{"product_id":"ltc4121eud-4-2-pbf","title":"LTC4121EUD-4.2#PBF","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eLTC4121EUD-4.2#PBF\u003c\/strong\u003e from Analog Devices is a high-performance lithium-ion\/polymer battery charger IC designed for reliable power management applications. This surface-mount device delivers 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\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMaximum charge current: 400mA with programmable constant current control\u003c\/li\u003e\n\u003cli\u003eWide input voltage range: up to 40V maximum supply voltage\u003c\/li\u003e\n\u003cli\u003eOptimized for single-cell Li-Ion\/Li-Polymer batteries (4.2V)\u003c\/li\u003e\n\u003cli\u003eCompact 16-WFQFN exposed pad package (3x3mm)\u003c\/li\u003e\n\u003cli\u003eExtended operating temperature range: -40°C to 125°C (TJ)\u003c\/li\u003e\n\u003cli\u003eSurface mount technology for easy PCB integration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003ePerfect for battery charging solutions in wearable devices, wireless sensors, portable medical equipment, handheld instruments, and energy harvesting systems. The LTC4121EUD-4.2#PBF provides efficient and safe charging for lithium-based rechargeable batteries.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\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\u003eTube | \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 \u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose HQICKEY?\u003c\/h3\u003e\u003cp\u003eAt \u003ca href=\"https:\/\/hqickey.com\/\" title=\"HQICKEY - Premium Electronic Components Distributor\"\u003eHQICKEY\u003c\/a\u003e, we supply only authentic electronic components sourced from authorized distributors. Every LTC4121EUD-4.2#PBF battery charger IC is guaranteed genuine with full traceability and quality assurance.\u003c\/p\u003e\u003ch3\u003eRelated Products \u0026amp; Resources\u003c\/h3\u003e\u003cp\u003eLooking for more battery charging solutions? Explore our complete range of \u003ca href=\"https:\/\/hqickey.com\/collections\/battery-chargers\" title=\"Battery Chargers - IC Battery Charging Solutions\"\u003eBattery Chargers\u003c\/a\u003e including linear chargers, switching chargers, and power management ICs for various battery chemistries and applications.\u003c\/p\u003e\u003cp\u003eStay updated with the latest industry insights, technical guides, and product announcements on our \u003ca href=\"https:\/\/hqickey.com\/blogs\/news\" title=\"HQICKEY News - Electronics Industry Updates \u0026amp; Technical Resources\"\u003eNews Blog\u003c\/a\u003e.\u003c\/p\u003e","brand":"Analog Devices Inc.","offers":[{"title":"Default Title","offer_id":51117495419169,"sku":"LTC4121EUD-4.2#PBF","price":31.73,"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_b5ee4eff-2562-413a-b7c9-6eb317c12b89.jpg?v=1743677381","url":"https:\/\/hqickey.com\/de\/products\/ltc4121eud-4-2-pbf","provider":"HQICKEY","version":"1.0","type":"link"}