LCD Power Supply Board
Input: AC 100-240V, 50/60Hz
Output: DC 12V/5A (adjust per specs)
Efficiency: ≥85% (typical)
Protection: Over-voltage, over-current, short-circuit
Dimensions: 150x80x25mm (verify actual size)
Operating Temp.: -20°C to +60°C
Certifications: CE, RoHS compliant
Applications: LCD monitors, industrial displays, medical equipment
MP118TH LCD Power Supply Board – Technical Specifications
Industrial-Grade Power Solution for Reliable Display Operation
Input Specifications
Input Voltage:
AC Range: 100–240V AC (50/60Hz, universal voltage)
DC Range: 12–24V DC (±10%, for industrial applications)
Input Current:
AC: ≤2.5A (230V AC)
DC: ≤8A (24V DC)
Power Factor: ≥0.95 (Active PFC, EN 61000-3-2 compliant)
Surge Protection: 4kV (IEC 61000-4-5)
Output Specifications
| Parameter | Main Output (Backlight) | Auxiliary Output (Logic) |
|---|---|---|
| Voltage | 24V DC ±1% | 5V DC ±2% |
| Current | 6A Max (144W) | 2A Max (10W) |
| Ripple Noise | ≤150mVp-p | ≤50mVp-p |
| Load Regulation | ±1% | ±2% |
| Efficiency | ≥88% (230V AC input) | ≥85% (230V AC input) |
Protection & Safety
Over-Voltage Protection (OVP):
24V Output: 28V shutdown threshold
5V Output: 6.5V shutdown threshold
Over-Current Protection (OCP): Auto-recovery with hiccup mode
Short-Circuit Protection (SCP): Latch-off on persistent fault
Thermal Protection: Shutdown at 95°C with hysteresis restart
Isolation Voltage: 3kV AC (input-to-output, 1 minute)
Insulation Resistance: ≥100MΩ (500V DC)
Environmental & Mechanical
Operating Temperature: -30°C to +70°C (derating 2% per °C above 50°C)
Storage Temperature: -40°C to +85°C
Humidity: 10–90% RH (non-condensing)
Vibration Resistance: 5G (10–500Hz, IEC 60068-2-6)
Shock Resistance: 50G (11ms, IEC 60068-2-27)
Dimensions: 180mm × 85mm × 35mm (L×W×H)
Weight: 650g
Compatibility
Supported LCD Sizes: 24"–55"LED-backlit panels (edge-lit/direct-lit)
Common Panel Models:
LG 55UN7300PUC (55"4K)
Samsung LTI550HN01 (55"FHD)
BOE HV550QUB-N80 (55"UHD)
Backlight Types: Compatible with CCFL/LED hybrid systems
Certifications & Compliance
Safety: UL 62368-1, EN 62368-1
EMC: EN 55032 Class B, EN 61000-4-2/3/4/5/6/8/11
Environmental: RoHS, REACH
Energy Efficiency: DOE Level VI, ErP Lot 6
Warranty & Reliability
MTBF: 150,000 hours @ 25°C (MIL-HDBK-217F)
Warranty: 3-year limited warranty (5-year industrial upgrade available)
Key Advantages
✅ Universal Compatibility: Pre-configured for major LCD brands; firmware upgradeable.
✅ Industrial Robustness: IP20-rated PCB with conformal coating option.
✅ Smart Diagnostics: LED status indicators for OVP/OCP/thermal faults.
Engineered for 24/7 operation in digital signage, medical displays, and industrial HMIs.
Comprehensive score