{"product_id":"ltc4121eud-4-2-trpbf","title":"LTC4121EUD-4.2#TRPBF","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eLTC4121EUD-4.2#TRPBF\u003c\/strong\u003e from Analog Devices is a high-performance lithium-ion\/polymer battery charger IC designed for embedded and industrial applications. This surface-mount device delivers reliable constant-current charging 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\u003eConstant programmable charging current up to 400mA\u003c\/li\u003e\n\u003cli\u003eWide input voltage range: up to 40V supply maximum\u003c\/li\u003e\n\u003cli\u003eOptimized for single-cell Li-Ion\/Polymer batteries (4.2V)\u003c\/li\u003e\n\u003cli\u003eCompact 16-QFN (3x3mm) surface mount package\u003c\/li\u003e\n\u003cli\u003eExtended operating temperature: -40°C to 125°C (TJ)\u003c\/li\u003e\n\u003cli\u003eRoHS compliant for environmental safety\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003ePerfect for battery management in wireless sensors, handheld instruments, medical devices, and industrial control systems where space and efficiency are critical.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\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\u003eTape \u0026amp; Reel (TR) |\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\u003ctr\u003e\n\u003ctd\u003eROHS\u003c\/td\u003e\n\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\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose HQICKEY?\u003c\/h3\u003e\u003cp\u003eAt HQICKEY, we specialize in authentic semiconductor components with full lifecycle support. Every product is sourced directly from authorized distributors, ensuring genuine quality and reliability for your critical designs.\u003c\/p\u003e\u003ch3\u003eRelated Resources\u003c\/h3\u003e\u003cp\u003eExplore more power management solutions:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/hqickey.com\/collections\/battery-chargers\" title=\"Battery Chargers Collection\"\u003eBattery Chargers\u003c\/a\u003e - Browse our complete selection of battery charging ICs\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/hqickey.com\/\" title=\"HQICKEY Home\"\u003eHQICKEY\u003c\/a\u003e - Discover premium semiconductors for embedded and industrial markets\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/hqickey.com\/blogs\/news\" title=\"Technical Blog\"\u003eTechnical Blog\u003c\/a\u003e - Read application notes and design guides\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Analog Devices Inc.","offers":[{"title":"Default Title","offer_id":51117811269921,"sku":"LTC4121EUD-4.2#TRPBF","price":13.97,"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_78eb9a22-0f99-4cd7-a08f-48720180432d.jpg?v=1743683280","url":"https:\/\/hqickey.com\/de\/products\/ltc4121eud-4-2-trpbf","provider":"HQICKEY","version":"1.0","type":"link"}