1. Úvod
The OWON SPE Series Programmable DC Power Supply is a single-channel switching power supply designed for a wide range of applications. It features a compact body, high resolution, low ripple and noise, and comprehensive protection mechanisms. This manual provides detailed instructions for the safe and efficient operation of your device.
Klíčové vlastnosti:
- Kompaktní a přenosný design
- High resolution: 10mV / 1mA
- List waveform editing output, supporting 10 groups of timing output
- Low ripple and noise for stable output
- Přes VoltagOchrana proti přepětí (OVP) a nadproudová ochrana (OCP)
- Výstupní objemtage and current curve monitoring function
- Intelligent temperature control fan cooling for reduced noise
- 2.8-inch TFT LCD display for clear information
- USB Device interface for PC programming and SCPI support
2. Bezpečnostní informace
Please read and understand all safety instructions before operating the device. Failure to follow these instructions may result in electric shock, fire, or personal injury.
- Vždy připojujte napájecí zdroj do uzemněné zásuvky.
- Neprovozujte zařízení ve vlhku nebo damp podmínky.
- Neotevírejte zařízení casing; servis svěřte kvalifikovanému personálu.
- Zajistěte správné větrání, aby nedošlo k přehřátí.
- Ověřte svtage and current settings before connecting to a load.
3. Konec produktuview
3.1 Přední panel

Figure 3.1: Front Panel Layout (SPE3103 model shown)
- 2.8-inch LCD: Zobrazuje svtage, current, power, status, and settings.
- Shortcut output button: Long press to enter the List waveform timing output interface.
- svtage setting button (V): Upravuje hlasitost výstuputage.
- Current setting button (I): Upravuje výstupní proud.
- Přepětítage protection setting (OVP): Configures overvoltage limit.
- Overcurrent protection setting (OCP): Configures overcurrent limit.
- Tlačítko displeje: Toggles curve display.
- Tlačítko paměti: Accesses saved settings.
- Nastavovací knoflík: Used for navigating menus and adjusting values.
- Tlačítko zapnutí/vypnutí: Controls channel output. Long press to turn on the automatic output function.
- Front USB port (5V/1A for SPE series, 18W for SPE-U series): Supports fast charging protocols (QC 2.0, QC 3.0, BC 1.2).
- Channel output terminals: Red (+) and Black (-) for main power output, Green for ground.
3.2 Zadní panel

Obrázek 3.2: Rozložení zadního panelu
- Intelligent temperature control fan: Provides cooling and reduces noise.
- Power cord socket: Connects the device to mains power.
- pojistka: Overcurrent protection for the device.
- Vypínač: Zapíná/vypíná zařízení.
- USB Device communication port: Supports PC programming and SCPI commands.
3.3 Rozměry

