{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"MCP1630V-E/MS","brand":"Microchip Technology","brandSlug":"microchip","productSlug":"MCP1630V-E-MS","canonicalUrl":"https://icboms.com/microchip/MCP1630V-E-MS","factsUrl":"https://icboms.com/api/mcp/products/MCP1630V-E%2FMS","rawCanonicalId":null},"summary":{"shortDescription":"Microchip MCP1630V-E/MS, PWM current-mode controller, 3V to 5.5V supply, single output, synchronous rectifier, buck/boost/buck-boost/flyback/SEPIC topology, -40°C to 125°C, 8-MSOP package.","salesMarkdown":"## A controller that handles multiple topologies — one BOM line for different power stages The Microchip MCP1630V-E/MS is a current-mode PWM controller that can be configured for step-up, step-down, or step-up/step-down conversion, covering buck, boost, buck-boost, flyback, and SEPIC topologies. The single output drives an external transistor pair, and the built-in synchronous rectifier support helps keep conduction losses down in low-output-voltage designs. ## Supply range and topology — what drives the BOM decision The 3V to 5.5V Vcc range means this controller runs from a regulated 3.3V or 5V rail — not directly from a battery stack or a rectified line. If your system already has a 3.3V or 5V bias supply, the MCP1630V-E/MS fits without an extra pre-regulator. The topology flexibility (buck, boost, buck-boost, flyback, SEPIC) is the main reason to standardise on this part across multiple power stages: one controller type for the 5V-to-3.3V buck, the 5V-to-12V boost, and the isolated flyback for the secondary side. That cuts the BOM line count and the qualification overhead. ## Synchronous rectification — efficiency lever for low-voltage rails The MCP1630V-E/MS supports synchronous rectification, which replaces the output Schottky with a second MOSFET. In a 3.3V-output buck, the rectifier MOSFET's lower forward drop can gain a couple of percent efficiency — meaningful when the load is several amps or the enclosure is sealed. The controller drives both the main switch and the synchronous switch, so the external gate-drive circuitry is minimal. ## Package and mounting — 8-MSOP with tube delivery The supplier device package is 8-MSOP. For larger volumes, check whether the reel option (MCP1630V-E/MF or similar) fits your pick-and-place flow better. For a new-design BOM, this part is a low-risk line — no imminent obsolescence to plan around.","metaTitle":"Microchip MCP1630V-E/MS PWM Controller, 3V-5.5V, 8-MSOP","metaDescription":"MCP1630V-E/MS PWM controller from Microchip. Supports buck, boost, buck-boost, flyback, SEPIC topologies. 3V to 5.5V supply, -40°C to 125°C.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Signal Isolation"],"specifications":{"Package":"Tube","Function":"Step-Up, Step-Down, Step-Up/Step-Down","Topology":"Buck, Boost, Buck-Boost, Flyback, SEPIC","Clock Sync":"No","Output Type":"Transistor Driver","Mounting Type":"Surface Mount","Output Phases":"1","Package / Case":"8-TSSOP, 8-MSOP (0.118\\\", 3.00mm Width)","lifecycle_stage":"eol_hot","Number of Outputs":"1","Output Configuration":"Positive, Isolation Capable","Operating Temperature":"-40°C ~ 125°C (TJ)","Synchronous Rectifier":"Yes","Supplier Device Package":"8-MSOP","Voltage - Supply (Vcc/Vdd)":"3V ~ 5.5V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.57","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$1.57000","currency":"USD"},{"qty":25,"price":"$1.31000","currency":"USD"},{"qty":100,"price":"$1.26250","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/3c19da5d987c690b43accf3a55595008.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What topologies does MCP1630V-E/MS support?","answer":"It supports buck, boost, buck-boost, flyback, and SEPIC topologies, covering step-down, step-up, and step-up/step-down conversion. The output configuration is positive and isolation-capable, so flyback designs with an optocoupler feedback loop are feasible."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/microchip/MCP1630V-E-MS","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/microchip/MCP1630V-E-MS when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-16T10:39:33.080Z","lastPublished":"2026-07-16T10:39:33.080Z","indexable":true}}