{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPS63021DSJR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPS63021DSJR","canonicalUrl":"https://icboms.com/texas-instruments/TPS63021DSJR","factsUrl":"https://icboms.com/api/mcp/products/TPS63021DSJR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TPS63021DSJR, Buck-Boost Switching Regulator, Fixed 3.3V Output, 3.5A Switch, 2.4MHz, 14-VSON (4x3) Package, -40°C to 85°C.","salesMarkdown":"The TPS63021DSJR is a buck-boost switching regulator from Texas Instruments that delivers a fixed 3.3V output from an input range spanning 1.8V to 5.5V. ## 3.5A switch current and 2.4MHz switching At 3.3V output, expect around 2A continuous from a 3.7V Li-ion cell, derated by efficiency and input voltage. The 2.4MHz switching frequency lets you use a small inductor (typically 1 µH to 2.2 µH) and low-ESR ceramic capacitors, keeping the total solution footprint compact.","metaTitle":"TPS63021DSJR Buck-Boost Regulator, 3.3V Fixed, 3.5A Switch","metaDescription":"Texas Instruments TPS63021DSJR step-up/step-down regulator. Fixed 3.3V output, 3.5A switch, 2.4MHz switching frequency. 14-VSON package.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["DC-DC Power Modules"],"specifications":{"Mfr":"Texas Instruments","Series":"-","Package":"Tape & Reel (TR); Cut Tape (CT)","Function":"Step-Up/Step-Down","Topology":"Buck-Boost","Output Type":"Fixed","Mounting Type":"Surface Mount","Package / Case":"14-VFDFN Exposed Pad","Product Status":"Active","lifecycle_stage":"eol_hot","Current - Output":"3.5A (Switch)","Number of Outputs":"1","Base Product Number":"TPS63021","Output Configuration":"Positive","Frequency - Switching":"2.4MHz","Operating Temperature":"-40°C~85°C(TA)","Synchronous Rectifier":"Yes","Voltage - Input (Max)":"5.5V","Voltage - Input (Min)":"1.8V","Voltage - Output (Max)":"-","Supplier Device Package":"14-VSON (4x3)","Voltage - Output (Min/Fixed)":"3.3V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.1100","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/fb73a7656f2df3001910573b4c226052.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TPS63021DSJR/alternatives.json"},"ai":{"faq":[{"question":"What is the switching frequency of TPS63021DSJR?","answer":"The switching frequency is 2.4 MHz, allowing small inductor and capacitor values for a compact power stage."},{"question":"What package does TPS63021DSJR come in?","answer":"It is supplied in a 14-VSON package (4 mm x 3 mm) with exposed pad, on Tape & Reel or Cut Tape. The supplier device package is 14-VSON (4x3)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPS63021DSJR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPS63021DSJR 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}}