{"product_id":"ina219-dc-current-voltage-power-monitor-sensor-module-i2c","title":"INA219 DC Current Voltage Power Monitor Sensor Module – I2C","description":"\n\u003ch2\u003eINA219 DC Current and Voltage Power Monitor Module – High-Side I2C Sensor\u003c\/h2\u003e\n\n\u003cp\u003eBuy the \u003cstrong\u003eINA219 DC Current and Voltage Power Monitor Module\u003c\/strong\u003e online in Pakistan from \u003cstrong\u003eRobostan.pk\u003c\/strong\u003e. This high-precision digital power monitoring module is designed to measure DC voltage, current, and power consumption in electronic circuits, battery-powered devices, robotics, solar energy systems, and IoT applications.\u003c\/p\u003e\n\n\u003cp\u003ePowered by the \u003cstrong\u003eTexas Instruments INA219 current and power monitoring IC\u003c\/strong\u003e, this compact sensor supports high-side current measurement and communicates through an I2C digital interface. It is suitable for Arduino, ESP32, Raspberry Pi, STM32, and other compatible microcontroller platforms.\u003c\/p\u003e\n\n\u003cp\u003eThe INA219 supports \u003cstrong\u003eDC bus voltage measurements up to 26V\u003c\/strong\u003e and can measure bidirectional current through an external shunt resistor. Common INA219 breakout modules include a 0.1-ohm shunt resistor, enabling current measurements up to approximately ±3.2A under suitable operating conditions.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eINA219 high-side DC current and power monitor\u003c\/li\u003e\n\u003cli\u003eMeasures DC voltage, current, and calculated power\u003c\/li\u003e\n\u003cli\u003eSupports DC bus voltage measurement from 0V to 26V\u003c\/li\u003e\n\u003cli\u003eTypical current measurement range of ±3.2A with a 0.1-ohm shunt\u003c\/li\u003e\n\u003cli\u003eIntegrated 12-bit ADC for digital measurement\u003c\/li\u003e\n\u003cli\u003eHigh-side and bidirectional current sensing\u003c\/li\u003e\n\u003cli\u003eI2C and SMBus-compatible communication\u003c\/li\u003e\n\u003cli\u003eCompatible with 3.3V and 5V supply systems\u003c\/li\u003e\n\u003cli\u003eIntegrated programmable gain amplifier\u003c\/li\u003e\n\u003cli\u003eConfigurable conversion timing and averaging\u003c\/li\u003e\n\u003cli\u003eProgrammable calibration registers\u003c\/li\u003e\n\u003cli\u003e16 programmable I2C addresses supported by the sensor IC\u003c\/li\u003e\n\u003cli\u003eLow power consumption\u003c\/li\u003e\n\u003cli\u003eCompact PCB design for easy integration\u003c\/li\u003e\n\u003cli\u003eIdeal for Arduino, Raspberry Pi, and IoT applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e INA219 Current Voltage Power Monitor Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor IC:\u003c\/strong\u003e INA219\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIC Manufacturer:\u003c\/strong\u003e Texas Instruments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Digital DC Current and Power Monitor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement Method:\u003c\/strong\u003e High-Side Shunt Sensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBus Voltage Range:\u003c\/strong\u003e 0V to 26V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Supply Voltage:\u003c\/strong\u003e 3V to 5.5V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Shunt Resistor:\u003c\/strong\u003e 0.1 Ohm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Current Measurement:\u003c\/strong\u003e Up to ±3.2A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Shunt Voltage Range:\u003c\/strong\u003e ±320mV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eADC Resolution:\u003c\/strong\u003e 12-Bit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e I2C \/ SMBus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Default I2C Address:\u003c\/strong\u003e 0x40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgrammable Addresses:\u003c\/strong\u003e Up to 16 at IC Level\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasured Parameters:\u003c\/strong\u003e Bus Voltage, Shunt Voltage, Current, Power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Direction:\u003c\/strong\u003e Bidirectional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIC Operating Temperature:\u003c\/strong\u003e -40°C to +125°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Type:\u003c\/strong\u003e PCB Breakout Sensor\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eArduino voltage and current monitoring\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi power monitoring projects\u003c\/li\u003e\n\u003cli\u003eBattery voltage and current measurement\u003c\/li\u003e\n\u003cli\u003eSolar panel power monitoring\u003c\/li\u003e\n\u003cli\u003eDC power supply testing\u003c\/li\u003e\n\u003cli\u003eEnergy consumption monitoring\u003c\/li\u003e\n\u003cli\u003eRobotics and automation systems\u003c\/li\u003e\n\u003cli\u003eESP32 IoT energy monitoring projects\u003c\/li\u003e\n\u003cli\u003eDC motor current measurement\u003c\/li\u003e\n\u003cli\u003eEmbedded electronics development\u003c\/li\u003e\n\u003cli\u003eBattery discharge monitoring\u003c\/li\u003e\n\u003cli\u003eSmart energy measurement systems\u003c\/li\u003e\n\u003cli\u003ePortable electronic device testing\u003c\/li\u003e\n\u003cli\u003eEducational electronics projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHigh-Side Current Measurement\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eINA219 High-Side Current Sensor\u003c\/strong\u003e measures current by monitoring the small voltage drop across a shunt resistor connected in series with the positive supply line.\u003c\/p\u003e\n\n\u003cp\u003eUnlike conventional low-side current sensing, high-side measurement allows the load to maintain its normal ground connection.\u003c\/p\u003e\n\n\u003cp\u003eThis makes the INA219 especially useful for monitoring power consumption in DC circuits without introducing a measurement resistor into the load's ground return path.