{"product_id":"sparkfun-current-sensor-ina228-qwiic","title":"SparkFun Current Sensor - INA228 (Qwiic)","description":"\u003cp\u003e\u003cstrong\u003eThe SparkFun Current Sensor - INA228 (Qwiic) provides high-precision DC power monitoring with a 20-bit ADC, measuring current, voltage, power, temperature, energy and charge over I2C with Qwiic connectivity.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eThe \u003ca href=\"\/collections\/sparkfun\" title=\"SparkFun Products\"\u003eSparkFun\u003c\/a\u003e \u003cstrong\u003eCurrent Sensor - INA228 (Qwiic)\u003c\/strong\u003e makes it easy to \u003cstrong\u003emonitor DC current and power\u003c\/strong\u003e with high precision over \u003cstrong\u003eI2C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis \u003ca href=\"\/collections\/qwiic-stemma-qt\" title=\"Qwiic and STEMMA QT\"\u003eQwiic\u003c\/a\u003e breakout features the INA228 digital power monitor from Texas Instruments, which measures \u003cstrong\u003ecurrent\u003c\/strong\u003e, \u003cstrong\u003evoltage\u003c\/strong\u003e, \u003cstrong\u003epower\u003c\/strong\u003e, \u003cstrong\u003etemperature\u003c\/strong\u003e, \u003cstrong\u003eenergy\u003c\/strong\u003e, and \u003cstrong\u003echarge\u003c\/strong\u003e accumulation using an in-line 20-bit delta-sigma analogue-to-digital converter (ADC).\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eSolderless or Soldered Integration\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe INA228 Current Sensor includes both a 3-pin screw terminal and a pair of Qwiic connectors to allow for a solderless power monitor setup using the Qwiic ecosystem. A 15 mΩ shunt resistor comes pre-populated, but we've also provided \u003cstrong\u003ethrough-hole pins\u003c\/strong\u003e for a custom shunt resistor value if needed! \u003c\/p\u003e\n\u003cp\u003eFor those who prefer a \u003ca href=\"\/collections\/soldering-supplies\" title=\"Soldering Supplies\"\u003esoldered\u003c\/a\u003e connection, the breakout features a 0.1\"-spaced plated through-hole header that breaks out the INA228's power, communication pins (SDA\/SCL), and alert pin. The alert pin is a multi-purpose open-drain digital output that can report when conversions complete or when the INA228 measures values beyond a defined threshold, such as over\/under voltage (both shunt and bus), along with exceeding current\/power and temperature values. So, regardless of your preferred wiring method, integrating higher-precision power monitoring into your project is as straightforward as possible!\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eHigh-Accuracy Power Measurement\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe 20-bit delta-sigma ADC on the INA228 sets this board apart from most other in-line current sensors (including the INA237) by providing incredibly stable, precise readings for highly sensitive electronics. It delivers a power monitoring accuracy of 0.5% full scale and an energy and charge accuracy of 1.0% full scale. With a maximum common mode rejection of 154dB and an extremely low offset drift, your current measurements will remain true even in fluctuating environmental conditions from -40°C to +125°C. To get the most out of your code, the INA228 offers several advanced capabilities:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreshold Alert\u003c\/strong\u003es: Triggers that instantly alert you if voltage, current, power, or temperature limits are exceeded.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Response\u003c\/strong\u003e: A rapid 75 microsecond alert response time to protect sensitive electronics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep Analysis\u003c\/strong\u003e: Tracks accumulated energy and charge directly on the chip.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBy utilizing these built-in hardware capabilities, your main processor can remain in a low-power sleep state until an actual power event requires its attention.