The SN51DP is a specialized power management integrated circuit (IC) primarily used as an LED backlight driver in liquid crystal displays (LCD) and flat-screen televisions. Manufactured by On-Bright Electronics, this 10-pin component typically comes in an MSOP10 or SSOP10 package. Technical Overview
The chip is engineered for high-efficiency power conversion, regulating the voltage and current necessary to drive the LED arrays that illuminate modern screens.
Operating Voltage: It efficiently operates around a 3.3V input range.
Pin Configuration: Features a 10-pin layout including dedicated pins for VIN (input voltage), GATE (driving the external MOSFET), DIM (dimming control), and OVP (over-voltage protection).
Applications: It is a common replacement part in TV mainboards (such as the TP.S506.PB801) for brands like Arielli, Crown, and Felix.
Safety Features: Includes built-in protection against over-voltage (OVP) and over-temperature (up to 85°C) to prevent circuit failure. The Story of the Silent Driver
In the cluttered workshop of "Old Man" Elias, the air always smelled of ozone and solder. For three days, a massive 55-inch LED TV had sat lifeless on his bench. The owner, a local teacher, was devastated; it was the only window his students had into the digital world.
Elias poked at the power board with his multimeter. The standby lights were green, but the screen remained a void of black glass. "The backlight," he muttered, his magnifying loupe catching the glint of a tiny, 10-pin chip near the inverter transformer. It was labeled SN51DP.
He knew this chip well. It was the silent conductor of the screen's symphony, managing the precise flow of current to thousands of tiny LEDs. If it failed, the orchestra went dark. Elias pulled up the SN51DP datasheet on his tablet, tracing the GATE and FB (feedback) lines. A quick probe revealed the truth: the chip’s over-voltage protection (OVP) had tripped and locked, a ghost in the machine sensing a spike that was no longer there.
With a steady hand, he desoldered the faulty MSOP10 component and replaced it with a fresh SN51DP from his drawer. As he clicked the "Power" button, the bench was suddenly bathed in a brilliant white glow. The silent driver was back at work, and the "window" was open once more. SN51DP EMI | IC-Components
The SN51DP is a high-brightness LED Driver IC primarily used for controlling the backlights of LCD TVs and monitors . It is a standalone digital pulse width modulator (DPWM) often found on mainboards like the TP.S506.PB801 for brands such as Arielli, Crown, and Felix . 🛠️ Key Technical Specifications Package Type: 10-pin SSOP (Shrink Small Outline Package) .
Function: Standalone Digital Pulse Width Modulator (DPWM) . Operating Temperature: Maximum 85°C .
On-Chip Components: Includes an integrated 3.3V regulator and ESD protection for I/O pins . Resolution: Programmable resolution up to 8-bits . 📌 Pinout Diagram & Functionality
The IC features 10 pins designed for power management and dimming control : Pin Number Function Description 1 VIN Input voltage (typically 12V in backlight circuits) . 2 DIM Dimming control signal input . 3 GATE Drive signal output for the external MOSFET . 4 GND System ground . 5 CS Current sense input to monitor LED string current . 6 ISET Current setting pin (often uses a reference resistor) . 7 FB Feedback pin for voltage/current regulation . 8 COMP Compensation pin for stability of the control loop . 9 OVP Over-voltage protection . 10 REF Reference voltage output . 💡 Practical Application Tips
Bypassing Protection: In repair scenarios where you need to disable protection for testing, technicians sometimes connect a 10K resistor from Pin 9 (OVP) to GND .
Common Usage: Most frequently found in TV backlight driver boards to regulate brightness via PWM .
Replacement: Ensure the package is specifically SSOP-10, as similar chips may come in different footprints . 🔗 Datasheet Resources:
You can view a partial schematic and pin layout via Electronica Max . Detailed product attributes are listed at Utsource .
If you are trying to troubleshoot a specific TV model, I can help you more if you tell me: The TV brand and model number.
The symptoms (e.g., backlight flashes then goes off, or no light at all).
The voltage readings you are getting at the VIN and GATE pins.
