Datasheet download

Product features:

◆ Universal voltage: 85~265VAC/100~375VDC

◆ AC and DC dual-purpose (same terminal input voltage)

◆ High efficiency, high power density

◆ With output short circuit protection function

◆ Passed EN60950, UL60950 certification

◆ With PCB, guide rail and other installation methods

◆ Three-year warranty period

　　The Complete Guide to Vicor AC-DC Power Solutions: Analysis of High-Density, High-Efficiency Power Supply Technology

　　Vicor power supply technology advantages and product positioning

As a leader in high-performance power modules, Vicor’s AC-DC power solutions are renowned for theirHigh power density、Excellent conversion efficiencyandFlexible architectureUnique in the industry. Vicor uses patented power conversion technology and advanced packaging processes to provide innovative power solutions for demanding application scenarios such as data centers, industrial equipment, telecommunications infrastructure and transportation.

The core advantages of Vicor AC-DC power supply products are reflected in three aspects: firstlyBreakthrough power density, achieving miniaturization design through high-frequency zero-voltage switching (ZVS) technology; followed byExtremely high conversion efficiency, maintaining excellent performance within the full load range and significantly reducing energy consumption; finallyModular architecture, supports flexible expansion and rapid deployment, greatly shortening product time to market.

　　Vicor AC-DC Power Supply Product Selection Guide

The correct selection of Vicor power modules requires an in-depth understanding of its product characteristics and technical parameters:

　　Product seriesKey technical characteristicsTypical application scenarios

　　Front-end AC-DC conversion moduleInput: 85-264VAC, output: 24/48VDC, efficiency >93% industrial equipment, telecommunications power supply, server backup power supply

　　High density power modulePower density >1000W/in³, ZVS technology, temperature range -40℃ to +125℃ Data center, high-performance computing, artificial intelligence accelerator

　　Modular power systemScalable architecture, N+M redundancy, hot-swappable support for mission-critical systems, medical equipment, and communications infrastructure

　　Railway certification seriesComply with EN 50155 standard, wide input voltage range, high vibration resistance rail transit, vehicle electronics, transportation system

　　Analysis of common technical problems of Vicor power supply

　　Q1: What are the special requirements for the heat dissipation design of Vicor high-density power modules?

The high power density of Vicor modules requires professional thermal management:

Must be followedOfficial Thermal Design Guide, ensure sufficient heat dissipation area

RECOMmended useThermal padorheat sinkEnhance heat conduction

Required in high temperature environmentsPower deratingUse, refer to the official derating curve

Consider usingThermal conductive materials recommended by VicorEnsure optimal thermal performance

　　Q2: How to correctly configure the input and output protection circuit of the Vicor module?

Protection circuit design is crucial to system reliability:

The input must be configuredsuitable fuseandsurge suppression circuit

Recommended useVicor certified EMI filtersEnsure electromagnetic compatibility

Recommended configuration of the output terminalOvervoltage protection deviceandload balancing circuit

ReferenceVicor Application NotesTypical protection circuit design in

　　Q3: How does the Vicor modular power system achieve redundant configuration?

N+M redundant configuration ensures high system availability:

useVicor redundant controllerImplement load sharing and failover

ConfigurationAppropriate number of redundant modules, usually N+1 or N+2

make sureWhen a single module failsThe system can still meet the load demand

accomplishHot swap function, supports online maintenance and replacement

　　Q4: What are the key points in the layout design of Vicor power module?

PCB layout directly affects power supply performance:

followVicor Design GuideLayout specifications in

​Input and output capacitanceAs close as possible to the module pins

useMultilayer board design, providing complete ground and power planes

　　high current pathUse sufficient copper thickness to reduce voltage drop

　　Vicor power system troubleshooting process

　　Phase One: Basic Diagnosis

　　Status light check: Observe module LED status indication

　　Input power verification: Measure whether the input voltage is within the specification range

　　Enable signal check: Confirm that the control signal meets the requirements

　　Temperature status assessment: Check whether the module operating temperature is normal

　　Phase Two: Performance Testing

　　Output voltage accuracy: Measure whether the output voltage is within ±1% of the nominal value

　　Ripple and noise test: Use an oscilloscope to detect output ripple (usually <50mV)

　　load regulation: Test the output voltage stability when the load changes

　　Efficiency measurement: Verify whether the actual efficiency meets the specifications.

　　The third stage: in-depth analysis

　　Thermal imaging analysis: Checking temperature distribution using thermal imaging camera

　　Waveform analysis: Detect switch node waveform to determine working status

　　Protection function test: Verify overcurrent, overvoltage, and overheating protection

　　System compatibility:Troubleshoot interactions with other components

　　Stage 4: System-level investigation

　　Timing analysis: Check whether the power sequence meets the requirements

　　Impedance matching: Verify load impedance characteristics

　　Ground quality: Check system ground integrity

　　EMI performance: Test electromagnetic compatibility performance

　　Vicor Power Application Best Practices

　　Design stage considerations：

　　early simulation: System performance prediction using Vicor simulation tools

　　Derating design: Follow official derating guidelines to ensure reliability

　　protection circuit: Well-designed input and output protection

　　test plan: Develop a comprehensive verification test plan

　　Installation and debugging：

　　Welding process: Follow the recommended soldering temperature profile

　　Installation direction: Determine the installation method according to the heat dissipation requirements.

　　Debugging sequence: Carry out system debugging according to standard procedures

　　Performance verification: Test system stability under extreme conditions

　　System optimization suggestions：

　　Layout optimization: Optimize PCB layout to reduce parasitic parameters

　　Material selection: Use recommended thermal management and EMI materials

　　Surveillance design: Real-time monitoring of power supply parameters

　　maintenance plan: Develop a preventive maintenance plan

　　Vicor Technical Support and Resources

Vicor provides comprehensive technical support resources:

　　Online design tools:Including tools for power architecture design, thermal simulation, etc.

　　Technical Documentation Library: Provide detailed data sheets and application notes

　　training resources: Regularly hold online seminars and technical training

　　Technical support: Professional engineers provide technical consultation and design review

　　Conclusion

Vicor AC-DC power supply solutions set new standards for high-end power applications with its innovative technology and excellent performance. By in-depth understanding of Vicor product features, following best design practices, and making full use of technical support resources, engineers can give full play to the technical advantages of Vicor power supplies and create competitive power systems.