{"product_id":"ina3221-module","title":"INA3221 Module","description":"\u003cp\u003e\u003cstrong\u003eA3221 Triple-Channel Shunt Current \u0026amp; Voltage Sensor Board – Power Supply Monitor\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eINA3221\u003c\/strong\u003e is a triple-channel, high-side current and bus voltage monitor designed for accurate power-supply monitoring. It measures both shunt voltage drops and bus supply voltages across three independent channels, communicating via an \u003cstrong\u003eI²C- and SMBUS-compatible interface\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWith \u003cstrong\u003eprogrammable conversion times and averaging modes\u003c\/strong\u003e, the INA3221 allows flexible measurement configuration. It also includes \u003cstrong\u003eprogrammable critical and warning alerts\u003c\/strong\u003e to detect multiple out-of-range conditions on each channel, supporting reliable system monitoring and protection.\u003c\/p\u003e\n\u003cp\u003eThe device senses current on buses ranging from \u003cstrong\u003e0 V to 26 V\u003c\/strong\u003e and operates from a \u003cstrong\u003esingle 2.7 V to 5.5 V supply\u003c\/strong\u003e, drawing \u003cstrong\u003e350 µA (typical)\u003c\/strong\u003e. It is specified for operation across a wide \u003cstrong\u003e–40°C to +125°C\u003c\/strong\u003e temperature range and supports \u003cstrong\u003efour programmable I²C addresses\u003c\/strong\u003e for system integration.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTriple-channel high-side current and bus voltage monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSenses bus voltages from \u003cstrong\u003e0 V to 26 V\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReports both \u003cstrong\u003eshunt voltage\u003c\/strong\u003e and \u003cstrong\u003ebus voltage\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh accuracy\u003c\/strong\u003e performance\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eOffset voltage: \u003cstrong\u003e±80 µV (max)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGain error: \u003cstrong\u003e0.25% (max)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfigurable averaging options\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProgrammable alert and warning outputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFour programmable I²C addresses\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eElectrical Characteristics\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Voltage Range\u003c\/td\u003e\n\u003ctd\u003e0 V to 26 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e2.7 V to 5.5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Current\u003c\/td\u003e\n\u003ctd\u003e350 µA (typ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eI²C \/ SMBUS compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e–40°C to +125°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThis A3221 sensor board provides a compact and configurable solution for multi-channel current and voltage monitoring in power-supply applications.\u003c\/p\u003e","brand":"38-3D","offers":[{"title":"Default Title","offer_id":51358728945960,"sku":"INA3221_Module","price":4.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/7581\/0600\/files\/INA3221_Module_1.jpg?v=1769013954","url":"https:\/\/38-3d.co.uk\/products\/ina3221-module","provider":"38-3D","version":"1.0","type":"link"}