The BD9676G-TR is a system power supply IC manufactured by Rohm Semiconductor. This IC is primarily designed for use in LCD TVs and monitors, providing all necessary power rails for the panel and associated circuitry. The device integrates multiple functions, including buck converters, boost converters, and LDO regulators, to deliver a complete power management solution.

Applications

• LCD TVs
• LCD Monitors
• Power supplies for display panels
• General power management systems

Features

• Integrated buck converters for core voltage generation
• Boost converter for backlight LED drive
• LDO regulators for auxiliary power supplies
• Overvoltage protection (OVP)
• Overcurrent protection (OCP)
• Thermal shutdown protection (TSD)
• Under voltage lockout (UVLO)
• Soft-start circuitry

Benefits

• Highly integrated solution reduces component count and board space
• Comprehensive protection features enhance system reliability
• Soft-start circuitry minimizes inrush current during startup
• High efficiency minimizes power dissipation and heat generation
• Suitable for driving large LCD panels
• Simplified design and layout due to integration

Additional Details

The BD9676G-TR is designed to provide a stable and efficient power supply for LCD panels. It typically includes multiple buck converters for generating core voltages for the panel's digital and analog circuitry. A boost converter is integrated to drive the backlight LEDs, and LDO regulators provide stable auxiliary power supplies for other system components. Protection features, such as OVP, OCP, and TSD, safeguard the IC and the connected circuitry from damage due to abnormal conditions. Soft-start circuitry minimizes inrush current during startup, reducing stress on the power supply components.

This part number is commonly used in LCD TV and monitor designs requiring a compact, reliable, and efficient power solution. Its integration of multiple functions and comprehensive protection features make it a suitable choice for demanding display applications.