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Part Number: INA230
Would you review below schematic whether there's any wrong point?
Question > Should we have to connect the +12V_IN to the BUS (pin 11)?
Hello TS Yang, Thanks for choosing TI. You do not need R1506 and R1507. A0, A1 pins can connect directly to ground. If you don't already have them, I would add pull-up resistors to your SDA and SCL channels. Connecting the BUS pin is not necessary, but if you want to measure the power to your load and the shunt resistor (R1607) are dissapating, then yes, you should connect the BUS pin to the +12V_IN. Best regards, Peter Iliya Current Sensing Applications
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