Other Parts Discussed in Thread: INA4180,
Customer is looking for qual current sense solution.
Would you please comment what the difference between INA4180 and INA4181?
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The INAx180 devices are unidirectional - they have no REF pin so OUT is always referenced to GND. They are best suited for measuring a system that is sinking current.
The INAx181 devices are bidirectional - they have a REF pin which sets the reference of OUT. You can set REF to some non-zero voltage such as VS/2 in order to measure systems that are sinking and sourcing current.
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