Internal shutdown circuitry prevents catastrophic failure from overheating.
The IC utilizes a 10-pin package (MSOP10). Understanding the pinout is critical for troubleshooting or bypassing protections.
This comprehensive guide compiles the essential technical specifications, pin configuration, application circuits, and troubleshooting steps for the SN51DP IC. Technical Specifications and Overview
The specific (e.g., laptop motherboard, monitor, power supply) you are repairing or designing. sn51dp datasheet pdf %21%21EXCLUSIVE%21%21
A frequent failure mode in LED TVs is a "No Backlight" state, where the TV turns on and plays audio, but the screen remains completely dark. This issue is often triggered when the SN51DP detects an anomaly (such as a burnt-out or open-circuit LED strip) and immediately trips its internal safety lock. SN51DP - Electronica Max
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Feedback loop input for voltage regulation or primary output terminal. COMP Compensation External RC network connection for loop stabilization. 6 SW / LX Switching Node This issue is often triggered when the SN51DP
The is a highly specialized, 10-pin power management integrated circuit (IC) widely implemented as an LED backlight driver in liquid crystal display (LCD) and LED televisions. Manufactured by On-Bright Electronics Co Ltd (often abbreviated as ON-Brig), this chip regulates current and brightness across LED backlight arrays. Technicians frequently encounter the SN51DP in popular television chassis—such as the TP.S506.PB801 or TP.S512.PB83 —found in budget-friendly TV brands including Arielli, Crown, Telefunken, and Felix.
Depending on the manufacturer layout, pin-to-pin compatible replacements often include specific power controllers from brands like Texas Instruments (TPS series), Richtek (RT series), or Silergy (SY series). Always verify the pinout configuration in your specific schematic before swapping components.
The is a critical component for managing the illumination of modern LED displays. Its 10-pin SOP structure allows for precise control over current and protection mechanisms. Accurate diagnosis requires a thorough understanding of the pin functions and the specific requirements of the LED array it is driving. such as Utsource
Dimming Control Signal Input (Supports PWM or analog brightness adjustment) Advanced Troubleshooting: Backlight Protection Bypassing
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Websites specializing in IC documentation, such as Utsource, often hold the datasheet for these types of ICs.
Frequently found on the power/backlight combo boards of Vu, Philips, and other LED TV brands.