It is often considered functionally similar to or an equivalent of the
Compensation pin for error amplifier frequency loop stability. OVP
If the LED backlight fails to turn on and the IC is suspect, repair technicians often bypass the protection by connecting a from Pin 9 to GND to test for output.
– Error amplifier compensation node to stabilize the internal control loop.
The SN51DP functions primarily as a boost controller or direct LED driver depending on the specific TV mainboard architecture, such as the widely deployed . It is commonly found in budget-friendly and mid-tier television brands including Arielli, Crown, Felix, and Vu . Core Technical Parameters Specification Manufacturer Package Type SSOP-10 / MSOP-10 Primary Function LED Backlight Controller / Driver Dimming Mechanism PWM (Pulse Width Modulation) Compliance RoHS Lead-Free Compliant Common Equivalents sn51dp datasheet pdf
: The TV boots up, sound is audible, and a faint image can be seen by shining a flashlight onto the panel, but the screen stays pitch-black.
The SN51DP is built for high efficiency and durability. The table below outlines its key technical characteristics based on field data:
PWM boost driver using current mode control for stable LED regulation. Pin Configuration (SSOP-10)
Due to the specialized nature of these ICs, the complete is often found on niche electronics repair websites or specialized component databases like Alldatasheet . Key Resources: Schematics & Data: Electronica-Max Technical Discussions: JestineYong.com It is often considered functionally similar to or
As a standalone digital pulse width modulator (DPWM) IC, it provides high-speed, precision pulse width resolution up to 8-bits , ensuring smooth dimming and flicker-free operation.
Current setting node used to program the target LED string current output. REF Internal precision reference voltage output terminal. 8 FB
You might be tempted to find a quick pinout diagram on a forum. This is dangerous. Here is why downloading the official is non-negotiable:
– Low-side switching gate drive output to regulate the LED current channel. Pin 4: GND – System ground connection plane. The SN51DP functions primarily as a boost controller
Providing the context or the device it belongs to can help identify the full part number.
Used extensively as the driver cornerstone in budget-to-midrange 32-inch to 55-inch LED TVs .
The SN51DP is a high-performance H-bridge motor driver integrated circuit (IC) designed by Texas Instruments. The datasheet PDF for this IC provides detailed information on its features, specifications, and applications. This essay aims to analyze the SN51DP datasheet PDF, highlighting its key features, benefits, and potential uses.