{"product_id":"stm32l471qei3tr","title":"STM32L471QEI3TR","description":"\u003cp\u003eThe STM32L471QEI3TR is an ultra-low-power ARM Cortex-M4 MCU from STMicroelectronics, running at 80MHz with FPU. It provides 512KB flash and 128KB RAM, operating from 1.71V to 3.6V. The 132-UFBGA package is ideal for space-constrained designs. Integrated brown-out detection, DMA, PWM, and WDT ensure robust operation from -40°C to 125°C, making it suitable for industrial and medical applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUltra-low power with 1.71V operation – extends battery life in portable devices.\u003c\/li\u003e\n\u003cli\u003e80MHz Cortex-M4 with FPU – handles complex math and DSP efficiently.\u003c\/li\u003e\n\u003cli\u003e512KB flash \/ 128KB RAM – ample for large applications and data buffering.\u003c\/li\u003e\n\u003cli\u003eWide temperature range (-40°C to 125°C) – reliable in harsh environments.\u003c\/li\u003e\n\u003cli\u003eCompact 132-UFBGA – saves PCB area for miniaturized products.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIoT Edge Nodes\u003c\/h3\u003e\u003cp\u003eThe 80MHz Cortex-M4 with FPU accelerates sensor fusion and encryption, while 512KB flash stores firmware and local analytics.\u003c\/p\u003e\u003ch3\u003eMedical Wearables\u003c\/h3\u003e\u003cp\u003eLow 1.71V operation and 125°C rating enable compact, high-reliability designs for patient monitoring.\u003c\/p\u003e\u003ch3\u003eIndustrial Sensors\u003c\/h3\u003e\u003cp\u003eDMA and PWM support precise data acquisition and actuator control in 4-20mA loop-powered transmitters.\u003c\/p\u003e\u003ch3\u003eSmart Meters\u003c\/h3\u003e\u003cp\u003e128KB RAM buffers large data logs, and brown-out reset ensures metering integrity during power dips.\u003c\/p\u003e\u003ch3\u003ePortable Instrumentation\u003c\/h3\u003e\u003cp\u003eThe 132-UFBGA package minimizes board space, while the FPU handles real-time DSP for signal analysis.\u003c\/p\u003e\u003ch3\u003eBuilding Automation\u003c\/h3\u003e\u003cp\u003eMultiple timers and PWM channels drive lighting and HVAC actuators with low power consumption.\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\u003eSTM32L4\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\u003eARM® Cortex®-M4\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eCore Size\u003c\/td\u003e \t\u003ctd\u003e32-Bit Single-Core\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eSpeed\u003c\/td\u003e \t\u003ctd\u003e80MHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eConnectivity\u003c\/td\u003e \t\u003ctd\u003eCANbus, EBI\/EMI, I2C, IrDA, LINbus, MMC\/SD, QSPI, SAI, SPI, SWPMI, UART\/USART\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePeripherals\u003c\/td\u003e \t\u003ctd\u003eBrown-out Detect\/Reset, DMA, PWM, WDT\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eNumber of I\/O\u003c\/td\u003e \t\u003ctd\u003e109\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProgram Memory Size\u003c\/td\u003e \t\u003ctd\u003e512KB (512K 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\u003e-\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eRAM Size\u003c\/td\u003e \t\u003ctd\u003e128K x 8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply (Vcc\/Vdd)\u003c\/td\u003e \t\u003ctd\u003e1.71V ~ 3.6V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eData Converters\u003c\/td\u003e \t\u003ctd\u003eA\/D 19x12b SAR; D\/A 2x12b\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eOscillator Type\u003c\/td\u003e \t\u003ctd\u003eExternal, Internal\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\u003e132-UFBGA (7x7)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e132-UFBGA\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 maximum clock speed?\u003c\/dt\u003e\n\u003cdd\u003eA: 80MHz using the ARM Cortex-M4 core with FPU.\u003c\/dd\u003e\n\u003cdt\u003eQ: What is the supply voltage range?\u003c\/dt\u003e\n\u003cdd\u003eA: 1.71V to 3.6V, supporting battery-powered designs.\u003c\/dd\u003e\n\u003cdt\u003eQ: How much flash and RAM are available?\u003c\/dt\u003e\n\u003cdd\u003eA: 512KB flash and 128KB RAM.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is this variant?\u003c\/dt\u003e\n\u003cdd\u003eA: 132-UFBGA, suitable for compact PCBs.\u003c\/dd\u003e\n\u003cdt\u003eQ: Does it support low-power modes?\u003c\/dt\u003e\n\u003cdd\u003eA: Yes, with multiple low-power modes and brown-out detection.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"STMicroelectronics","offers":[{"title":"Default Title","offer_id":50888840970529,"sku":"STM32L471QEI3TR","price":22.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_MCU_497_UFBGA132_A0G8_ME_I_132_99a48899-d44f-4df5-b931-6cb16991211b.jpg?v=1739355001","url":"https:\/\/hqickey.com\/de\/products\/stm32l471qei3tr","provider":"HQICKEY","version":"1.0","type":"link"}