输出相的直通电流。