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Equipment - Power Supplies (Test, Bench)

Image Part Number Description / PDF Quantity Rfq
9123A

9123A

B&K Precision

POWER SPLY 0-30V 0-5A PROGAM

16
1900B

1900B

B&K Precision

1-16V, 60A SWITCHING DC POWER SU

19
1621A

1621A

B&K Precision

POWER SUPPLY 0-18V 0-5A 220W

22
9110

9110

B&K Precision

PWR SUPPLY 100W MULTI 60V/5A DC

58
1900

1900

B&K Precision

POWER SUPPLY 1-16V 60A SWITCH DC

0
9832

9832

B&K Precision

2000 VA AC POWER SOURCE

3
9832B

9832B

B&K Precision

2000 VA AC POWER SOURCE

4
1692-220V

1692-220V

B&K Precision

POWER SUPPLY 3-15VDC 40A 220VAC

0
XLN3640

XLN3640

B&K Precision

PWR SUPP PROGRAMABLE DC 36V/40A

7
1902

1902

B&K Precision

POWER SUPPLY 1-60V 15A SWITCH DC

0
1673

1673

B&K Precision

PWR SUPPLY 0-32V 0-6A TRIPLEOUT

10
9801

9801

B&K Precision

AC POWER SOURCE 300VA

11
1786B

1786B

B&K Precision

POWER SUPPLY DGTL PROGRAM 0-32V

52
9182B

9182B

B&K Precision

DC PWR SUPL 0-10V 20A/0-20V 10A

8
XLN10014-GL

XLN10014-GL

B&K Precision

POWER SUPPLY PROGRAM DC 100V/14A

0
9115-AT

9115-AT

B&K Precision

AC/DC CNV 80V/60A/1200W W/ATMTV

0
9122

9122

B&K Precision

POWER SPLY 0-60V 0-2.5A PROGRAM

0
9122A

9122A

B&K Precision

POWER SPLY 0-60V 0-2.5A PROGRAM

13
9181B

9181B

B&K Precision

DC PWR SUPPLY 0-18V 8A/0-36V 4A

8
MR25080

MR25080

B&K Precision

250V/80A/5KW MULTI-RANGE PROGRAM

5

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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