August 29, 2026 – The UNI-T UDP5000 series is a high-power family of programmable DC switching power supplies designed for demanding laboratory, production, automotive, EV, energy-storage, and automated test applications. Covering power levels from 400 W to 2 kW and output voltages from 40 V to 800 V, the series provides a broad selection of voltage and current combinations, with current capability reaching up to 200 A. All models combine programmable output control, auto-ranging operation, List Mode sequencing, source-emulation capabilities, comprehensive protection functions, and remote control through LAN and USB.
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High-Power DC Output with Flexible Auto-Ranging
The UDP5000 family is built around a single-channel programmable architecture that automatically adjusts the voltage and current operating point within the rated power envelope. This gives engineers greater flexibility than a conventional fixed-range power supply because the available current changes according to the selected output voltage while remaining within the instrument’s maximum power rating.
The family spans five voltage classes—40 V, 80 V, 160 V, 250 V, and 800 V—and four power levels—400 W, 800 W, 1200 W, and 2000 W. This results in 20 configurations designed to address applications ranging from general-purpose DC testing to high-voltage EV, battery, energy-storage, and solar-inverter development.
Key Features of the UDP5000 Series:
- 400 W to 2 kW Output Power
Select from four power levels to match the requirements of laboratory, production, and system-level testing. - 40 V to 800 V Output Range
Five voltage classes provide configurations for low-voltage electronics through high-voltage energy and automotive applications. - Up to 200 A Output Current
The 40 V/2 kW UDP5040-200 provides up to 200 A for high-current battery, automotive, and power-electronics testing. - Auto-Ranging Output
Dynamically use the available power across the rated voltage/current envelope instead of being limited to a fixed output combination. - Low-Ripple Output
The 40 V models provide ripple as low as 50 mV p-p, while higher-voltage configurations maintain controlled ripple performance appropriate to their output range. - CC/CV Priority Modes
Select voltage-first or current-first startup behavior for greater control when powering sensitive devices under test. - Programmable List Mode
Create automated voltage/current sequences with up to 128 programmable steps, adjustable dwell times, and repeated or continuous cycles. - Battery, Fuel-Cell, and Solar Source Emulation
Adjustable internal resistance allows the supply to reproduce characteristics of different real-world power sources. - LAN and USB with SCPI Control
Integrate the supply into automated test systems, LabVIEW, Python-VISA, and other standard instrument-control environments.
20 Models for a Broad Range of Applications
The UDP5000 family gives engineers considerable flexibility when selecting an output configuration. The 20-model lineup combines five voltage classes with four power levels.
The available voltage classes are:
- 40 V — up to 200 A
- 80 V — up to 100 A
- 160 V — up to 40 A
- 250 V — up to 30 A
- 800 V — up to 10 A
Within each voltage class, engineers can select 400 W, 800 W, 1200 W, or 2000 W configurations, allowing the power supply to be matched closely to the required test conditions.
This broad selection makes it possible to use the same platform family across different test stations and applications while selecting only the voltage and power combination required for each system.
Auto-Ranging for Maximum Output Flexibility
A key advantage of the UDP5000 architecture is its auto-ranging output. Rather than restricting the instrument to one fixed voltage/current operating point, the supply can deliver different voltage and current combinations within its rated power envelope.
For example, the 2 kW UDP5040-200 can provide up to 40 V and 200 A, while the 2 kW UDP5250-30 provides up to 250 V and 30 A. This allows engineers to configure the output according to the requirements of the device under test without changing to a different power-supply class for every operating condition.
Auto-ranging is particularly useful for applications where a DUT requires significantly different voltage and current conditions during startup, normal operation, and transient testing.
High-Current Testing up to 200 A
The UDP5000 series includes configurations specifically designed for high-current applications. The UDP5040-120 provides 40 V and 120 A at 1200 W, while the UDP5040-200 reaches 200 A at 2000 W.
These high-current models are well suited to battery testing, automotive electronics, DC bus testing, power-converter development, and other applications where substantial current must be delivered with controlled and programmable output.
Front and rear output terminals provide flexibility when integrating the supply into bench or system-level setups. The high-current models also support multi-unit configurations for applications requiring additional output capability.