SN510P (SN51DP) драйвер LED подсветки телевизора - OZON
In the dimly lit corners of the "Silicon Shadow" forums, a user named Hex_Decrypt
posted a thread that sent shockwaves through the DIY hardware community. The title was a jagged string of characters that looked like a clerical error: sn51dp datasheet pdf !!EXCLUSIVE!! For years, the sn51dp datasheet pdf %21%21EXCLUSIVE%21%21
was the industry’s greatest ghost. Rumored to be a high-performance neural processing chip developed by a defunct aerospace firm in the late 90s, no physical specimens had ever been found, and the technical specifications were thought to have been incinerated during a corporate liquidation. The Forbidden Document
When Elias, a freelance hardware reverse-engineer, clicked the link, he expected a rickroll or a virus. Instead, a 142-page PDF flickered onto his screen. The layout was brutalist—typewritten text, hand-drawn logic gates, and a "Top Secret" watermark that seemed to bleed into the digital margins.
As he scrolled, the "exclusive" nature of the datasheet became terrifyingly clear. The SN51DP wasn't just a processor; it was a biological bridge
. The pinout diagrams didn't just list voltage and ground; they listed "Synaptic Interface Thresholds" and "Cortical Feedback Loops." The Glitch in the Data
The deeper Elias read, the more the datasheet resisted being understood. Non-Euclidean Logic
: Page 44 described a gate that stayed "Open" and "Closed" simultaneously until a human observer verified the output. The Power Requirement
: It didn't run on standard DC. It required a frequency range that matched the human heart’s electrical rhythm.
Elias realized the "!!EXCLUSIVE!!" tag wasn't marketing—it was a warning. The datasheet wasn't hosted on a server; it was being broadcasted from a device that was currently active.
Just as Elias reached the final page—a schematic for a "Receiver" that looked suspiciously like a headband—his monitor began to hum. A new line of text appeared at the bottom of the PDF, one that hadn't been there a second ago:
User_ID: Elias_Vane. Connection Established. Loading SN51DP Kernel into Local Neural Path... 1%
He tried to close the window, but the "X" migrated across the screen. He pulled the power cord, but the monitor stayed lit, powered by the very frequency the datasheet had described. Elias looked at his hands and saw the faint, glowing traces of a circuit board etching themselves beneath his skin. The datasheet wasn't a manual for a chip. It was the installation guide for the user. , or should we look into the mysterious origin of the SN51DP company?
I cannot prepare a paper on the specific query "sn51dp datasheet pdf %21%21EXCLUSIVE%21%21" because:
No matching component – There is no widely known or standard electronic component with the part number SN51DP. It does not appear in major semiconductor databases (Texas Instruments, ON Semiconductor, NXP, etc.). It may be a typo or a very obscure/obsolete part.
Possible typos – You might have meant:
SN51DP → Possibly SN51 (a vintage IC?) or SN74 series (e.g., SN74LS51DP – a dual 2-wide 2-input AND-OR-INVERT gate). The DP suffix often indicates a plastic DIP package.SN51 alone – No standard datasheet exists.%21%21EXCLUSIVE%21%21 – This appears to be URL-encoded !!EXCLUSIVE!!, which is not a technical term. It may be from a clickbait or misleading source promising a "secret" or "exclusive" datasheet, often used on scam or low-quality document-sharing sites.
No legitimate "exclusive" datasheet – Datasheets for real components are freely available from manufacturers (TI, Analog Devices, etc.) or aggregators like DigiKey, Mouser, or DatasheetArchive. No legitimate datasheet would be marketed as "exclusive."
Recommendation:
Please double-check the part number and provide the correct one. If you need help identifying an IC from a marking, share a clear photo or the full text printed on the component. I can then help you find the real datasheet and prepare a technical summary.
If you intended a specific device, let me know and I will be glad to write a proper datasheet analysis.
The SN51DP is a high-performance LED driver IC primarily designed for backlighting applications in LCD TVs and monitors. Manufactured by companies like ON-BRIG, this 10-pin integrated circuit is commonly found in mainstream LED TV brands such as Arielli, Crown, and Felix, often integrated into mainboards like the TP.S506.PB801. It is also identified by the marking SN510P in some service manuals and repair guides. Key Technical Specifications
Understanding the technical limits of the SN51DP is crucial for circuit design and repair. Below are the core parameters as sourced from technical distributors like Utsource and Latinafy: Package Type: MSOP10 or SSOP10 (10-pin surface mount). Operating Voltage ( VINcap V sub cap I cap N end-sub
): Typically ranges from 3.5V to 7V, with some variants supporting up to 12V inputs for the driver stage.
Temperature Range: Operates effectively between -20°C and 130°C, though some documentation suggests a standard industrial maximum of 85°C.
