{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BD18353MUF-ME2","brand":"ROHM Semiconductor","brandSlug":"rohm","productSlug":"BD18353MUF-ME2","canonicalUrl":"https://icboms.com/rohm/BD18353MUF-ME2","factsUrl":"https://icboms.com/api/mcp/products/BD18353MUF-ME2","rawCanonicalId":null},"summary":{"shortDescription":"ROHM Semiconductor BD18353MUF-ME2 DC DC Controller, Step-Up (Boost) LED Driver, PWM Dimming, 65V Output, 200kHz-2.5MHz, VQFN20QV3535, Automotive.","salesMarkdown":"## Boost controller for automotive LED strings The BD18353MUF-ME2 is a DC DC controller configured as a step-up (boost) LED driver, designed to drive external N-channel MOSFETs for high-current LED strings in automotive lighting systems. PWM dimming input allows brightness control directly from the body controller or a local MCU PWM timer, without an external DAC. ## Switching frequency and inductor selection The oscillator runs from 200 kHz to 2.5 MHz, letting the designer trade inductor size against switching losses — a 400 kHz design uses a larger inductor but keeps FET gate-drive losses low; 2 MHz shrinks the magnetics but demands a faster external MOSFET and careful layout. Because the controller lacks an integrated switch, the external FET and inductor are sized to the actual LED current, not limited by a die-attach bond wire. ## Temperature grade and automotive qualification The VQFN20QV3535 package includes a wettable flank for automated optical inspection (AOI) of solder joints, a requirement for zero-defect automotive assembly lines. ROHS3 compliant per — no exemptions for lead or phthalates, which simplifies compliance declarations for Tier-1 automotive suppliers.","metaTitle":"ROHM BD18353MUF-ME2 DC DC Controller, Boost LED Driver, 65V","metaDescription":"ROHM BD18353MUF-ME2 automotive boost LED driver controller, 65V output, PWM dimming, 200kHz-2.5MHz, -40 to 125°C, VQFN20. Active production. Request quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Type":"DC DC Controller","Dimming":"PWM","Package":"Tape & Reel (TR); Cut Tape (CT)","Topology":"Step-Up (Boost)","Frequency":"200kHz ~ 2.5MHz","Applications":"Automotive","Mounting Type":"Surface Mount, Wettable Flank","Package / Case":"20-VFQFN Exposed Pad","lifecycle_stage":"eol_hot","Voltage - Output":"65V","Number of Outputs":"1","Internal Switch(s)":"No","Operating Temperature":"-40°C ~ 125°C (TA)","Voltage - Supply (Max)":"65V","Voltage - Supply (Min)":"5V","Supplier Device Package":"VQFN20QV3535"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.78","priceTiers":[{"qty":1,"price":"$3.78000","currency":"USD"},{"qty":10,"price":"$3.39100","currency":"USD"},{"qty":25,"price":"$3.20560","currency":"USD"},{"qty":100,"price":"$2.77800","currency":"USD"},{"qty":250,"price":"$2.63560","currency":"USD"},{"qty":500,"price":"$2.36490","currency":"USD"},{"qty":1000,"price":"$2.01600","currency":"USD"},{"qty":2500,"price":"$2.01600","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/8b63e277f2e5f2c25a4914f67b50ea0d.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/BD18353MUF-ME2/alternatives.json"},"ai":{"faq":[{"question":"What is BD18353MUF-ME2's listed type and dimming method?","answer":"The BD18353MUF-ME2 is listed as a DC DC Controller with a Step-Up (Boost) topology, and it uses PWM dimming for LED brightness control."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/rohm/BD18353MUF-ME2","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/rohm/BD18353MUF-ME2 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}