{"product_id":"ina219","title":"INA219 I²C current and power monitor module — 26V, 3.2A, 12-bit ADC","description":"\u003cp\u003eThe INA219 is a high-side DC current and power monitor IC from Texas Instruments, available here as a ready-to-use breakout module. It measures bus voltage, shunt voltage, current, and calculated power over I²C, making it ideal for battery monitoring, solar charge tracking, and any application where precise power consumption measurement is needed. With a 12-bit ADC and programmable gain, it delivers accurate readings across a wide range of currents without interrupting the power path.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Specifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMonitor IC: Texas Instruments INA219\u003c\/li\u003e\n\u003cli\u003eInterface: I²C (addresses 0x40 – 0x4F, configurable via A0\/A1 pads)\u003c\/li\u003e\n\u003cli\u003eBus voltage range: 0V – 26V\u003c\/li\u003e\n\u003cli\u003eMax current: ±3.2A (with onboard 0.1Ω shunt resistor)\u003c\/li\u003e\n\u003cli\u003eADC resolution: 12-bit\u003c\/li\u003e\n\u003cli\u003eShunt resistor: 0.1Ω (onboard)\u003c\/li\u003e\n\u003cli\u003eCurrent resolution: ~0.8mA (default), up to 0.1mA with calibration\u003c\/li\u003e\n\u003cli\u003ePower resolution: ~0.4mW\u003c\/li\u003e\n\u003cli\u003eSupply voltage (V\u003csub\u003eS\u003c\/sub\u003e): 3.0V – 5.5V\u003c\/li\u003e\n\u003cli\u003eQuiescent current: 1mA (max)\u003c\/li\u003e\n\u003cli\u003eOperating temperature: −40°C to +125°C\u003c\/li\u003e\n\u003cli\u003eModule dimensions: ~25mm × 10mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMeasured Parameters:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShunt voltage:\u003c\/strong\u003e voltage across the shunt resistor (±320mV range)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBus voltage:\u003c\/strong\u003e voltage on the load side (0 – 26V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent:\u003c\/strong\u003e calculated from shunt voltage and calibration register\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e calculated internally (bus voltage × current)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePinout:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVCC: 3.3V – 5V power input\u003c\/li\u003e\n\u003cli\u003eGND: Ground\u003c\/li\u003e\n\u003cli\u003eSDA: I²C data\u003c\/li\u003e\n\u003cli\u003eSCL: I²C clock\u003c\/li\u003e\n\u003cli\u003eVIN+: High-side power input (connect to power supply positive)\u003c\/li\u003e\n\u003cli\u003eVIN−: Load output (connect to load positive terminal)\u003c\/li\u003e\n\u003cli\u003eA0, A1: I²C address configuration pads\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eI²C Address Configuration:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eA1=GND, A0=GND → 0x40 (default)\u003c\/li\u003e\n\u003cli\u003eA1=GND, A0=VCC → 0x41\u003c\/li\u003e\n\u003cli\u003eA1=VCC, A0=GND → 0x44\u003c\/li\u003e\n\u003cli\u003eA1=VCC, A0=VCC → 0x45\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatible With:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eArduino Uno, Nano, Mega (Adafruit INA219 library)\u003c\/li\u003e\n\u003cli\u003eESP32 and ESP8266\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi (Python adafruit-circuitpython-ina219)\u003c\/li\u003e\n\u003cli\u003eSTM32 and other I²C-capable MCUs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBattery charge\/discharge monitoring\u003c\/li\u003e\n\u003cli\u003eSolar panel and MPPT current tracking\u003c\/li\u003e\n\u003cli\u003eUSB power delivery monitoring\u003c\/li\u003e\n\u003cli\u003eIoT device power profiling\u003c\/li\u003e\n\u003cli\u003eMotor current sensing\u003c\/li\u003e\n\u003cli\u003eSmart power distribution boards\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Embeded Studio","offers":[{"title":"Default Title","offer_id":61896501428594,"sku":"ES-INA219-I2C","price":325.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/7935\/3202\/files\/INA219.webp?v=1780444687","url":"https:\/\/embededstudio.com\/products\/ina219","provider":"Embeded Studio","version":"1.0","type":"link"}