INA260

TSSOP (PW)

16

22 mm² 5 x 4.4

Precision Integrated Shunt Resistor:
- Current Sense Resistance: 2 mΩ
- Tolerance Equivalent to 0.1%
- 15-A Continuous From –40°C to +85°C
- 10 ppm/°C Temperature Coefficient (0°C to +125°C )
Senses Bus Voltages From 0 V to 36 V
High-Side or Low-Side Sensing
Reports Current, Voltage, and Power
High Accuracy:
- 0.15% System Gain Error (Maximum)
- 5-mA Offset (Maximum)
Configurable Averaging Options
16 Programmable Addresses
Operates From a 2.7-V to 5.5-V Power Supply
16-Pin, TSSOP Package

Precision Integrated Shunt Resistor:
- Current Sense Resistance: 2 mΩ
- Tolerance Equivalent to 0.1%
- 15-A Continuous From –40°C to +85°C
- 10 ppm/°C Temperature Coefficient (0°C to +125°C )
Senses Bus Voltages From 0 V to 36 V
High-Side or Low-Side Sensing
Reports Current, Voltage, and Power
High Accuracy:
- 0.15% System Gain Error (Maximum)
- 5-mA Offset (Maximum)
Configurable Averaging Options
16 Programmable Addresses
Operates From a 2.7-V to 5.5-V Power Supply
16-Pin, TSSOP Package

The INA260 is a digital-output, current, power, and voltage monitor with an I²C and SMBus™-compatible interface with an integrated precision shunt resistor. It enables high-accuracy current and power measurements and over-current detection at common-mode voltages that can vary from 0 V to 36 V, independent of the supply voltage. The device is a bidirectional, low- or high-side, current-shunt monitor that measures current flowing through the internal current-sensing resistor. The integration of the precision current-sensing resistor provides calibration-equivalent measurement accuracy with ultra-low temperature drift performance and ensures that an optimized Kelvin layout for the sensing resistor is always obtained.

The INA260 features up to 16 programmable addresses on the I²C-compatible interface. The digital interface allows programmable alert thresholds, analog-to-digital converter (ADC) conversion times, and averaging. To facilitate ease of use, an internal multiplier enables direct readouts of current in amperes and power in watts.

The device operates from a single 2.7-V to 5.5-V supply, drawing 310 µA (typical) of supply current. The INA260 is specified over the operating temperature range between –40°C and +125°C and is available in the 16-pin TSSOP package.

The INA260 is a digital-output, current, power, and voltage monitor with an I²C and SMBus™-compatible interface with an integrated precision shunt resistor. It enables high-accuracy current and power measurements and over-current detection at common-mode voltages that can vary from 0 V to 36 V, independent of the supply voltage. The device is a bidirectional, low- or high-side, current-shunt monitor that measures current flowing through the internal current-sensing resistor. The integration of the precision current-sensing resistor provides calibration-equivalent measurement accuracy with ultra-low temperature drift performance and ensures that an optimized Kelvin layout for the sensing resistor is always obtained.

The INA260 features up to 16 programmable addresses on the I²C-compatible interface. The digital interface allows programmable alert thresholds, analog-to-digital converter (ADC) conversion times, and averaging. To facilitate ease of use, an internal multiplier enables direct readouts of current in amperes and power in watts.

The device operates from a single 2.7-V to 5.5-V supply, drawing 310 µA (typical) of supply current. The INA260 is specified over the operating temperature range between –40°C and +125°C and is available in the 16-pin TSSOP package.

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Technical documentation

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	Type	Title	Date
*	Data sheet	INA260 Precision Digital Current and Power Monitor With Low-Drift, Precision Integrated Shunt datasheet (Rev. C)	13 Dec 2016
	Application note	Digital Interfaces for Current Sensing Devices (Rev. A)	30 Sep 2021
	Application note	Integrating the Current Sensing Signal Path (Rev. B)	29 Sep 2021
	Application note	Integrated, Current Sensing Analog-to-Digital Converter (Rev. A)	28 Sep 2021
	Selection guide	Current Sense Amplifiers (Rev. E)	20 Sep 2021
	Application note	Getting Started with Digital Power Monitors (Rev. A)	02 Sep 2021
	Technical article	Solving the multidecade current-measurement challenge in your 48-V BMS application	14 Jun 2021
	Technical article	How current-sense amplifiers monitor satellite health	08 Feb 2021
	E-book	Simplifying Current Sensing (Rev. A)	09 Jan 2020
	Application note	Precision, Low-Side Current Measurement (Rev. B)	06 Mar 2019
	Technical article	A key to accurate system thermal management: monitoring both current flow and temperature	04 Oct 2018
	Application note	Integrating a Current Sense Resistor With a Current Sense Amplifier (Rev. B)	20 Jul 2018
	Application note	Integrated-Resistor Current Sensors Simplify PCB Design	30 Jun 2017
	Technical article	System trade-offs for high- and low-side current measurements	01 Jun 2017
	User guide	INA260EVM-PDK User's Guide	10 Nov 2016

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

INA260EVM — High Precision Current Shunt Monitor Evaluation Module

The INA260EVM is a compact, easy-to-use platform for evaluating the main features and performance of the INA260 High Precision Current Shunt Monitor across its specified input current, common-mode voltage and temperature ranges. Instrumentation needs for performance evaluation are minimal. EVM (...)

User guide

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GUI for evaluation module (EVM)

INA260 EVM GUI

SBOC478.ZIP (6020 KB)

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Simulation model

INA260 IBIS Model

SBOMA95.ZIP (34 KB) - IBIS Model

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Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)

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Simulation tool

TINA-TI — SPICE-based analog simulation program

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)

User guide

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Calculation tool

Power Monitor Tool

SBOR021.ZIP (266 KB)

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Reference designs

TIDA-01608 — Isolated Current Sense with Integrated Shunt Resistor and I2C Interface Reference Design

This verified design can accurately measure current on a bus that carries hundreds of volts. This design is targeted for solar and server applications due to their wide high-voltage input range requirements. This design uses the INA260 current shunt monitor with integrated shunt resistor for (...)

Schematic

Reference designs

TIDA-01590 — Reference Design for 1200V Isolated I2C High Side Current Sensing for Solar Combiner Boxes

This reference design is an isolated high-side current sensing design for a smart combiner box in a grounded or ungrounded system. The current sensing topology enables multichannel, sub ±1% error, isolated current sensing for high-voltage systems up to 1200-VDC, limited by the DC/DC (...)