{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPS2547RTET","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPS2547RTET","canonicalUrl":"https://icboms.com/texas-instruments/TPS2547RTET","factsUrl":"https://icboms.com/api/mcp/products/TPS2547RTET","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TPS2547RTET, USB power switch, high-side, N-channel, 1 output, 3 A max, 73 mOhm Rds(on) typ, 4.5 V to 5.5 V load, adjustable current limit, over-temp protection, status flag, 16-WQFN (3x3 mm), -40°C to 125°C.","salesMarkdown":"The TPS2547RTET is a single-channel, high-side USB power switch from Texas Instruments. Its headline rating is a typical 73 mOhm on-resistance at 3 A continuous output, which means at full load the voltage drop across the switch is about 220 mV — well within the 4.75 V minimum allowed by USB 2.0 downstream port specs. The part integrates adjustable current limiting and over-temperature protection, and it carries a status flag output that goes low when the switch is in current-limit or thermal-shutdown. ## Adjustable current limit — set the trip point per port load The current limit is adjustable via an external resistor, not fixed at the factory. That means the same TPS2547RTET can be set for a 500 mA USB 2.0 port or a 1.5 A charging port by changing one resistor value — no BOM variant needed. The over-temperature protection shuts the switch off if the die exceeds the safe junction temperature, and the status flag reports the fault to the host controller. It is not a commercial 0-70°C part; it is specced for outdoor telecom cabinets, engine-bay electronics, or factory-floor USB hubs where the ambient temperature can hit 85°C and the self-heating from 3 A adds another 20-30°C on the die. ## 16-WQFN (3x3 mm) — the footprint and the thermal pad The package is a 16-lead WFQFN with an exposed pad, 3x3 mm body.","metaTitle":"TPS2547RTET USB Power Switch, 73 mOhm, 3 A, 16-WQFN","metaDescription":"TI TPS2547RTET USB high-side switch, 73 mOhm Rds(on), 3 A output, adjustable current limit, -40°C to 125°C. Active production.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Power Management (PMIC / Gate Driver)"],"specifications":{"Mfr":"Texas Instruments","Series":"-","Package":"Tape & Reel (TR); Cut Tape (CT)","Features":"Status Flag","Interface":"On/Off","Input Type":"-","Output Type":"N-Channel","Switch Type":"USB Switch","Rds On (Typ)":"73mOhm","Mounting Type":"Surface Mount","Package / Case":"16-WFQFN Exposed Pad","Product Status":"Active","Voltage - Load":"4.5V ~ 5.5V","lifecycle_stage":"eol_hot","Fault Protection":"Current Limiting (Adjustable), Over Temperature","Number of Outputs":"1","Base Product Number":"TPS2547","Output Configuration":"High Side","Ratio - Input:Output":"1:1","Operating Temperature":"-40°C~125°C(TJ)","Current - Output (Max)":"3A","Supplier Device Package":"16-WQFN (3x3)","Voltage - Supply (Vcc/Vdd)":"Not Required"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.3900","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/fd5f413bcca59c58b148a79b7ca2c68c.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TPS2547RTET/alternatives.json"},"ai":{"faq":[{"question":"What is the Rds(on) of the TPS2547RTET?","answer":"The typical on-resistance is 73 mOhm at 3 A output. This is the conduction loss floor — at 3 A the voltage drop is about 220 mV, which is within the USB 2.0 downstream port voltage tolerance."},{"question":"Is the TPS2547RTET pin-compatible with the TPS2546?","answer":"The TPS2547 and TPS2546 share the same 16-WQFN (3x3) package and pinout. The difference is in the feature set — the TPS2546 includes a dedicated enable pin and a different fault-reporting scheme. If your design already uses the TPS2546, the TPS2547RTET is a drop-in replacement for the footprint, but check the enable logic and status flag behaviour in your application."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPS2547RTET","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPS2547RTET 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}}