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求教:UCC28950 MOS驱动选择

Other Parts Discussed in Thread: UCC28950, UCC21520, UCC27714

最近开始做移相全桥设计,控制器选择为UCC28950,全桥的MOS驱动选择没有看明白

1、看TI参考电路有两种方案,1是采用变压器的方案;2是采用高边和低边驱动器。采用这两种驱动方式是否看中其高边和低边的开关延时为了避免桥臂直连问题?

2、根据数据手册可以设置死区时间,是否可以直接使用高边驱动直接控制?

谢谢