1. Introduction
This manual provides essential information for the safe and effective use of the HI-Link HLK-PM01 AC-DC 220V to 5V Step-Down Power Supply Module. The HLK-PM01 is a compact, high-efficiency power module designed to convert AC input voltage (90-264V) to a stable 5V DC output. It is suitable for various applications requiring a small, reliable power source, such as intelligent household switch control devices.
2. Product Features
- Ultra-thin, subminiature design for space-constrained applications.
- Full voltage input range: 90 ~ 264 Vac.
- Low ripple and low noise output for stable power delivery.
- Integrated output overload and short circuit protection functions.
- High efficiency and power density.
- Designed to meet EMC and safety testing requirements.
- Low power consumption with no-load loss less than 0.1 W, promoting energy efficiency.
- 100% load tested for reliability.
- Vibration coefficient of 10 ~ 500 Hz, 2g/10min. / 1 Cycle, 60 Min. each along the X, Y, Z axes.
3. Safety Information
Please read and understand all safety instructions before installation and operation. Failure to follow these instructions may result in electric shock, fire, or other hazards.
- Electrical Hazard: This module operates with high AC voltages. Installation and handling should only be performed by qualified personnel. Ensure power is disconnected before making any connections.
- Insulation: Ensure proper insulation is maintained between AC input and other components, as well as between input and output.
- Temperature: The shell surface maximum temperature should not exceed 60 degrees Celsius during operation. Ensure adequate ventilation.
- Certifications: The product design aims to meet the requirements of UL and CE safety certifications. Users are advised to verify specific certifications for their intended application and region, as regulatory compliance can vary.
- Environment: Do not expose the module to moisture, extreme temperatures, or corrosive environments.
4. Product Overview
Figure 4.1: Top View. This image displays the top surface of the HLK-PM01 module, clearly showing the 'HI-Link' brand logo, input voltage range (100-240VAC), output specifications (5VDC, 0.6A, 3W), and part number (P/N: HLK-PM01). The AC input terminals and DC output terminals (+Vo, -Vo) are also labeled.
Figure 4.2: Angled View. An angled perspective of the HLK-PM01 module, providing a clearer view of the pin configuration for both AC input and DC output. This view helps in understanding the physical layout for integration into a circuit board.
Figure 4.3: Bottom View. This image shows the underside of the HLK-PM01 module, revealing the through-hole pins for soldering. The arrangement of these pins is critical for proper mounting and electrical connection to a PCB.
5. Specifications
| Parameter | Value |
|---|---|
| Model Name | HLK-PM01 |
| Input Voltage Range | 90 - 264 VAC |
| Output Voltage | 5 VDC |
| Output Current | 0.6 A |
| Output Power | 3 W |
| Frequency | 50-60 Hz |
| No-Load Loss | < 0.1 W |
| Dimensions (Approx.) | 35mm x 21mm x 16mm (L x W x H) |
| Item Weight | 0.02 Kilograms (0.634 ounces) |
| Cooling Method | Air |
| Operating Temperature | Shell surface max 60°C |
6. Setup and Installation
The HLK-PM01 module is designed for integration into electronic circuits, typically by soldering onto a Printed Circuit Board (PCB).
- Preparation: Ensure all power sources are disconnected before beginning installation. Gather necessary tools, including a soldering iron, solder, and appropriate safety gear.
- Pin Identification: Refer to Figure 4.1 and 4.2 for pin identification. The module has two AC input pins and two DC output pins (+Vo, -Vo).
- Mounting: Carefully align the module's pins with the corresponding holes on your PCB. Note that the pin spacing may not be compatible with standard 0.1" proto boards, requiring careful alignment or adaptation.
- Soldering: Solder the module's pins securely to the PCB. Ensure good solder joints for reliable electrical contact. Avoid excessive heat that could damage the module.
- Input Connection: Connect the AC input lines (90-264V) to the designated AC input pins. Ensure proper polarity if applicable, though AC input is typically non-polarized.
- Output Connection: Connect your load to the +Vo (positive) and -Vo (negative) DC output pins. Verify correct polarity for your connected device.
- Insulation and Clearance: After soldering, inspect for any short circuits or inadequate insulation, especially between the high-voltage AC input side and other parts of your circuit. Maintain sufficient clearance to prevent arcing.
- Final Check: Before applying power, perform a thorough visual inspection of all connections.
7. Operating Instructions
Once the HLK-PM01 module is correctly installed and connected, operation is straightforward:
- Apply Input Power: Connect the AC power source (within the 90-264V range) to the module's AC input terminals.
- Verify Output: The module will automatically convert the AC input to a stable 5V DC output. Use a multimeter to verify the 5V DC output at the +Vo and -Vo terminals before connecting sensitive loads.
- Connect Load: Connect your 5V DC compatible device or circuit to the output terminals. Ensure the total current draw of your load does not exceed 0.6A.
The module is designed for continuous operation within its specified parameters.
8. Maintenance
The HLK-PM01 module is designed for long-term, maintenance-free operation. However, periodic checks can help ensure optimal performance and longevity:
- Visual Inspection: Periodically inspect the module and its connections for any signs of physical damage, overheating (discoloration), or loose solder joints.
- Cleanliness: Keep the module free from dust, dirt, and debris, which can impede heat dissipation. Use a soft, dry brush or compressed air for cleaning.
- Environment: Ensure the operating environment remains within specified temperature and humidity ranges.
- Ventilation: Confirm that the module has adequate airflow, especially if enclosed, to prevent excessive heat buildup.
9. Troubleshooting
If the HLK-PM01 module is not functioning as expected, consider the following troubleshooting steps:
- No Output Voltage:
- Verify that the AC input power is present and within the 90-264V range using a multimeter.
- Check all input and output connections for proper soldering and continuity.
- Ensure there are no short circuits on the output terminals or connected load. The module has short circuit protection, which may temporarily shut down output.
- Incorrect Output Voltage:
- Measure the output voltage with a calibrated multimeter. If it deviates significantly from 5V, the module may be faulty or overloaded.
- Ensure the load current does not exceed the maximum rated 0.6A. Overloading can cause voltage drop or module shutdown.
- Overheating:
- Reduce the load if it is close to or exceeding 0.6A.
- Improve ventilation around the module.
- Verify ambient temperature is not excessively high.
- Module Not Powering On:
- Recheck all wiring for correct connections and polarity.
- Inspect for any visible damage to the module.
If issues persist after troubleshooting, contact the manufacturer or seller for further assistance.
10. Warranty and Support
Specific warranty details for the HI-Link HLK-PM01 module may vary depending on the seller and region of purchase. Please refer to your purchase documentation or contact your retailer for information regarding warranty coverage.
For technical support or inquiries not covered in this manual, please contact the HI-Link customer support or your product supplier. When contacting support, please provide your product model (HLK-PM01) and a detailed description of the issue.
