Sesuai IPC-2221 / IPC-2152
Kembali ke Beranda

Blog Desain PCB

Wawasan Rekayasa, Tutorial & Praktik Terbaik

Artikel mendalam tentang perhitungan lebar jalur PCB, ukuran via, kontrol impedansi, dan standar industri. Ditulis oleh insinyur, untuk insinyur.

Panduan kejuruteraanPiawaianPanduan reka bentukAmalan terbaikReka bentuk berkelajuan tinggiAlat

Semua Artikel (32)

Panduan kejuruteraan24 April 202611 min

PCB Current Derating for Enclosed Products

How to derate PCB current in sealed or fanless products. Practical copper-width, temperature-rise, via, and procurement guidance for boards that run hot inside enclosures.

Current DeratingEnclosed ElectronicsHigh Current PCB
Panduan kejuruteraan23 April 202611 min

Perancangan Lebar Jejak untuk Sistem Pengurusan Bateri PCB

Panduan lebar jejak BMS PCB Praktikal untuk arus pek, penghalaan deria sel, perintang pengimbang, fius, penyentuh, vias dan semakan perolehan sebelum fabrikasi.

BMS PCBBattery Management SystemTrace Width
Panduan kejuruteraan22 April 202610 min

Bila Menggunakan Vias Terma Di Bawah Komponen Panas

Panduan praktikal tentang masa vias terma di bawah QFN, pengawal selia, LED, MOSFET dan modul kuasa meningkatkan suhu PCB, dan sebaliknya apabila ia menghasilkan masalah pateri, kos atau pemasangan.

Thermal ViasThermal PadPCB Thermal Design
Panduan kejuruteraan21 April 202611 min

Kesilapan Laluan Pulangan PCB Isyarat Campuran Yang Menyebabkan Bunyi

Panduan praktikal tentang kesilapan laluan pulangan PCB isyarat bercampur yang menghasilkan bunyi ADC, lantunan tanah dan masalah EMC. Ketahui masa untuk mengelakkan perpecahan satah, tempat menjahit vias dan cara menyemak lintasan penukar sebelum dilepaskan.

Mixed-Signal PCBReturn PathGround Plane
Panduan kejuruteraan20 April 202612 min

How to Choose Copper Weight for Power Electronics PCBs

Practical guidance for selecting 1oz, 2oz, or heavier copper on power electronics PCBs. Learn when copper weight solves a real problem, when wider pours are enough, and what buyers should confirm before fabrication.

Copper WeightPower Electronics PCBHigh Current PCB
Panduan kejuruteraan19 April 202611 min

IPC-2152 Temperature Rise Examples for Real Boards

Real PCB current-carrying examples using IPC-2152 thinking. See how layer, copper weight, bottlenecks, and board context change the trace width you should actually release to fabrication.

IPC-2152Temperature RiseTrace Width
Panduan kejuruteraan18 April 20269 min

Designing PCB Traces for PoE Current Levels

Practical PoE PCB guidance for 802.3af, 802.3at, and 802.3bt. Size the 48V path, bridge, vias, and bottlenecks without overbuilding every Ethernet-adjacent trace.

PoE PCBPower over EthernetTrace Width
Panduan kejuruteraan17 April 202610 min

Cara Saiz Kuprum untuk Papan Pemandu Motor

Panduan praktikal untuk memilih kuprum 1oz lwn 2oz, saiz surih dan tuang, melalui kiraan dan sasaran penurunan voltan pada PCB pemacu motor.

Motor Driver PCBCopper WeightHigh Current PCB
Panduan kejuruteraan17 April 20269 min

PCB Trace Width for CAN Bus Routing

How wide should CAN bus traces be on a PCB? Practical routing guidance for CAN and CAN FD, including width targets, pair symmetry, impedance considerations, and fab-ready checkpoints.

CAN BusCAN FDTrace Width
Piawaian20 Disember 20248 min

IPC-2221 vs IPC-2152: Which to Use?

A comprehensive comparison of the two major PCB current carrying capacity standards. Learn when to use each and how they differ in trace width calculations.

IPC-2221IPC-2152PCB Standards
Panduan reka bentuk18 Disember 202410 min

PCB Copper Weight: 0.5oz vs 1oz vs 2oz

Compare 0.5oz, 1oz, and 2oz PCB copper weights. Real-world applications, cost trade-offs, and trace width impacts explained.

Copper WeightPCB ManufacturingTrace Width
Amalan terbaik16 Disember 202412 min

10 Common PCB Trace Width Mistakes

Avoid costly PCB redesigns by learning the most common trace width mistakes. From temperature rise to manufacturing tolerances.

Trace WidthPCB MistakesDesign Tips
Panduan reka bentuk14 Disember 20249 min

Thermal Via vs Signal Via Design

Understanding the key differences between thermal vias and signal vias is crucial for effective PCB design. Learn sizing, placement, and when to use each type.

Thermal ViaSignal ViaVia Design
Panduan kejuruteraan12 Disember 202411 min

Via Sizing: How Many Vias Needed?

Calculate the exact number of vias needed for your PCB. Engineering formulas for current requirements with practical examples.

Via SizingVia CountCurrent Capacity
Reka bentuk berkelajuan tinggi10 Disember 202414 min

Microstrip vs Stripline vs CPW Guide

Compare microstrip, stripline, and coplanar waveguide for high-speed PCB design. Impedance calculations and use cases.

MicrostripStriplineCoplanar
Reka bentuk berkelajuan tinggi8 Disember 202415 min

High-Speed Impedance: USB, HDMI, PCIe

Complete reference guide for high-speed interface impedance requirements. Covers USB 2.0/3.0, HDMI, PCIe Gen 1-5, DDR3/4/5, and more with practical design tips.

USBHDMIPCIe
Alat6 Disember 20247 min

5 Free PCB Calculators for Engineers

Essential online calculators for PCB design: trace width, via current, impedance, and more. Boost your productivity with these free tools.

PCB CalculatorsFree ToolsEngineering Tools
Amalan terbaik4 Disember 202413 min

PCB Design Checklist: 25 Key Points

Never send a flawed PCB to manufacturing again. 25-point checklist covering trace widths to impedance matching.

ChecklistManufacturingDFM
Panduan reka bentuk2 Disember 202410 min

Internal vs External PCB Layers

Thermal and electrical differences between internal and external PCB layers. How layer choice affects trace width and heat.

Internal LayerExternal LayerPCB Stackup

Siap Menghitung?

Terapkan pengetahuan Anda dalam praktik dengan kalkulator desain PCB gratis kami.