| Parameter | Value / Range | | :--- | :--- | | | 10V to 30V DC | | Output Current (IOUT) | 10mA to 1000mA (Adjustable) | | Output Voltage (VOUT) | 7.5V to 9.5V DC (Load-dependent) | | Switching Frequency | 1.2MHz (Typical, via DF6113) | | Dimensions (PCB) | 65mm x 20mm | | Control Signals | Enable (ON/OFF) & Analog Dimming (DIM) |
The following key specifications define the GYD-9E module's operational parameters, essential for proper integration into an electronic circuit.
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This technical data article breaks down the complete specifications, pin configurations, internal circuitry, and integration processes for engineers and electronics technicians. Technical Specifications & Performance Data
The brightness adjustments vector. This pin varies the constant current output dynamically. The active range typically spans from 0.8V (lowest brightness) up to 2.5V or 5V (maximum brightness).
: This is the switch signal. It must be connected to a 3.3V–5V signal to turn the backlight on.
The engine powering the GYD-9E is the constant current driver integrated circuit. This chip utilizes high-frequency pulse-width modulation (PWM) to step down or regulate voltage while locking down a fixed current output.
The GYD-9E is a "plug-and-play" solution for display modification. Its design focuses on three primary performance areas: Dual-Port Versatility
Single overall output channel (not split into multi-phase channels) Input Supply Voltage ( VINcap V sub cap I cap N end-sub ) Output LED Voltage ( VOUTcap V sub cap O cap U cap T end-sub ) Default Current Range ( IOUTcap I sub cap O cap U cap T end-sub ) Total System Power Consumption Input Interface Pinout Description
The GYD-9E module is available from various online electronics retailers, particularly those specializing in TV repair components. It can be purchased as a standalone driver board or as a complete kit including two LED backlight strips.
The GYD-9E features a straightforward interface layout, typically utilizing a 4-pin or 6-pin input header to connect directly to the main power supply unit (PSU) or logic board of the monitor/TV. GYD GYD-9E Placa Alimentación Tira LED TV LCD 11 - 20
The DF6113 controller manages the current, ensuring the LEDs don't burn out from over-voltage. The Command Pins: VIN: The lifeblood (10–30V DC).
This comprehensive technical datasheet analysis explores the module's absolute electrical ratings, exact pin configurations, architectural schematic breakdown, and practical calibration modifications. Technical Specifications & Hardware Dimensions
: System Ground. Returns path directly to the common ground of the chassis PSU. Circuit Functionality and Current Tuning
| Parameter | Value / Range | Notes | | :--- | :--- | :--- | | | DC 10V - 30V | Commonly 12V or 24V systems. | | Output Current (IOUT) | 10mA - 1000mA (1A) | Adjustable via changing sense resistors. | | Output Voltage (VOUT) | ~7.5V - 9.5V (up to 9.6V) | Automatically adjusts based on the LED load's forward voltage. | | Control Interface | ON/OFF, PWM Dimming | Requires a 3.3V - 5V logic signal for control. | | Physical Dimensions | ~70mm (L) x 20mm (W) x 12mm (H) | | | Typical Application | Backlight for 15" - 24" LCD panels | | | Key Components | PTD 11N20C (MOSFET), DF6113 / PW25896 (Controller IC), SS210 (Diode) | |
: Automatically adjusts based on LED load, typically ranging from Controller Chip : Built on the PWM step-down/step-up converter with current feedback. Dimensions : Ultra-slim profile at Interface and Functionality The board features a standard 6-pin input connector (e.g., CB-PH6INV4P) with the following typical pinout: power supply. ENA (ON/OFF) : High-level signal ( ) to enable the backlight.