\u003c\/p\u003e\n\u003ch2\u003eFeatures and Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eINA228 Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e20-Bit Delta-Sigma ADC\u003c\/li\u003e\n\u003cli\u003eCurrent Monitoring Accuracy:\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eOffset Voltage: ± µV (max)\u003c\/li\u003e\n\u003cli\u003eOffset Drift: ±0.01 µV\/°C (max)\u003c\/li\u003e\n\u003cli\u003eGain Error: ±0.05% (max)\u003c\/li\u003e\n\u003cli\u003eGain Error Drift: ±20 ppm\/°C (max)\u003c\/li\u003e\n\u003cli\u003eCommon Mode Rejection: 154 dB (max)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003ePower Monitoring Accuracy: 0.5% full scale, -40°C to +125°C (max)\u003c\/li\u003e\n\u003cli\u003eEnergy and Charge Accuracy: 1.0% full scale (max)\u003c\/li\u003e\n\u003cli\u003eAlert Response Time: 75 µS\u003c\/li\u003e\n\u003cli\u003eCommon-Mode Range: -0.3 V to +85 V\u003c\/li\u003e\n\u003cli\u003eBus Voltage Sense Input: 0 V to 85 V\u003c\/li\u003e\n\u003cli\u003eShunt Full-Scale Differential Range: ±163.84 mV \/ ±40.96 mV\u003c\/li\u003e\n\u003cli\u003e2.94MHz High-Speed I2C Interface\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e4 Available I2C Addresses (Selected by solder jumpers)\u003c\/li\u003e\n\u003cli\u003eDefault Address: 0x40\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupply Voltage: 2.7 V to 5.5V\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eOperational Current: 640 µA\u003c\/li\u003e\n\u003cli\u003eShutdown Current: 5 µA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eQwiic Breakout Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2x Qwiic Connectors\u003c\/li\u003e\n\u003cli\u003e1x 3-Pin Screw Terminal\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eMax Power Rating: 85V\/10A\u003c\/li\u003e\n\u003cli\u003eIN± Shunt Resistor: 10mΩ (Default)\u003c\/li\u003e\n\u003cli\u003eOptional external shunt resistor connections\u003c\/li\u003e\n\u003cli\u003eVBUS Isolated from IN± by default\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e0.1\"-spaced Through Hole Header\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003ePower (VCC\/GND), I2C (SDA\/SCL) and Alert\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eRed Power LED\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.sparkfun.com\/assets\/f\/7\/a\/8\/a\/SparkFun_Qwiic_Current_Sensor_INA2XX.pdf\" rel=\"noopener\" title=\"Schematic\" target=\"_blank\"\u003eSchematic\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.sparkfun.com\/assets\/9\/f\/d\/3\/1\/SparkFun_Qwiic_Current_Sensor_INA2XX.zip\" rel=\"noopener\" title=\"KiCad Files\" target=\"_blank\"\u003eKiCad Files\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.sparkfun.com\/assets\/b\/8\/9\/8\/b\/SparkFun_Qwiic_Current_Sensor_INA2XX.png\" rel=\"noopener\" title=\"Board Dimensions\" target=\"_blank\"\u003eBoard Dimensions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/docs.sparkfun.com\/SparkFun_Qwiic_Current_Sensor_INA2XX\/\" rel=\"noopener\" title=\"Hookup Guide\" target=\"_blank\"\u003eHookup Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.sparkfun.com\/assets\/6\/4\/1\/d\/c\/INA228.pdf\" rel=\"noopener\" title=\"Datasheet\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e (INA228)\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/sparkfun\/SparkFun_INA2XX_Arduino_Library\" rel=\"noopener\" title=\"SparkFun INA2XX Arduino Library\" target=\"_blank\"\u003eSparkFun INA2XX Arduino Library\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/sparkfun\/SparkFun_Qwiic_Current_Sensor_INA2XX\" rel=\"noopener\" title=\"GitHub Repository\" target=\"_blank\"\u003eGitHub Repository\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x SparkFun Current Sensor - INA228 (Qwiic)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sparkfun","offers":[{"title":"Default Title","offer_id":56219426652545,"sku":"SEN-31438","price":17.9,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/sparkfun-current-sensor-ina228-qwiic-sparkfun-sen-31438-1256966978.jpg?v=1788453878","url":"https:\/\/thepihut.com\/products\/sparkfun-current-sensor-ina228-qwiic","provider":"The Pi Hut","version":"1.0","type":"link"}