{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPS3128E18DBVTG4","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPS3128E18DBVTG4","canonicalUrl":"https://icboms.com/texas-instruments/TPS3128E18DBVTG4","factsUrl":"https://icboms.com/api/mcp/products/TPS3128E18DBVTG4","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TPS3128E18DBVTG4 Simple Reset/Power-On Reset, Active Low, Open Drain, 1.71V Threshold, 100ms Minimum Reset Timeout, SOT-23-5, -40°C~85°C.","salesMarkdown":"## 1.71V threshold — the 1.8V rail watchdog The TPS3128E18DBVTG4: The active-low, open-drain output pulls low when the monitored voltage falls below 1.71V, and releases after a 100ms minimum reset timeout once the rail recovers — a common interface for MCU and SoC reset inputs. Housed in a SOT-23-5 package, this part fits tight PCB layouts. ## Open-drain output — pull-up resistor required","metaTitle":"TI TPS3128E18DBVTG4 Simple Reset/Power-On Reset","metaDescription":"Texas Instruments TPS3128E18DBVTG4 simple reset IC, active-low open-drain output, 1.71V threshold, 100ms timeout, SOT-23-5, -40°C to 85°C.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Power Management (PMIC / Gate Driver)"],"specifications":{"Mfr":"Texas Instruments","Type":"Simple Reset/Power-On Reset","Reset":"Active Low","Output":"Open Drain or Open Collector","Series":"-","Package":"Tape & Reel (TR)","Mounting Type":"Surface Mount","Reset Timeout":"100ms Minimum","Package / Case":"SC-74A, SOT-753","lifecycle_stage":"eol_hot","Base Product Number":"TPS3128","Voltage - Threshold":"1.71V","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"SOT-23-5","Number of Voltages Monitored":"1"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/33ce582e7a8405bef9aabe534ac434b3.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TPS3128E18DBVTG4/alternatives.json"},"ai":{"faq":[{"question":"Is TPS3128E18DBVTG4 an active-high or active-low reset?","answer":"The reset output is active-low — it pulls low when the monitored voltage drops below the threshold and releases high after the timeout. This matches the reset polarity of most MCUs and SoCs."},{"question":"Is TPS3128E18DBVTG4 suitable for a 1.8V supply system?","answer":"Yes — the 1.71V threshold is designed to monitor a 1.8V nominal rail, asserting reset when the supply dips below 1.71V. It is a direct fit for 1.8V-powered MCUs and FPGAs."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPS3128E18DBVTG4","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPS3128E18DBVTG4 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}}