INA237 datasheet(13/48 Pages) TI

tên linh kiện	INA237

Giải thích chi tiết về linh kiện	INA237-Q1 AEC-Q100, 85-V, 16-Bit, Precision Power Monitor With I2C Interface

PDF	48 Pages

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nhà sản xuất	TI [Texas Instruments]

Trang chủ	http://www.ti.com

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13 / 48 page

7.3.2 Power Calculation

The current and power are calculated after a shunt voltage and bus voltage measurement as shown in Figure

7-2. Power is calculated based on the previous current calculation and the latest bus voltage measurement. If

the value loaded into the SHUNT_CAL register is zero, the power value reported is also zero. The current and

power values are considered intermediate results (unless the averaging is set to 1) and are stored in an internal

accumulation register. Following every measured sample, the newly-calculated values for current and power are

appended to this accumulation register until all of the samples have been measured and averaged. After all

of the samples have been measured and the corresponding current and power calculations have been made,

the accumulated average for each of these parameters is then loaded to the corresponding output registers

where they can then be read. These calculations are performed in the background and do not add to the overall

conversion time.

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INA237-Q1

SBOSA27A – JUNE 2020 – REVISED JUNE 2021

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INA237 bảng dữ liệu(PDF) 13 Page - Texas Instruments