INA209 The Texas Instruments INA209 is a high-side current shunt and power monitor featuring an I2C interface. It monitors bus voltages from 0V to 26V with 12-bit resolution.
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INA209

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments INA209 is a high-side current shunt and power monitor featuring an I2C interface. It monitors bus voltages from 0V to 26V with 12-bit resolution.
Total Stock: 10,044 pcs
$ Price Range: $1.14

INA209 Available from 1 distributor

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INA209 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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INA209 Description

Short technical summary and product information.

The Texas Instruments INA209 is a versatile high-side current shunt and power monitor designed for precise measurement in various applications. It utilizes an I2C interface for communication and can sense bus voltages ranging from 0V to +26V.

 

Key electrical specifications include a 12-bit resolution, a maximum common-mode voltage of 26V, and a typical supply current of 1.5mA. The device offers high accuracy with a maximum gain error of 0.5% and a power measurement accuracy of 1% over temperature.

 

Designed for reliability, the INA209 includes triple watchdog capabilities for monitoring lower warning limits and upper over-limit conditions. It also features an analog comparator and a programmable digital-to-analog converter (DAC) for fast overload response.

 

This monitor is available in a TSSOP (PW) package, measuring 5 mm x 6.4 mm with an area of 32 mm². Its operating temperature range is from -40°C to 125°C, making it suitable for demanding environments.

INA209 Quick Information

Product Type: Current/Voltage/Power Monitor
Canonical Name: INA209 High-Side Current Shunt and Power Monitor with I2C Interface
Subcategory: Digital Power Monitor

INA209 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

INA209 Estimated Pricing

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1+ $1.14 $1.14

Estimated market price range - modelled values for guidance only, not live distributor offers.

INA209 Features

  • Monitors current, voltage, and power.
  • Senses bus voltages from 0V to 26V.
  • Features I2C interface for communication.
  • Includes triple watchdog capabilities.
  • High accuracy with 1% max over temperature.

INA209 Applications

  • Suitable for server applications.
  • Used in telecom equipment.
  • Applicable in automotive systems.
  • Ideal for power management.
  • Designed for battery chargers.

INA209 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range of the INA209?

The supply voltage range is 3V to 5.5V.

What is the operating temperature range of the INA209?

The operating temperature range is -40°C to +125°C.

What package type is the INA209 available in?

The INA209 is available in a TSSOP (PW) package measuring 5 mm x 6.4 mm.

What is the common-mode voltage range of the INA209?

The common-mode voltage range is 0V to 26V.

What is the resolution of the INA209?

The resolution is 12 bits.

What digital interfaces does the INA209 support?

The INA209 supports I2C and SMBus interfaces.

What voltage gain options are available on the INA209?

The available gains are 0.125, 0.25, 0.5, and 1 V/V.

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