{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L051K6T6TR","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L051K6T6TR","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L051K6T6TR","factsUrl":"https://icboms.com/api/mcp/products/STM32L051K6T6TR","rawCanonicalId":null},"summary":{"shortDescription":"ST STM32L0 series 32-bit ARM Cortex-M0+ MCU, 32 MHz, 32 KB Flash, 8 KB RAM, 2 KB EEPROM, 27 I/O, 10-bit ADC, I²C/SPI/UART/IrDA, LQFP-32, -40 to 85 °C.","salesMarkdown":"The STM32L051K6T6TR is an ultra-low-power 32-bit ARM Cortex-M0+ MCU from STMicroelectronics, clocked at 32 MHz. It carries 32 KB of Flash program memory, 8 KB of RAM, and 2 KB of embedded EEPROM — enough for a moderate sensor node or control loop without external storage. Typical deployment is in battery-powered or energy-harvesting industrial and consumer gear where every microamp counts. ## 32 MHz and the power budget The 32 MHz core speed is the sweet spot for this family — fast enough to run a real-time control loop or decode a sensor protocol without burning through the battery, but not so fast that the dynamic current dominates the sleep-mode savings. If your BOM needs more throughput, the STM32L0 series offers higher-density siblings at the same pinout; if you only need a few kHz of processing, the same part can be clocked down or put into stop mode to save power.","metaTitle":"ST STM32L051K6T6TR ARM Cortex-M0+ MCU, 32 MHz, 32 KB Flash","metaDescription":"STMicroelectronics STM32L051K6T6TR ultra-low-power 32-bit MCU at 32 MHz with 32 KB Flash, 8 KB RAM, 2 KB EEPROM, 27 I/O, 10-bit ADC — LQFP-32, -40 to 85 °C. Active production, avai","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"32MHz","Series":"STM32L0","Package":"Tape & Reel (TR)","RAM Size":"8K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"2K x 8","Peripherals":"Brown-out Detect/Reset, DMA, POR, PWM, WDT","Connectivity":"I²C, IrDA, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"27","Core Processor":"ARM® Cortex®-M0+","Package / Case":"32-LQFP","Product Status":"Active","Data Converters":"A/D 10x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32L051","Program Memory Size":"32KB (32K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"32-LQFP (7x7)","Voltage - Supply (Vcc/Vdd)":"1.65V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.3298","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/4480b8ddc40b685393082b7ee2561685.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32L051K6T6TR/alternatives.json"},"ai":{"faq":[{"question":"What is STM32L051K6T6TR's listed speed?","answer":"The core runs at 32 MHz, which is the maximum clock for this Cortex-M0+ device."},{"question":"What is the closest pin-compatible alternative to STM32L051K6T6TR?","answer":"The STM32L0 series includes higher-density variants (e.g., 64 KB Flash) in the same LQFP-32 footprint. Check the STM32L051x6/x8 family for pin-compatible upgrades with more memory."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L051K6T6TR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L051K6T6TR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-11T18:12:59.411Z","lastPublished":"2026-07-11T18:12:59.411Z","indexable":true}}