Richtek

RT9742ANGJ5F  

Power Distribution Switches, Load Drivers

RT9742ANGJ5F Description

The RT9742ANGJ5F is a high-performance power switch designed for USB applications, offering robust performance and reliability. Manufactured by Richtek USA Inc., this device is part of the Power Management (PMIC) category and is housed in a compact TSOT23-5 package, making it ideal for space-constrained designs. The RT9742ANGJ5F features a high-side output configuration and supports a maximum output current of 3A, ensuring efficient power delivery to connected devices.

RT9742ANGJ5F Features

• Output Configuration: High Side
• Current - Output (Max): 3A
• Voltage - Load: 2.7V to 6V
• Ratio - Input:Output: 1:1
• Rds On (Typ): 55mOhm
• Number of Outputs: 1
• Fault Protection: Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO
• Features: Status Flag
• Mounting Type: Surface Mount
• Package: Tape & Reel (TR)
• Moisture Sensitivity Level (MSL): 3 (168 Hours)
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• ECCN: EAR99
• HTSUS: 8542.39.0001

The RT9742ANGJ5F stands out with its low on-state resistance (Rds On) of 55mOhm, which minimizes power loss and enhances efficiency. Its comprehensive fault protection mechanisms, including current limiting, over-temperature protection, reverse current protection, and UVLO (Under Voltage Lock Out), ensure reliable operation and protect against various fault conditions. The status flag feature provides real-time monitoring of the switch's operational status, facilitating effective system management.

RT9742ANGJ5F Applications

The RT9742ANGJ5F is ideally suited for applications requiring efficient power management and reliable USB connectivity. Its high-side output configuration and robust fault protection make it suitable for a wide range of consumer electronics, including smartphones, tablets, and portable devices. The device's ability to handle a maximum output current of 3A and support a load voltage range of 2.7V to 6V makes it versatile for various USB applications.

Specific use cases where the RT9742ANGJ5F excels include:

• USB Power Delivery: Efficiently managing power for USB devices, ensuring stable and reliable operation.
• Portable Devices: Ideal for compact, battery-operated devices where space and efficiency are critical.
• Consumer Electronics: Suitable for applications requiring robust power management and protection features.

Conclusion of RT9742ANGJ5F

The RT9742ANGJ5F from Richtek USA Inc. is a high-quality power switch designed to meet the demands of modern USB applications. Its low on-state resistance, comprehensive fault protection, and compact package make it a reliable and efficient choice for power management in consumer electronics. With its robust performance and compliance with industry standards such as REACH and RoHS3, the RT9742ANGJ5F offers significant advantages over similar models, making it an ideal solution for designers looking to optimize power delivery and system reliability.

RT9742ANGJ5F Documents

Download datasheets and manufacturer documentation for RT9742ANGJ5F

Datasheets :

RT9742      

Reference Design Library :

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

Environmental Information :

Richtek REACH       RoHS Declaration