Here is a breakdown of what the SN51DP brings to your PCB design. Key Specifications & Features According to technical data from
Always ensure you are buying from a reputable source. Counterfeit or salvaged chips may fail prematurely.
As you dive into your next power management or motor control project, finding the right Digital Pulse Width Modulator (DPWM) is key to achieving precision. The , manufactured by On-Bright Electronics
The manufactured by ON-BRIG. It functions as a specialized standalone pulse width modulation (PWM) LED driver. It is widely deployed in liquid crystal display (LCD) applications, specifically managing LED TV backlight driver assemblies. Common hardware environments using this chip include mainboards like the TP.S506.PB801 and TP.MS3463S.PB801 , found inside Arielli, Crown, Felix, and Thomson television sets. Core Specifications and Operating Parameters sn51dp datasheet
The is a specialized, high-performance integrated circuit (IC) primarily used as a backlight driver in LED TV and LCD display power supply boards. Known for its robustness in driving LED backlights, this chip is frequently utilized in Vu LED TVs and other display systems, ensuring stable illumination and backlight management. It is often housed in a small 10-pin package, typically MSOP-10 or SOP-10, making it suitable for compact circuit designs.
Equipped with ESD protection on both I/O pins and internal connections to safeguard against static discharge during handling. Common Applications
Internal Reference Voltage. Provides a stable voltage output used as a baseline for internal comparator matching. Here is a breakdown of what the SN51DP
: Features integrated power/ground planes and ESD protection on I/O pins. Common Applications
, the SN51DP is built for high-speed, low-jitter performance. Precision Control
| Pin Number | Pin Name | Description | | --- | --- | --- | | 1 | VCC | Positive power supply | | 2 | GND | Ground | | 3 | DIN | Differential input | | 4 | DOUT | Differential output | | 5 | RIN | Differential receiver input | | 6 | ROUT | Differential receiver output | | 7 | EN | Enable pin (active low) | | 8 | SHDN | Shutdown pin (active low) | As you dive into your next power management
The SN51DP is typically used in circuits where precise, digital control of power is necessary:
: Current Sense input. Monitors current passing through the external MOSFET to prevent overcurrent damage.
OVP (Over Voltage Protection) — Protection can sometimes be bypassed for testing by connecting a 10K resistor from this pin to GND. Common Applications LED TV/Monitor Repair:
For repair technicians, adhering to manufacturer safety standards is essential. When troubleshooting power management ICs, it is recommended to use proper diagnostic tools and refer to the full service manual for the specific television model. For complex repairs involving high-voltage components like backlight drivers, consulting with a licensed electronics professional ensures the device remains compliant with safety regulations.
The layout of the SN51DP relies on its 10-pin interface to regulate voltage boost circuits and monitor over-voltage or over-current anomalies. The reference layout maps out as follows: Pin Number Functional Description VIN Main input voltage power supply link. 2 DIM Digital or analog PWM dimming control input line. 3 OVP Over-Voltage Protection sensor node. 4 GND System common ground connection pin. 5 CS Current Sense input; tracks external MOSFET current. 6 ISET