{"product_id":"sparkfun-ina237-qwiic-current-sensor","title":"SparkFun INA237 Qwiic Current Sensor","description":"\u003cdiv class=\"product-block-list__item product-block-list__item--description details_product\"\u003e\u003cdiv class=\"card\"\u003e\n\u003cdiv class=\"card__header\"\u003e\r\n\u003ch2 class=\"card__title heading h3\"\u003eDescription\u003c\/h2\u003e\r\n\u003c\/div\u003e\n\u003cdiv class=\"card__section expandable-content desc-view-more\" id=\"main-description\"\u003e\n\u003cdiv class=\"rte text--pull\"\u003e\n\u003cul\u003e\n\u003cli\u003eSparkFun INA237 Qwiic Current Sensor\u003c\/li\u003e\n\u003cli\u003eFacilitates precise I2C current and power monitoring\u003c\/li\u003e\n\u003cli\u003eIncorporates 16-bit delta-sigma ADC for accuracy\u003c\/li\u003e\n\u003cli\u003eMonitors currents with ±50 µV offset voltage max\u003c\/li\u003e\n\u003cli\u003eFeatures alert response time of 75 µS\u003c\/li\u003e\n\u003cli\u003eSupports high-speed 2.94MHz I2C interface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003cstrong\u003eSparkFun INA237 Qwiic Current Sensor\u003c\/strong\u003e facilitates precise monitoring of DC current and power via I2C. This breakout board incorporates the INA237 digital power monitor from Texas Instruments, enabling the measurement of current, bus voltage, temperature, and power for an in-line DC input through a 16-bit delta-sigma analog-to-digital converter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cbutton class=\"expandable-content__toggle\" aria-expanded=\"false\" aria-controls=\"main-description\"\u003e\u003cspan class=\"expandable-content__toggle-icon\"\u003e\u003c\/span\u003e\u003cspan class=\"expandable-content__toggle-text\" data-view-more=\"View more\" data-view-less=\"View less\"\u003eView more\u003c\/span\u003e\u003c\/button\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\n\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-2\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eWhat's Included\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewbox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-2\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cul\u003e\n\u003cli\u003e1x SparkFun INA237 Qwiic Current Sensor\u003c\/li\u003e\n\u003cli\u003e2x Qwiic Connector\u003c\/li\u003e\n\u003cli\u003e1x 3-Pin Screw Terminal\u003c\/li\u003e\n\u003cli\u003e1x 15 mΩ Shunt Resistor Pre-populated on the Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\n\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-4\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eLinks\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewbox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-4\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\n\u003cp\u003e\u003cstrong\u003ePDF Files\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.robotshop.com\/media\/S\/Spa\/RB-Spa-2725\/pdf\/sparkfun_ina237_qwiic_current_sensor_datasheet.pdf\" target=\"_blank\"\u003eSparkFun INA237 Qwiic Current Sensor - Datasheet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.robotshop.com\/media\/S\/Spa\/RB-Spa-2725\/pdf\/sparkfun_ina237_qwiic_current_sensor_schematic.pdf\" target=\"_blank\"\u003eSparkFun INA237 Qwiic Current Sensor - Schematic\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eZIP File\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.robotshop.com\/media\/S\/Spa\/RB-Spa-2725\/zip\/sparkfun_ina237_qwiic_current_sensor_kicad_files.zip\" target=\"_blank\"\u003eSparkFun INA237 Qwiic Current Sensor - Kicad Files\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\n\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-7\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eSpecifications\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewbox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-7\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cul\u003e\n\u003cli\u003e16-bit Delta-Sigma ADC\u003c\/li\u003e\n\u003cli\u003eCurrent monitoring accuracy: Offset voltage: ±50 µV (max), Offset drift: ±0.02 µV\/°C (max), Gain error: ±0.3% (max), Gain error drift: ±50 ppm\/°C (max), Common mode rejection: 120 dB (max)\u003c\/li\u003e\n\u003cli\u003ePower monitoring accuracy: 1.6% full scale, -40°C to +125°C (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 sensing 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\u003e2.94 MHz high-speed I2C interface\u003c\/li\u003e\n\u003cli\u003eFour available I2C addresses (selected by solder jumpers)\u003c\/li\u003e\n\u003cli\u003eDefault address: 0x40\u003c\/li\u003e\n\u003cli\u003eSupply voltage: 2.7 V to 5 V\u003c\/li\u003e\n\u003cli\u003eOperational current: 640 µA (typical)\u003c\/li\u003e\n\u003cli\u003eShutdown current: 5 µA (max)\u003c\/li\u003e\n\u003cli\u003eMaximum power rating: 85 V\/10 A\u003c\/li\u003e\n\u003cli\u003eIN± shunt resistor: 10 mΩ (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\u003cli\u003e0.1\"-spaced through-hole header\u003c\/li\u003e\n\u003cli\u003ePower (VCC\/GND), I2C (SDA\/SCL), and alert\u003c\/li\u003e\n\u003cli\u003eRed power LED\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sparkfun Electronics","offers":[{"title":"Default Title","offer_id":58396570091894,"sku":"RB-Spa-2725","price":9.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/8122\/4630\/files\/pp_4520108.webp?v=1785876356","url":"https:\/\/uk.robotshop.com\/products\/sparkfun-ina237-qwiic-current-sensor","provider":"RobotShop UK","version":"1.0","type":"link"}