منبع تغذیه 24 ولت DC

amin26

amin26

من یک منبع تغذیه 24 ولت دی سی میخوام که ورودی ان 220ولت ac هست واین منبع تغذیه 5 امپ هست

flux

فعلاً فقط پروژه‌ی خالی ساخته شده و هنوز هیچ شماتیک، قطعه یا مدار منبع تغذیه‌ای اضافه نشده است.
برای منبع تغذیه 220VAC به 24VDC / 5A، به‌دلیل درگیر بودن با برق شهر و توان حدود 120W، طراحی مستقیم مدار از صفر نیازمند رعایت ایمنی، ایزولاسیون، فیوز، ارت، فاصله‌های خزشی/هوایی، EMI و استانداردهای حفاظتی است. پیشنهاد عملی و ایمن این است که از یک ماژول آماده AC-DC ایزوله 24V 5A استفاده شود و در برد فقط ورودی AC، فیوز، وریستور/MOV، فیلتر EMI، ارت، خروجی 24V و حفاظت خروجی طراحی شود.
در حال حاضر به‌دلیل نبود ACUs در حساب، نمی‌توانم ابزارهای طراحی را اجرا کنم یا قطعات را به پروژه اضافه کنم. کارهای باقی‌مانده:
  • انتخاب ماژول آماده 24VDC حداقل 5A، ترجیحاً 6A یا بیشتر برای حاشیه اطمینان
  • طراحی ورودی ایمن 220VAC با فیوز، MOV، NTC و فیلتر EMI
  • طراحی ترمینال‌های ورودی/خروجی و حفاظت خروجی
  • بررسی فاصله‌های ایمنی روی PCB
  • تهیه شماتیک و سپس چیدمان PCB بعد از فعال شدن ACUs
پیدا کردن ماژول
شماتیک ورودی ایمن
فاصله‌های ایمنی
BOM اولیه
C1
Capacitance
Capacitance
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Technical Emerald Ecto Goggles

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