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The is a specialized Integrated Circuit (IC) primarily utilized as a backlight LED driver in modern LCD and LED televisions. Designed for power management within the display panel, it regulates the current flowing to the backlight LED strips to ensure consistent brightness and protection against voltage spikes. The chip is typically manufactured by ON-Brig and is commonly found in the power supply or scaler boards of brands like Sony , VU , and other LED TV models. Core Specifications and Technical Details
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Understanding the SN51DP Datasheet: A Comprehensive Guide to LED Backlight Drivers
Operating temperature threshold peaks at 85°C . Pin Configuration and Functions LED driver IC replacement. sn51dp datasheet
When handling the SN51DP, always remember the key data: . Whether you are a technician repairing a Hisense TV or a hobbyist looking to understand modern display power management, knowing the SN51DP's specifications and common repair techniques will save you significant troubleshooting time.
The SN51DP is chosen for its efficiency and specialized protection features in display technology. Efficiently drives LED backlights in TVs.
The MOSP-10 package is ideal for slim TV designs. Common Applications: Vu LED TV Power Supply Boards. Backlight Inverter Modules. General LED Display Backlight Driving. 4. Troubleshooting and Protection Bypassing The is a specialized Integrated Circuit (IC) primarily
– Internal voltage reference out / diagnostic bypass node.
Based on available schematics, the pin functions are as follows: Description VIN Supply voltage input (12V typical) 2 GATE Output drive for the external MOSFET 3 GATE- Complementary or ground reference for gate 4 GND Ground connection 5 CS Current Sense (monitors LED current) 6 ISET Current setting pin (reference resistor) 7 REF Internal reference voltage 8 FB Feedback pin for voltage/current regulation 9 OVP / COMP Over-Voltage Protection or Compensation 10 DIM / OPWM Dimming control input (PWM or Analog) ### Protection & Repair Tips The IC Sn51dp schematic , ic inverter by-passing protection
: Acting as a dedicated timing controller to offload tasks from a primary MCU. Design Considerations Core Specifications and Technical Details You may be
Incorporates safety features to protect the LED backlight circuit from over-voltage damage.
The SN51DP datasheet provides a typical circuit configuration for using the IC in a differential driver application. The circuit configuration includes:
: Designed for industrial-grade environments, it can withstand temperatures from -20°C to +130°C .
The "-H" suffix indicates a higher input voltage rating – typically 60V instead of 45V. All other parameters remain the same.