{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MSP430F67791AIPEU","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"MSP430F67791AIPEU","canonicalUrl":"https://icboms.com/texas-instruments/MSP430F67791AIPEU","factsUrl":"https://icboms.com/api/mcp/products/MSP430F67791AIPEU","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments MSP430F67791AIPEU, MSP430F6xx series, 16-bit 25MHz MCU, 512KB FLASH / 32KB RAM, 7x24b sigma-delta + 8x10b ADC, I2C/SPI/UART/LINbus, 90 I/O, 1.8-3.6V, 128-LQFP (20x14mm), -40°C to 85°C.","salesMarkdown":"## Energy-measurement MCU with seven 24-bit sigma-delta converters The MSP430F67791AIPEU: Its defining feature is the array of seven 24-bit sigma-delta ADCs, purpose-designed for polyphase energy metering, power-quality monitoring, and precision sensor conditioning. An internal oscillator keeps the BOM lean for metrology applications where an external crystal is optional. ## Seven 24-bit sigma-delta ADCs — the metrology engine The seven 24-bit sigma-delta converters are the reason this part exists. They enable simultaneous sampling of voltage and current on up to three phases plus neutral in a polyphase energy meter, delivering the harmonic content and phase information needed for active/reactive/apparent power calculations. The 24-bit resolution provides the dynamic range to measure both idle current and full-load draw without range switching. The 8x10-bit auxiliary ADC handles housekeeping tasks like temperature sensing or DC rail monitoring. The 128-LQFP package (20x14 mm body) with 0.5 mm pitch is a standard footprint for mid-density MCUs; the exposed pad helps thermal dissipation when the sigma-delta converters and CPU run continuously.","metaTitle":"Texas Instruments MSP430F67791AIPEU 16-bit MCU, 25MHz","metaDescription":"TI MSP430F67791AIPEU 16-bit MCU with 25MHz CPUXV2 core, 512KB Flash, 32KB RAM, 7x24-bit sigma-delta ADCs, 90 I/O, 1.8-3.6V, 128-LQFP, -40°C to 85°C.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"25MHz","title":"MSP430F67791AIPEU","Series":"MSP430F6xx","Package":"Tray","RAM Size":"32K x 8","Core Size":"16-Bit","Peripherals":"Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT, 7x24b Sigma Delta Converter","Connectivity":"I²C, IrDA, LINbus, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"90","Core Processor":"MSP430 CPUXV2","Package / Case":"128-LQFP","Data Converters":"A/D 8x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"MSP430F67791","Program Memory Size":"512KB (512K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"128-LQFP (20x14)","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$16.5800","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/94013ff2fb2ad301a731e282d067c425.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Does the MSP430F67791AIPEU support hardware LINbus framing, or must it be handled in software over UART?","answer":"The part lists LINbus as a hardware connectivity option alongside UART/USART, meaning the LIN protocol framing is handled on-chip — no bit-banging in firmware required. Standard RS-485 physical layer still requires external transceiver hardware."},{"question":"The 90 I/O — does enabling the 8 ADC channels reduce available GPIOs?","answer":"The 8 ADC channels share pins with the general-purpose port. When the pin-mux routes a shared pin to the ADC function, it is consumed by the analog block. The firmware pin configuration determines which pins are GPIO and which are analog at any given time."},{"question":"What is the realistic lead time and traceability position for this part?","answer":"With an eol_hot lifecycle, distributor stock is limited and channel inventory carries elevated counterfeit exposure. For 100-unit replenishment, traceability documentation — date code, certificate of conformance, or FAE attestation — should be a non-negotiable gate before production assembly enters the BOM."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/MSP430F67791AIPEU","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/MSP430F67791AIPEU 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}}