Power Supply Input. This provides the primary operating voltage for the IC's internal logic and gate drive.
Digital pulse-width modulation (DPWM) dimming control input line. GATE
According to the verified pinout diagram, the 10-pin layout is: Input Voltage DIM: Dimming Control Input (PWM or Analog) GATE: Gate Drive for External MOSFET GND: Ground CS: Current Sense FB: Feedback Pin REF: Reference Voltage OVP: Over-Voltage Protection GND (or NC): Ground / No Connection (VCC/NC): Power Supply Typical Applications
provides the most accurate pinout and application circuit data. or a specific application circuit for this IC? SN51DP | In Stock | Utsource sn51dp datasheet verified
This article provides a of the SN51DP, covering its pinout, key specifications, typical applications, and troubleshooting techniques. What is the SN51DP?
is verified by field repair technicians as a highly reliable cross-reference substitute. Both chips feature highly similar electrical profiles and pin-compatible layouts for standard display boost circuits.
In many cases, the SN51DP can be replaced with similar high-performance driver ICs, such as the OB3350CP , which also operates as a boost PWM controller. Key Checks: Always verify the VCCcap V sub cap C cap C end-sub pin (usually pin 10 or 1) has proper voltage ( 12V12 cap V Power Supply Input
Warning: This bypass should only be utilized briefly for troubleshooting diagnostics on a test bench. Leaving protection permanently disabled risks completely burning out the LED strips or causing a fire hazard. Component Substitution
If you are currently troubleshooting a specific mainboard, feel free to tell me: The of the television or display board
to calculate the required inductance based on your desired ripple current ( ΔILcap delta cap I sub cap L GATE According to the verified pinout diagram, the
When an LCD display loses its backlight but the audio remains fully functional, the issue can often be traced back to the driver array.
The SN51DP is sensitive to PCB layout. A verified guide for routing includes:
The is a specialized, highly efficient LED backlight driver integrated circuit (IC) manufactured by On-Bright Electronics . It is widely used in commercial displays, computer monitors, and LED televisions from brands like Arielli, Crown, and Felix.
Comprehensive Guide to the SN51DP LED Driver IC: Verified Datasheet Breakdown