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INA745AIRELR Datenblatt(PDF) 3 Page - Texas Instruments

Teilenummer INA745AIRELR
Bauteilbeschribung  INA745x 40V, 16-Bit, Precision I2C Output Digital Power Monitor With EZShunt™ Technology
PDF  50 Pages
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Hersteller  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
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INA745AIRELR Datenblatt(HTML) 3 Page - Texas Instruments

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4 Pin Configuration and Functions
SH+
SH-
IN+
IN-
A1
A0
SDA
SCL
IS-
IS+
ALERT
VS
GND
VBUS
1
2
3
4
5
6
7
14
8
9
10
11
12
13
Figure 4-1. REL Package 14-Pin QFN Top View
Table 4-1. Pin Functions
PIN
TYPE
DESCRIPTION
NO.
NAME
1
SH+
Analog output
Shunt positive sense connection
2
IN+
Analog input
Positive input to digital power monitor.
3
A1
Digital input
I2C address pin. Connect to GND, SCL, SDA, or VS.
4
A0
Digital input
I2C address pin. Connect to GND, SCL, SDA, or VS.
5
SDA
Digital input/output
Open-drain bidirectional I2C data.
6
SCL
Digital input
I2C clock input.
7
IS–
Analog input
Negative high current shunt connection.
8
SH–
Analog output
Shunt negative sense connection.
9
IN–
Analog input
Negative input to digital power monitor.
10
ALERT
Digital output
Open-drain alert output, default state is active low.
11
VS
Power supply
Power supply, 2.7V to 5.5V.
12
GND
Ground
Ground.
13
VBUS
Analog input
Bus voltage input.
14
IS+
Analog input
Positive high current shunt connection.
www.ti.com
INA745A, INA745B
SBOSAC3B – JULY 2023 – REVISED AUGUST 2025
Copyright © 2025 Texas Instruments Incorporated
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Product Folder Links: INA745A INA745B



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