Obrázek 3.3: Rozměry zařízení
The device measures approximately 82mm (width) x 142mm (height) x 226mm (depth) and weighs approximately 1.5kg.
4. Specifikace
The instrument must be operated continuously for more than 30 minutes at the specified temperature to ensure the following parameters.
| Model | SPE3051(U) | SPE3102(U) | SPE6102(U) | SPE6053(U) | SPE3103(U) | SPE6103(U) | |||
|---|---|---|---|---|---|---|---|---|---|
| Kanál | Single Channel Output | ||||||||
| Celkový výstupní výkon | 150W | 200W | 300W | ||||||
| Rated Output (0℃-40℃) | svtage | 0 - 30V | 0 - 30V | 0 - 60V | 0 - 60V | 0 - 30V | 0 - 60V | ||
| Proud | 5A | 10A | 10A | 5A | 10A | 10A | |||
| Moc | 150W | 200W | 200W | 300W | 300W | 300W | |||
| USB výstup | 5V/1A (SPE series) or 18W output, for fast charging under QC 2.0, QC 3.0, BC 1.2, and mainstream quick charging protocols (SPE-U series) | ||||||||
| Regulace zatížení | svtage | ≤ 30 mV | |||||||
| Proud | ≤20 mA | ||||||||
| Regulace výkonu | svtage | ≤ 30 mV | |||||||
| Proud | ≤20 mA | ||||||||
| Nastavení rozlišení | svtage | 10mV | |||||||
| Proud | 1 mA | ||||||||
| Rozlišení zpětného čtení | svtage | 10mV | |||||||
| Proud | 1 mA | ||||||||
| Nastavení přesnosti | svtage | ≤ 0.1 % ± 20 mV | ≤ 0.1 % ± 30 mV | ≤ 0.1 % ± 20 mV | ≤ 0.1 % ± 30 mV | ||||
| Proud | ≤0.1% ± 10mA | ||||||||
| Přesnost zpětného čtení | svtage | ≤ 0.1 % ± 20 mV | ≤ 0.1 % ± 30 mV | ≤ 0.1 % ± 20 mV | ≤ 0.1 % ± 30 mV | ||||
| Proud | ≤0.1% ± 10mA | ||||||||
| Ripple/Noise(*) | svtage(Vp-p) | ≤30 mVp-p | ≤50 mVp-p | ≤30 mVp-p | ≤50 mVp-p | ||||
| svtage (rms) | ≤3 mVrms | ≤5 mVrms | ≤3 mVrms | ≤5 mVrms | |||||
| Proud | ≤30mAp-p | ||||||||
| Output temperature coefficient (0℃-40℃) | svtage | 100 ppm/℃ | |||||||
| Proud | 200 ppm/℃ | ||||||||
| Readback temperature coefficient | svtage | 100 ppm/℃ | |||||||
| Proud | 200 ppm/℃ | ||||||||
| Response Time (50%-100% rated load) | ≤1.0 ms | ||||||||
| Skladování | 4 skupin dat | ||||||||
| Pracovní teplota | 0-40 ℃ | ||||||||
* Noise bandwidth 20MHz, ripple bandwidth 1MHz, connect 10uF electrolytic capacitor in parallel with 0.1uF ceramic capacitor to the output terminal for testing. The above parameters are subject to change without further notice, please refer to the website update.
5. Nastavení
5.1 Připojení napájení
- Ujistěte se, že je vypínač na zadním panelu v poloze VYPNUTO.
- Connect the provided power cord to the power cord socket on the rear panel.
- Zapojte druhý konec napájecího kabelu do uzemněné zásuvky střídavého proudu.
5.2 Output Terminal Connection
- Connect the red test lead to the red (+) output terminal and the black test lead to the black (-) output terminal.
- Connect the other ends of the test leads to your load. Ensure correct polarity.
- For safety, ensure all connections are secure before powering on the device or enabling output.
5.3 USB Connection (for PC Programming)
- Connect a USB cable from the USB Device communication port on the rear panel to your computer.
- Install the necessary drivers and software provided by OWON for PC programming and SCPI communication.
6. Návod k obsluze
6.1 Základní obsluha
- Zapněte vypínač na zadním panelu.
- Press the 'On/Off' button on the front panel to enable or disable the output. The display will show 'ON' or 'OFF'.
- Chcete-li nastavit objtage, press the 'V' button. Use the adjustment knob to change the value. Press the knob to confirm.
- To set the current, press the 'I' button. Use the adjustment knob to change the value. Press the knob to confirm.
6.2 Constant Power Design
The SPE series features a constant power design, allowing for a wide application range by providing flexible configuration of higher voltage or larger current within the rated power range. For example, a 300W power supply can deliver 30V/10A or 60V/5A.

