{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPS3831A09DQNR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPS3831A09DQNR","canonicalUrl":"https://icboms.com/texas-instruments/TPS3831A09DQNR","factsUrl":"https://icboms.com/api/mcp/products/TPS3831A09DQNR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TPS3831A09DQNR, Simple Reset/Power-On Reset, Active Low, Push-Pull Output, 0.9V Threshold, 120ms Min Reset Timeout, -40°C~85°C, 4-X2SON (1x1mm).","salesMarkdown":"## 0.9 V threshold — the exact undervoltage trip point When the supply drops below that level, the active-low, push-pull output asserts and holds reset for a minimum of 120 ms after the rail recovers. This is a supervisor for low-voltage cores — think 1.0 V or 0.9 V logic rails on an FPGA or MCU where a 100 mV droop can corrupt state. ## Industrial temperature range and tiny footprint The 4-X2SON package measures 1x1 mm, which is about the size of a grain of sand.","metaTitle":"TI TPS3831A09DQNR Simple Reset IC, 0.9V Threshold","metaDescription":"Texas Instruments TPS3831A09DQNR simple reset/power-on reset IC with 0.9V threshold, active-low push-pull output.","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":"Push-Pull, Totem Pole","Series":"-","Package":"Tape & Reel (TR); Cut Tape (CT)","Mounting Type":"Surface Mount","Reset Timeout":"120ms Minimum","Package / Case":"4-XDFN Exposed Pad","Product Status":"Active","lifecycle_stage":"eol_hot","Base Product Number":"TPS3831","Voltage - Threshold":"0.9V","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"4-X2SON (1x1)","Number of Voltages Monitored":"1"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.4305","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/171738cafab7c3368a7e7902c6be9c34.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TPS3831A09DQNR/alternatives.json"},"ai":{"faq":[{"question":"Does TPS3831A09DQNR have an active low reset?","answer":"Yes, the reset output is active low. When the monitored voltage drops below the 0.9 V threshold, the output goes low and stays low for a minimum of 120 ms after the rail recovers."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPS3831A09DQNR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPS3831A09DQNR 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}}