{"product_id":"ltc4121iud-4-2-trpbf","title":"LTC4121IUD-4.2#TRPBF","description":"\u003ch2\u003eLTC4121IUD-4.2#TRPBF - Lithium-Ion Battery Charger IC\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eLTC4121IUD-4.2#TRPBF\u003c\/strong\u003e from Analog Devices is a high-performance battery charger IC designed for Lithium-Ion and Lithium-Polymer battery applications. This compact 16-QFN surface mount device delivers reliable constant-programmable charging current up to 400mA, making it ideal for embedded systems, portable electronics, and industrial power management solutions.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Voltage Range:\u003c\/strong\u003e Supports supply voltages up to 40V for versatile system integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Charging:\u003c\/strong\u003e Constant-programmable current ensures optimal battery health and longevity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Temperature Range:\u003c\/strong\u003e Operates reliably from -40°C to 125°C (TJ) for harsh industrial environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Footprint:\u003c\/strong\u003e 16-WFQFN (3x3mm) package saves valuable PCB space\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e Meets environmental standards for global distribution\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ccolgroup\u003e\u003ccol\u003e\u003c\/colgroup\u003e \u003ctbody\u003e \u003ctr\u003e \t\u003ctd\u003eProduct attributes\u003c\/td\u003e \t\u003ctd\u003eProperty Value\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eManufacturer\u003c\/td\u003e \t\u003ctd\u003eAnalog Devices Inc.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackaging\u003c\/td\u003e \t\u003ctd\u003eTape \u0026amp; Reel (TR) | \u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eBattery Chemistry\u003c\/td\u003e \t\u003ctd\u003eLithium Ion\/Polymer\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eNumber of Cells\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eCurrent - Charging\u003c\/td\u003e \t\u003ctd\u003eConstant - Programmable\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProgrammable Features\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eFault Protection\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eCharge Current - Max\u003c\/td\u003e \t\u003ctd\u003e400mA\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eBattery Pack Voltage\u003c\/td\u003e \t\u003ctd\u003e4.2V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply (Max)\u003c\/td\u003e \t\u003ctd\u003e40V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eInterface\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOperating Temperature\u003c\/td\u003e \t\u003ctd\u003e-40°C ~ 125°C (TJ)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eGrade\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eQualification\u003c\/td\u003e \t\u003ctd\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eMounting Type\u003c\/td\u003e \t\u003ctd\u003eSurface Mount\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e16-WFQFN Exposed Pad\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e16-QFN (3x3)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e   \u003ctd\u003eROHS\u003c\/td\u003e   \u003ctd\u003e\u003cimg class=\"ROSHICON\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/ROHSICON.png?v=1761919810\"\u003e\u003c\/td\u003e  \u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis battery charger IC is perfectly suited for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePortable medical devices and diagnostic equipment\u003c\/li\u003e\n\u003cli\u003eIndustrial sensors and IoT edge devices\u003c\/li\u003e\n\u003cli\u003eHandheld test and measurement instruments\u003c\/li\u003e\n\u003cli\u003eBattery-powered embedded systems\u003c\/li\u003e\n\u003cli\u003eWireless communication modules\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose HQICKEY?\u003c\/h3\u003e\u003cp\u003eAt HQICKEY, we specialize in authentic semiconductor components with full lifecycle support. Every LTC4121IUD-4.2#TRPBF unit is sourced directly from authorized distributors, ensuring genuine Analog Devices quality with complete traceability and technical documentation.\u003c\/p\u003e\u003ch3\u003eRelated Products \u0026amp; Resources\u003c\/h3\u003e\u003cp\u003eExplore our complete range of \u003ca href=\"https:\/\/hqickey.com\/collections\/battery-chargers\" title=\"Battery Chargers Collection\"\u003eBattery Chargers\u003c\/a\u003e for power management solutions across embedded and industrial applications. Visit our \u003ca href=\"https:\/\/hqickey.com\/\" title=\"HQICKEY Home\"\u003ehomepage\u003c\/a\u003e to discover premium semiconductors, or check our \u003ca href=\"https:\/\/hqickey.com\/blogs\/news\" title=\"HQICKEY Technical Blog\"\u003etechnical blog\u003c\/a\u003e for design guides, application notes, and industry insights.\u003c\/p\u003e","brand":"Analog Devices Inc.","offers":[{"title":"Default Title","offer_id":51117823820065,"sku":"LTC4121IUD-4.2#TRPBF","price":16.03,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_BC_505_05-08-1691_UD_16_b9dad4bf-893a-470b-9a32-fab67b8b3df8.jpg?v=1743683519","url":"https:\/\/hqickey.com\/de\/products\/ltc4121iud-4-2-trpbf","provider":"HQICKEY","version":"1.0","type":"link"}