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INA226: Current Register(04h) read error value

Part Number: INA226

Hi !

我使用 INA226 來量測LED經過的電流(0A~3A),

設定

Configuration Register(00h) =0x4127

Calibration Register(05h) =0x0F0A

當LED在dimming時 ,LED電流非為0A的條件下,

INA226 會讀到電流為0A或8A,

Current Register(04h) = 0xFFF8 or 0 , 當 LSB=0.1221

請問在電路設計方面,

是否有方法可以改善上述的問題

謝謝!

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