{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S6618-IQC50-A2","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S6618-IQC50-A2","canonicalUrl":"https://icboms.com/texas-instruments/LM3S6618-IQC50-A2","factsUrl":"https://icboms.com/api/mcp/products/LM3S6618-IQC50-A2","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris ARM Cortex-M3S 6000 series LM3S6618-IQC50-A2, 32-Bit Single-Core MCU, 50MHz, 128KB Flash, 32K x 8 RAM, Ethernet, I²C, SPI, UART, 100-LQFP, -40 to 85°C.","salesMarkdown":"The LM3S6618-IQC50-A2 is a Texas Instruments Stellaris ARM Cortex-M3S 6000 series microcontroller built around a 32-bit ARM Cortex-M3 core running at 50 MHz. The 50 MHz Cortex-M3 delivers enough throughput to run a lightweight TCP/IP stack, manage a Modbus or CANopen fieldbus bridge, and handle 8-channel 10-bit ADC conversions without a separate communications co-processor. The on-chip brown-out detect and POR supervisor eliminate the need for an external reset IC in many designs, and the PWM unit can drive a three-phase inverter or a simple LED dimmer directly. The 8-channel 10-bit ADC is adequate for reading potentiometers, current-sense resistors, or thermistor dividers — not precision instrumentation, but fine for closed-loop control thresholds. If you are designing a new board, this is not a part to spec in. The Stellaris family has been superseded by TI's Tiva C Series and other Cortex-M4F parts, though pin-compatibility is not guaranteed. ## Package and supply — what the layout needs No exposed thermal pad, so the package relies on the leadframe and board copper for heat spreading; keep the ambient airflow reasonable above 70°C.","metaTitle":"LM3S6618-IQC50-A2 Stellaris ARM Cortex-M3 MCU, 50MHz","metaDescription":"LM3S6618-IQC50-A2 Stellaris ARM Cortex-M3 MCU: 50MHz core, 128KB Flash, 32K x 8 RAM, Ethernet + serial interfaces, -40 to 85°C.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"Texas Instruments","Speed":"50MHz","Series":"Stellaris® ARM® Cortex®-M3S 6000","Package":"Tray","RAM Size":"32K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"Ethernet, I²C, IrDA, Microwire, SPI, SSI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"38","Core Processor":"ARM® Cortex®-M3","Package / Case":"100-LQFP","Product Status":"Obsolete","Data Converters":"A/D 8x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S6618","Program Memory Size":"128KB (128K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"100-LQFP (14x14)","Voltage - Supply (Vcc/Vdd)":"2.25V ~ 2.75V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$35.0088","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S6618-IQC50-A2/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for LM3S6618-IQC50-A2?","answer":"Texas Instruments has not published an official direct-replacement order code for this Stellaris variant. The Stellaris family has been superseded by TI's Tiva C Series (Cortex-M4F) parts, but pin-compatibility is not guaranteed. For an existing BOM, the safest path is to source the original LM3S6618-IQC50-A2 through independent distribution against an RFQ."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S6618-IQC50-A2","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S6618-IQC50-A2 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}