{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPS2231MRGPTG4","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPS2231MRGPTG4","canonicalUrl":"https://icboms.com/texas-instruments/TPS2231MRGPTG4","factsUrl":"https://icboms.com/api/mcp/products/TPS2231MRGPTG4","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TPS2231MRGPTG4 ExpressCard™ power switch, 3 high-side outputs, 1.3 A per output, 45 mOhm Rds(on), fixed current limiting, over-temperature protection, -40°C to 85°C, 20-QFN (4x4) package, Tape & Reel.","salesMarkdown":"## ExpressCard power switch — three 1.3 A rails in a 4×4 QFN Each output delivers up to 1.3 A from a 1.5 V or 3.3 V load supply, with a typical on-resistance of 45 mOhm per channel. ## Protection features and output configuration Built-in fixed current limiting and over-temperature shutdown protect the switch and the downstream load during a sustained fault — no external sense resistor is needed. A power-good output and a status flag provide feedback to the system controller for fault monitoring and sequencing. The three outputs are independently controlled with a 1:1 input-to-output ratio, meaning each enable pin gates one output rail. The switch operates without a separate Vcc/Vdd bias supply — the load voltage powers the internal gate drive.","metaTitle":"TPS2231MRGPTG4 ExpressCard Switch, 45 mOhm, Obsolete","metaDescription":"Texas Instruments TPS2231MRGPTG4 ExpressCard power switch, 3 outputs at 1.3 A, 45 mOhm Rds(on), -40°C to 85°C.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Power Management (PMIC / Gate Driver)"],"specifications":{"Mfr":"Texas Instruments","Series":"-","Package":"Tape & Reel (TR)","Features":"Power Good, Status Flag","Interface":"-","Input Type":"-","Output Type":"-","Switch Type":"ExpressCard™ Switch","Rds On (Typ)":"45mOhm","Mounting Type":"Surface Mount","Package / Case":"20-VFQFN Exposed Pad","Product Status":"Obsolete","Voltage - Load":"1.5V, 3.3V","lifecycle_stage":"eol_hot","Fault Protection":"Current Limiting (Fixed), Over Temperature","Number of Outputs":"3","Base Product Number":"TPS223","Output Configuration":"High Side","Ratio - Input:Output":"1:1","Operating Temperature":"-40°C~85°C(TA)","Current - Output (Max)":"1.3A","Supplier Device Package":"20-QFN (4x4)","Voltage - Supply (Vcc/Vdd)":"Not Required"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/72301408950e308afbbf2507f3231a23.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TPS2231MRGPTG4/alternatives.json"},"ai":{"faq":[{"question":"Is TPS2231MRGPTG4 obsolete?","answer":"For existing designs, the part can be sourced through independent distribution on a quoted-to-order basis."},{"question":"What is the replacement for TPS2231MRGPTG4?","answer":"No direct pin-compatible replacement is recorded in the product lifecycle documentation. Designers should evaluate current-production ExpressCard power switches from TI or alternate suppliers; a parametric search for three-output, 1.3 A, 45 mOhm high-side switches in a 20-QFN package is the starting point for a new BOM position."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPS2231MRGPTG4","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPS2231MRGPTG4 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}}