{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TL1451ACPWR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TL1451ACPWR","canonicalUrl":"https://icboms.com/texas-instruments/TL1451ACPWR","factsUrl":"https://icboms.com/api/mcp/products/TL1451ACPWR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TL1451ACPWR PWM controller, step-up/step-down/step-up/step-down function, buck/boost/flyback topology, 1 output phase, 2 outputs, transistor driver, 1 kHz to 500 kHz switching frequency, 3.6 V to 50 V supply, -20°C to 85°C, 16-TSSOP package, surface mount.","salesMarkdown":"## Multi-topology PWM controller for flexible power rail design The Texas Instruments TL1451ACPWR is a PWM controller that handles step-up, step-down, and step-up/step-down conversion across buck, boost, and flyback topologies. It drives two external transistors (output type: transistor driver) from a single supply rail spanning 3.6 V to 50 V. The switching frequency is adjustable from 1 kHz to 500 kHz via an external RC network, giving you control over the inductor size versus ripple trade-off. No synchronous rectifier or clock sync on this part — it's a straightforward analog controller for non-isolated or isolated flyback designs where simplicity and wide input range matter more than efficiency at light load. ## Sourcing and lifecycle The TL1451ACPWR carries an active lifecycle status with ROHS3 compliance.","metaTitle":"TL1451ACPWR PWM Controller, Buck/Boost/Flyback, 16-TSSOP","metaDescription":"TL1451ACPWR PWM controller from TI supports buck, boost, and flyback topologies. Switching frequency 1 kHz to 500 kHz, supply 3.6 V to 50 V. Active, ROHS3.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Package":"Tape & Reel (TR); Cut Tape (CT)","Function":"Step-Up, Step-Down, Step-Up/Step-Down","Topology":"Buck, Boost, Flyback","Clock Sync":"No","Output Type":"Transistor Driver","Mounting Type":"Surface Mount","Output Phases":"1","Package / Case":"16-TSSOP (0.173\\\", 4.40mm Width)","lifecycle_stage":"eol_hot","Control Features":"Frequency Control","Number of Outputs":"2","Output Configuration":"Positive","Frequency - Switching":"1kHz ~ 500kHz","Operating Temperature":"-20°C ~ 85°C (TA)","Synchronous Rectifier":"No","Supplier Device Package":"16-TSSOP","Voltage - Supply (Vcc/Vdd)":"3.6V ~ 50V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.02","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$2.02000","currency":"USD"},{"qty":10,"price":"$1.81200","currency":"USD"},{"qty":25,"price":"$1.70920","currency":"USD"},{"qty":100,"price":"$1.45630","currency":"USD"},{"qty":250,"price":"$1.36740","currency":"USD"},{"qty":500,"price":"$1.19648","currency":"USD"},{"qty":1000,"price":"$0.99136","currency":"USD"},{"qty":2000,"price":"$0.96750","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/69690ddb0cc27a922456eb2f2e837e8a.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the TL1451ACPWR equivalent or second source?","answer":"The UCC2806DWTR is a functional peer from TI with similar topology support (boost, flyback, forward converter) and two outputs, but it includes synchronous rectification and a narrower supply range (8 V typical). The LM5150QURUMRQ1 is an automotive-grade (AEC-Q100) single-output boost controller with clock sync and higher switching frequency (2.3 MHz). Neither is a drop-in replacement — verify pin compatibility and control features against your design."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TL1451ACPWR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TL1451ACPWR 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}}