{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPS63021DSJT","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPS63021DSJT","canonicalUrl":"https://icboms.com/texas-instruments/TPS63021DSJT","factsUrl":"https://icboms.com/api/mcp/products/TPS63021DSJT","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TPS63021DSJT, buck-boost switching regulator, fixed 3.3 V output, 3.5 A switch current, 2.4 MHz switching frequency, 14-VSON (4x3) package, surface-mount, active production.","salesMarkdown":"## Buck-boost at 2.4 MHz — inductor size and loop stability ## 3.5 A switch current — what it buys the load budget The internal switch current limit is 3.5 A, which means the converter can source roughly 2 A continuous at 3.3 V from a 3.7 V Li-ion cell before hitting the limit — enough for a WiFi module plus a small sensor cluster. ## Package and footprint — 14-VSON exposed pad The 14-VFDFN exposed pad (4x3 mm) package is a 0.50 mm pitch QFN-style land pattern.","metaTitle":"TPS63021DSJT Buck-Boost Regulator 3.3V 3.5A 14-VSON","metaDescription":"Texas Instruments TPS63021DSJT — buck-boost DC-DC, fixed 3.3V output, 3.5A switch, 2.4MHz switching, active production, 14-VSON package.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","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":"$3.7400","priceTiers":[{"qty":1,"price":"$3.74000","currency":"USD"},{"qty":10,"price":"$3.35500","currency":"USD"},{"qty":25,"price":"$3.17200","currency":"USD"},{"qty":100,"price":"$2.74910","currency":"USD"},{"qty":250,"price":"$2.60812","currency":"USD"},{"qty":500,"price":"$2.34026","currency":"USD"},{"qty":1250,"price":"$1.99500","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/fb73a7656f2df3001910573b4c226052.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TPS63021DSJT/alternatives.json"},"ai":{"faq":[{"question":"Is TPS63021DSJT RoHS compliant?","answer":"Yes, it is rated ROHS3 Compliant."},{"question":"What is the closest functional alternative to TPS63021DSJT?","answer":"The LM53625LQURNLRQ1 is a buck-only (step-down) part with a 2.5 A output and AEC-Q100 automotive qualification — it cannot boost, so it only covers the input-above-output case. The TPS63021DSJT's buck-boost topology is the differentiator: it regulates 3.3 V when the input dips below 3.3 V, which the LM53625 cannot do."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPS63021DSJT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPS63021DSJT 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}}