LCD TV Power Supply Board
High-Efficiency TV Power Module, Multi-Channel Stable Output, Customized for Modern Smart TVs
- Utilizes high-efficiency PFC+PWM control technology, achieving overall conversion efficiency above 90%
- Integrated ultra-slim design, specifically tailored for modern smart TVs
- Multi-channel stable output, providing independent power for mainboard, backlight, and standby
Key Advantages
Adopting advanced power architecture to deliver high efficiency, ultra-slim design, and multi-channel stable power supply solutions.
High-Efficiency PFC+PWM Control
Adopts high-efficiency PFC+PWM control technology, achieving overall conversion efficiency above 90%, significantly reducing power loss, lowering temperature rise, and ensuring stable and environmentally friendly operation.
Integrated Ultra-Slim Design
Integrated ultra-slim design, specifically customized for modern smart TVs. The compact layout perfectly fits the limited internal space of various ultra-thin TV models.
Multi-Channel Independent Stable Power
Multi-channel stable output provides independent power for mainboard, backlight, and standby. Each voltage output does not interfere with others, effectively improving overall system stability and anti-interference capability.
High-Power LED Backlight Constant Current Drive
High-power LED backlight constant current drive, supporting PWM dimming with flicker-free brightness. Delivers excellent picture quality while effectively protecting the backlight LED strips and extending their lifespan.
Low Standby Power, ERP Compliant
Standby power consumption is less than 0.3W, meeting the latest energy efficiency ERP standards. Achieves extreme energy savings in standby or off mode, complying with increasingly stringent global environmental and energy regulations.
Comprehensive Multi-Layer Safety Protection
Equipped with comprehensive multi-protection mechanisms: overvoltage, overcurrent, short circuit, and lightning surge protection, ensuring extremely high reliability. Even during power grid fluctuations or external anomalies, core circuits remain undamaged.
Power Board & Backlight Driver Performance Parameters
The following are core performance indicators for common models. Actual specifications may vary based on product and customization requirements.
| Item | Specification |
|---|---|
| Rated Output Voltage | +12.0V / +24.0V / +5.0V(SB) |
| Rated Output Current | 12V: 3.0A / 24V: 4.5A / 5Vsb: 1.0A |
| Load Variation Range | 12V: 0.0A~3.5A / 24V: 0.0A~5.0A |
| Output Range | 12V: 11.5V~12.5V / 24V: 23.5V~24.5V |
| Ripple & Noise | 120mVp-p max (low-voltage output) |
| Load Short Circuit and Overcurrent Protection | Overcurrent Protection (OCP), Overvoltage Protection (OVP) with auto shutdown and restart |
| Item | Specification |
|---|---|
| LED Anode Voltage | 62V ~ 110V (depending on LED string count) |
| LED Cathode Voltage | 0V |
| Backlight On Signal | 3.3V ~ 5.0V |
| Backlight Dimming Voltage | 0.5V ~ 3.3V (PWM or DC dimming) |
| Total Backlight Output Power | ≤ 70W (per board) |