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用LMG3425搭建的半桥电路,工作不正常



采用LMG3425搭建的半桥电路,使用Bootstrap Mode模式,上桥工作不正常,不能转出5V电源,电路图如附件,电路参考官方手册,区别在于官方的上桥Source与HS_GND分开的,我的电路是连接在一起的,请帮忙分析电路图是否有问题?谢谢。3425PULSE_V1.pdf