Hi Hiroshi-san, How are you? Yes, for TX517 device This condition: HV0x = -1.9V will be needed, when set INP0x=ON and INN0x=ON at the same time. ---------------------- If when set INP0x=ON and INN0x=OFF at the same time or If when set INP0x=OFF and INN0x=ON at the same time or If when set INP0x=OFF and INN0x=OFF at the same time, then HV0x=5V and LV0x=-5V are acceptable. from the TX517 data sheet: ---------------------- Because on the TX517 data sheet, in general, both INPxx and INNxx pins are not suggested (=disallowed) to be ON at the same time. Please take a look: Thank you very much! Best regards, Chen
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