{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPS61021ADSGR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPS61021ADSGR","canonicalUrl":"https://icboms.com/texas-instruments/TPS61021ADSGR","factsUrl":"https://icboms.com/api/mcp/products/TPS61021ADSGR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TPS61021ADSGR, Step-Up Boost Converter, 3A (Switch), 2MHz Switching, Adjustable Output 1.8V to 4V, 0.5V to 4.4V Input, 8-WFDFN Exposed Pad, Surface Mount.","salesMarkdown":"## 3 A switch current in a 2 mm × 2 mm WSON The Texas Instruments TPS61021ADSGR is a synchronous step-up (boost) converter that integrates a 3 A switch in an 8-WSON (2x2 mm) package. That switch current rating is the key spec — it determines how much output current you can deliver at a given input-to-output voltage step. For a 3.3 V rail from a single Li-ion cell (3.0–4.2 V), the 3 A switch supports output loads well above 1 A; from a lower input like 1.8 V, the available output current drops proportionally with the duty cycle. The 2 MHz fixed switching frequency keeps the inductor small — typically 1 µH to 2.2 µH in the 1–2 A output range — and pushes the output ripple above the 20 kHz audio band. The adjustable output range covers 1.8 V to 4 V (max), so it can generate common system rails: 1.8 V, 2.5 V, 3.3 V, or 3.6 V with a resistor divider. ## Input range and operating conditions The input voltage range runs from 0.5 V (minimum) up to 4.4 V (maximum). The 0.5 V minimum allows operation from a deeply-discharged single-cell alkaline or NiMH battery; the 4.4 V ceiling covers a Li-ion cell at full charge.","metaTitle":"TPS61021ADSGR Boost Converter, 3A Switch, 2MHz, 8-WSON","metaDescription":"TI TPS61021ADSGR step-up boost converter, 3A switch current, 2MHz switching, adjustable output 1.8V-4V, 0.5V-4.4V input, 8-WSON.","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","Topology":"Boost","Output Type":"Adjustable","Mounting Type":"Surface Mount","Package / Case":"8-WFDFN Exposed Pad","Product Status":"Active","lifecycle_stage":"eol_hot","Current - Output":"3A (Switch)","Number of Outputs":"1","Base Product Number":"TPS61021","Output Configuration":"Positive","Frequency - Switching":"2MHz","Operating Temperature":"-40°C~125°C(TJ)","Synchronous Rectifier":"Yes","Voltage - Input (Max)":"4.4V","Voltage - Input (Min)":"0.5V","Voltage - Output (Max)":"4V","Supplier Device Package":"8-WSON (2x2)","Voltage - Output (Min/Fixed)":"1.8V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.3500","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/d0d9f5a482d2d3468b4bbb59462e1a37.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TPS61021ADSGR/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPS61021ADSGR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPS61021ADSGR 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}}