INA219AIDCNR High-Side Current and Power Monitor IC – 26V I²C Interface (SOT-23-8)

The INA219AIDCNR is a precision high-side current and power monitor IC designed to accurately measure current, bus voltage, and power in DC systems. Featuring an I²C digital interface, programmable calibration, and support for bus voltages up to 26V, it is ideal for battery management, power monitoring, embedded systems, industrial equipment, and IoT applications. The compact SOT-23-8 package makes it suitable for space-constrained designs.

Key Features -

• High-side current sensing for accurate power monitoring

• Measures bus voltage from 0V to +26V

• Reports current, bus voltage, and calculated power

• I²C digital communication interface

• 16 programmable I²C addresses for multiple device support

• Programmable calibration registers for improved accuracy

• Integrated filtering options for stable measurements

• Low-power operation in compact SOT-23-8 package

• RoHS compliant, green product without antimony (Sb) or bromine (Br) flame retardants

Specifications -

• Product Type - High-Side Current and Power Monitor IC

• Part Number - INA219AIDCNR

• Current Measurement - High-Side Shunt Monitoring

• Bus Voltage Range - 0V to +26V

• Measurement Outputs - Current, Bus Voltage, Power

• Communication Interface - I²C

• Number of Programmable I²C Addresses - 16

• Calibration Support - Programmable Calibration Registers

• Filtering - Integrated Digital Filtering Options

• Measurement Accuracy - ±1% (Typical)

• Package Type - SOT-23-8

• Number of Pins - 8

• Mounting Type - Surface Mount (SMD/SMT)

Applications -

• Battery management systems (BMS)

• DC power monitoring

• Solar energy systems

• Power supplies and chargers

• Industrial automation equipment

• Raspberry Pi and Arduino projects

• ESP32 and STM32 embedded systems

• IoT power monitoring devices

• Portable electronic equipment

• Motor current monitoring