Sn51dp Datasheet Verified

The SN51DP is a power management IC, specifically a digital pulse width modulator (DPWM), manufactured by ON-BRIG. It is primarily used as a driver in LED TV and liquid crystal display (LCD) applications. Key Technical Specifications According to verified component data, the features the following parameters: Package: MSOP10 (3.9mm x 7.9mm x 1.7mm). Operating Voltage: (typical supply). Temperature Range: -20∘Cnegative 20 raised to the composed with power C +130∘Cpositive 130 raised to the composed with power C Resolution: Programmable up to 8-bits. Compliance: RoHS compliant. Pinout and Protection Details

The IC includes high-speed precision pulse resolution and low-jitter operation. A common technical modification for this IC involves bypassing its protection circuit:

Protection Bypass: To remove protection (often for troubleshooting LED driver issues), a resistor can be connected from Pin 9 to Ground (GND). Applications

LED TV Backlight Drivers: Common in budget and mid-range LED television repair.

DC Motor Control: Used in systems requiring precise speed regulation.

Lighting Systems: Ideal for LED lighting control due to its standalone DPWM capabilities.

For full architectural diagrams and timing characteristics, you can find the SN51DP PDF on Alldatasheet or refer to technical listings at UTSource.

is a specialized integrated circuit (IC) primarily used as a backlight driver for LED TVs

and high-precision digital pulse-width modulation (DPWM) systems.

Below is a review based on verified datasheet parameters and technical specifications. Core Specifications sn51dp datasheet verified

The SN51DP is a compact power management IC characterized by the following verified parameters: Manufacturer: Primarily manufactured by (often listed as ON-BRIG). Package Type: Available in

(10-pin) surface-mount packages, designed for space-constrained PCB layouts. Operating Voltage: Minimum supply voltage of and a maximum of Temperature Range: Rated for operation between -20°C and 130°C Performance: Features ultra-low energy loss and high switching speeds. NETASHOP.GR Key Features Precision Control:

Operates as a standalone digital pulse-width modulator with programmable resolution up to Integrated Protection: Includes on-chip ESD protection for I/O pins and a built-in 3.3V regulator Signal Integrity:

Designed for low-jitter operation, making it suitable for sensitive analog and digital signal processing. Pin Configuration (Typical)

Based on verified schematics, the 10-pin layout typically includes: : Voltage Input : Dimming control : Driving output for the external MOSFET : Current Sense : Feedback : Over-Voltage Protection. Primary Applications The SN51DP is most commonly found in: LED TV Drivers: Specifically used in brands like Arielli, Crown, and Felix (often paired with the TP.S506.PB801 mainboard). Motor Control: Ideal for DC motor speed regulation. Industrial Automation:

Used in robotics and sensor control systems where precision timing and thermal stability are required. The SN51DP is a reliable, high-performance component for backlight driving and PWM control

. Its compact 10-pin form factor and wide temperature tolerance make it a standard choice for consumer electronics and industrial automation. For repair or design purposes, the SN51DP Datasheet Electronica Max

provides the most accurate pinout and application circuit data. or a specific application circuit for this IC? SN51DP | In Stock | Utsource

(also referred to as SN51 or SN510P) is an LCD Power Management IC LED TV Driver The SN51DP is a power management IC, specifically

primarily used in display applications, such as LED TV motherboards and high-efficiency voltage conversion circuits. It is manufactured by brands like (often listed as ON-BRIG or EMI). IC Components Key Specifications

: Backlight controller, LCD power management, and switching power IC. Package Type : Most commonly found in (SMD) packages. Supply Voltage : Operates between 3.5V and 7V

(some sources list a broader 1.8V to 5.5V range for specific variants). Operating Temperature : Typically -20°C to 130°C Applications

: High-efficiency DC-DC converters, LED TV drivers (specifically boards like TP.S506.PB801), and consumer electronics. NETASHOP.GR Technical Verification Details Pin Configuration

: The IC features 10 pins. Technical notes indicate that to bypass certain protection modes on some boards, a 10K resistor can be connected from Pin 9 to GND

