{"product_id":"stm8s903f3u3tr","title":"STM8S903F3U3TR","description":"\u003cp\u003eThe STM8S903F3U3TR from STMicroelectronics is a robust 8-bit MCU featuring the STM8 core at 16MHz. It provides 8KB flash and 1KB RAM, operating from 2.95V to 5.5V. Housed in a 20-UFQFN package, it includes PWM, WDT, and brown-out detection, making it ideal for automotive and industrial applications requiring extended temperature ranges up to 125°C.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExtended temperature range (-40°C to 125°C): Enables use in engine compartments and industrial ovens.\u003c\/li\u003e\n\u003cli\u003eWide supply voltage (2.95-5.5V): Directly interfaces with 5V sensors and actuators.\u003c\/li\u003e\n\u003cli\u003eCompact 20-UFQFN: Saves board space in dense designs.\u003c\/li\u003e\n\u003cli\u003eIntegrated PWM and WDT: Reduces external component count for motor control.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAutomotive Lighting Control\u003c\/h3\u003e\u003cp\u003eWith 125°C rating and 5.5V operation, it directly drives LED arrays in engine bays or headlamp modules.\u003c\/p\u003e\u003ch3\u003eIndustrial Actuators\u003c\/h3\u003e\u003cp\u003e16MHz STM8 core with 1KB RAM handles valve position control with PWM-driven stepper motors.\u003c\/p\u003e\u003ch3\u003ePower Tools\u003c\/h3\u003e\u003cp\u003eWide voltage range (2.95-5.5V) tolerates battery voltage sag during high-load operation.\u003c\/p\u003e\u003ch3\u003eHVAC Zone Controllers\u003c\/h3\u003e\u003cp\u003eRobust WDT and brown-out detection ensure fail-safe operation in building management systems.\u003c\/p\u003e\u003ch3\u003eWhite Goods\u003c\/h3\u003e\u003cp\u003eCost-effective 8-bit solution for washing machine drum speed control with 8KB flash for complex routines.\u003c\/p\u003e\u003ch3\u003eE-bike Controllers\u003c\/h3\u003e\u003cp\u003eHigh-temperature tolerance and PWM outputs suit motor drive stages in e-bike hubs.\u003c\/p\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\u003eSTMicroelectronics\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProduct Series\u003c\/td\u003e \t\u003ctd\u003eSTM8S\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackaging\u003c\/td\u003e \t\u003ctd\u003eTape \u0026amp; Reel (TR) | NULL\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eCore Processor\u003c\/td\u003e \t\u003ctd\u003eSTM8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eCore Size\u003c\/td\u003e \t\u003ctd\u003e8-Bit\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSpeed\u003c\/td\u003e \t\u003ctd\u003e16MHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eConnectivity\u003c\/td\u003e \t\u003ctd\u003eI2C, IrDA, LINbus, SPI, UART\/USART\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePeripherals\u003c\/td\u003e \t\u003ctd\u003eBrown-out Detect\/Reset, POR, PWM, WDT\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eNumber of I\/O\u003c\/td\u003e \t\u003ctd\u003e16\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProgram Memory Size\u003c\/td\u003e \t\u003ctd\u003e8KB (8K x 8)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProgram Memory Type\u003c\/td\u003e \t\u003ctd\u003eFLASH\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eEEPROM Size\u003c\/td\u003e \t\u003ctd\u003e640 x 8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eRAM Size\u003c\/td\u003e \t\u003ctd\u003e1K x 8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply (Vcc\/Vdd)\u003c\/td\u003e \t\u003ctd\u003e2.95V ~ 5.5V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eData Converters\u003c\/td\u003e \t\u003ctd\u003eA\/D 5x10b\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOscillator Type\u003c\/td\u003e \t\u003ctd\u003eInternal\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOperating Temperature\u003c\/td\u003e \t\u003ctd\u003e-40°C ~ 125°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 AEC\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\u003eSupplier Device Package\u003c\/td\u003e \t\u003ctd\u003e20-UFQFPN (3x3)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e20-UFQFN\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=1757832376\"\u003e\u003c\/td\u003e  \u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cdl\u003e\n\u003cdt\u003eQ: What is the core architecture?\u003c\/dt\u003e\n\u003cdd\u003eA: It uses the STM8 8-bit core running at 16MHz.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the operating temperature range?\u003c\/dt\u003e\n\u003cdd\u003eA: It operates from -40°C to 125°C, suitable for harsh environments.\u003c\/dd\u003e\n\u003cdt\u003eQ: How much flash memory is available?\u003c\/dt\u003e\n\u003cdd\u003eA: It has 8KB of flash program memory.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the supply voltage?\u003c\/dt\u003e\n\u003cdd\u003eA: It requires 2.95V to 5.5V.\u003c\/dd\u003e\n\u003cdt\u003eQ: Does it have PWM and watchdog?\u003c\/dt\u003e\n\u003cdd\u003eA: Yes, it includes PWM, WDT, and brown-out reset.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"STMicroelectronics","offers":[{"title":"Default Title","offer_id":50885829132577,"sku":"STM8S903F3U3TR","price":4.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_MCU_497_A0A5_ME_V4_U_20_d76cdfe4-5c73-48c2-98b1-17cceae547e7.jpg?v=1739292893","url":"https:\/\/hqickey.com\/de\/products\/stm8s903f3u3tr","provider":"HQICKEY","version":"1.0","type":"link"}