RT9715EGS

Overview

The RT9715EGS is a power distribution switch and load driver manufactured by Richtek USA Inc. It features an N-channel output configured for high-side switching with a 1:1 input-to-output ratio. The device supports a load voltage range of 2.7V to 5.5V and delivers a maximum output current of 1.1A. Key electrical specifications include a typical on-resistance of 90 milliohms and a fixed current limit. Integrated fault protection mechanisms encompass over-temperature, reverse current, under-voltage lockout (UVLO), and load release capabilities. The component utilizes a non-inverting interface and operates within a junction temperature range of -40°C to 100°C.

Feature Summary

• Integrates USB-compatible power switching with high-side N-channel topology
• Provides comprehensive fault protection including thermal shutdown and reverse current blocking
• Features status flag indication and load release functionality for system monitoring

Applications

• USB port power distribution and protection
• Load drivers for peripheral devices
• Power management in portable electronics

Procurement Notes

Verify component authenticity through authorized distributors or certified agents, as the RT9715EGS is officially obsolete and no longer manufactured by Richtek USA Inc. Request specific lot codes and traceability documentation to ensure compliance with quality standards. Confirm that substitute components meet all original electrical and mechanical specifications before integration into production systems.

Selection Notes

Select this component for applications requiring robust USB power switching with integrated protection features. Ensure the design accommodates the 2.7V to 5.5V load voltage range and the 1.1A current capability. Consider the 8-SOP package dimensions for PCB layout constraints. Evaluate alternative parts if the obsolete status poses supply chain risks, ensuring functional equivalence in protection logic and electrical parameters.

Part Context

The RT9715EGS belongs to the RT9715 series of power distribution switches from Richtek USA Inc. This series is designed for efficient power management in USB and general load driving applications. The EG suffix denotes the specific 8-SOP package variant. The component integrates control circuitry with the power switch to provide simplified system design and enhanced reliability through built-in diagnostic features.

Replacement Considerations

Public confirmed substitute part number: ISP752RFUMA1 (Infineon Technologies). Verify pin compatibility and electrical parameter alignment when transitioning to this alternative.

FAQ

What is the maximum continuous output current for the RT9715EGS?

The maximum output current is 1.1A.

Does the RT9715EGS support reverse current protection?

Yes, the device includes integrated reverse current protection as part of its fault protection suite.