{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MAX20021ATIA/V+","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"MAX20021ATIA-V","canonicalUrl":"https://icboms.com/analog-devices/MAX20021ATIA-V","factsUrl":"https://icboms.com/api/mcp/products/MAX20021ATIA%2FV%2B","rawCanonicalId":null},"summary":{"shortDescription":"Maxim Integrated MAX20021ATIA/V+, Automotive AEC-Q100, quad-output step-down (buck) DC-DC regulator, fixed outputs 1.25V/1.8V/2.65V/3.3V, 3V-5.5V input, 3.2MHz switching, 28-TQFN (5x5) exposed pad, -40°C to 125°C.","salesMarkdown":"## Rail assignment and thermal planning The 1A/500mA/500mA/1A output current split maps naturally to a typical automotive ECU: the 1A rails handle the main MCU core and a CAN transceiver or sensor cluster, while the 500mA rails serve auxiliary logic or analog supplies. The fixed output voltages eliminate external feedback dividers, saving board space and reducing BOM count. The 28-TQFN (5x5) exposed pad package requires a thermal via array under the paddle to keep junction temperature within the -40°C to 125°C range at full load — the 3.2MHz switching and synchronous rectification help keep dissipation manageable, but the thermal pad is the primary heat path. ## Automotive qualification and compliance The MAX20021ATIA/V+ carries AEC-Q100 qualification (series: Automotive, AEC-Q100), confirming it meets the stress and reliability requirements for automotive-grade applications including under-hood and chassis-domain power distribution. The part is ROHS3 compliant and listed as Active in production status.","metaTitle":"MAX20021ATIA/V+ Automotive Quad Buck Regulator, 3.2MHz","metaDescription":"MAX20021ATIA/V+ AEC-Q100 quad step-down buck regulator: 4 outputs (1A/500mA/500mA/1A), 3V-5.5V input, 3.2MHz switching, -40°C to 125°C. ROHS3 compliant.","metaKeywords":null},"attributes":{"series":"Automotive, AEC-Q100","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["DC-DC Power Modules"],"specifications":{"Series":"Automotive, AEC-Q100","Package":"Tube","Function":"Step-Down","Topology":"Buck","Output Type":"Fixed","Mounting Type":"Surface Mount","Package / Case":"28-WFQFN Exposed Pad","lifecycle_stage":"eol_hot","Current - Output":"1A, 500mA, 500mA, 1A","Number of Outputs":"4","Output Configuration":"Positive","Frequency - Switching":"3.2MHz","Operating Temperature":"-40°C ~ 125°C (TJ)","Synchronous Rectifier":"Yes","Voltage - Input (Max)":"5.5V","Voltage - Input (Min)":"3V","Supplier Device Package":"28-TQFN (5x5)","Voltage - Output (Min/Fixed)":"1.25V, 1.8V, 2.65V, 3.3V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$5.25","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$5.25000","currency":"USD"},{"qty":10,"price":"$4.71100","currency":"USD"},{"qty":25,"price":"$4.45400","currency":"USD"},{"qty":100,"price":"$3.86020","currency":"USD"}]},"links":{"datasheetUrl":"https://datasheets.maximintegrated.com/en/ds/MAX20021-MAX20022.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is MAX20021ATIA/V+ automotive AEC-Q100 qualified?","answer":"Yes, the MAX20021ATIA/V+ is part of the Automotive, AEC-Q100 series, meeting the AEC-Q100 stress qualification for automotive-grade ICs."},{"question":"Is MAX20021ATIA/V+ RoHS compliant?","answer":"Yes, the MAX20021ATIA/V+ is ROHS3 Compliant per the lifecycle record."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/MAX20021ATIA-V","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/MAX20021ATIA-V when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}