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
: Includes an on-chip 3.3V regulator . Resolution : Programmable up to 8-bits . sn51dp datasheet
Technicians often encounter this chip when troubleshooting where the display remains dark but sound is present. The SN51DP is an ON-BRIG, 10-pin MSOP/SSOP digital
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. Propagation Delay : 2
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)
The SN51DP is an MSOP-10 package, Standalone Digital Pulse Width Modulator (DPWM) driver IC designed by On-Bright to manage backlight LEDs in modern displays. Detailed technical specifications reveal key functionalities including 8-bit precision brightness control via the DIM pin, over-voltage protection (OVP), and high-speed gate driving to manage LED intensity and system safety. Read the full technical specifications at Electronica Max . SN51DP - Electronica Max
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