{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM49270SQE/NOPB","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM49270SQE-NOPB","canonicalUrl":"https://icboms.com/texas-instruments/LM49270SQE-NOPB","factsUrl":"https://icboms.com/api/mcp/products/LM49270SQE%2FNOPB","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Boomer® series, Class D audio amplifier, 2-Channel (Stereo) with Stereo Headphones, 2.4V ~ 5.5V supply, -40°C ~ 85°C, Surface Mount 28-WFQFN Exposed Pad, 28-WQFN (5x5).","salesMarkdown":"## Class D stereo amplifier with headphone output — what this part does The Texas Instruments LM49270SQE/NOPB is a Boomer® series Class D audio amplifier delivering 2.2W per channel into 4Ω speakers and 177mW per channel into 16Ω headphones from a single 2.4V to 5.5V supply. ## Output power and load matching Rated at 2.2W x 2 into 4Ω and 177mW x 2 into 16Ω, this part is sized for small speakers (4Ω) and standard headphones (16Ω). ## Sourcing and lifecycle Listed as Active by Texas Instruments with no NRND or EOL notice. The Boomer® series is a mature audio line, so the LM49270SQE/NOPB is a stable BOM line for production builds. Sourced and quoted to order through independent distribution.","metaTitle":"LM49270SQE/NOPB Class D Audio Amplifier, 2.2W x 2 @ 4Ω","metaDescription":"TI LM49270SQE/NOPB Boomer® Class D audio amp: 2.2W x 2 @ 4Ω, stereo speakers + headphone out, I²C volume control, 2.4V–5.5V supply, 28-WQFN. Active, ROHS3.","metaKeywords":null},"attributes":{"series":"Boomer®","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Memory (DRAM / SRAM / Flash / EEPROM)"],"specifications":{"Type":"Class D","Series":"Boomer®","Package":"Bulk","Features":"3D, Depop, I²C, Short-Circuit and Thermal Protection, Shutdown, Volume Control","Output Type":"2-Channel (Stereo) with Stereo Headphones","Mounting Type":"Surface Mount","Package / Case":"28-WFQFN Exposed Pad","lifecycle_stage":"eol_hot","Voltage - Supply":"2.4V ~ 5.5V","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"28-WQFN (5x5)","Max Output Power x Channels @ Load":"2.2W x 2 @ 4Ohm; 177mW x 2 @ 16Ohm"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.79","stockQuantity":0,"priceTiers":[{"qty":108,"price":"$2.79000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/f8e0d85004b1230807828839ecd976ab.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is the LM49270SQE/NOPB still active or obsolete?","answer":"The LM49270SQE/NOPB is listed as Active by Texas Instruments with no end-of-life notice. It remains a current-production part suitable for new designs and production BOMs."},{"question":"What is the output power of LM49270SQE/NOPB?","answer":"It delivers 2.2W per channel into 4Ω speakers and 177mW per channel into 16Ω headphones, both in stereo."},{"question":"Is LM49270SQE/NOPB compatible with 3.3V supply?","answer":"Yes, the supply range is 2.4V to 5.5V, so a 3.3V rail is well within the operating window."},{"question":"What is the closest pin-compatible alternative to LM49270SQE/NOPB?","answer":"No pin-compatible second source is listed in the Texas Instruments Boomer® family. For a functional alternative, look at other Boomer® Class D parts with I²C volume control, but verify the package (28-WQFN) and output power match your design."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM49270SQE-NOPB","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM49270SQE-NOPB 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}}