LED LCD TV Driver Board Universal 26-55 inch TV Backlight Constant Current Driver Board Boost Adapter Board

GH₵ 661.29

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Product details

Features:

1.Universal 26-55 inch LED TV monitor

2.Compact and easy to operate

3.Stable performance, adjustable 200MA current

4.LED voltage 55-170V output, wide application range

5.There are corresponding interface instructions on the module, and the wiring is simple

:

Power supply: DC 19-45V

Output: 55-170V

Current: 200MA Current adjustable

VADJ brightness adjustment: 0-5V (maximum brightness left blank)

EAN (ON/OFF) switch control: 2.5V-5V on, 0V/off

Applicable size: Universal 26-55 inch LED TV monitor

Size: 90mm * 60mm * 12mm

Package include:

1X drive board

The common electronic symbol es for backlight boards are compared in Chinese and English as follows:

a. VCC: Supply voltage positive pole, circuit supply voltage (usually 12V or 24V)

b. ON/OFF，ON，EN，ON_ BL, etc.: switch pin, switch signal pin (voltage range usually between 2.5V-5V)

c. PWM, PDIM, VDAJ, BL-PWM, etc.: Brightness adjustment foot or dimming foot. There are two modes for dimming: digital mode PWM and analog dimming DC

PWM is called pulse width modulation, which produces a rectangular square wave signal with a frequency of 200HZ-2KHZ and a voltage amplitude of 3.3V. PDIM is the abbreviation in English, Dim means darkness, and the vocabulary roughly means “brightness“. Simulated dimming is carried out through a DC voltage, usually directly providing a DC voltage of 0V-5V to the tuning pin to control brightness

GND: ground (negative pole of power supply)

LED+: Positive pole of light emitting diode (light strip)

LED -: Negative electrode of light emitting diode (light strip)

The above symbols contain most commonly used es on LCD motherboards and backlight boards. As length as they are connected according to their respective es, there will be no errors.