Can TMCS be used to measure DC800V current? if can not. any other solution? thx
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The device is unfortunately only rated for 600V working voltage. The device may work at this increased voltage, but as figure 9-1 shows (for an AC test, not DC), increased working voltage typically will lead to shorter product life time, and more failures. Furthermore, as we only rate up to 600V, 800V would be outside of the TI recommended specifications, and we cannot guarantee that the device would perform to datasheet specification. We do have some upcoming devices releasing soon that will have upgrades to both working voltage capability, as well as current measurement magnitude.