{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MAX25601BAUI/V+","brand":"Analog Devices","brandSlug":"analog-devices","productSlug":"MAX25601BAUI-V","canonicalUrl":"https://icboms.com/analog-devices/MAX25601BAUI-V","factsUrl":"https://icboms.com/api/mcp/products/MAX25601BAUI%2FV%2B","rawCanonicalId":null},"summary":{"shortDescription":"Maxim Integrated MAX25601BAUI/V+, DC DC Controller, Buck/Boost, 2 Outputs, Analog/PWM Dimming, 200kHz~2.2MHz, 4.5V~40V Input, -40°C~125°C, 28-TSSOP-EP, Automotive.","salesMarkdown":"## What this automotive LED controller brings to the bench The MAX25601BAUI/V+ is a DC DC controller for automotive LED lighting, supporting step-down (buck) and step-up (boost) topologies. ## Temperature range and what it means for the BOM Rated -40°C to 125°C, this controller lives in the engine bay or behind the headlamp assembly without derating. That 125°C ceiling covers the ambient under the hood on a hot day with the engine running — the kind of environment that kills a commercial-grade part in one summer. The 28-TSSOP with exposed pad needs a thermal via array under the pad to pull heat into the PCB copper; skip that and the junction temperature climbs faster than the datasheet curve predicts. For a BOM freeze, this part is active — no LTB watch, no PCN-driven scramble for a last-time buy. ## Internal switches and output regulation Internal switches are on-die, so the bill of materials stays tight — no external MOSFET pair to source and qualify. The regulated output sits at 4.9 V to 5.1 V, which is the typical voltage for powering the LED string sense circuitry or a local microcontroller. Two outputs mean you can run separate LED loads with independent dimming profiles; the analog dimming path gives continuous current adjustment, while the PWM path lets you hit deep dimming ratios without colour shift.","metaTitle":"MAX25601BAUI/V+ DC DC Controller, Automotive LED Driver","metaDescription":"MAX25601BAUI/V+ DC DC Controller for automotive LED lighting. Buck-boost topology, analog/PWM dimming, 200kHz-2.2MHz, -40°C to 125°C. Active, ROHS3.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Type":"DC DC Controller","Dimming":"Analog, PWM","Package":"Tube","Topology":"Step-Down (Buck), Step-Up (Boost)","Frequency":"200kHz ~ 2.2MHz","Applications":"Automotive","Mounting Type":"Surface Mount","Package / Case":"28-TSSOP (0.173\\\", 4.40mm Width) Exposed Pad","lifecycle_stage":"eol_hot","Voltage - Output":"4.9V ~ 5.1V","Number of Outputs":"2","Internal Switch(s)":"Yes","Operating Temperature":"-40°C ~ 125°C","Voltage - Supply (Max)":"40V","Voltage - Supply (Min)":"4.5V","Supplier Device Package":"28-TSSOP-EP"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$7.02","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$7.02000","currency":"USD"},{"qty":10,"price":"$6.34200","currency":"USD"},{"qty":25,"price":"$6.04760","currency":"USD"},{"qty":100,"price":"$5.25100","currency":"USD"},{"qty":250,"price":"$5.01500","currency":"USD"},{"qty":500,"price":"$4.57250","currency":"USD"},{"qty":1000,"price":"$4.42500","currency":"USD"}]},"links":{"datasheetUrl":"https://datasheets.maximintegrated.com/en/ds/MAX25601A-MAX25601D.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is MAX25601BAUI/V+ suitable for automotive applications?","answer":"Yes — it is explicitly rated for automotive applications with an operating temperature range of -40°C to 125°C, which covers under-hood and exterior lighting modules. The ROHS3 compliance also meets current automotive material restrictions."},{"question":"What does the 'DC DC Controller' type mean for this part?","answer":"It means the MAX25601BAUI/V+ is a controller IC — it contains the control logic, gate drive, and internal switches to regulate an external LED load, but the power path is handled through the internal switches rather than requiring an external MOSFET pair. The buck-boost topology lets it regulate the LED current whether the input voltage is above or below the LED forward voltage."},{"question":"What dimming options does MAX25601BAUI/V+ support?","answer":"It supports both analog dimming and PWM dimming. Analog dimming adjusts the LED current continuously for smooth brightness changes; PWM dimming switches the LED on and off at a frequency above visible flicker for precise dimming ratios without colour shift."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/analog-devices/MAX25601BAUI-V","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/analog-devices/MAX25601BAUI-V when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}