\u003c\/p\u003e\n\n\u003ch3\u003eVoltage, Current and Power Monitoring\u003c\/h3\u003e\n\n\u003cp\u003eThe INA219 provides three important measurements for electronic power monitoring applications:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Measurement:\u003c\/strong\u003e Measures DC bus voltage up to 26V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Measurement:\u003c\/strong\u003e Measures current flowing through the connected shunt resistor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Measurement:\u003c\/strong\u003e Calculates electrical power using calibrated current and voltage measurement data.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThese measurements can be read digitally through the I2C interface and displayed on an LCD, OLED, computer serial monitor, or compatible IoT dashboard.\u003c\/p\u003e\n\n\u003ch3\u003eArduino and Raspberry Pi Compatibility\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eINA219 I2C Sensor Module\u003c\/strong\u003e can communicate with Arduino, Raspberry Pi, ESP32, STM32, and other compatible controllers using its SDA and SCL connections.\u003c\/p\u003e\n\n\u003cp\u003eCompatible software libraries simplify access to bus voltage, current, and power measurements.\u003c\/p\u003e\n\n\u003cp\u003eFor Raspberry Pi and ESP32 connections, ensure the I2C pull-up voltage is compatible with the controller's 3.3V GPIO logic.\u003c\/p\u003e\n\n\u003ch3\u003eTypical INA219 Module Pinout\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVCC:\u003c\/strong\u003e Sensor power supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGND:\u003c\/strong\u003e Ground connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSDA:\u003c\/strong\u003e I2C data line\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSCL:\u003c\/strong\u003e I2C clock line\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVIN+:\u003c\/strong\u003e High-side shunt input from DC supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVIN-:\u003c\/strong\u003e High-side shunt output toward the load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eSome breakout versions include additional address selection jumpers or connection points. Check the markings on your particular module before wiring.\u003c\/p\u003e\n\n\u003ch3\u003eINA219 vs ACS712 Current Sensor\u003c\/h3\u003e\n\n\u003cp\u003eThe INA219 and ACS712 are both used for current measurement, but they operate differently.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eINA219:\u003c\/strong\u003e Digital I2C module for DC current, bus voltage, and power monitoring using a shunt resistor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eACS712:\u003c\/strong\u003e Hall-effect current sensor with analog output, available in multiple current ranges and suitable for AC or DC current sensing with appropriate signal processing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe INA219 is especially convenient when digital voltage, current, and power readings are required in a single module.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose INA219?\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eMultiple Measurements:\u003c\/strong\u003e Monitor DC voltage, current, and calculated power using one module.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDigital Communication:\u003c\/strong\u003e I2C provides straightforward integration with compatible controllers.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHigh-Side Monitoring:\u003c\/strong\u003e Allows current measurement without placing the shunt in the ground return connection.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProgrammable Settings:\u003c\/strong\u003e Adjustable gain, conversion time, and calibration support different monitoring requirements.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompact Design:\u003c\/strong\u003e Suitable for portable electronics, robotics, and embedded monitoring projects.\u003c\/p\u003e\n\n\u003ch3\u003eImportant Usage Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe INA219 is designed for DC power monitoring, not direct AC mains measurement.\u003c\/li\u003e\n\u003cli\u003eDo not exceed the 26V bus voltage measurement limit.\u003c\/li\u003e\n\u003cli\u003eThe current limit depends on the installed shunt resistor and its power rating.\u003c\/li\u003e\n\u003cli\u003eCheck the shunt resistor and module PCB current rating before measuring high currents.\u003c\/li\u003e\n\u003cli\u003eThe module does not provide galvanic isolation.\u003c\/li\u003e\n\u003cli\u003eEnsure I2C signal voltages are compatible with the connected controller.\u003c\/li\u003e\n\u003cli\u003eVerify module pin markings before applying power.\u003c\/li\u003e\n\u003cli\u003eCurrent and power calculations require appropriate calibration settings.\u003c\/li\u003e\n\u003cli\u003eProtect the sensor against voltage spikes and incorrect polarity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBuy INA219 Current and Voltage Sensor in Pakistan\u003c\/h3\u003e\n\n\u003cp\u003eLooking for an \u003cstrong\u003eINA219 DC Current Voltage Power Monitor Module in Pakistan\u003c\/strong\u003e? Shop online at \u003cstrong\u003eRobostan.pk\u003c\/strong\u003e for current sensors, voltage monitoring modules, Arduino boards, ESP32 controllers, Raspberry Pi accessories, and electronic components.\u003c\/p\u003e\n\n\u003cp\u003eThe INA219 is a practical choice for students, engineers, electronics technicians, and IoT developers building battery monitoring, power measurement, and energy management projects.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOrder your INA219 I2C Power Monitor Module from Robostan.pk\u003c\/strong\u003e with nationwide delivery across Pakistan, including Lahore, Karachi, Islamabad, Rawalpindi, Faisalabad, Multan, Peshawar, and other cities.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRobostan.pk – Build. Innovate. Create.\u003c\/strong\u003e\u003c\/p\u003e\n","brand":"ROBOSTAN","offers":[{"title":"Default Title","offer_id":68180693746030,"sku":null,"price":380.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/7391\/8062\/files\/ChatGPTImageNov12_2026_07_45_46PM-1.png?v=1794495765","url":"https:\/\/robostan.pk\/products\/ina219-dc-current-voltage-power-monitor-sensor-module-i2c","provider":"ROBOSTAN","version":"1.0","type":"link"}