FNIRSI® DPS-150 Mini DC Adjustable CNC Programmable Regulated Switching Power Supply
The FNIRSI® DPS-150 is a compact digitally controlled DC power supply created to deliver a stable and adjustable source for electronic work. Its desktop design combines a viewing area, arranged controls, and a portable enclosure that occupies minimal space. The interface presents operating information in an organized format, helping users understand the condition of the supply and the connected load at a glance.
Designed around straightforward adjustment, the DPS-150 allows the desired output to be prepared before power is applied to the connected device. Its control layout supports quick changes as well as careful fine tuning, while the screen provides continuous visual feedback throughout operation. The instrument maintains regulated behavior as load demands change, giving the user control during procedures that require a predictable source.
The unit can operate independently from its front panel or as part of a computer-managed workspace. Its software-oriented design supports organized control, observation, and repeatable output routines without making operation complicated. Compact construction, accessible terminals, and a clear status interface make the DPS-150 easy to integrate into an electronics workspace. It provides a reliable balance between portability, digital control, and dependable regulated power for users who need a flexible bench supply in a smaller format.
Features:
- Adjustable regulated DC output.
- Constant-voltage and constant-current operating modes.
- Compact and portable desktop design.
- Supports DC, USB Type-C PD, and QC input power sources.
- Clear color display with numerical and waveform interfaces.
- Real-time voltage, current, power, temperature, and operating-status display.
- Output capacity, energy, and operating-time monitoring.
- Six programmable voltage and current preset groups.
- Front adjustment wheel for convenient parameter control.
- Independent output run and pause control.
- Control-panel locking function.
- Adjustable overvoltage protection.
- Adjustable overcurrent protection.
- Adjustable overpower protection.
- Adjustable overtemperature protection.
- Adjustable undervoltage protection.
- Reverse input and reverse output protection.
- Automatic output shutdown during abnormal operating conditions.
- Audible alarm for detected protection events.
- PC software control and monitoring.
- Programmable sequential output operation.
- Automatic voltage sweep function.
- Automatic current sweep function.
- Voltage and current waveform recording.
- Chinese and English interface languages.
- Selectable regular and industrial display themes.
- Adjustable display brightness and sound volume.
- Firmware upgrade support.
Specifications:
| Specification | Details |
|---|---|
| Product Type: | Programmable Regulated DC Switching Power Supply |
| Brand: | FNIRSI® |
| Model: | DPS-150 |
| Operating Type: | Step-Down DC Power Supply |
| Input Voltage: | DC 5.0–32V |
| Recommended Input Range: | DC 5–30V |
| Input Current: | 100mA–5A |
| Supported Input Methods: | DC Adapter, USB Type-C PD, QC Fast Charger and Power Bank |
| Output Voltage: | 0–30V |
| Output Current: | 0–5A |
| Maximum Output Power: | 150W |
| Output Modes: | Constant Voltage and Constant Current |
| Voltage Setting Resolution: | 10mV / 0.01V |
| Current Setting Resolution: | 1mA / 0.001A |
| Voltage Setting Accuracy: | ≤0.1% ±5mV |
| Current Setting Accuracy: | ≤0.1% ±3mA |
| Input Voltage Readback Accuracy: | ≤0.2% ±5mV |
| Output Voltage Readback Accuracy: | ≤0.1% ±10mV |
| Output Current Readback Accuracy: | ≤0.1% ±5mA, Within 0–3.5A |
| Load Regulation: | 0.49% |
| Full-Load Efficiency: | 96.30% |
| Display: | 2.8-Inch Color Screen |
| Display Resolution: | 320 × 240 Pixels |
| Preset Groups: | 6 Groups |
| Output Voltage Setting on Interface: | 0.00–30.00V |
| Output Current Setting on Interface: | 0.000–5.100A |
| Energy Monitoring: | Ah and Wh |
| Time Monitoring: | Supported |
| Temperature Monitoring: | Supported |
| Overvoltage Protection Range: | 0–30.00V |
| Overcurrent Protection Range: | 0–5.1A |
| Overpower Protection Range: | 0–150W |
| Overtemperature Protection Range: | 0–99°C |
| Undervoltage Protection Range: | 0–30V |
| Additional Protection: | Reverse Input and Reverse Output Protection |
| PC Software Functions: | Remote Control, Waveform Display, Sequential Output, Voltage Sweep and Current Sweep |
| Voltage Sweep Range: | 0.00–30.00V |
| Voltage Sweep Step Range: | 0.01–30.00V |
| Current Sweep Range: | 0.000–5.000A |
| Current Sweep Step Range: | 0.001–5.000A |
| Sweep Delay Range: | 1–86400 Seconds |
| Output Connector: | Positive and Negative 4mm Banana Terminals |
| PC Data Interface: | Micro-USB |
| Display Languages: | Chinese and English |
| Display Themes: | Regular and Industrial |
| Operating Temperature: | 0–40°C |
| Operating Humidity: | 0–75% RH |
| Product Dimensions: | 106 × 76 × 28mm |
| Product Weight: | Approximately 178g |
Applications:
- Electronics Circuit Development.
- PCB Testing.
- Electronics Repair.
- Laboratory Power Supply.
- Product Prototyping.
- Component Testing.
- LED Testing.
- Motor Testing.
- Sensor Testing.
- Microcontroller Projects.
- Arduino Projects.
- Raspberry Pi Projects.
- Battery Charging Experiments.
- Voltage Sweep Testing.
- Current Sweep Testing.
- Production Line Testing.
- Technical Education.
- Research and Development.
- Portable Field Maintenance.
- DIY Electronics Projects.
Package Contents:
- 1x FNIRSI DPS-150 Power Supply
- 1x Red Alligator Clip Wire
- 1x Black Alligator Clip Wire
- 1x Micro-USB Data Cable
- 1x User Manual
- 1x Packing Box














