Richtek

RT9742GNGJ5  

Power Distribution Switches, Load Drivers

RT9742GNGJ5 Description

The RT9742GNGJ5 is a high-performance power switch designed by Richtek USA Inc., a leading manufacturer in the power management industry. This device is specifically engineered to provide efficient power switching in various electronic applications. With its high-side output configuration, the RT9742GNGJ5 ensures reliable power delivery and control.

Key technical specifications include a maximum output current of 1A, making it suitable for applications requiring moderate power levels. The device operates within a load voltage range of 2.7V to 6V, offering flexibility in voltage requirements. The 1:1 input-to-output ratio ensures that the input voltage is directly transferred to the output, maintaining efficiency and minimizing power loss.

The RT9742GNGJ5 features a typical on-state resistance (Rds On) of 70mOhm, which significantly reduces power dissipation and enhances overall system efficiency. This power switch also includes robust fault protection mechanisms such as fixed current limiting, over-temperature protection, reverse current protection, and under-voltage lockout (UVLO). These features safeguard the device and connected circuits from potential damage due to abnormal operating conditions.

RT9742GNGJ5 Features

• High-Side Output Configuration: Ensures efficient power delivery and control.
• Maximum Output Current: 1A, suitable for a wide range of applications.
• Load Voltage Range: 2.7V to 6V, providing flexibility in voltage requirements.
• 1:1 Input-to-Output Ratio: Direct voltage transfer from input to output, minimizing power loss.
• Low On-State Resistance (Rds On): 70mOhm, reducing power dissipation and enhancing efficiency.
• Fault Protection: Comprehensive protection mechanisms including fixed current limiting, over-temperature protection, reverse current protection, and UVLO.
• Surface Mount Packaging: TSOT23-5 package, ideal for compact designs and easy integration.
• Compliance: REACH Unaffected and ROHS3 Compliant, ensuring environmental safety and regulatory adherence.
• Moisture Sensitivity Level (MSL): Level 3 (168 Hours), suitable for standard manufacturing processes.
• Interface: Simple on/off control, facilitating straightforward integration into various systems.

RT9742GNGJ5 Applications

The RT9742GNGJ5 is ideal for a variety of applications where efficient power switching and robust protection are critical. Its high-side output configuration and comprehensive fault protection make it particularly suitable for:

• Consumer Electronics: Power management in devices such as smartphones, tablets, and portable gaming consoles.
• Communication Devices: Power switching in routers, modems, and other networking equipment.
• Industrial Applications: Efficient power control in industrial control systems and automation equipment.
• Automotive Electronics: Power management in infotainment systems, telematics, and other automotive electronics.

Conclusion of RT9742GNGJ5

The RT9742GNGJ5 from Richtek USA Inc. stands out as a reliable and efficient power switch, offering a comprehensive set of features and benefits. Its high-side output configuration, low on-state resistance, and robust fault protection mechanisms make it an ideal choice for a wide range of applications. The device's compliance with REACH and ROHS3 standards ensures environmental safety and regulatory adherence. With its compact TSOT23-5 package and simple on/off interface, the RT9742GNGJ5 is easy to integrate into various electronic systems, making it a versatile and valuable component in the power management industry.

RT9742GNGJ5 Documents

Download datasheets and manufacturer documentation for RT9742GNGJ5

Datasheets :

RT9742      

Reference Design Library :

EVB_RT9742AGJ5F: 3A, 2.7 ~ 6V, High-Side Switch, 55mOhm, w/ Flag      

Environmental Information :

Richtek REACH       RoHS Declaration