Figure 6.1: Constant Power Design Example (SPE6103)
6.3 Výstupní objemtage and Current Curve Monitoring
The device can monitor and display the readback voltage and current situation over a period of time, which is useful for applications like battery charging, aging tests, and phone repair.
- Press the 'Display' button to switch to the curve monitoring interface.
- Sledujte objem v reálném časetage and current curves on the 2.8-inch TFT LCD.
Video 6.1: Demonstration of Output Voltage and Current Curve Monitoring
6.4 Memory Shortcut Parameters
The device allows you to save and quickly recall up to 4 groups of frequently used settings.
- Press the 'Memory' key to enter the memory settings interface.
- Use the 'V', 'I', 'OVP', 'OCP' keys and the adjustment knob to set the desired parameters for each memory group (M1-M4).
- After setting, long press the knob to output the setting value.
6.5 List Waveform Editing Timing Output
The device supports editing and outputting up to 10 groups of list waveforms with timing control.
- Long press the 'Memory' key to enter the list waveform editing interface.
- Use the 'V', 'I', 'OVP', 'OCP' keys and the adjustment knob to set the voltage, current, and timing for each step (1-10).
- After setting the current group, wait for 1 second before selecting other groups for setting.
- After setting all groups, long press the knob to enable the waveform output. A prompt will be displayed at the upper right of the screen.
6.6 Přes svtagOchrana proti přepětí (OVP) a nadproudová ochrana (OCP)
These features protect your circuit from damage due to excessive voltage nebo aktuální.
- Press the 'OVP' button to set the overvoltage protection limit. Use the adjustment knob to set the value.
- Press the 'OCP' button to set the overcurrent protection limit. Use the adjustment knob to set the value.
- Když je výstup objtage or current exceeds the preset limit, the power supply will automatically shut down the output to protect the connected load.
6.7 Konstantní svtage (CV) / Constant Current (CC) Mode
The power supply intelligently switches between Constant Voltage (CV) and Constant Current (CC) modes to effectively protect the circuit.
- CV Mode: Výstupní objemtage remains constant at the set value, while the current varies depending on the load.
- Režim CC: The output current remains constant at the set value, while the voltage varies depending on the load.
- When the actual current exceeds the preset current value, the power supply automatically switches to CC mode to protect the circuit.
7. Údržba
- Čištění: K čištění vnější strany zařízení používejte měkký, suchý hadřík. Nepoužívejte abrazivní čisticí prostředky ani rozpouštědla.
- Větrání: Ensure the fan vents on the rear panel are clear of obstructions to allow for proper airflow and prevent overheating.
- Skladování: Přístroj skladujte na chladném a suchém místě mimo dosah přímého slunečního záření a extrémních teplot.
- Výměna pojistky: If the fuse blows, replace it with a fuse of the same type and rating as specified on the rear panel. Refer to qualified personnel if unsure.
8. Řešení problémů
8.1 Bez napájení
- Check if the power cord is securely connected to both the device and the power outlet.
- Ensure the power switch on the rear panel is in the 'ON' position.
- Ověřte, zda je elektrická zásuvka funkční.
- Check the fuse on the rear panel. If blown, replace it with a new one of the correct rating.
8.2 No Output
- Ensure the 'On/Off' button on the front panel is pressed to enable output.
- Zkontrolujte, zda se aktivoval OVP nebo OCP. Upravte limity nebo vymažte chybový stav.
- Ověřte, zda jsou výstupní svorky správně připojeny k zátěži.
- Ujistěte se, že nastavený objemtage and current values are appropriate for the load.
8.3 Unstable Output
- Check for loose connections in the output circuit.
- Ensure the load is within the specified operating range of the power supply.
- Verify that the ambient temperature is within the operating range (0-40°C).
9. Uživatelské tipy
- For precise measurements, allow the device to warm up for at least 30 minutes before use.
- Utilize the memory function to quickly switch between frequently used voltaga aktuální nastavení pro různé projekty.
- When working with sensitive circuits, always set OVP and OCP limits slightly above your expected operating values to prevent accidental damage.
- The curve monitoring function is excellent for observing transient behavior or battery charging cycles.
10. Záruka a podpora
For warranty information, technical support, or service inquiries, please contact your local OWON distributor or the seller. Keep your purchase receipt as proof of purchase.
11. Příslušenství
The following accessories are typically included with your OWON SPE Programmable DC Power Supply:
- Power Supply Main Device
- Uživatelská příručka
- Napájecí kabel
- USB kabel
- Test Leads (optional, may vary by package)

Figure 11.1: Product Accessories (Test Leads may be optional)





