INA232 datasheet(3/39 Pages) TI

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5 Pin Configuration and Functions

IN+

ALERT

IN–

GND

SDA

SCL

Not to scale

Figure 5-1. DDF Package 8-Pin SOT-23 (Top View)

Table 5-1. Pin Functions

TYPE

DESCRIPTION

NAME

DDF (SOT23-8)

Digital input

Address pin. Connect to GND, SCL, SDA, or VS. Table 7-1 lists the pin settings and corresponding

addresses.

ALERT

Digital output

Multifunctional alert, open-drain output. This pin alerts to report fault conditions or can be configured to

notify host when a conversion is complete.

GND

Ground

Ground for both analog and digital.

IN–

Analog input

Current sensing negative input. For high-side applications, connect to load side of sense resistor. For

low-side applications, connect to ground side of sense resistor. Bus voltage measurements are made

with respect to this pin.

IN+

Analog input

Current sensing positive input. For high-side applications, connect to bus voltage side of sense resistor.

For low-side applications, connect to load side of sense resistor.

SCL

Digital input

Serial bus clock line, open-drain input.

SDA

Digital

input/output

Serial bus data line, open-drain input/output

Power Supply

Power supply, 1.7 V to 5.5 V

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INA232

SBOSAA2 – DECEMBER 2022

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