Sn51dp Datasheet Pdf

The SN51DP is a highly capable backlight driver IC that relies on the integrity of its surrounding components. By understanding the normal voltages and protection thresholds outlined in this guide, you can effectively diagnose and repair a wide range of LCD TV backlight issues. Always prioritize safety when handling high-voltage circuits.

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The following voltage measurements were taken from a working SN51DP in a PPTV 40C2 power supply board . These readings can be valuable references for diagnosing a non-functional backlight.

SN510P , OB3350CP (Note: OB3350CP is typically an 8-pin SOP package, requiring pin mapping verification). SN51DP Pinout Configuration and Functions sn51dp datasheet pdf

The primary design focus of the SN51DP revolves around constant-current control, which is mandatory for ensuring long-term LED reliability and preventing thermal runaway.

The commonly found in LCD/LED television power management setups. Manufactured primarily in standard SSOP-10 / MSOP-10 packages , this component controls the power delivery, brightness modulation, and system protection circuits for backlighting arrays in flat-screen TVs and monitors. When troubleshooting display issues like a blank screen with sound, repair technicians frequently look for the SN51DP datasheet PDF to evaluate its pin configurations and protection limits.

The SN51DP is a dual H-bridge motor driver IC, capable of driving two DC motors or one stepper motor. It is designed to operate at high voltages (up to 36 V) and currents (up to 2.5 A per H-bridge). The IC features a high-performance MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) architecture, which provides high efficiency, low power dissipation, and high reliability. The SN51DP is a highly capable backlight driver

Over-Voltage Protection (OVP), Current Sense (CS), Dimming Control (DIM) 2. SN51DP Pinout and Configuration

The SN51DP acts as a specialized power management chip that regulates current delivery to LED backlights. It balances high brightness demands with critical overvoltage and overcurrent safeguards. On-Bright Electronics Co Ltd .

Based on technical documentation, the is a specialized LED TV Backlight Driver IC primarily manufactured by ON-BRIG . It is frequently found in LED TV mainboards such as the TP.S506.PB801 for brands like Arielli, Crown, and Felix. SN51DP Technical Overview Do not click on the first random link

Supports both PWM (Pulse Width Modulation) and Analog dimming for brightness control. Protection Features:

SN51DP Datasheet PDF: Comprehensive Guide to the Backlight LED Driver

If you cannot source a direct replacement chip labeled SN51DP, certain cross-reference options work seamlessly as pin-to-pin functional equivalents.

The is a critical, high-efficiency backlight controller found in modern display technology. Understanding its 10-pin functionality—specifically its GATE control, current sensing, and over-voltage protection—is essential for repairing LCD/LED backlight systems.

When repairing boards that use the , the most common fix involves bypassing the protection circuit to diagnose whether the fault lies within the LED strip or the driver board.