RT9715BGB

Overview

The RT9715BGB is a single-channel high-side power switch manufactured by Richtek USA Inc., designed for USB and portable applications. It features an N-channel output with a maximum continuous current of 2A and a typical on-resistance of 90 milliohms. The device operates within a load voltage range of 2.7V to 5.5V without requiring a separate supply voltage. Integrated protections include fixed current limiting, thermal shutdown, reverse current blocking, and under-voltage lockout. It utilizes a non-inverting open/switch interface and provides status flag outputs. The component is housed in a SOT-23-5R package and supports surface mount installation across a junction temperature range of -40°C to 100°C.

Feature Summary

• Integrates an N-channel MOSFET with low on-resistance for efficient power switching
• Provides comprehensive fault protection including fixed current limit, thermal shutdown, and reverse current blocking
• Features a status flag output for monitoring operational states
• Operates without external supply voltage requirements

Applications

• USB hub power distribution
• Portable battery-operated equipment
• Hot-plug capable peripheral connections

Procurement Notes

Verify the specific suffix 'BGB' against official datasheets to confirm pinout and package dimensions, as variations exist within the series. Confirm RoHS compliance status and check for End-of-Life notifications, as this product line may have discontinuation notices. Ensure the supplier source matches the manufacturer's authorized distribution channels to avoid counterfeit components.

Selection Notes

Select this component for applications requiring a compact, single-channel high-side switch with integrated protection. Compare the 2A current rating and 90mΩ resistance against load requirements. Consider the SOT-23-5R footprint constraints and the need for status flag reporting when designing the circuit layout.

Part Context

The RT9715 series consists of high-side power switches tailored for USB and portable electronics. This model represents the N-channel variant within the family, offering robust protection features suitable for bus-powered devices. It complements other Richtek PMIC solutions by providing dedicated load switching capabilities in a minimal footprint.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.