CA-255S Single Coil 10-48 Inch LED TV Universal Backlight Inverter Board

CA-255S Single Coil 10-48 Inch LED TV Universal Backlight Inverter Board is a versatile, high-efficiency constant current boost driver module engineered for repairing and upgrading liquid crystal display monitors and television panels. This robust driver circuit accepts a wide input voltage range and steps it up dynamically to power various LED backlight strings. Consequently, technicians rely on it to restore uniform brightness across worn or custom display panels. Furthermore, the single-coil layout simplifies circuit topology while maintaining high power conversion efficiency. Therefore, repair specialists can successfully adapt this universal inverter board to numerous screen sizes ranging from 10 inches up to 48 inches.

Key Features:

• Universal Compatibility: Supports a broad screen size spectrum spanning from 10 inches to 48 inches for flexible television repairs.
• Constant Current Regulation: Delivers stable output current to protect LED strips from voltage spikes and thermal runaway.
• Wide Input Voltage: Accommodates diverse power input ranges to integrate seamlessly with various power supply boards.
• Single Coil Design: Features an optimized boost inductor layout that ensures high conversion efficiency and reliable operation.
• Adjustable Output: Permits straightforward current modification through onboard jumper selection or resistor adjustments.

Technical Specifications:

• Input Voltage Range: 10.0 VDC – 28.0 VDC
• Output Voltage Range: 15.0 VDC – 88.0 VDC auto-adjustable
• Output Current: 10 mA – 1000 mA adjustable
• Supported Panel Sizes: 10 Inch – 48 Inch LED backlight configurations
• Control Interface: On/Off control and brightness adjustment pins

Mechanical Specifications:

• Board Architecture: Single-coil boost converter layout on a durable FR4 substrate
• Mounting Configuration: Standard corner mounting holes for secure chassis attachment
• Connection Terminal: Standard multi-pin pitch header interface for wiring integration
• Thermal Management: Open-frame design with natural convection cooling

Dimensions:

• Board Length: ≈ 70.0 mm
• Board Width: ≈ 45.0 mm
• Board Height: ≈ 12.0 mm
• Weight: ≈ 15.0 g

Pinout and Wiring:

• VCC / Vin: Main power supply input voltage connecting to the television power board.
• GND: Common system ground reference.
• ENA / ON / OFF: Backlight enable and control signal pin from the main controller board.
• ADJ / DIM / PWM: Brightness adjustment terminal for controlling LED dimming levels.
• LED+: Positive output channel linking to the LED backlight string anode.
• LED-: Negative output channel linking to the LED backlight string cathode.
• Note: However, always verify output voltage compatibility with your specific panel LED configuration prior to full power-up.

Datasheet Reference:

• Download Universal LED Driver Controller Reference Datasheet

Commonly Used in:

• TV Repair Workbenches: Replacing failed original inverter circuits in commercial LCD and LED televisions.
• DIY Monitor Upgrades: Converting older CCFL-backlit display panels into modern LED-backlit screens.
• Custom Display Projects: Powering industrial or custom-built LCD panels requiring external boost drivers.

Applications:

• Backlight Restoration: Fixing dark screen symptoms caused by blown inverter boards in flat-screen TVs.
• Industrial Display Maintenance: Maintaining specialized commercial monitors and POS terminal screens.
• General DC Step-Up Conversion: Driving high-voltage series LED strips from lower DC supply rails.

Equivalent Models:

• CA-288 Universal Inverter Board: A dual-coil high-power alternative suited for larger screen sizes, although drawing higher baseline current.
• CA-155 Universal Inverter Board: A smaller alternative designed for lower-wattage compact display panels.
• XL6019 Boost Converter Module: A general-purpose step-up module often used for basic DC voltage boosting tasks.

Package Includes:

• 1 × CA-255S Single Coil 10-48 Inch LED TV Universal Backlight Inverter Board
• 1 x Multi-pin connection cable harness