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[FAQ] IWRL6432: Measuring Power Consumption on IWRL6432BOOST

Part Number: IWRL6432
Other Parts Discussed in Thread: INA228,

The IWRL6432BOOST Evaluation Module can measure the power consumed by the IWRL6432 device in operation through the 4 current measurement amplifiers (INA228's) placed on the board. However, the measurement is ONLY valid for certain board revisions. Currently, there are 3 board revisions that have been produced

Rev A

Rev B

Rev B, ASSY A1

Revision Pictures Can it measure power accurately?

Rev A

 NO
Rev B  NO
Rev B, ASSY A1  YES

EVMs that CANNOT measure power accurately can be modified to measure power accurately through the following BOM changes outlined in section 5 of the xWRL6432 Power Consumption App Note