Richtek

RT9742QNGJ5  

Power Distribution Switches, Load Drivers

RT9742QNGJ5 Description

The RT9742QNGJ5 is a high-performance IC USB power switch designed by Richtek USA Inc., a leading manufacturer in the electronics industry. This power switch is specifically engineered to provide robust and reliable power management for solutions a wide range of applications. The RT9742QNGJ5 features a high-side output configuration, ensuring efficient power delivery and control. It is currently an active product, indicating its suitability for new designs and projects.

RT9742QNGJ5 Features

The RT9742QNGJ5 boasts several key features that set it apart from similar models in the market. It supports a maximum output current of 500mA, making it ideal for applications requiring moderate power levels. The switch operates within a voltage range of 2.7V to 6V, offering flexibility in various power supply scenarios. Its 1:1 input-to-output ratio ensures direct and efficient power transfer.

One of the unique features of the RT9742QNGJ5 is its load discharge capability, which helps in safely managing the power-off sequence. Additionally, it includes a status flag that provides real-time of monitoring the switch's operational state. The device is equipped with comprehensive fault protection mechanisms, including fixed current limiting, over-temperature protection, reverse current protection, and under-voltage lockout (UVLO). These features enhance the reliability and safety of the power switch.

The RT9742QNGJ5 is designed for surface-mount applications, making it suitable for compact and space-constrained designs. It is packaged in a TSOT-23-5 package, which is known for its thermal efficiency and small footprint. The device also features a low on-resistance (Rds On) of 70mOhm, which minimizes power loss and improves overall efficiency.

RT9742QNGJ5 Applications

The RT9742QNGJ5 is ideal for a variety of applications, particularly those involving USB power management. Its ability to handle moderate power levels and its robust protection features make it suitable for consumer electronics, portable devices, and industrial applications. Some specific use cases include:

• USB-powered devices: The RT9742QNGJ5 can efficiently manage power for USB peripherals, ensuring reliable operation and protection against overcurrent and other faults.
• Portable electronics: Its compact design and surface-mount capability make it a perfect fit for portable devices that require efficient power management.
• Industrial control systems: The robust fault protection and reliable operation of the RT9742QNGJ5 make it suitable for industrial applications where power integrity and safety are critical.

Conclusion of RT9742QNGJ5

In conclusion, the RT9742QNGJ5 is a versatile and reliable power switch that offers a comprehensive set of features tailored for USB power management. Its robust fault protection, efficient power delivery, and compact design make it an excellent choice for a wide range of applications. The RT9742QNGJ5 stands out in the market due to its unique features and, benefits making it a preferred solution for engineers and designers seeking high-performance power management solutions.

RT9742QNGJ5 Documents

Download datasheets and manufacturer documentation for RT9742QNGJ5

Datasheets :

RT9742      

Environmental Information :

Richtek REACH       RoHS Declaration