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INA210 Datasheet(PDF) 10 Page - Texas Instruments

Part # INA210
Description  INA3221 26V, Triple Channel, 13-Bit, I2C Output Current and Voltage Monitor With Alerts
PDF  50 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

INA210 Datasheet(HTML) 10 Page - Texas Instruments

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7 Detailed Description
7.1 Overview
The INA3221 is a current-shunt and bus voltage monitor that communicates over an I2C- and SMBus-compatible
interface. The INA3221 provides digital shunt and bus voltage readings necessary for accurate decision making
in precisely-controlled systems, and also monitors multiple rails to maintain compliance voltages. Programmable
registers offer flexible configuration for measurement precision, and continuous versus single-shot operation.
The Register Maps section provides details of the INA3221 registers, beginning with Table 7-3.
7.2 Functional Block Diagram
Shunt Voltage
Channel
Bus Voltage
Channel
ADC
Shunt Voltage
(1)
Bus Voltage
(1)
Critical Limit
(2)
Warning Limit
(2)
Summation
(1)
Summation Limit
(2)
X
Channel 2
Channel 3
X
Power Valid
Upper Limit
(2)
Power Valid
Lower Limit
(2)
Channel 2
Channel 3
A.
Read-only.
B.
Read/write.
INA3221
SBOS576C – MAY 2012 – REVISED SEPTEMBER 2025
www.ti.com
10
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Copyright © 2025 Texas Instruments Incorporated
Product Folder Links: INA3221



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