{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPS3618-50DGKR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPS3618-50DGKR","canonicalUrl":"https://icboms.com/texas-instruments/TPS3618-50DGKR","factsUrl":"https://icboms.com/api/mcp/products/TPS3618-50DGKR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TPS3618-50DGKR, Battery Backup Circuit, monitors 1 supply, 4.55V threshold, active-low reset, push-pull output, 60ms min reset timeout, -40°C to 85°C, 8-VSSOP package.","salesMarkdown":"## Battery backup supervisor for 5 V rails The TPS3618-50DGKR monitors a single supply and switches to a backup battery when the main supply drops below the 4.55 V threshold. The active-low reset output holds the system in reset for a minimum of 60 ms after the supply returns.","metaTitle":"TPS3618-50DGKR Battery Backup Circuit, 4.55V Threshold","metaDescription":"Texas Instruments TPS3618-50DGKR battery backup supervisory IC, monitors 5V rail with 4.55V threshold, active-low reset, push-pull output.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","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)","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Base Product Number":"TPS3618","Voltage - Threshold":"4.55V","Operating Temperature":"-40°C~85°C(TJ)","Supplier Device Package":"8-VSSOP","Number of Voltages Monitored":"1"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.5300","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/b94f173724737950b63ddf5a42a7cec9.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TPS3618-50DGKR/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy TPS3618-50DGKR?","answer":"This part is obsolete and no longer available from the factory. It can be sourced through independent distribution — submit an RFQ for current availability and pricing."},{"question":"What is the difference between TPS3618-50DGKR and TPS3618-33DGKR?","answer":"The two parts differ in their voltage threshold: the -50 variant monitors a 5 V rail at 4.55 V, while the -33 variant monitors a 3.3 V rail. All other specifications — package, reset timeout, output type — are the same."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPS3618-50DGKR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPS3618-50DGKR 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}}