{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM2901HYDT","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"LM2901HYDT","canonicalUrl":"https://icboms.com/stmicroelectronics/LM2901HYDT","factsUrl":"https://icboms.com/api/mcp/products/LM2901HYDT","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics LM2901HYDT, quad general-purpose comparator, automotive grade, AEC-Q100 qualified, 2 V to 36 V supply, 2.5 mA quiescent, open-collector output, 14-SOIC package.","salesMarkdown":"The STMicroelectronics LM2901HYDT is a quad general-purpose comparator built for automotive environments. It carries AEC-Q100 qualification, so it is released for PPAP submissions and fits under-hood and cabin-domain ECU designs without a qualification waiver. Four independent comparators in a single 14-SOIC package, each with an open-collector output that interfaces directly to CMOS, TTL, ECL, DTL, or MOS logic. ## Supply range and quiescent current — the BOM-fit numbers Supply voltage spans 2 V to 36 V single-supply, or ±1 V to ±18 V split-supply. Quiescent current is 2.5 mA max across all four comparators. For an always-on ignition-off load in a body controller, that current is low enough to stay within the module's sleep budget without a dedicated low-power comparator. ## Open-collector output — wired-OR and level-shift capability The open-collector output sinks current to ground when the non-inverting input is above the inverting input. Pull the output up to any voltage within the 36 V ceiling — the comparator's output transistor blocks reverse current, so multiple outputs can be wired-OR'd to a common interrupt or fault line.","metaTitle":"STMicroelectronics LM2901HYDT Automotive Quad Comparator","metaDescription":"STMicroelectronics LM2901HYDT quad general-purpose comparator, AEC-Q100 qualified, 2.5 mA quiescent, 2-36 V supply, 14-SOIC. Active lifecycle.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Mfr":"STMicroelectronics","Type":"General Purpose","Grade":"Automotive","Series":"-","Package":"Tape & Reel (TR) Cut Tape (CT)","Hysteresis":"-","Output Type":"CMOS, DTL, ECL, MOS, Open-Collector, TTL","Mounting Type":"Surface Mount","Qualification":"AEC-Q100","Package / Case":"14-SOIC (0.154\\\", 3.90mm Width)","Product Status":"Active","lifecycle_stage":"eol_hot","CMRR, PSRR (Typ)":"-","Number of Elements":"4","Base Product Number":"LM2901","Operating Temperature":"-","Current - Output (Typ)":"-","Propagation Delay (Max)":"-","Supplier Device Package":"14-SO","Current - Quiescent (Max)":"2.5mA","Current - Input Bias (Max)":"-","Voltage - Input Offset (Max)":"-","Voltage - Supply, Single/Dual (±)":"2V ~ 36V, ±1V ~ 18V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.5200","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/57bcdee5347f57fa190f0faf3eeefe74.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM2901HYDT/alternatives.json"},"ai":{"faq":[{"question":"Is the LM2901HYDT AEC-Q100 qualified for automotive use?","answer":"Yes, the LM2901HYDT is AEC-Q100 qualified. That qualification covers the temperature profile and reliability stress tests required for automotive-grade ICs in ECU applications."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/LM2901HYDT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/LM2901HYDT 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}}