{"product_id":"rt9490wsc","title":"RT9490WSC","description":"\u003ch2\u003eRT9490WSC - Advanced Battery Management IC\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eRT9490WSC\u003c\/strong\u003e from Richtek USA Inc. is a high-performance battery management integrated circuit designed for demanding lithium-ion and lithium-polymer battery charging applications. This versatile IC supports 1 to 4 cell configurations and delivers up to 5A of programmable constant charging current, making it ideal for power-hungry portable devices, power tools, and industrial equipment.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Current Capability:\u003c\/strong\u003e Supports up to 5A charging current for fast and efficient battery charging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Cell Configuration:\u003c\/strong\u003e Compatible with 1-4 cell Li-Ion\/Polymer battery packs up to 18.8V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntelligent Control:\u003c\/strong\u003e I2C interface enables precise programming of current, voltage, and timer settings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Protection:\u003c\/strong\u003e Built-in safeguards against overcurrent, over\/under voltage, over temperature, and short circuit conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Range:\u003c\/strong\u003e Functions reliably from -40°C to 85°C with supply voltage up to 24V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Design:\u003c\/strong\u003e 56-WLCSP surface mount package (2.93x3.46mm) saves valuable PCB space\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\u003eRichtek USA 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\u003eCut Tape (CT) | Tape \u0026amp; Reel (TR)\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\u003e1 ~ 4\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, Over-Under Voltage, Short Circuit\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eCharge Current - Max\u003c\/td\u003e \t\u003ctd\u003e5A\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eBattery Pack Voltage\u003c\/td\u003e \t\u003ctd\u003e18.8V (Max)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply (Max)\u003c\/td\u003e \t\u003ctd\u003e24V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eInterface\u003c\/td\u003e \t\u003ctd\u003eI2C\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\u003e56-UFBGA, WLCSP\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e56-WLCSP (2.93x3.46)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e   \u003ctd\u003eROHS\u003c\/td\u003e   \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  \u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThe RT9490WSC is perfectly suited for a wide range of battery-powered applications including portable medical devices, industrial handheld equipment, power banks, electric tools, and multi-cell battery pack systems requiring reliable and efficient charging solutions.\u003c\/p\u003e\u003ch3\u003eQuality \u0026amp; Compliance\u003c\/h3\u003e\u003cp\u003eThis product is RoHS compliant, ensuring it meets international environmental standards. Available in both Cut Tape (CT) and Tape \u0026amp; Reel (TR) packaging options to accommodate various production requirements.\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 and Power Management ICs\"\u003ebattery chargers and power management ICs\u003c\/a\u003e to find the perfect component for your application.\u003c\/p\u003e\u003cp\u003eVisit our \u003ca href=\"https:\/\/hqickey.com\/\" title=\"HQICKEY - Electronic Components Supplier\"\u003ehomepage\u003c\/a\u003e to discover our full catalog of electronic components and semiconductor solutions.\u003c\/p\u003e\u003cp\u003eStay updated with the latest industry insights, product releases, and technical articles on our \u003ca href=\"https:\/\/hqickey.com\/blogs\/news\" title=\"HQICKEY News and Technical Blog\"\u003enews and technical blog\u003c\/a\u003e.\u003c\/p\u003e","brand":"Richtek USA Inc.","offers":[{"title":"Default Title","offer_id":51117529170209,"sku":"RT9490WSC","price":24.27,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_BC_MFG_RT9490WSC_a50a9248-c4cf-4c75-ac74-0dfea9591040.jpg?v=1743678576","url":"https:\/\/hqickey.com\/products\/rt9490wsc","provider":"HQICKEY","version":"1.0","type":"link"}