{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPS3839G18DBZT","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPS3839G18DBZT","canonicalUrl":"https://icboms.com/texas-instruments/TPS3839G18DBZT","factsUrl":"https://icboms.com/api/mcp/products/TPS3839G18DBZT","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TPS3839G18DBZT, Simple Reset/Power-On Reset, Active Low, Push-Pull Output, 1.67V Threshold, 120ms Minimum Reset Timeout, SOT-23-3, -40°C to 85°C.","salesMarkdown":"## 1.67V supervisor for a 1.8V rail This threshold is sized for a nominal 1.8V supply — the most common core voltage for low-power MCUs, FPGAs, and wireless SoCs. The active-low, push-pull output drives the reset input of the downstream processor directly, no external pull-up needed. ## 120ms reset timeout — what it buys you For a typical 1.8V rail with a 10 µF decoupling cap and a 1A-rated LDO, the rise time is under 1 ms — the 120ms window gives the oscillator and PLL plenty of margin to lock before the processor starts executing code. ## SOT-23-3 footprint and reflow The SOT-23-3 package (TO-236-3 / SC-59) is a standard three-lead footprint with 0.95 mm pitch. It places cleanly with no tombstoning risk at typical reflow profiles — the package is symmetrical and the pads are large enough for good solder paste wetting. MSL rating is not listed in the spec table, but the SOT-23-3 body is thin enough that moisture sensitivity is rarely an issue at standard reflow peaks (260°C). ## Industrial temperature grade No derating needed for enclosures that see direct sun or unheated storage.","metaTitle":"TI TPS3839G18DBZT Simple Reset/Power-On Reset","metaDescription":"Texas Instruments TPS3839G18DBZT simple reset/power-on reset IC. Active-low push-pull output, 1.67V threshold, 120ms min reset timeout. SOT-23-3, -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":"Push-Pull, Totem Pole","Series":"-","Package":"Tape & Reel (TR); Cut Tape (CT)","Mounting Type":"Surface Mount","Reset Timeout":"120ms Minimum","Package / Case":"TO-236-3, SC-59, SOT-23-3","Product Status":"Active","lifecycle_stage":"eol_hot","Base Product Number":"TPS3839","Voltage - Threshold":"1.67V","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"SOT-23-3","Number of Voltages Monitored":"1"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.9600","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/8db2a3e3b3bb51ea8ca211210c7cfea5.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TPS3839G18DBZT/alternatives.json"},"ai":{"faq":[{"question":"Can I replace TPS3839G18DBZT with TPS3839G18DBZR?","answer":"The TPS3839G18DBZR is the same die in the same SOT-23-3 package, but the suffix 'R' typically indicates a different reel/tape quantity. Functionally they are identical — the DBZT is cut tape, the DBZR is full reel. Confirm the reel quantity matches your production needs before substituting."},{"question":"What is the reset timeout of TPS3839G18DBZT?","answer":"The reset timeout is 120ms minimum. The supervisor holds the reset line low for at least this duration after the supply rises above the threshold."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPS3839G18DBZT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPS3839G18DBZT 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}}