{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPS3619-33DGKRG4","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPS3619-33DGKRG4","canonicalUrl":"https://icboms.com/texas-instruments/TPS3619-33DGKRG4","factsUrl":"https://icboms.com/api/mcp/products/TPS3619-33DGKRG4","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TPS3619-33DGKRG4 Battery Backup Circuit, Active Low Reset, Push-Pull Output, 2.93V Threshold, 60ms Reset Timeout, -40°C to 85°C, 8-VSSOP, Tape & Reel.","salesMarkdown":"## Supervisor IC with battery backup for 3.3V rails The TPS3619-33DGKRG4 is a battery backup supervisor from Texas Instruments that monitors a single 3.3V supply rail and switches to a backup battery when the main rail drops below the 2.93V threshold. Its active-low, push-pull reset output holds the system in reset for a minimum of 60ms after the supply returns, giving the processor time to stabilise before code execution starts. The battery backup circuit maintains the supply to SRAM or RTC registers during a power failure, preventing data loss without external sequencing logic. ## 2.93V threshold — where it trips The 2.93V threshold is set for a nominal 3.3V rail. If your system uses a 3.0V or 3.6V supply, this part will either hold reset too aggressively or not trip early enough. The single-voltage monitor covers one rail; designs with multiple supplies need a multi-channel supervisor. Housed in an 8-VSSOP package (3.00mm width), the part is a surface-mount fit for compact PCBs.","metaTitle":"TPS3619-33DGKRG4 Battery Backup Circuit, 2.93V Threshold","metaDescription":"Texas Instruments TPS3619-33DGKRG4 battery backup circuit with 2.93V threshold, active-low push-pull reset, 60ms timeout.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Power Management (PMIC / Gate Driver)"],"specifications":{"Mfr":"Texas Instruments","Type":"Battery Backup Circuit","Reset":"Active Low","Output":"Push-Pull, Totem Pole","Series":"-","Package":"Tape & Reel (TR)","Mounting Type":"Surface Mount","Reset Timeout":"60ms Minimum","Package / Case":"8-TSSOP, 8-MSOP (0.118\\\", 3.00mm Width)","lifecycle_stage":"eol_hot","Base Product Number":"TPS3619","Voltage - Threshold":"2.93V","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"8-VSSOP","Number of Voltages Monitored":"1"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/ae93676fcfae3cff35626cc09a4a46ae.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TPS3619-33DGKRG4/alternatives.json"},"ai":{"faq":[{"question":"What is the output configuration of TPS3619-33DGKRG4?","answer":"Output is push-pull, totem pole with an active-low reset signal."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPS3619-33DGKRG4","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPS3619-33DGKRG4 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}}