{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPS3838K33QDBVRQ1","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPS3838K33QDBVRQ1","canonicalUrl":"https://icboms.com/texas-instruments/TPS3838K33QDBVRQ1","factsUrl":"https://icboms.com/api/mcp/products/TPS3838K33QDBVRQ1","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TPS3838K33QDBVRQ1, Simple Reset/Power-On Reset, AEC-Q100, Active Low, Open Drain, 2.93V Threshold, 10ms Reset Timeout, -40°C to 125°C, SOT-23-5.","salesMarkdown":"## 2.93V threshold — what it means for 3.3V rail monitoring The TPS3838K33QDBVRQ1 is a Texas Instruments simple reset IC with a 2.93V threshold, designed to monitor a single 3.3V supply rail in automotive systems. The threshold sits at roughly 89% of the nominal 3.3V rail, so the reset asserts before the downstream logic sees a brownout below its minimum operating voltage. The active-low, open-drain output lets multiple reset outputs wire-OR together on a shared pull-up — common in multi-rail ECU designs where any fault pulls the master reset line low. The full temperature span covers under-hood and cabin electronics without derating the threshold accuracy or reset timeout. The 10ms minimum reset timeout is long enough to ride through supply glitches from a cranking engine or load dump, but short enough that the ECU micro does not hang in reset during a transient. For automotive programs with multi-year production runs, this means no last-time-buy exposure and no forced redesign mid-cycle.","metaTitle":"TPS3838K33QDBVRQ1 Simple Reset/Power-On Reset, AEC-Q100","metaDescription":"Texas Instruments TPS3838K33QDBVRQ1 automotive-grade simple reset IC, AEC-Q100 qualified, active-low open-drain output, 2.93V threshold, -40°C to 125°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":"Automotive, AEC-Q100","Package":"Tape & Reel (TR); Cut Tape (CT)","Mounting Type":"Surface Mount","Reset Timeout":"10ms Minimum","Package / Case":"SC-74A, SOT-753","Product Status":"Active","lifecycle_stage":"eol_hot","Base Product Number":"TPS3838","Voltage - Threshold":"2.93V","Operating Temperature":"-40°C~125°C(TA)","Supplier Device Package":"SOT-23-5","Number of Voltages Monitored":"1"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.0100","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/622c43b4de2bcd9c54e28f62e79bcf68.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TPS3838K33QDBVRQ1/alternatives.json"},"ai":{"faq":[{"question":"Is TPS3838K33QDBVRQ1 a direct replacement for the standard TPS3838K33?","answer":"The TPS3838K33QDBVRQ1 is the automotive-grade (AEC-Q100) variant of the TPS3838K33. It is a drop-in replacement for the commercial part in automotive designs that require the grade."},{"question":"Can I use TPS3838K33QDBVRQ1 for 3.3V monitoring?","answer":"Yes. The 2.93V threshold is set to monitor a 3.3V rail. The reset asserts when the supply drops below 2.93V, which is above the minimum operating voltage of most 3.3V logic, providing a clean reset before data corruption occurs."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPS3838K33QDBVRQ1","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPS3838K33QDBVRQ1 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}}