RT9711BGS

Description：IC PWR SWITCH N-CHANNEL 1:1 8SOP
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR)

SKU:b513e798a7f2 Category: Power Distribution Switches, Load Drivers Brand: Richtek USA Inc.

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Product introduction

Product Detailed Parameters

Description：IC PWR SWITCH N-CHANNEL 1:1 8SOP
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR)
Switch Type：USB Switch
Number of Outputs：1
Ratio - Input:Output：1:01
Output Configuration：High Side
Output Type：N-Channel
Interface：On/Off
Voltage - Load：2.5V ~ 5.5V
Voltage - Supply (Vcc/Vdd)：Not Required
Current - Output (Max)：1.5A
Rds On (Typ)：90mOhm
Input Type：Non-Inverting
Features：Status Flag
Fault Protection：Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Supplier Device Package：8-SOP
Package / Case：8-SOIC (0.154", 3.90mm Width)
Grade：-
Qualification：-

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RT9711BGS

Overview

The RT9711BGS is a single N-MOSFET high-side power switch designed for USB applications. It features an integrated charge pump and a typical RDS(ON) of 80mΩ in the TSOT-23-5 package. The device supports a wide input voltage range from 2.5V to 5.5V and guarantees a continuous load current of 1.5A. It includes an open-drain fault flag output, soft-start functionality, and thermal shutdown protection. The quiescent current is typically 25μA when on and 1μA when off.

Feature Summary

Compliant with USB specifications for self-powered and bus-powered applications
Built-in N-MOSFET with low on-resistance and charge pump drive circuitry
Open-drain fault flag output indicating fault conditions to the local controller
Integrated protection including thermal shutdown, UVLO, and reverse current blocking

Applications

Self-powered Universal Serial Bus (USB) applications
Bus-powered Universal Serial Bus (USB) applications
Hot plug-in peripheral connections
Portable battery-operated equipment requiring low quiescent current

Procurement Notes

Verify the specific suffix 'GS' corresponds to the TSOT-23-5 package variant with 80mΩ RDS(ON) as per the manufacturer's datasheet. Confirm that the order quantity aligns with the standard tape and reel packaging requirements for this surface-mount component. Ensure compatibility with the intended USB host or peripheral interface logic levels.

Selection Notes

Select the RT9711BGS when a 1.5A continuous current rating is required for high-side switching. This model is suitable for designs needing a compact TSOT-23-5 footprint. Choose this part over variants with lower current ratings if the application demands higher load capacity while maintaining USB compliance and low standby power consumption.

Part Context

The RT9711 series comprises cost-effective, low-voltage power switches optimized for USB interfaces. The B variant specifically denotes the 1.5A current capability within the family. These devices integrate protection features essential for portable electronics, ensuring reliable operation under varying load and thermal conditions while minimizing board space usage.