Richtek Tariff Inquiry

RT9742CGJ5

The Richtek RT9742CGJ5 is a highly integrated, high-efficiency, synchronous, step-down (buck) regulator designed for a wide range of applications. It offers a compact solution with high performance and efficiency, making it an ideal choice for a variety of power management needs.

Description:

The RT9742CGJ5 is a synchronous buck regulator that offers a wide input voltage range of 4.75V to 22V and can deliver an output voltage as low as 0.9V. It is available in a compact 6mm x 5mm QFN package, making it suitable for space-constrained applications.

Features:

1. High Efficiency: The RT9742CGJ5 offers high efficiency up to 93%, making it an energy-efficient solution for power management.
2. Wide Input Voltage Range: The regulator can handle input voltages from 4.75V to 22V, making it suitable for a wide range of applications.
3. Low Output Voltage: The output voltage can be as low as 0.9V, which is useful for applications that require low output voltage levels.
4. Synchronous Rectification: The RT9742CGJ5 uses synchronous rectification, which improves efficiency and reduces power dissipation.
5. Compact Package: The regulator is available in a small 6mm x 5mm QFN package, making it suitable for space-constrained applications.
6. Protection Features: The RT9742CGJ5 includes over-current protection, over-voltage protection, and thermal shutdown protection to ensure safe operation.

Applications:

The Richtek RT9742CGJ5 is suitable for a wide range of applications, including:

1. Portable Electronics: The high efficiency and low output voltage make it ideal for powering portable electronic devices such as smartphones, tablets, and wearable devices.
2. Industrial Equipment: The wide input voltage range and robust protection features make it suitable for use in industrial equipment that requires stable and reliable power.
3. Medical Devices: The compact size and high efficiency of the RT9742CGJ5 make it a good choice for powering medical devices that require precise voltage regulation.
4. Automotive Applications: The regulator can be used in automotive applications that require a stable power supply, such as infotainment systems and advanced driver-assistance systems (ADAS).
5. LED Lighting: The RT9742CGJ5 can be used to power LED lighting systems, providing efficient and reliable power management.

In summary, the Richtek RT9742CGJ5 is a high-performance, efficient, and compact synchronous buck regulator that offers a wide input voltage range and low output voltage. Its features and applications make it an ideal choice for a variety of power management needs in portable electronics, industrial equipment, medical devices, automotive applications, and LED lighting systems.