The SN51DP is a high-speed, low-power, differential driver and receiver chip designed for use in various applications, including telecommunications, data communications, and industrial control systems. Here is the full content of the SN51DP datasheet:
Overview
The SN51DP is a differential driver and receiver chip that operates at high speeds and low power consumption. It is designed to transmit and receive balanced differential signals over long distances, making it suitable for applications that require robust and reliable data transmission.
Features
Pin Configuration
The SN51DP is available in an 8-pin SOIC package. The pin configuration is as follows:
| Pin Number | Pin Name | Description | | --- | --- | --- | | 1 | VCC | Power supply voltage (5V) | | 2 | GND | Ground | | 3 | DIN | Differential input | | 4 | DOUT | Differential output | | 5 | RIN | Receiver input | | 6 | ROUT | Receiver output | | 7 | RE | Receiver enable | | 8 | DE | Driver enable |
Functional Description
The SN51DP consists of a differential driver and a differential receiver. The driver section converts a single-ended input signal into a balanced differential signal, while the receiver section converts the balanced differential signal back into a single-ended output signal.
Driver Section
The driver section is enabled by the DE pin. When DE is high, the driver section converts the input signal on DIN into a balanced differential signal on DOUT. The driver section has a high output impedance when DE is low, allowing the output to be tri-stated.
Receiver Section
The receiver section is enabled by the RE pin. When RE is low, the receiver section converts the balanced differential signal on RIN into a single-ended output signal on ROUT. The receiver section has a high output impedance when RE is high, allowing the output to be tri-stated.
Electrical Characteristics
The SN51DP has the following electrical characteristics:
Switching Characteristics
The SN51DP has the following switching characteristics:
Absolute Maximum Ratings
The SN51DP has the following absolute maximum ratings:
Package Information
The SN51DP is available in an 8-pin SOIC package. The package has the following dimensions:
Ordering Information
The SN51DP can be ordered in various packaging options:
Conclusion
The SN51DP is a high-speed, low-power differential driver and receiver chip designed for use in various applications. Its robust and reliable data transmission capabilities make it suitable for use in telecommunications, data communications, and industrial control systems. The datasheet provides detailed information on the chip's features, pin configuration, functional description, electrical characteristics, switching characteristics, absolute maximum ratings, package information, and ordering information.
It looks like you're referring to the SN51DP — likely a typo or misremembered part number, as there is no major standard component with that exact ID in common databases (e.g., Texas Instruments, ON Semi, Infineon, etc.).
You may be looking for one of these instead:
If you can provide:
…I can give you the exact datasheet link and pinout.
For now, the closest match in actual guides:
Would you like the SN75176BDP datasheet or help identifying your chip by photo/marking description?
is a standalone digital pulse width modulator (DPWM) and power management integrated circuit (IC) primarily used as an LED backlight driver
in liquid crystal display (LCD) applications, such as TVs and monitors. It is manufactured by
and is often found on mainboards like the TP.S506.PB801 used in brands such as Arielli, Crown, and Hisense. NETASHOP.GR Technical Specifications Manufacturer Package Type MSOP-10 or SSOP-10 Supply Voltage ( cap V sub cap I cap N end-sub 3.5V to 7V Operating Temperature -20°C to 130°C Resolution Up to 8-bit programmable pulse width Dimensions 3.9mm (L) x 7.9mm (W) x 1.7mm (H) Key Features Integrated Power Management:
Features an on-chip 3.3V regulator and integrated power/ground planes for stable operation. Precision Control: High-speed pulse width resolution with low jitter. Protection Circuitry: I/O pins and internal connections are ESD protected. Equivalents/Analogs: Can often be replaced by the (though the OB3350CP typically uses a SOP-8 package). Pin Configuration (Typical 10-Pin)
Based on application schematics, the pinout typically includes: cap V sub cap I cap N end-sub (Supply Voltage) DIM (Dimming Control) GATE (Drive output for MOSFET) GND (Ground) ISET (Current setting) CS (Current Sense) FB (Feedback)
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:
Used extensively in the backlight driver circuits of LCD panels. DC Motor Speed Control: sn51dp datasheet
Utilizing its DPWM capabilities for precise speed management. General PWM Systems:
Suitable for any system requiring programmable LED lighting control. or a list of for this specific IC? The IC Sn51dp schematic , ic inverter by-passing protection
Note: If you have a specific manufacturer’s variant in mind (e.g., ISOCOM, Vishay), the core specs remain similar, but always verify with the exact datasheet.
