{"product_id":"ltc4121eud-4-2","title":"LTC4121EUD-4.2","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eLTC4121EUD-4.2\u003c\/strong\u003e from Analog Devices Inc. is a high-performance lithium-ion\/polymer battery charger IC designed for demanding embedded, industrial, and automotive applications. This compact 16-QFN surface mount device delivers reliable constant-programmable charging current up to 400mA with a 4.2V battery pack voltage, making it ideal for portable electronics, IoT devices, and battery-powered systems.\u003c\/p\u003e\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Input Voltage Range:\u003c\/strong\u003e Supports up to 40V supply voltage for versatile power source compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Temperature Range:\u003c\/strong\u003e Operates reliably from -40°C to 125°C (TJ), perfect for harsh industrial environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e 16-WFQFN Exposed Pad (3x3mm) package saves valuable PCB space\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgrammable Charging:\u003c\/strong\u003e Constant-programmable current control for optimized battery lifecycle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface Mount Technology:\u003c\/strong\u003e Easy integration into automated manufacturing processes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ccolgroup\u003e\u003ccol\u003e\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct attributes\u003c\/td\u003e\n\u003ctd\u003eProperty Value\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAnalog Devices Inc.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaging\u003c\/td\u003e\n\u003ctd\u003e | \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Chemistry\u003c\/td\u003e\n\u003ctd\u003eLithium Ion\/Polymer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Cells\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent - Charging\u003c\/td\u003e\n\u003ctd\u003eConstant - Programmable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgrammable Features\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFault Protection\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharge Current - Max\u003c\/td\u003e\n\u003ctd\u003e400mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Pack Voltage\u003c\/td\u003e\n\u003ctd\u003e4.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage - Supply (Max)\u003c\/td\u003e\n\u003ctd\u003e40V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C ~ 125°C (TJ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrade\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQualification\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eSurface Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage \/ Case\u003c\/td\u003e\n\u003ctd\u003e16-WFQFN Exposed Pad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupplier Device Package\u003c\/td\u003e\n\u003ctd\u003e16-QFN (3x3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eThis battery charger IC is engineered for mission-critical applications including portable medical devices, industrial sensors, automotive electronics, wireless communication modules, and battery-powered IoT edge devices. Its robust design ensures long-term reliability and consistent performance across temperature extremes.\u003c\/p\u003e\u003ch2\u003eWhy Choose HQICKEY?\u003c\/h2\u003e\u003cp\u003eAt HQICKEY, we guarantee 100% authentic components with full traceability and lifecycle support. Our technical team provides expert guidance for component selection and integration, ensuring your design success from prototype to production.\u003c\/p\u003e\u003ch2\u003eRelated Products \u0026amp; Resources\u003c\/h2\u003e\u003cp\u003eExplore our complete range of \u003ca href=\"https:\/\/hqickey.com\/collections\/battery-chargers\" title=\"Battery Chargers - Power Management ICs\"\u003eBattery Chargers\u003c\/a\u003e for comprehensive power management solutions. Visit our \u003ca href=\"https:\/\/hqickey.com\/\" title=\"HQICKEY - Premium Semiconductor Components\"\u003ehomepage\u003c\/a\u003e to discover our full catalog of premium semiconductor components, or check our \u003ca href=\"https:\/\/hqickey.com\/blogs\/news\" title=\"HQICKEY Technical Blog - Industry Insights\"\u003etechnical blog\u003c\/a\u003e for the latest industry insights, application notes, and design tips.\u003c\/p\u003e","brand":"Analog Devices Inc.","offers":[{"title":"Default Title","offer_id":51117907214625,"sku":"LTC4121EUD-4.2","price":355904.94,"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_212ae0c7-e799-46d6-808d-5e43a7e54e11.jpg?v=1743684980","url":"https:\/\/hqickey.com\/de\/products\/ltc4121eud-4-2","provider":"HQICKEY","version":"1.0","type":"link"}