RT9715HGB

$0.15

Description：IC PWR SWITCH N-CHAN 1:1 SOT23-5
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR)

SKU:9c51092c14c0 Category: Power Distribution Switches, Load Drivers Brand: Richtek USA Inc.

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Product introduction

Product Detailed Parameters

Description：IC PWR SWITCH N-CHAN 1:1 SOT23-5
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：2.7V ~ 5.5V
Voltage - Supply (Vcc/Vdd)：Not Required
Current - Output (Max)：700mA
Rds On (Typ)：90mOhm
Input Type：Non-Inverting
Features：Load Discharge, Status Flag
Fault Protection：Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO
Operating Temperature：-40°C ~ 100°C (TJ)
Mounting Type：Surface Mount
Supplier Device Package：SOT-23-5
Package / Case：SC-74A, SOT-753
Grade：-
Qualification：-

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RT9715HGB

Overview

The RT9715HGB is a single N-channel high-side power switch IC designed for USB applications. It features a low on-resistance of 90 milliohms and supports a load voltage range of 2.7V to 5.5V with a maximum output current of 700mA. The device includes integrated fault protection mechanisms such as fixed current limiting, over-temperature shutdown, reverse current blocking, and under-voltage lockout. It operates within a junction temperature range of -40°C to 100°C and utilizes an 8-pin MSOP package.

Feature Summary

Integrates a single N-channel MOSFET in a high-side configuration for efficient power distribution.
Provides comprehensive fault protection including fixed current limiting, thermal shutdown, and reverse current prevention.
Features a load discharge function to rapidly de-energize the output when disabled.

Applications

USB port power switching
Load driver circuits
Power distribution networks

Procurement Notes

Verify component authenticity due to obsolete status. Confirm package integrity and pin alignment against original specifications. Check for moisture sensitivity damage if storage conditions were not maintained. Validate that the specific suffix matches the required electrical characteristics for the target design.

Selection Notes

Select this component for low-voltage USB power management requiring high-side switching. Ensure input voltage remains within the 2.7V to 5.5V operational window. Consider the 90 milliohm on-resistance for efficiency calculations. Verify that the 700mA current limit aligns with downstream load requirements without triggering unnecessary protection.

Part Context

This part belongs to Richtek's power management portfolio, specifically categorized under load drivers and power switches. It is engineered for cost-effective solutions in portable electronics and peripheral devices where space-constrained packaging and robust protection are critical for system reliability.

Replacement Considerations

The RT9715HGB is officially marked as obsolete. Designers should evaluate alternative power switches from the same manufacturer or compatible third-party components that match the 8MSOP footprint and electrical specifications.