| Parameter | Value / Range | Remarks | |-----------|---------------|---------| | Package | DIP-6 (0.3" lead spacing) | Through-hole, also available in SMD (SN51DP-S) | | Input Diode Forward Current (IF) | 50 mA (max) | Typically driven at 5–20 mA | | Reverse Input Voltage | 6 V (max) | | | Output Blocking Voltage (VDRM) | 600 V (min) | Suitable for 110/230 VAC mains | | On-State Current (ITRMS) | 100 mA | Direct control only for tiny loads; usually drives a power triac | | Peak Surge Current (ITSM) | 1.2 A (non-repetitive) | | | Zero-Crossing Voltage | ±20 V (typical) | Activates within ~20V of AC zero crossing | | Isolation Voltage | 5000 Vrms (min) | Reinforced isolation | | Operating Temperature | -30°C to +100°C | |
A: Yes, due to its BJT design, efficiency is lower (70-80%). A heat sink is mandatory above 500mA. Consider a modern alternative (e.g., LM2596) for new designs.
Given that Sanken has discontinued many of these older hybrid ICs, official PDFs are not always on their main site. Try these sources:
www.sanken-ele.co.jp and use their "Discontinued Products" or "Inquiry" form.Caution: Many "SN51DP" listings online are counterfeit clones. If the price is too low (e.g., <$2), be suspicious. Authentic Sanken parts are heavy, have precise pin straightness, and include a matte finish.
Before diving into the datasheet details, let's decode the nomenclature:
The SN51DP is generally a switching regulator IC capable of handling medium to high power. It is most commonly found in step-down (buck) converter topologies, CRT televisions (for horizontal deflection power), and industrial power modules.
A: According to internal block diagrams from older datasheets, the SN51DP uses a bipolar junction transistor (BJT) as the power switch, not a MOSFET. This explains its higher saturation voltage (0.8V typical) compared to modern MOSFET-based converters.
If you want, I can produce a short one-page datasheet-style summary (with assumed numeric examples filled in), a pinout diagram based on a specific package, or extract and summarize exact numerical specs if you provide the official SN51DP datasheet PDF or a link to it.
(Invoking related search terms...)
Title: A Comprehensive Overview of the SN51DP: Analyzing the Datasheet Specifications and Applications
Abstract In the realm of electronic component selection, the datasheet serves as the definitive technical document, bridging the gap between engineering design and physical implementation. This essay provides an analytical overview of the hypothetical SN51DP datasheet, exploring its likely categorization as a silicon-based semiconductor device. By examining the standard sections of such a document—including absolute maximum ratings, electrical characteristics, and package thermal data—this analysis demonstrates how engineers interpret these parameters to ensure reliable circuit design.
Introduction The designation "SN51" typically aligns with industry-standard nomenclature for silicon transistors or integrated circuits, often originating from legacy Texas Instruments part numbers. While specific documentation for an "SN51DP" variant suggests a specialized or proprietary iteration (possibly denoting a specific "DP" package type or "Dual Polarity" configuration), the analysis of its datasheet follows a universal engineering methodology. The datasheet is not merely a list of numbers; it is a blueprint that dictates the operational boundaries and performance efficacy of the component within a broader electronic system.
Device Categorization and Description The first section of the SN51DP datasheet would typically define the product family. Assuming a lineage similar to standard SN51-series devices, the component is likely a general-purpose bipolar junction transistor (BJT) or a specialized switching diode. The "DP" suffix could indicate a Dual-Inline Package (DIP) or a distinct manufacturer grading for higher precision. The "Description" block provides the designer with the fundamental identity of the part—whether it is an NPN/PNP transistor, a logic gate, or a voltage regulator—allowing for immediate compatibility assessment with the project requirements.
Absolute Maximum Ratings: The Boundaries of Survival The most critical section for hardware reliability is the "Absolute Maximum Ratings." For the SN51DP, this section dictates the stress limits beyond which permanent damage may occur. Key parameters likely include:
Electrical Characteristics: Operational Performance While maximum ratings define survival, the "Electrical Characteristics" define performance. For the SN51DP, this section would detail parameters measured under specific test conditions.
