{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPS54426PWPR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPS54426PWPR","canonicalUrl":"https://icboms.com/texas-instruments/TPS54426PWPR","factsUrl":"https://icboms.com/api/mcp/products/TPS54426PWPR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments SWIFT™ D-CAP2™ Eco-Mode™ step-down regulator, TPS54426PWPR, adjustable output, 4 A, 4.5-18 V input, 700 kHz, 14-HTSSOP exposed pad, tape and reel.","salesMarkdown":"## 4 A step-down with synchronous rectification The TPS54426PWPR: The 4 A rating sets the load ceiling for the downstream circuitry — a 3.3 V rail at 4 A supplies multiple digital loads, but the total draw must stay under this limit across the operating temperature range. Synchronous rectification is integrated, meaning the low-side MOSFET replaces the external Schottky catch diode typical in asynchronous designs. This reduces the external BOM count and improves efficiency, particularly at higher output currents where the diode forward drop would dominate conduction loss. The switching frequency is fixed at 700 kHz, a middle ground that allows a physically small output inductor (typically in the 2.2 µH to 4.7 µH range) while keeping switching losses manageable. The D-CAP2™ control architecture provides fast transient response without external compensation components. ## Package and thermal design The device is supplied in tape and reel (TR) or cut tape (CT) format. ROHS3 compliance is confirmed, covering the ten restricted substances including the four phthalates.","metaTitle":"TPS54426PWPR Texas Instruments Buck Regulator, 4 A","metaDescription":"TPS54426PWPR step-down regulator, 4.5-18 V input, 4 A output, 700 kHz, synchronous rectification. Active production, ROHS3. Sourced to order.","metaKeywords":null},"attributes":{"series":"SWIFT™, D-CAP2™, Eco-Mode™","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Series":"SWIFT™, D-CAP2™, Eco-Mode™","Package":"Tape & Reel (TR); Cut Tape (CT)","Function":"Step-Down","Topology":"Buck","Output Type":"Adjustable","Mounting Type":"Surface Mount","Package / Case":"14-TSSOP (0.173\\\", 4.40mm Width) Exposed Pad","lifecycle_stage":"eol_hot","Current - Output":"4A","Number of Outputs":"1","Output Configuration":"Positive","Frequency - Switching":"700kHz","Operating Temperature":"-40°C ~ 85°C (TA)","Synchronous Rectifier":"Yes","Voltage - Input (Max)":"18V","Voltage - Input (Min)":"4.5V","Voltage - Output (Max)":"5.5V","Supplier Device Package":"14-HTSSOP","Voltage - Output (Min/Fixed)":"0.76V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.48","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$2.48000","currency":"USD"},{"qty":10,"price":"$2.23000","currency":"USD"},{"qty":25,"price":"$2.10400","currency":"USD"},{"qty":100,"price":"$1.79270","currency":"USD"},{"qty":250,"price":"$1.68328","currency":"USD"},{"qty":500,"price":"$1.47288","currency":"USD"},{"qty":1000,"price":"$1.22038","currency":"USD"},{"qty":2000,"price":"$1.19100","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/5f3f755675fe2987920c22b4ada968bb.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Can TPS54426PWPR be replaced by TPS65261RHBT?","answer":"No, the TPS65261RHBT is a triple-output buck regulator, while the TPS54426PWPR is a single-output device. The TPS65261RHBT has three 3 A outputs and a 2 MHz switching frequency, versus the TPS54426PWPR's single 4 A output at 700 kHz. They are not pin-compatible or functional drop-in replacements."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPS54426PWPR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPS54426PWPR 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}}