High-Voltage Configurations up to 800 V
At the opposite end of the range, the UDP5000 family extends to 800 V through the UDP5800 series. The 800 V configurations are intended for applications such as electric-vehicle systems, energy storage, solar inverters, and other high-voltage power electronics.
The UDP5800 models are available in 400 W, 800 W, 1200 W, and 2000 W configurations, with output currents ranging from 2 A to 10 A depending on the model.
This high-voltage capability makes the UDP5000 a versatile platform for engineers working with modern electrification technologies, where test voltages increasingly exceed the limits of traditional laboratory power supplies.
Programmable List Mode for Automated Test Sequences
The UDP5000 includes List Mode for creating programmable voltage and current sequences. Up to 128 voltage/current/dwell steps can be configured, with dwell times ranging from 1 to 9,999 seconds and support for repeated or infinite cycles.
This function allows engineers to automate complex power profiles without continuously controlling the instrument from an external computer.
For example, a test sequence can simulate startup behavior, load changes, voltage transitions, charging cycles, or other repeatable power conditions. Once programmed, the sequence can run independently, simplifying both laboratory characterization and production testing.
Source Emulation for Batteries, Fuel Cells, and Solar Systems
The UDP5000 also includes adjustable internal resistance, enabling engineers to emulate the behavior of real-world power sources. Internal resistance can be adjusted up to 0.20 Ω on the documented 40 V/2 kW configuration.
This feature is particularly useful when a conventional constant-voltage source does not accurately reproduce the behavior of the source being modeled.
Battery, fuel-cell, and solar-source emulation can help engineers evaluate how a device behaves when its supply voltage changes in response to current demand. This is valuable in power-management development, inverter testing, charging-system validation, and energy-system research.
CC/CV Priority Modes for DUT Protection
The UDP5000 provides selectable constant-current and constant-voltage priority behavior. Engineers can choose whether the supply should prioritize voltage or current during the transition into regulation.
This provides additional control when powering sensitive or dynamic devices under test.
For example, current-priority startup can help limit initial current during certain test conditions, while voltage-priority operation can provide a more conventional regulated supply response. The ability to configure this behavior gives engineers another tool for developing controlled and repeatable test procedures.
Low-Ripple Output for Precision Testing
The UDP5000 is designed to provide controlled output ripple for demanding electronic testing. The 40 V models can achieve voltage ripple of 50 mV p-p, while the higher-voltage models use appropriately scaled ripple specifications.
Low ripple is particularly important when powering sensitive analog, digital, RF, and mixed-signal circuits, where unwanted supply variation can influence measurement results or device behavior.
For power-electronics development, controlled ripple also makes it easier to distinguish disturbances generated by the DUT from variations originating from the external power source.
Comprehensive Protection Functions
The UDP5000 incorporates protection features intended to safeguard both the power supply and the connected device. Programmable output control can be combined with protection mechanisms to help manage abnormal voltage, current, and thermal conditions during testing.
The platform is therefore suited to automated environments where test sequences may run for extended periods with limited operator supervision.
Protection and programmable control are especially important in production test systems, where an unexpected DUT fault should not unnecessarily damage the power source or interrupt an entire test sequence.
Multi-Unit Series and Parallel Operation
For applications requiring greater output voltage or current than a single unit can provide, UDP5000 supplies can be combined in series or parallel configurations. The documented platform supports up to two units in parallel or two units in series.
Parallel operation can be used to increase available current, while series operation can increase the available voltage.
The master-unit architecture allows the combined configuration to be controlled from the master supply or through a single SCPI connection, simplifying system integration.
Remote Control and Automated Test Integration
The UDP5000 includes USB and Gigabit LAN connectivity with SCPI 1999.0 and IEEE-488.2 support. This allows engineers to integrate the power supply with LabVIEW, Python-VISA, and other standard automated-test frameworks.
Remote control makes the UDP5000 particularly well suited to automated production testing, laboratory characterization, burn-in systems, and long-duration validation.
For engineers developing custom test software, SCPI control provides a standardized method for configuring output voltage and current, monitoring measurements, executing sequences, and collecting test data.
