{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3502SQX-16","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3502SQX-16","canonicalUrl":"https://icboms.com/texas-instruments/LM3502SQX-16","factsUrl":"https://icboms.com/api/mcp/products/LM3502SQX-16","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LM3502SQX-16, DC-DC boost regulator, Step-Up topology, 1 MHz switching frequency, 16 V output, 400 mA switch current, PWM dimming, 16-WFQFN exposed pad package, -40°C to 85°C operating temperature.","salesMarkdown":"## Boost regulator for dual-channel LED backlight The LM3502SQX-16 is a DC-DC step-up (boost) regulator from Texas Instruments, designed specifically for backlight applications. It integrates two outputs with PWM dimming control, switching at 1 MHz to keep external inductor and capacitor values small. The regulator delivers a regulated 16 V output and can handle up to 400 mA on the internal switch, making it suitable for driving series-connected LEDs in small- to medium-size LCD panels. ## Supply rails and thermal envelope For new designs, consider the base product family LM3502 (non-SQX suffix) if still active, or evaluate a current-generation boost converter with similar 16 V, 400 mA, PWM dimming capability. No pin-compatible direct replacement is confirmed in this record.","metaTitle":"LM3502SQX-16 DC-DC Boost Regulator, 16V 400mA, Obsolete","metaDescription":"LM3502SQX-16 is an obsolete DC-DC boost regulator from TI, 1 MHz switching, 16 V output, 400 mA switch current, PWM dimming, 16-WQFN package.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["DC-DC Power Modules"],"specifications":{"Mfr":"Texas Instruments","Type":"DC DC Regulator","Series":"-","Dimming":"PWM","Package":"Tape & Reel (TR)","Topology":"Step-Up (Boost)","Frequency":"1MHz","Applications":"Backlight","Mounting Type":"Surface Mount","Package / Case":"16-WFQFN Exposed Pad","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Voltage - Output":"16V","Number of Outputs":"2","Internal Switch(s)":"Yes","Base Product Number":"LM3502","Operating Temperature":"-40°C~85°C(TA)","Voltage - Supply (Max)":"5.5V","Voltage - Supply (Min)":"2.5V","Supplier Device Package":"16-WQFN (4x4)","Current - Output / Channel":"400mA (Switch)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/a1b4525ebe7daa3a039473fa31545909.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3502SQX-16/alternatives.json"},"ai":{"faq":[{"question":"What is a direct replacement for LM3502SQX-16?","answer":"No official direct replacement or pin-compatible successor is recorded for the LM3502SQX-16. The base product number LM3502 (without the SQX suffix) may be a starting point, but its lifecycle status should be verified separately. For a new design, evaluate current-generation boost converters with 16 V output, 400 mA switch current, and PWM dimming."},{"question":"What is the LM3502SQX-16's listed type and dimming method?","answer":"The LM3502SQX-16 is a DC-DC regulator with a step-up (boost) topology. It uses PWM dimming, making it suitable for LED backlight brightness control."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3502SQX-16","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3502SQX-16 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T18:03:28.771Z","lastPublished":"2026-07-22T18:03:28.771Z","indexable":true}}