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各位专家，AMC1300在做电机相电流采集时，采用TI推荐的方式，如上图。但我在设计时，HV+与 floating power supply为同一电压，+48V，当上MOS导通时，GND1的电压也为+48V，此时Z1是不是不能提供5.1V电压？ 有没有好的办法去解决这个问题？？
您好，
看下面链接回复，VINn可以与GND1断开，但需要考虑输入共模电压是否满足放大器的参数限制：
https://e2e.ti.com/support/amplifiers-group/amplifiers/f/amplifiers-forum/1037707/amc1301-vinn-pin-and-gnd1-pin-connection-consult/3836923?tisearch=e2e-sitesearch&keymatch=AMC1300#3836923
