{"product_id":"stm32l021g4u6","title":"STM32L021G4U6","description":"\u003cp\u003eThe STM32L021G4U6 from STMicroelectronics is an ultra-low-power 32-bit MCU based on the ARM Cortex-M0+ core. It operates at up to 32MHz with 16KB flash and 2KB RAM, supporting a wide voltage range from 1.65V to 3.6V. Housed in a compact 28-UFQFN package, it includes essential peripherals like DMA, PWM, and brown-out detection, making it ideal for space-constrained, battery-powered applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUltra-low power consumption: The 1.65V operation and Cortex-M0+ core minimize energy draw, extending battery life in portable devices.\u003c\/li\u003e\n\u003cli\u003eCompact footprint: The 28-UFQFN package saves PCB space, enabling miniaturized product designs.\u003c\/li\u003e\n\u003cli\u003eIntegrated peripherals: DMA and PWM reduce CPU load, improving real-time performance in control applications.\u003c\/li\u003e\n\u003cli\u003eReliable operation: Brown-out detect and watchdog timer ensure stable performance under voltage fluctuations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBattery-Powered IoT Sensors\u003c\/h3\u003e\u003cp\u003eThe 1.65V minimum supply voltage allows direct operation from a single alkaline cell, extending battery life in wireless sensor nodes.\u003c\/p\u003e\u003ch3\u003ePortable Medical Devices\u003c\/h3\u003e\u003cp\u003eThe low-power ARM Cortex-M0+ core at 32MHz provides sufficient processing for glucose meters or pulse oximeters while maintaining long battery life.\u003c\/p\u003e\u003ch3\u003eWearable Fitness Trackers\u003c\/h3\u003e\u003cp\u003eThe compact 28-UFQFN package and low-voltage operation enable slim, lightweight designs for step counters and heart-rate monitors.\u003c\/p\u003e\u003ch3\u003eIndustrial Control Modules\u003c\/h3\u003e\u003cp\u003eWith DMA and PWM peripherals, this MCU can handle motor control or actuator timing in compact industrial equipment.\u003c\/p\u003e\u003ch3\u003eSmart Home Controllers\u003c\/h3\u003e\u003cp\u003eThe brown-out detect and watchdog timer ensure reliable operation in thermostats or lighting control units, even with unstable power supplies.\u003c\/p\u003e\u003ch3\u003eConsumer Electronics\u003c\/h3\u003e\u003cp\u003eIts small footprint and low power make it suitable for TV remote controls, smart locks, and small appliances.\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\u003eSTM32L0\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackaging\u003c\/td\u003e \t\u003ctd\u003eTray | NULL\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eCore Processor\u003c\/td\u003e \t\u003ctd\u003eARM® Cortex®-M0+\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\u003e32MHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eConnectivity\u003c\/td\u003e \t\u003ctd\u003eI2C, IrDA, SPI, UART\/USART\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePeripherals\u003c\/td\u003e \t\u003ctd\u003eBrown-out Detect\/Reset, DMA, POR, PWM, WDT\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eNumber of I\/O\u003c\/td\u003e \t\u003ctd\u003e24\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eProgram Memory Size\u003c\/td\u003e \t\u003ctd\u003e16KB (16K 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\u003e512 x 8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eRAM Size\u003c\/td\u003e \t\u003ctd\u003e2K x 8\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eVoltage - Supply (Vcc\/Vdd)\u003c\/td\u003e \t\u003ctd\u003e1.65V ~ 3.6V\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003eData Converters\u003c\/td\u003e \t\u003ctd\u003eA\/D 10x12b\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 ~ 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 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\u003e28-UFQFPN (4x4)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \t\u003ctd\u003ePackage \/ Case\u003c\/td\u003e \t\u003ctd\u003e28-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 operating voltage range of the STM32L021G4U6?\u003c\/dt\u003e\n\u003cdd\u003eA: It operates from 1.65V to 3.6V, ideal for battery-powered devices.\u003c\/dd\u003e\n\u003cdt\u003eQ: What core does this MCU use?\u003c\/dt\u003e\n\u003cdd\u003eA: It uses the ARM Cortex-M0+ core running at up to 32MHz.\u003c\/dd\u003e\n\u003cdt\u003eQ: How much flash and RAM does it have?\u003c\/dt\u003e\n\u003cdd\u003eA: It has 16KB flash and 2KB RAM.\u003c\/dd\u003e\n\u003cdt\u003eQ: What package is available?\u003c\/dt\u003e\n\u003cdd\u003eA: It comes in a 28-UFQFN package.\u003c\/dd\u003e\n\u003cdt\u003eQ: Does it support low-power modes?\u003c\/dt\u003e\n\u003cdd\u003eA: Yes, it includes POR, PWM, DMA, and brown-out detect for efficient operation.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"STMicroelectronics","offers":[{"title":"Default Title","offer_id":50885392498977,"sku":"STM32L021G4U6","price":3.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/9756\/3425\/files\/IC_MCU_497_A0B0_MB_U_28_b1b9a9bd-6e33-47d0-b1de-434aa422a834.jpg?v=1739282766","url":"https:\/\/hqickey.com\/products\/stm32l021g4u6","provider":"HQICKEY","version":"1.0","type":"link"}