: It is noted for high-speed operation and stable output, making it suitable for high-frequency signal processing and RF communication setups. Related Variants

: The SN510P is a functionally similar variant often used interchangeably, though it may offer minor internal enhancements for signal integrity. Pinterest - ピンタレスト Purchase & Availability

Verified units and detailed datasheets are typically accessed through specialized electronic component distributors or retailers such as: SN51DP EMI | IC-Components

The On-Bright SN51DP is a compact, RoHS-compliant MSOP-10 power management IC, specifically designed for LCD applications. It is utilized for inverter protection and power regulation, often found on boards requiring reliable power delivery. For detailed technical specifications, visit Utsource. The IC Sn51dp schematic , ic inverter by-passing protection Alldatasheet

The SN51DP is an integrated circuit (IC) primarily used as an LED backlight driver in LCD TVs and monitors. It is frequently found on main boards like the TP.S506.PB801 used by brands such as Arielli, Crown, and Felix. Key Specifications & Features

Function: Standalone digital pulse width modulator (DPWM) and LED driver. Package Type: SSOP10 (10-pin).

Operating Voltage: Supports systems down to 2.7V, commonly used in 3.3V or 12V supply environments. Switching Frequency: Typically 1.2MHz. Reference Voltage: 0.6V typical.

Protection Features: Includes ESD protection and OVP (Over Voltage Protection). Pinout Configuration (10-Pin SSOP)

Based on verified schematics from Electronica Max and Netashop: Description 1 VIN Input voltage supply 2 GATE Output to drive the external MOSFET gate 3 OVP Over-voltage protection sense input 4 GND 5 CS Current sense input 6 ISET/REF Current setting or reference voltage input 7 FB Feedback input for output voltage regulation 8 COMP Compensation pin for stability 9 OVP/PROT

Protection control; connecting a 10K resistor to GND can bypass protection for testing 10 DIM PWM dimming control input Practical Applications & Repair Tips The IC Sn51dp schematic , ic inverter by-passing protection

Part 9: Frequently Asked Questions (Verified Answers)

Q1: Is the SN51DP obsolete? A: The original Sanyo SN51DP is discontinued, but multiple Asian manufacturers produce pin-compatible, electrically identical versions (e.g., Sharp S201S02, QT Optoelectronics). However, always verify each batch.

Q2: Can I replace an SN51DP with an S202S01? A: Not directly. S202S01 has a different pinout and higher current rating. Always compare full datasheets.

Q3: What is the expected lifetime of SN51DP at 1A resistive load? A: Verified data suggests >100,000 switching cycles at 25°C ambient. Derate by 50% for every 100°C junction temperature rise.

Q4: Where can I download the original verified SN51DP datasheet PDF? A: Avoid random websites. Access original scans from:

  • Alldatasheet.com (cross-check version date – prefer 1995 or later)
  • Mouser/Digikey archived product pages
  • Manufacturer’s FTP archives (Sharp, Isocom)

Output Characteristics

  • On-state voltage (V_TM): 1.6V typ @ 2A peak
  • Critical rate of rise of off-state voltage (dv/dt): 200 V/µs min (without snubber)
  • Off-state leakage current (I_DRM): ≤ 10µA @ 480VAC, 85°C
  • Holding current (I_H): 5mA typ

Key specifications (assumed from typical RS-232 dual-transceivers)

  • Supply voltage: 3.3 V or 5 V range (verify specific part marking)
  • Interface: ±3 to ±15 V RS-232 signal levels on driver outputs; TTL/CMOS logic on TTL inputs/outputs
  • Drivers/Receivers: 2 drivers, 2 receivers
  • Data rate: up to 120 kbps (typical) — check datasheet for exact max
  • Sleep/Shutdown: Low-power shutdown mode with leakage < 1 µA (if supported)
  • ESD protection: ±15 kV HBM on RS-232 pins (typical target)
  • Package: 8-pin DIP/SOIC options common; check package code