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Equipment - Power Supplies (Test, Bench)

Image Part Number Description / PDF Quantity Rfq
PLH120

PLH120

AIMtti

PWR SUPP SNGL OUT 0-120V0-0.75A

0
PL601-P

PL601-P

AIMtti

PWR SUPP SNGL OUT 0-60V0-1.5A US

0
EL302RT

EL302RT

AIMtti

PWR SUPP TRIPLE OUT 0-30V0-2A PL

0
PL303QMT-P(G)

PL303QMT-P(G)

AIMtti

PWR SUPP TRIPLE 0-30V0-3A0-6V0-8

0
EL561R

EL561R

AIMtti

PWR SUPP SNGL OUT 0-56V0-1A

0
QL564 SII

QL564 SII

AIMtti

PWR SUPP SNGL OUT 0-56V0-4A *

0
EX355R

EX355R

AIMtti

PWR SUPP SNGL OUT 0-35V0-5A

2
PL303-P(G)

PL303-P(G)

AIMtti

PWR SUPP SNGL OUT 0-30V0-3A USBR

0
MX180TP

MX180TP

AIMtti

TRIPLE MULTI RANGE 375W COMBINED

1
EL303R

EL303R

AIMtti

PWR SUPP SNGL OUT 0-30V0-3A

0
MX100QP

MX100QP

AIMtti

PWR SUPP 4 OUT MULTI 420W LCD US

0
PL068

PL068

AIMtti

PWR SUPP SNGL OUT 0-6V0-8A

1
PLH250-P

PLH250-P

AIMtti

PWR SUPP SNGL OUT 0-250V0-0.375A

0
CPX400DP

CPX400DP

AIMtti

PWR SUPP TWIN 420W MAX 60V OR 20

0
EX2020R

EX2020R

AIMtti

PWR SUPP SNGL OUT 0-20V0-20A

1
EX354RT

EX354RT

AIMtti

PWR SUPP TRIPLE OUT 0-35V0-2A DU

1
QL355 SII

QL355 SII

AIMtti

PWR SUPP SNGL OUT 0-35V0-5A *

0
PL155-P(G)

PL155-P(G)

AIMtti

PWR SUPP SNGL OUT 0-15V0-5A USBR

0
MX100TP

MX100TP

AIMtti

PWR SUPP TRIPLE MULTI 315W USBRS

0
PLH250-P(G)

PLH250-P(G)

AIMtti

PWR SUPP SNGL OUT 0-250V0-0.0375

0

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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