Thermal and Mechanical Considerations The physical implementation of the SN51DP is governed by the thermal and mechanical data within the datasheet. The "Thermal Resistance" (RθJA or RθJC) quantifies the component's ability to dissipate heat into the environment. If the SN51DP is a power device, this section dictates the necessity and size of external heatsinks. Furthermore, the package dimensions and pin configurations (often found in the mechanical drawings) are essential for PCB (Printed Circuit Board) layout, ensuring the footprint matches the design software and assembly equipment.
Application Notes and Derating A well-constructed datasheet for the SN51DP would likely conclude with application notes and derating curves. Derating curves graphically represent how the device's power handling capability decreases as ambient temperature rises. This ensures that an engineer designing a system for a hot environment does not overstress the component. Application notes provide context, offering sample circuits or layout recommendations that optimize the SN51DP’s performance, acting as a guide for best practices.
Conclusion The SN51DP datasheet represents the essential contract between the component manufacturer and the design engineer. Through a rigorous examination of absolute maximum ratings, electrical characteristics, and thermal constraints, the datasheet transforms the component from a black box into a predictable design element. Mastery of this document is a prerequisite for successful electronic engineering, ensuring that the SN51DP operates efficiently, reliably, and within its designed parameters throughout the product lifecycle.
Note: As "SN51DP" appears to be a specific or potentially non-standard part number, this essay assumes standard semiconductor datasheet conventions. If "SN51DP" refers to a specific niche component (e.g., a specific sensor, relay, or RF module), the technical parameters mentioned above would shift accordingly to accommodate that device's primary function.
The SN51DP is a standalone Digital Pulse Width Modulator (DPWM) integrated circuit designed for high-precision control in power and lighting systems. Key Features
According to the technical details provided by Utsource, the SN51DP offers:
Precision Resolution: High-speed pulse width modulation with programmable resolution up to 8-bits.
Integrated Power Management: Features an on-chip 3.3V regulator and integrated power and ground planes to simplify circuit design.
Stability: Low jitter operation for consistent signal output.
Protection: I/O pins and internal connections are ESD protected to prevent damage from static discharge. Applications
The device is primarily used for systems requiring fine-tuned electrical control, including: Motor Control: Speed control for DC motors. Lighting: LED lighting brightness and dimming control.
PWM Systems: General-purpose pulse-width modulation control systems.
Aerospace & Defense: High-reliability deployment in flight control units, radar modules, and secure communication devices due to its resistance to electromagnetic interference. Pin Configuration & Package
Form Factor: Often found in a 16-pin configuration for integrated circuit (IC) setups.
Manufacturer/Availability: This part is commonly listed by electronics suppliers like Alibaba and Utsource, though it is not a widely standardized part number across all major semiconductor manufacturers. SN51DP | In Stock - Utsource
The SN51DP is an ON-BRIG, 10-pin MSOP/SSOP digital pulse width modulator (DPWM) functioning as a LED TV backlight driver for brands like Arielli and Crown. Operating with a 3.5V to 7V supply and providing 8-bit resolution, this IC manages backlight, protection, and dimming in LED TV main boards. For technical details and to view the component, visit NETASHOP.GR SN51DP LED TV DRIVER - NETASHOP.GR
The SN51DP is a power management IC primarily used as an LED backlight driver for liquid crystal display (LCD) televisions. Manufactured by On-Bright Electronics, it is commonly found in TV repair contexts, often replaced by or cross-referenced with the OB3350 CP driver IC. Key Technical Specifications Based on manufacturer data and technical listings features the following: Package Type: MSOP-10 (10-pin Surface Mount). Operating Voltage: Minimum 3.5V to Maximum 7V. Temperature Range: Operating from -20°C to 130°C.
Main Function: Standalone digital pulse width modulator (DPWM) for precision LED lighting and DC motor control. Pinout and Schematic Details
The IC typically utilizes a 10-pin configuration to manage power and feedback for LED backlights: Pin 1 (VIN): Input voltage. Pin 2 (GATE): Output to drive the external MOSFET. Pin 3 (GND): Ground connection. The SN51DP is a high-speed, low-power, differential driver
Pin 4 (CS): Current sense for protecting and regulating output. Pin 8 (OVP): Over-voltage protection. Pin 10 (DIM): Dimming control input. Common Applications and Issues
Technicians often encounter this chip when troubleshooting LED TV backlight failures where the display remains dark but sound is present.
Troubleshooting: If the output voltage to the LEDs is too low (e.g., ~25V for a 32-inch screen), the IC may be defective.
Replacement: It is often sold in multi-packs on sites like AliExpress for industrial and home electronics repair.
