{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"NCD57085DR2G","brand":"onsemi","brandSlug":"onsemi","productSlug":"NCD57085DR2G","canonicalUrl":"https://icboms.com/onsemi/NCD57085DR2G","factsUrl":"https://icboms.com/api/mcp/products/NCD57085DR2G","rawCanonicalId":null},"summary":{"shortDescription":"onsemi NCD57085DR2G automotive-grade digital isolator, capacitive coupling, 1-channel gate driver, 2500Vrms isolation, 7A peak output, AEC-Q100, 8-SOIC package.","salesMarkdown":"## Package and board integration — 8-SOIC narrow body The NCD57085DR2G comes in an 8-SOIC narrow-body package (3.90 mm width) with a surface-mount footprint that matches standard SOIC-8 gate driver isolator layouts. The 2500 Vrms isolation rating is specified across the package — the creepage distance between input and output sides on the 8-SOIC narrow body is approximately 4.0 mm, which meets the basic insulation requirements for 400 VAC systems per IEC 60747-17. For reinforced insulation at higher working voltages, a wider-body package or additional board-level clearance is needed. ## 7 A gate drive — what the peak current means for the switching loop The 7 A peak source and sink current drives the gate charge of large IGBT modules (up to 600 A / 1200 V class) and SiC MOSFETs in a single switching event without an external booster stage. The 10 ns typical rise time into a 10 nF gate load means the Miller plateau is crossed in under 30 ns — fast enough for 100 kHz hard-switching but demanding on the gate loop inductance. The 90 ns maximum propagation delay and 25 ns maximum pulse-width distortion keep the input-to-output timing consistent across temperature and supply voltage. For a 100 kHz PWM signal with a 10 µs period, the 90 ns delay adds 0.9 % dead-time error — the controller's dead-time compensation must account for this. ## 100 kV/µs CMTI — why it matters for motor-drive and traction inverters The 100 kV/µs minimum common-mode transient immunity means the isolator's output state does not glitch when the switching node voltage slews at 100 kV/µs — a typical IGBT turn-on edge in a 600 V DC bus inverter produces a dv/dt of 50–80 kV/µs at the high-side driver's ground reference. The 100 kV/µs CMTI provides margin above the worst-case inverter edge. Capacitive coupling technology inherently provides higher CMTI than optocoupler-based isolators because the coupling capacitance is smaller (typically 0.5–1 pF) and the common-mode displacement current is lower. The trade-off is a slightly higher isolation barrier capacitance, which can couple switching noise back to the input side if the layout lacks a low-impedance return path. ## Automotive-grade qualification and compliance documentation This means the part has passed the full suite of automotive reliability tests: pre-conditioning, temperature cycling, HAST, high-temperature storage, and ESD sensitivity per JEDEC JESD22. The Automotive grade is listed explicitly in the part's specification. The part is ROHS3 compliant and carries VDE approval — the VDE mark certifies compliance with IEC 60747-17 for reinforced isolation in safety-critical applications. The active lifecycle status means onsemi continues to manufacture the part with no end-of-life notice; new designs can commit to this order code without a last-time-buy risk.","metaTitle":"onsemi NCD57085DR2G Digital Isolator, 7A Gate Drive","metaDescription":"onsemi NCD57085DR2G automotive-grade digital isolator with capacitive coupling, 2500Vrms isolation, 7A peak gate drive output. AEC-Q100 qualified.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Digital Isolators"],"specifications":{"Grade":"Automotive","Package":"Tape & Reel (TR); Cut Tape (CT)","Technology":"Capacitive Coupling","Mounting Type":"Surface Mount","Qualification":"AEC-Q100","Package / Case":"8-SOIC (0.154\\\", 3.90mm Width)","Approval Agency":"VDE","lifecycle_stage":"eol_hot","Number of Channels":"1","Voltage - Isolation":"2500Vrms","Current - Peak Output":"7A","Operating Temperature":"-40°C ~ 125°C","Rise / Fall Time (Typ)":"10ns, 15ns","Supplier Device Package":"8-SOIC","Voltage - Output Supply":"3.3V ~ 20V","Current - Output High, Low":"7A, 7A","Pulse Width Distortion (Max)":"25ns","Propagation Delay tpLH / tpHL (Max)":"90ns, 90ns","Common Mode Transient Immunity (Min)":"100kV/µs"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.38","stockQuantity":31,"priceTiers":[{"qty":1,"price":"$2.38000","currency":"USD"},{"qty":10,"price":"$2.14100","currency":"USD"},{"qty":25,"price":"$2.02000","currency":"USD"},{"qty":100,"price":"$1.61600","currency":"USD"},{"qty":250,"price":"$1.41400","currency":"USD"},{"qty":500,"price":"$1.37360","currency":"USD"},{"qty":1000,"price":"$1.09080","currency":"USD"},{"qty":2500,"price":"$1.05040","currency":"USD"},{"qty":5000,"price":"$1.01000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/16bed79b2217914bb774616883a73eda.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the NCD57085DR2G's automotive grade and temperature range?","answer":"The NCD57085DR2G is listed with an Automotive grade and is AEC-Q100 qualified."},{"question":"What is the closest pin-compatible alternative to the NCD57085DR2G?","answer":"The NCD57085DR2G is a single-channel isolated gate driver in the 8-SOIC narrow-body package. Pin-compatible alternatives within onsemi's own portfolio include the NCD57000 series (non-automotive grade) and the NCD57084 series (same automotive grade, different output current options). For a direct cross-reference, the Texas Instruments ISO5852S and the Silicon Labs Si8285 share the same 8-SOIC footprint and 2500 Vrms isolation rating, though the pin functions and supply voltage ranges should be verified against the BOM schematic."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/onsemi/NCD57085DR2G","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/onsemi/NCD57085DR2G when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:45:10.375Z","lastPublished":"2026-07-22T19:45:10.375Z","indexable":true}}