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INA2227 Datasheet(PDF) 24 Page - Texas Instruments |
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INA2227 Datasheet(HTML) 24 Page - Texas Instruments |
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24 / 43 page  Table 7-13. BUS_VOLTAGE Register Field Description Bit Field Type Reset Description 15-0 VBUS R 0000h Bus voltage output. 2's complement value, however always positive. Return to the Summary Table. 7.1.8 CURRENT Registers The current registers store the calculated current value for each of the channels. Current measurements are stored in an unique register addresses as shown in Table 7-14. Table 7-14. INA2227 CURRENT Registers Address Register Name Register Type Register Size (bits) 0x02 CURRENT_CH1 R 16 0x0A CURRENT_CH2 R 16 The format of each current register is shown in Table 7-15. If averaging is enabled, this register displays the averaged value. The value of the Current Register is calculated by multiplying the decimal value in the Shunt Voltage Register with the decimal value of the Calibration Register. Table 7-15. CURRENT Register Field Description Bit Field Type Reset Description 15-0 CURRENT R 0000h Calculated current output in Amperes. 2's complement value. Return to the Summary Table. 7.1.9 POWER Registers The power registers store the multiplied value of the bus voltage and current for each of the channels. Power measurements are stored in an unique register addresses as shown in Table 7-16. Table 7-16. INA2227 POWER Registers Address Register Name Register Type Register Size (bits) 0x03 POWER_CH1 R 16 0x0B POWER_CH2 R 16 The format of each power register is shown in Table 7-17. If averaging is enabled, this register displays the averaged value. The Power Register records power in Watts by multiplying the decimal values of the Current Register with the decimal value of the Bus Voltage Register. This is an unsigned result. Table 7-17. POWER Register Field Description Bit Field Type Reset Description 15-0 POWER R 0000h This bit returns a calculated value of power in the system. This is an unsigned result. Return to the Summary Table. 7.1.10 Energy Registers The energy registers accumulate data from the power registers and with the internal precision timebase calculate and store the energy for each of the channels. Energy measurements are stored in an unique register addresses as shown in Table 7-18. INA2227 SBOSAL5 – JUNE 2025 www.ti.com 24 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated Product Folder Links: INA2227 |
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