INA233 datasheet(41/48 Pages) TI1

Part #	INA233

Description	High-Side or Low-Side Measurement, Bidirectional Current and Power Monitor With I2C-, SMBus-, and PMBus-Compatible Interface

PDF	48 Pages

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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41 / 48 page

Power Register

Current Register

Interface

Voltage Register

ADC

0.1 µF

BYPASS

10-A

Load

Alert Register

3.3-V Supply

Voltage

5 - Bus Supply

2 m

SHUNT

Pullup Resistors

ALERT

SDA

SCL

GND

VBUS

IN-

IN+

INA233

www.ti.com

SBOS790 – APRIL 2017

Product Folder Links: INA233

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8 Application and Implementation

NOTE

Information in the following applications sections is not part of the TI component

specification, and TI does not warrant its accuracy or completeness. TI’s customers are

responsible for determining suitability of components for their purposes. Validate and test

the design implementation to confirm system functionality.

8.1 Application Information

The INA233 is a current shunt and power monitor with an I2C-, SMBus-, and PMBus-compatible interface. The

device monitors both a shunt voltage drop and bus supply voltage. Programmable calibration value, conversion

times, and averaging (combined with an internal multiplier) enable direct readouts of current in amperes and

power in watts.

8.2 Typical Application

Figure 43. Typical High-Side Sensing Circuit Configuration, INA233

INA233 Datasheet(PDF) 41 Page - Texas Instruments

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