esd保護設(shè)計研討會(英文)(已修改)
2025-02-03 10:54 本頁面
【正文】 California Micro Devices 2023/3/4 下午 01:54:38 1ESD Protection Design Seminar Jim SutherlandSenior Applications EngineerCalifornia Micro Devices 2023/3/4 下午 01:54:38 2Outline4 What is ESD?4 What damage can it cause?4 Why is the problem growing?4 What are the issues for the designer?4 How can we measure it?4 How can we protect equipment from ESD?California Micro Devices 2023/3/4 下午 01:54:38 3What Is ESD?4 ESD = Electro Static Discharge4 Generation Triboelectric (friction causes accumulation of charge) Induction (field induces charge)4 Discharge Dielectric (air) breakdown Electric field increases when charged bodies approach each other Current flow into circuitry California Micro Devices 2023/3/4 下午 01:54:38 4ESD Damage of ICs4 Permanent Oxide breakdown, shorts, opens, latchup4 Temporary Latchup, ground bounce4 Latent Degradation from an ESD eventCalifornia Micro Devices 2023/3/4 下午 01:54:38 5 ESD problem is growing4 Circuits/Systems Old Robust ICs Low speed signals New Sensitive ICs High speed signals4 Environment Old Manufacturing / Corporate New Home / Outdoors / PersonCalifornia Micro Devices 2023/3/4 下午 01:54:38 6ESD Issues for the Designer 4 Must meet ESD specifications4 Select ESD tolerant ponents4 Minimize signal degradation (from R,L C)4 Board space / weight / proper design4 Component cost4 Assemb
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