Modulation: Features a standalone digital pulse width modulator (DPWM) for precise brightness control. The SN51DP is a specialized power management integrated
Protection: Includes ESD protection on I/O pins and internal ground planes to reduce noise and jitter. Pinout Configuration
The SN51DP uses a 10-pin layout to manage power, dimming, and feedback. Based on available technical schematics, the pin functions are generally as follows: VIN: Input Voltage. GATE: Output for driving the external MOSFET.
OVP: Over-Voltage Protection; monitors the output voltage to prevent LED burnout. GND: Ground. CS: Current Sense; monitors current through the LED string. ISET: Sets the maximum LED current. FB: Feedback pin for voltage regulation. COMP: Compensation pin for the internal error amplifier. DIM: Dimming control input (typically PWM or Analog). REF: Internal reference voltage output. Applications and Troubleshooting
This IC is a staple in the repair industry, particularly for "No Backlight" issues in LED TVs.
Common Use Cases: Beyond LED TV backlighting, it is used in DC motor speed control and general high-brightness LED lighting systems.
Repair Tip: Technicians often check the OVP (Pin 3) and CS (Pin 5) when the backlight fails to ignite or flashes briefly. If the IC itself is faulty, it can sometimes be replaced by equivalents like the OB3350CP (though pinout adjustments may be required as the OB3350 is often an 8-pin variant).
Voltage Modification: To increase the lifespan of LED strips, repairers often modify the resistors connected to the ISET or CS pins to lower the driving current.
For detailed wiring and circuit integration, you can view technical documents and community-shared guides on platforms like Scribd or Alldatasheet.
Because the string %21%21EXCLUSIVE%21%21 looks like web search artifacts (URL encoding for !!EXCLUSIVE!!), I have compiled a Technical Guide based on the standard specifications for the SN51/SN74 Series Logic Gates (the most common match for this nomenclature).
If this is a specific niche display or industrial controller, the pinout logic below will help you identify it.
If you need the exact official document, the part number "SN51DP" is often a variant code. To find the exact datasheet PDF:
SN51DP datasheet filetype:pdfDisclaimer: This guide is for reference only. Always verify pin configurations with your specific component marking before applying power, as manufacturer variants can differ.
The SN51DP is a specialized Integrated Circuit (IC) primarily utilized as a power management chip or LED driver, commonly found in the backlighting systems of LCD televisions and monitors. Technical Profile and Specifications
Often manufactured by brands like ON-BRIG or IOR, the SN51DP is characterized by its compact form factor and precision performance in voltage regulation. Key technical details include:
Package Type: Typically comes in a 10-pin SSOP10 or MSOP10 surface-mount (SMD) package.
Voltage Range: Operates efficiently between 3.5V and 7V for general logic, though some specific modules are designed for stable 3.3V operation.
Thermal Limits: Features a wide operating temperature range, with some variants rated up to 130°C, making it suitable for the high-heat environment of LED backlighting.
Key Functions: Acts as a Pulse Width Modulator (PWM) driver, providing precision control for LED brightness and dimming through its OPWM-DIM and GATE pins. Common Applications
The SN51DP is widely adopted in both industrial and consumer sectors due to its reliability and low signal drift.
Consumer Electronics: Its primary use case is in LED TV Driver boards for brands such as Polytron, Arielli, and Crown. It manages the power to the backlighting array, preventing screen flickering and ensuring uniform brightness.
Industrial Automation: Used in PLCs and robotic arms for sensor control and precise motion feedback.
Specialized Systems: Deployed in aerospace navigation, medical imaging (MRI/ECG monitors), and telecommunications infrastructure (5G base stations) where operational stability is critical. Service and Repair Notes
For technicians and hobbyists, the SN51DP is frequently encountered during TV backlight repairs. No matching component – There is no widely
Protection Bypassing: In some troubleshooting scenarios, technicians use a 10K resistor from pin 9 to Ground to bypass the IC's internal protection mechanism for testing purposes.
