{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPS2226DBG4","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPS2226DBG4","canonicalUrl":"https://icboms.com/texas-instruments/TPS2226DBG4","factsUrl":"https://icboms.com/api/mcp/products/TPS2226DBG4","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TPS2226DBG4, PCMCIA Switch Array, 4 outputs, 1 A max per channel, 95 mOhm typical Rds(on), 3.3V/5V/12V load, SSOP-30, Tube.","salesMarkdown":"## PCMCIA power-domain switch array The Texas Instruments TPS2226DBG4 is a four-output high-side PCMCIA power switch array designed to route 3.3 V, 5 V, or 12 V to PC Card slots. Each output is rated for 1 A continuous, with a typical on-resistance of 95 mOhm — low enough to keep voltage drop under 100 mV at full load per channel. ## Fault protection — fixed current limit, no trim Built-in fault protection includes fixed current limiting and over-temperature shutdown. The current limit is non-adjustable, so the 1 A per-channel rating is also the trip threshold — no external sense resistor needed, but no headroom tuning either. The status flag output reports over-current or thermal faults back to the host controller. ## Serial interface and input-to-output ratio Control is via a serial interface, with a 3:4 input-to-output ratio — three control lines manage four independent switch channels. The device does not require a separate Vcc/Vdd supply for its internal logic; it derives bias from the load rails. Housed in a 30-pin SSOP (0.209\" body width, 5.30 mm) surface-mount package. No official direct replacement or cross-reference is listed by the manufacturer, so the TPS2226 base number is the one to qualify into the BOM.","metaTitle":"TPS2226DBG4 PCMCIA Power Switch, 4-Ch 1A, 95mOhm, SSOP-30","metaDescription":"Texas Instruments TPS2226DBG4 PCMCIA switch array, 4 outputs at 1A each, 95mOhm typical Rds(on). Active lifecycle, SSOP-30 package.","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":"Tube","Features":"Status Flag","Interface":"Serial","Input Type":"-","Output Type":"-","Switch Type":"PCMCIA Switch","Rds On (Typ)":"95mOhm","Mounting Type":"Surface Mount","Package / Case":"30-SSOP (0.209\\\", 5.30mm Width)","Voltage - Load":"3.3V, 5V, 12V","lifecycle_stage":"eol_hot","Fault Protection":"Current Limiting (Fixed), Over Temperature","Number of Outputs":"4","Base Product Number":"TPS2226","Output Configuration":"High Side","Ratio - Input:Output":"3:4","Operating Temperature":"-40°C~85°C(TA)","Current - Output (Max)":"1A","Supplier Device Package":"30-SSOP","Voltage - Supply (Vcc/Vdd)":"Not Required"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/fd8477305e59097cdd3e981440f521e7.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TPS2226DBG4/alternatives.json"},"ai":{"faq":[{"question":"How does the fault protection on TPS2226DBG4 work?","answer":"The device implements fixed current limiting and over-temperature shutdown. When an output exceeds the 1 A threshold or the die temperature rises above the thermal limit, the affected channel is latched off and the status flag output asserts low to signal the fault to the host controller."},{"question":"What is the closest pin-compatible alternative to TPS2226DBG4?","answer":"No official pin-compatible cross-reference or direct replacement is listed by the manufacturer for the TPS2226DBG4. The base product number TPS2226 defines the family; other variants within the TPS2226 series may share the same footprint and function, but pin compatibility should be verified against the respective datasheets."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPS2226DBG4","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPS2226DBG4 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}}