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Leyu’s LRS-75-24 switching power supply employs dual-phase interleaved LLC topology with SiC (Silicon Carbide) diodes, achieving 95% peak efficiency while solving three critical industry pain points:
Transient Overload Handling: 150% peak load capacity for 5 seconds (IEC 61000-4-34 compliant)
EMI Suppression: <30dBμV quasi-peak EMI emissions between 150kHz–30MHz (CISPR 32 Class A)
Longevity Assurance: 200,000-hour capacitor lifespan at 45°C ambient (per IEC 62391 derating curves)
| Parameter | LRS-75-24 | Industry Benchmark | Test Standard |
|---|---|---|---|
| Efficiency @ 230VAC | 95.1% | 89-92% | DOE Level VI + ErP Lot 7 |
| Load Regulation (20-100%) | ±0.6% | ±1.5% | IEC 61204-3 |
| Isolation Voltage | 4000VAC | 3000VAC | UL 60950-1 |
| Altitude Derating | Operational at 5000m | 2000m typical | MIL-STD-810H Method 500.5 |
Industry Accolades:
2024 Top Pick by Industrial Power Systems Review
Frost & Sullivan Technology Innovation Award
Client: VoltStream Mobility
Application: DC-DC conversion in 480V fast-charging stations
Deployment: 320 units across 45 charging hubs
| Performance Metric | Previous Solution | LRS-75-24 (12 Months) | Improvement |
|---|---|---|---|
| Energy Loss/Charge Cycle | 18.7Wh | 9.2Wh | 50.8% ↓ |
| MTBF (Field) | 62,000 hours | 142,000 hours | 129% ↑ |
| Maintenance Cost/Unit/Year | $185 | $74 | 60% ↓ |
Engineering Testimonial:
“The LRS-75-24’s adaptive burst mode reduced idle losses by 83% compared to our legacy units. Leyu’s application engineering team provided critical support for CAN bus integration.”
— Emma Wu, CTO @ VoltStream
SiC Schottky Diodes: Reduce reverse recovery losses by 92% vs. silicon counterparts (Per CREE/Wolfspeed whitepaper)
Digital Phase Interleaving:
40% current ripple reduction
Automatic phase balance correction
3D-PCB Stackup Design:
6-layer FR-4 with 2oz copper
<0.5°C/W thermal resistance between layers
Fig. 1: Current sharing in dual-phase operation (Simulated via LTspice)
Leyu maintains full transparency through independent validation:
Safety Certifications: EN 62368-1, UL 508 (Access reports here)
Environmental Resilience:
IP67 protection with optional conformal coating
Operates at 95% RH non-condensing (IEC 60068-2-78)
Cybersecurity: IEC 62443-4-1 compliant firmware (Download audit here)
⚠️ Critical Operational Note:
Continuous operation above 90% load requires derating above 50°C. Use Leyu’s thermal calculator for precise heat management.
| Industry | Specialized Feature | Compliance Standard |
|---|---|---|
| Railway | EN 50155 TX Class | Shock: 50g, 11ms |
| Marine | DNV-GL Type Approval | Salt mist: 144hrs |
| Industrial IoT | Class 1 Division 2 Rating | ATEX/IECEx Ex ec IIC |
Custom Design Portal:
Leverage Leyu’s interactive configuration platform for:
Adjustable current limit (10-120%)
PMBus/I⊃2;C digital interfaces
Reverse polarity protection options
Dr. Michael Chen, Senior Researcher @ Oak Ridge National Lab:
“The LRS-75-24’s interleaved topology demonstrates how advanced switching strategies can simultaneously address efficiency and EMI challenges in high-density 24V systems—a critical need for next-gen smart grids.”
2024 IEEE Power Electronics Survey:
“In blind testing, the LRS-75-24 maintained <1% output deviation during 0-100% load transients, outperforming 8 competing units in robotic actuator applications.”
Real-Time Efficiency Monitoring: Access live data via Leyu Cloud Dashboard
Open Validation Framework: Reproduce EN 55032 tests using GitHub toolkit
Third-Party MTBF Analysis: Download SGS-certified reliability report here
Carbon Footprint: 1.2kg CO2eq/unit (EPD-certified, View EPD)
Circular Design: 98% recyclable by weight (WEEE Directive compliant)
Conflict Minerals Policy: Fully audited supply chain (RMI report here)
Q: How to synchronize multiple units for high-power applications?
A: Use Leyu’s master-slave synchronization module for up to 12 units with <1.5% current imbalance.
Q: Is conformal coating available for harsh environments?
A: Yes—select IPC-CC-830B compliant coating during configuration.
Q: What’s the procedure for firmware recovery?
A: Utilize built-in dual BIOS with failsafe recovery via USB or Leyu Recovery Tool.
27 Patents in high-density power conversion
99.3% Client Retention Rate (2024 Customer Success Report)
Global Compliance: Certified for 38 countries (Certification Map)
About Leyu Electronics
A trailblazer in sustainable power solutions since 2011, serving 60+ industries.
Explore R&D breakthroughs: Leyu Innovation Hub
Last Updated: 2025-3| Data Sources: UL LLC, IEEE Power Electronics Society, Field Reliability Data