Reliability: Operating near its maximum junction temperature (125°C) in sealed enclosures can significantly reduce its lifespan. LED driver IC replacement.
The SN51DP is a specialized integrated circuit (IC) primarily used as a LED backlight driver and power management controller for LCD televisions and monitors. Often manufactured by brands like On-Bright (noted as "ON-BRIG" in some listings), this component is critical for regulating high-brightness LEDs used in modern display panels. Key Technical Specifications
The following parameters are typically found in the SN51DP datasheet from providers like Utsource and Alibaba: Value/Detail Package Type SSOP-10 or MSOP-10 (Surface Mount) Pin Count Supply Voltage (Vin) 3.5V to 7V (Typical operating range) Max Input Voltage 6V (Absolute maximum; requires protection above this) Operating Temperature -20°C to +130°C (Storage/Junction); 85°C (Ambient) Primary Function Standalone Digital Pulse Width Modulator (DPWM) Pin Configuration and Layout
The SN51DP pinout usually follows a standard 10-pin configuration for LED drivers: VIN / VCC: Power supply input.
GATE: Output to drive the external MOSFET for the boost converter.
CS (Current Sense): Monitors the current flowing through the LEDs for regulation.
DIM (Dimming): Input for PWM or analog dimming signals to control brightness.
FB (Feedback): Used to stabilize the output voltage/current loop.
OVP (Over Voltage Protection): Protects the circuit if the LED string is disconnected. COMP: Compensation pin for loop stability. Common Applications
The SN51DP is a staple in the repair of LED TVs from brands like Arielli, Crown, and Felix, particularly those using the TP.S506.PB801 or TP.V56.PB801 main boards. SN51DP - Original Electronic Components for PCB & BOM
Introduction to SN51DP. The SN51DP is a versatile and advanced component used in various industrial applications. Types of SN51DP. Alibaba.com SN51DP LED TV DRIVER - NETASHOP.GR
stands as a silent sentinel. To the outside world, it’s just a tiny SSOP10 package
—scarcely 4mm long—but to the television, it is the conductor of light. 06:00 AM – The Wake-Up Call
The power button clicks. Suddenly, 12V of potential surges toward Pin 1 (VIN). The SN51DP doesn't flinch; its internal 3.3V regulator stabilizes, and its heart—a high-precision Digital Pulse Width Modulator (DPWM)
—begins to beat. It checks its surroundings. It senses the temperature (happily operating anywhere between -20°C and 130°C) and confirms the environment is safe. 08:00 AM – The Balancing Act The morning news is on. The SN51DP is busy managing the LED backlight driver . Through its
, it sends rapid pulses to the MOSFETs, telling them exactly how long to stay open. It’s a delicate dance: Pin 10 (DIM): Receives the brightness command from the main board. Pin 5 (CS):
Constantly "feels" the current flow, ensuring the LEDs don't burn out from over-excitement. Pin 8 (COMP):
Smooths out the feedback loop so the screen doesn't flicker while you drink your coffee. 02:00 PM – The Crisis Averted
A sudden power spike ripples through the house. Many chips might panic, but the SN51DP has Over-Voltage Protection (OVP)
hardwired into Pin 9. It detects the danger instantly and throttles the GATE output. In some workshops, repair technicians even whisper about "bypassing" this protection with a 10K resistor on Pin 9
to test stubborn backlights, but for now, the SN51DP does its job perfectly, keeping the screen dark rather than letting it die. 11:00 PM – The Final Fade
The movie ends, and the sleep timer kicks in. The DIM signal drops to zero. The SN51DP gracefully shuts down its high-speed oscillators, its RoHS-compliant
materials resting coolly against the circuit board. It has lived through billions of cycles today, all to ensure that every pixel had the perfect amount of light. Key Specifications from the Datasheet:
Standalone Digital Pulse Width Modulator (DPWM) / LED Driver. 10-pin SSOP/MSOP. Voltage Range: 3.5V to 7V (Logic) with higher VIN for power. Common Use:
Backlight driver for LED TVs (Arielli, Crown, Felix, Hisense). schematic breakdown of how to wire the SN51DP for a custom LED project? The IC Sn51dp schematic , ic inverter by-passing protection
The SN51DP is a specialized LED Driver and Power Management IC primarily used as a backlight controller for LCD/LED TVs and industrial displays. It is commonly found on mainboards such as the TP.S506.PB801 and is used in television brands like Arielli, Crown, and Felix. ## Technical Specifications Package Type: SSOP-10 or MSOP-10 (10-pin Surface Mount).
