{"product_id":"ltc4121iud-4-2","title":"LTC4121IUD-4.2","description":"\u003ch2\u003eLTC4121IUD-4.2 - High-Performance Lithium-Ion Battery Charger IC\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eLTC4121IUD-4.2\u003c\/strong\u003e from Analog Devices Inc. is a precision battery charger IC designed for single-cell lithium-ion and lithium-polymer battery applications. This advanced power management solution delivers reliable, efficient charging with programmable constant current up to 400mA, making it ideal for portable electronics, IoT devices, industrial equipment, and automotive applications.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Input Voltage Range:\u003c\/strong\u003e Operates from input voltages up to 40V, providing flexibility for various power sources\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Charging:\u003c\/strong\u003e Programmable constant current charging ensures optimal battery health and longevity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e 16-WFQFN (3x3mm) package with exposed pad for superior thermal performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Temperature Range:\u003c\/strong\u003e Operates reliably from -40°C to 125°C (TJ) for demanding environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface Mount Technology:\u003c\/strong\u003e Easy integration into modern PCB designs\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\u003e | \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\u003eApplications\u003c\/h3\u003e\u003cp\u003eThe LTC4121IUD-4.2 is perfectly suited for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePortable medical devices and health monitoring equipment\u003c\/li\u003e\n\u003cli\u003eIndustrial sensors and data loggers\u003c\/li\u003e\n\u003cli\u003eWireless communication modules\u003c\/li\u003e\n\u003cli\u003eBattery-powered IoT edge devices\u003c\/li\u003e\n\u003cli\u003eAutomotive auxiliary power systems\u003c\/li\u003e\n\u003cli\u003eConsumer electronics requiring reliable battery management\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose HQICKEY?\u003c\/h3\u003e\u003cp\u003eAt HQICKEY, we specialize in providing authentic, high-quality semiconductor components with guaranteed lifecycle support. Every LTC4121IUD-4.2 unit is sourced directly from authorized distributors, ensuring you receive genuine Analog Devices products with full traceability and warranty protection.\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 - 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 News - Industry Insights \u0026amp; Technical Updates\"\u003etechnical blog\u003c\/a\u003e for the latest industry insights, application notes, and product updates.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOrder your LTC4121IUD-4.2 today and experience reliable, professional-grade battery charging solutions backed by HQICKEY's commitment to quality and customer service.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Analog Devices Inc.","offers":[{"title":"Default Title","offer_id":51117907771681,"sku":"LTC4121IUD-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_594f9314-6706-4387-91ba-f19c5913a0e5.jpg?v=1743684987","url":"https:\/\/hqickey.com\/de\/products\/ltc4121iud-4-2","provider":"HQICKEY","version":"1.0","type":"link"}