{"product_id":"lp3946ld","title":"LP3946LD","description":"\u003ch2\u003eLP3946LD - Advanced 4-Cell Battery Charger IC\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eLP3946LD\u003c\/strong\u003e from National Semiconductor is a high-performance battery charging power management integrated circuit designed for 4-cell lithium-ion and lithium-polymer battery applications. This advanced IC delivers programmable constant current charging up to 950mA with comprehensive fault protection, making it ideal for industrial and consumer electronics requiring reliable battery management.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgrammable Charging:\u003c\/strong\u003e Flexible current, timer, and voltage programming for optimized battery performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Cell Support:\u003c\/strong\u003e Designed specifically for 4-cell Li-Ion\/Polymer battery packs with 4.1V and 4.2V configurations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Protection:\u003c\/strong\u003e Built-in over-current and over-temperature fault protection ensures safe operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Range:\u003c\/strong\u003e Industrial-grade temperature range from -40°C to 85°C (TA)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Package:\u003c\/strong\u003e Space-saving 14-WSON (4x4mm) surface mount package with exposed pad for enhanced thermal performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Efficiency:\u003c\/strong\u003e Maximum charge current of 950mA with supply voltage up to 6V\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\u003e\u003cstrong\u003eProduct attributes\u003c\/strong\u003e\u003c\/td\u003e\t\u003ctd\u003e\u003cstrong\u003eProperty Value\u003c\/strong\u003e\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e\t\u003ctd\u003eManufacturer\u003c\/td\u003e\t\u003ctd\u003eNational Semiconductor\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e\t\u003ctd\u003eProduct Series\u003c\/td\u003e\t\u003ctd\u003eLP3946\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e\t\u003ctd\u003ePackaging\u003c\/td\u003e\t\u003ctd\u003eBulk | \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\u003e4\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\u003eCurrent, Timer, Voltage\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e\t\u003ctd\u003eFault Protection\u003c\/td\u003e\t\u003ctd\u003eOver Current, Over Temperature\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e\t\u003ctd\u003eCharge Current - Max\u003c\/td\u003e\t\u003ctd\u003e950mA\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e\t\u003ctd\u003eBattery Pack Voltage\u003c\/td\u003e\t\u003ctd\u003e4.1V, 4.2V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e\t\u003ctd\u003eVoltage - Supply (Max)\u003c\/td\u003e\t\u003ctd\u003e6V\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 ~ 85°C (TA)\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\u003e14-WFDFN Exposed Pad\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e\t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e\t\u003ctd\u003e14-WSON (4x4)\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThe LP3946LD is perfectly suited for portable electronics, industrial equipment, medical devices, and consumer products requiring efficient multi-cell battery charging. Its programmable features allow designers to optimize charging profiles for specific battery chemistries and application requirements, while the robust protection circuitry ensures long-term reliability and safety.\u003c\/p\u003e\u003ch3\u003eWhy Choose LP3946LD?\u003c\/h3\u003e\u003cp\u003eThis battery management IC combines National Semiconductor's proven power management expertise with modern programmability and protection features. The compact 14-WSON package saves valuable PCB space while the exposed pad design ensures excellent thermal dissipation for sustained high-current charging operations.\u003c\/p\u003e\u003chr\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 - Power Management ICs\"\u003eBattery Chargers\u003c\/a\u003e for various cell configurations and chemistries.\u003c\/p\u003e\u003cp\u003eVisit our \u003ca href=\"https:\/\/hqickey.com\/\" title=\"HQICKEY - Electronic Components \u0026amp; Semiconductors\"\u003ehomepage\u003c\/a\u003e to discover our full catalog of electronic components and semiconductors for industrial and consumer applications.\u003c\/p\u003e\u003cp\u003eStay updated with the latest industry insights, technical articles, and product announcements on our \u003ca href=\"https:\/\/hqickey.com\/blogs\/news\" title=\"HQICKEY News \u0026amp; Technical Blog\"\u003eNews \u0026amp; Technical Blog\u003c\/a\u003e.\u003c\/p\u003e","brand":"National Semiconductor","offers":[{"title":"Default Title","offer_id":51117536543009,"sku":"LP3946LD","price":3.15,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_BC_MFG_DS1344D-33_df121cf3-dbfb-4af4-827b-f322f03228a8.jpg?v=1743678876","url":"https:\/\/hqickey.com\/products\/lp3946ld","provider":"HQICKEY","version":"1.0","type":"link"}