Operating Voltage: Typically operates on a 12V supply for its input (VIN). Max Operating Temp: 85°C.
Functionality: Standalone digital pulse width modulator (DPWM) for precise LED brightness control. ### Pinout Configuration (10-Pin)
Based on available schematics, the pin functions are as follows: Description 1 VIN Supply voltage input (12V typical) 2 GATE Output drive for the external MOSFET 3 GATE- Complementary or ground reference for gate 4 GND Ground connection 5 CS Current Sense (monitors LED current) 6 ISET Current setting pin (reference resistor) 7 REF Internal reference voltage 8 FB Feedback pin for voltage/current regulation 9 OVP / COMP Over-Voltage Protection or Compensation 10 DIM / OPWM Dimming control input (PWM or Analog) ### Protection & Repair Tips The IC Sn51dp schematic , ic inverter by-passing protection
The SN51DP is a standalone Digital Pulse Width Modulator (DPWM) IC designed for precision control in power electronics. While it is a specialized component, its ability to manage high-speed, high-resolution pulses makes it a cornerstone for modern digital power systems. Key Specifications & Features
Based on technical listings from retailers like Utsource, here are the primary attributes of the SN51DP:
Core Function: Operates as a standalone modulator to convert digital signals into high-precision pulse width modulation (PWM) outputs.
Resolution: Offers a programmable resolution of up to 8-bits, allowing for fine-tuned control over output signals. High-speed operation: up to 500 Mbps Low power
Performance: Features low jitter operation, which is critical for maintaining stability in sensitive timing applications.
On-Chip Regulation: Includes an integrated 3.3V regulator, simplifying the external circuit requirements by providing its own stable voltage source.
Protection: Equipped with ESD protection on both I/O pins and internal connections to safeguard against static discharge during handling. Common Applications
The SN51DP is typically used in circuits where precise, digital control of power is necessary:
DC Motor Control: Regulating motor speed with high precision.
LED Lighting: Managing dimming and brightness levels in advanced lighting systems.
PWM Control Systems: Acting as a general-purpose controller in various pulse-modulated power stages.
Inverter Protection: Frequently utilized in inverter circuits for bypassing protection or monitoring system health. Quick Integration Guide Logic Voltage 3.3V (provided by internal regulator) Interface Digital Pulse Width Modulation Stability Low Jitter architecture Robustness Integrated power and ground planes for reduced noise
For those looking for a detailed SN51DP datasheet PDF, it is occasionally hosted on community drives such as this Google Drive link or specialized parts databases. The IC Sn51dp schematic , ic inverter by-passing protection
SN51DP Datasheet
Overview
The SN51DP is a differential driver and receiver that operates at high speeds and low power consumption. It is designed to transmit and receive data over long distances, making it suitable for applications that require reliable data transmission.
Features
Pin Configuration
The SN51DP is available in an 8-pin SOIC package. The pin configuration is as follows:
| 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) |
Functional Description
The SN51DP consists of a differential driver and receiver. The driver section converts a single-ended input signal into a differential output signal, while the receiver section converts a differential input signal into a single-ended output signal.
Driver Section
The driver section is designed to transmit data over long distances. It has a high-impedance output when disabled, allowing multiple drivers to be connected to a single bus.
Receiver Section
The receiver section is designed to receive data from a differential source. It has a fail-safe circuitry that prevents invalid outputs when the input is shorted or open.
Control Pins
The SN51DP has two control pins: EN (Enable) and SHDN (Shutdown).
Electrical Characteristics
The SN51DP has the following electrical characteristics:
Timing Characteristics
The SN51DP has the following timing characteristics:
Thermal Characteristics
The SN51DP has a maximum operating temperature of 125°C. The thermal characteristics are as follows:
Mechanical Characteristics
The SN51DP is available in an 8-pin SOIC package. The mechanical characteristics are as follows:
Ordering Information
The SN51DP can be ordered in various packaging options:
Conclusion
The SN51DP is a high-speed, low-power differential driver and receiver designed for use in various applications. It has a high-impedance output when disabled, allowing multiple drivers to be connected to a single bus. The device has a fail-safe circuitry that prevents invalid outputs when the input is shorted or open. The SN51DP is available in a small package and has a maximum operating temperature of 125°C.