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Equipment - Power Supplies (Test, Bench)

Image Part Number Description / PDF Quantity Rfq
1685B

1685B

B&K Precision

POWER SUPPLY DC SW 1-60V 5A

24
9115

9115

B&K Precision

AC/DC CONVERTER 80V 60A 1200W

0
9121A

9121A

B&K Precision

PWR SUP SNG OUTPUT PROG 20V 5A

1
MR50040

MR50040

B&K Precision

500V/40A/5KW MULTI-RANGE PROGRAM

2
XLN60026

XLN60026

B&K Precision

PWR SUPP PROGRAM DC 5-600V 1560W

9
XLN8018

XLN8018

B&K Precision

PWR SUPP PROGRAMABLE DC 80V/18A

1
9121

9121

B&K Precision

POWER SUPPLY 0-20V 0-5A PROGRAM

0
9183

9183

B&K Precision

DC PWR SUPPLY 0-35V 6A/0-70V 3A

0
1901B

1901B

B&K Precision

1-30V, 30A SWITCHING DC POWER SU

3
1550-220V

1550-220V

B&K Precision

PWR SPLY 36V 0-3A W/USB 220V-IN

24
1790

1790

B&K Precision

POWER SPLY DC LINEAR 0-32V 0-20A

0
1697

1697

B&K Precision

POWER SUPPLY DC SWITCHER 1-40V

0
1688B

1688B

B&K Precision

POWER SUPPLY DC SW 1-18V 20A

60
XLN30052-GL

XLN30052-GL

B&K Precision

PWR SUPP PROGRAM DC 5-300V 1560W

0
1670A

1670A

B&K Precision

POWER SUPPLY 30V 3A TRPL-OUT

31
9130B

9130B

B&K Precision

DC POWER SUPPLY 30V/3A 5V/3A

76
1901B-220V

1901B-220V

B&K Precision

1-30V, 30A SWITCHING DC POWER SU

8
XLN30052

XLN30052

B&K Precision

PWR SUPP PROGRAM DC 5-300V 1560W

13
1787B

1787B

B&K Precision

POWER SUPPLY DGTL PROGRAM 0-72V

0
9129B

9129B

B&K Precision

TRIPLE OUT DC PS 30V/3A 5V/3A

19

Equipment - Power Supplies (Test, Bench)

1. Overview

Bench power supplies are adjustable DC or AC power sources designed for testing, troubleshooting, and development in electronic engineering. They provide stable, precise, and controllable electrical power to devices under test (DUTs) in laboratory, production, and field service environments. Their importance lies in ensuring product reliability, validating circuit performance, and supporting R&D workflows across industries.

2. Major Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Linear Power SuppliesLow noise, high stability, fast transient responseLaboratory testing of analog circuits
Switching Power SuppliesHigh efficiency (>80%), wide input range, compact sizeAutomated production line testing
Programmable Power SuppliesComputer-controlled output, waveform generation, data loggingAutomotive electronics validation
Multi-channel Power SuppliesIndependent voltage/current control for multiple outputsTesting IoT devices with multiple rails

3. Structure and Components

Typical bench power supplies include:

  • Metallic enclosure with ventilation slots
  • AC/DC power module (linear/regenerative topology)
  • Control panel with digital/analog interfaces
  • Output terminals (banana jacks, binding posts)
  • Active cooling system (fan/heat sink)
  • Communication ports (USB/LAN/GPIB)

4. Key Technical Specifications

ParameterDescriptionImportance
Output Voltage Range0-200V (single/multi-range options)Determines compatibility with DUT requirements
Current Resolution1mA-10 A precisionImpacts test accuracy for low-power devices
Load Regulation<0.01% change under varying loadEnsures stable output during dynamic testing
Ripple & Noise<3mVpp @ 20MHz bandwidthCritical for sensitive analog circuit testing
Transient Response Time10-100 s recovery timeMeasures stability during sudden load changes

5. Application Fields

  • Electronics manufacturing (IC testing, PCB validation)
  • Telecom equipment (5G base station power simulation)
  • Automotive R&D (ECU power cycling tests)
  • Aerospace (avionics power quality analysis)
  • Educational labs (student project prototyping)

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
Keysight TechnologiesN6700 Modular Power SystemHot-swappable modules, 16-bit resolution
Teledyne LeCroyTS-8080800W regenerative AC/DC source
Siglent TechnologiesSPD1168X16-bit touchscreen control, list mode
Chroma Systems62000P SeriesGrid simulation, energy recovery

7. Selection Recommendations

Key considerations:

  • Match output specs to DUT's maximum power requirements
  • Choose appropriate control interface (analog/digital)
  • Assess thermal management needs for continuous operation
  • Prioritize calibration features for traceable measurements

Example: For battery simulation applications, select a bidirectional power supply with dynamic profiling capabilities.

8. Industry Trends

Current development trends include:

  • Integration of AI-based predictive maintenance
  • Higher power density (3-5W/cm ) through GaN technology
  • Adoption of PMBus for smart power system management
  • Expansion of 800V DC test capabilities for EV applications
  • Cloud-connected power supplies for remote monitoring

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