Large Touchscreen Interface
The UDP5000 series features an 8-inch touch display, providing a clear interface for configuring and monitoring output conditions.
The display provides direct access to key output information and control functions, making the instrument practical for both manual bench use and system-level installations.
For automated systems, the touchscreen can serve as a convenient local status display while the primary control is handled remotely through LAN or USB.
Discharge Control for Faster Test Transitions
The UDP5000 includes discharge-load control to help rapidly bleed down the output after a test or when the output voltage needs to be changed.
This can be useful in automated test environments where test cycles require repeated transitions between different voltage conditions.
Faster controlled discharge can also improve test throughput by reducing the time spent waiting for a connected capacitive load or DC bus to return to a safe voltage.
Choosing the Right UDP5000 Model
Selecting the right UDP5000 configuration starts with the maximum voltage required by the device under test and then determines the power and current requirements.
The 40 V family is ideal for high-current applications, with the 2000 W UDP5040-200 providing up to 200 A. These models are well suited to low-voltage power electronics, automotive systems, batteries, and high-current DC testing.
The 80 V family extends the range for applications requiring higher DC voltage while still offering substantial current capability. The 160 V models provide a useful middle ground for power electronics, industrial systems, and higher-voltage DC testing.
The 250 V family is suitable for applications such as power conversion and higher-voltage electronic systems, while the 800 V UDP5800 family is specifically positioned for modern high-voltage applications including EV systems, energy storage, and solar-inverter testing.
Within each voltage class, the 400 W, 800 W, 1200 W, and 2000 W versions allow engineers to select the required power level without oversizing the instrument.
Ideal Applications
The UDP5000 series is designed for a broad range of professional power-testing applications.
For EV and battery development, the high-current 40 V models and high-voltage 800 V models provide configurations for different stages of electrification-system testing. Programmable sequences and source-emulation functions allow engineers to reproduce controlled operating conditions.
For solar and energy-storage systems, the 800 V models provide the voltage range needed for high-voltage DC development, while List Mode and remote control support automated testing.
In power-electronics development, programmable voltage/current output, low ripple, CC/CV priority modes, and source emulation provide a flexible platform for evaluating converters, regulators, inverters, and other power systems.
For automated test equipment and manufacturing QA, LAN/USB connectivity, SCPI control, List Mode, and multi-unit operation make it possible to integrate the supply into repeatable automated test sequences.
The UDP5000 is also well suited to laboratory research, burn-in testing, component validation, DC bus testing, embedded-system development, and production power testing.
A Scalable Platform for High-Power Testing
The UDP5000 family provides a consistent control and feature set across 20 configurations. Rather than requiring engineers to move between unrelated power-supply platforms as voltage or power requirements change, the series provides a scalable architecture covering 400 W through 2 kW and 40 V through 800 V.
This common platform can simplify laboratory standardization, automated-test development, operator training, and replacement planning.
With programmable sequences, source emulation, remote SCPI control, and series/parallel operation, the UDP5000 is designed not simply as a source of DC power, but as an integrated programmable stimulus platform for advanced test systems.
Availability and Support
The UDP5000 Series High-Power Programmable DC Switching Power Supplies is available through authorized UNI-T distributors. The current UNI-T US collection includes 20 configurations covering 400 W, 800 W, 1200 W, and 2000 W power levels across 40 V, 80 V, 160 V, 250 V, and 800 V output classes. Current inventory varies by model, with several configurations listed as in stock and others backordered with lead times available from UNI-T.
UDP5000 models are backed by UNI-T’s 3+2 Year Warranty, providing three years of standard coverage plus two additional years when the product is registered.
For detailed specifications, pricing information, configuration recommendations, or lead-time information, visit the UDP5000 product collection or contact your local UNI-T representative.
About UNI-T
UNI-T is a leading manufacturer of precision test and measurement equipment, providing innovative solutions for electronic design, manufacturing, service, and educational applications. With over 20 years of experience in the test and measurement industry, UNI-T continues to develop instruments that help engineers and technicians work more efficiently and effectively. The company maintains research and development centers in Asia, Europe, and North America, ensuring cutting-edge technology and responsive customer support worldwide.
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