{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPS3831G12DQNT","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPS3831G12DQNT","canonicalUrl":"https://icboms.com/texas-instruments/TPS3831G12DQNT","factsUrl":"https://icboms.com/api/mcp/products/TPS3831G12DQNT","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TPS3831G12DQNT, Simple Reset/Power-On Reset, 1 channel, active-low push-pull output, 1.1V threshold, 120ms min reset timeout, 4-X2SON (1x1mm), -40°C to 85°C, active production.","salesMarkdown":"## What this supervisor does on the rail The TPS3831G12DQNT is a single-channel voltage supervisor that asserts a reset signal when the monitored supply drops below 1.1V. The output is push-pull, active low — it drives the reset pin of an MCU or SoC directly without needing an external pull-up resistor. That saves one component on the board and one BOM line. ## Threshold and temperature fit With a 1.1V threshold, this part is built for 1.2V or 1.8V digital cores — common on Cortex-M and low-power RF MCUs. If the board lives under the hood or in a downhole tool, the TLV803EA29VDBZR sibling extends the temperature range to 125°C. That part uses an open-drain output, so the pull-up resistor trade-off applies. The 4-X2SON (1x1mm) package is tiny — four pads on a 1 mm square body with an exposed pad underneath. It reflows cleanly with a standard lead-free profile, but hand-soldering needs a fine tip and steady hands. The exposed pad helps thermal transfer to the PCB, so make sure the ground plane under it has a solid via array. It is RoHS3 compliant.","metaTitle":"TPS3831G12DQNT – TI Simple Reset/Power-On Reset","metaDescription":"TPS3831G12DQNT from Texas Instruments: Simple Reset/Power-On Reset, 1.1V threshold, active-low push-pull output, 120ms min timeout, 4-X2SON (1x1mm) package","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","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":"1.1V","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"4-X2SON (1x1)","Number of Voltages Monitored":"1"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.3400","priceTiers":[{"qty":1,"price":"$1.34000","currency":"USD"},{"qty":10,"price":"$1.19800","currency":"USD"},{"qty":25,"price":"$1.13680","currency":"USD"},{"qty":100,"price":"$0.93380","currency":"USD"},{"qty":250,"price":"$0.87284","currency":"USD"},{"qty":500,"price":"$0.77136","currency":"USD"},{"qty":1250,"price":"$0.60897","currency":"USD"},{"qty":2500,"price":"$0.57450","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/171738cafab7c3368a7e7902c6be9c34.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TPS3831G12DQNT/alternatives.json"},"ai":{"faq":[{"question":"Can I use TPS3831G12DQNT as a replacement for TPS3831G12D?","answer":"The base product number is TPS3831. The suffix G12DQNT indicates the 1.1V threshold variant in the 4-X2SON package on tape-and-reel. If TPS3831G12D is a different package (e.g. SOT-23), the pinout and footprint will differ — check the mechanical drawing before assuming drop-in compatibility."},{"question":"What is the output type of TPS3831G12DQNT?","answer":"Push-pull, totem-pole, active low. It drives the reset input directly without an external pull-up resistor."},{"question":"What is the reset timeout of TPS3831G12DQNT?","answer":"The reset timeout is a minimum of 120 ms. After the supply rises above the threshold, the output stays low for at least that long before releasing the reset."},{"question":"Is TPS3831G12DQNT compatible with 1.8V systems?","answer":"Yes — the 1.1V threshold is well below a 1.8V rail, so the supervisor will not falsely trigger during normal operation. The push-pull output swings to the supply voltage, which is typically the monitored rail itself."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPS3831G12DQNT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPS3831G12DQNT when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}