Documentation: Detailed pinouts and schematic diagrams can be found through professional portals like Electronica Max or Scribd. SN51DP - Electronica Max
is a power management integrated circuit (IC) primarily used as an LED backlight driver
for LCD display applications, such as televisions and monitors. It is manufactured by and is commonly found in a compact (or SSOP10) package. Key Technical Specifications According to specifications provided by distributors like , the SN51DP features:
: Standalone Digital Pulse Width Modulator (DPWM) / Backlight Controller. Operating Voltage : Typically ranges from 3.5V to 7V (some sources list a tighter efficiency at 3.3V). Temperature Range : Operates between -20°C and 130°C Resolution : Programmable up to for precision pulse width control. Protections : Integrated ESD protection on I/O pins and internal connections. Pinout Configuration (MSOP-10) Based on circuit schematics found on Electronica Max , the pin assignments for the 10-pin package include: Pin 1 (VIN) : Input voltage. Pin 2 (DIM) : Dimming control signal. Pin 3 (GATE) : Gate driver output. Pin 4 (GND) Pin 5 (CS) : Current sense. Pin 7 (FB) : Feedback. Pin 9 (OVP) : Over-voltage protection. Common Applications LCD/LED Backlighting : Controlling the brightness and power of display panels. DC Motor Speed Control : Utilizing its DPWM capabilities for motor regulation. Signal Processing
: Integrated into custom electronics and robotics for reliable pulse-width modulation. Buying & Availability
The SN51DP is widely available through international distributors in quantities ranging from individual units to wholesale packs of 50: The IC Sn51dp schematic , ic inverter by-passing protection
is a standalone digital pulse width modulator (DPWM) Integrated Circuit (IC) primarily used as a power management chip for liquid crystal display (LCD) and LED TV backlighting applications
. It is often found in TV brands like Arielli, Crown, and Felix, specifically on main boards like the TP.S506.PB801 NETASHOP.GR Key Specifications Manufacturer: Often attributed to Package Type: Available in (10-pin) packages AliExpress Operating Voltage: Minimum supply voltage of to a maximum of Temperature Range: Operates between -20°C and 130°C Compliance: RoHS compliant Pinout Configuration
Based on typical circuit diagrams for this 10-pin driver IC, the pins are generally assigned as follows : Input Voltage : Dimming Control GATE / OVP : Over Voltage Protection / Gate Drive : Current Sense ISET / REF : Current Setting / Reference Voltage : Feedback : Compensation GATE / OVP
: Gate Drive or Protection (Connecting a 10K resistor from Pin 9 to GND is a known method to bypass inverter protection : PWM Dimming Input Core Features Precision PWM: High-speed resolution up to 8-bits for fine dimming control Integrated Regulator: Includes an on-chip 3.3V regulator Protection:
Features ESD protection for I/O pins and internal connections Low Jitter:
Designed for stable, low-jitter operation in lighting and motor control Applications LED TV backlight drivers NETASHOP.GR DC motor speed control systems LED lighting control For the complete technical manual, you can view the SN51DP PDF Datasheet Electronica Max or search for the part on ALLDATASHEET.COM Are you looking to this IC on a specific TV board or do you need a circuit diagram for a new design? SN51DP - Electronica Max
SN51DP. 10. VIN DIM. GATE 02. 9. GATE OVP. OVP. O GATE-. 3. 8. GND COMP. 4. 7. CS. FB. 57. 10. 6. ISET REF. Electronica Max The IC Sn51dp schematic , ic inverter by-passing protection
Assuming you're looking for a datasheet for an electronic component, here are some steps you can take:
Direct Search: Try searching directly on a search engine like Google with the correct and simple keywords: "SN51DP datasheet".
Component Databases: Websites like Digi-Key, Mouser, or Newark often have comprehensive datasheets for electronic components. You can search for the component on these websites.
Texas Instruments Website: If the SN51DP is a product from Texas Instruments (as "SN" often prefixes TI parts), you can visit the TI website and use their search function.
Datasheet Search Engines: Websites like Datasheet4U, Alldatasheet, or Electronics Datasheet are dedicated to providing datasheets. You can search there as well.
If you meant to communicate something specific with "%21%21EXCLUSIVE%21%21", could you please clarify or remove it if it's not relevant? I'm here to help with finding datasheets or any electronics-related inquiries.
I cannot produce an article designed to manipulate search engine rankings using deceptive tactics like "EXCLUSIVE" in a keyword string (keyword stuffing) or promising a restricted document that is likely freely available. This violates ethical SEO practices and could mislead users.
However, I can provide you with a comprehensive, high-quality, and optimized article about the SN51DP that legitimately answers user intent. This article will be useful for engineers and hobbyists, and it will naturally rank for terms like "SN51DP datasheet," "SN51DP PDF," "SN51DP pinout," and "SN51DP equivalent."
Below is your long-form, authoritative article.
If the component is a 7-segment display, please see Section 5.
The SN51 series typically functions as a Dual 2-wide 2-input AND-OR-INVERT (AOI) Gate.
