RT9728BHGQW

$0.95

Description：IC PWR SWITCH P-CHAN 1:1 6WDFN
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:9e6328000b5f Category: Power Distribution Switches, Load Drivers Brand: Richtek USA Inc.

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Product introduction

Product Detailed Parameters

Description：IC PWR SWITCH P-CHAN 1:1 6WDFN
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Switch Type：USB Switch
Number of Outputs：1
Ratio - Input:Output：1:01
Output Configuration：High Side
Output Type：P-Channel
Interface：On/Off
Voltage - Load：2.5V ~ 5.5V
Voltage - Supply (Vcc/Vdd)：Not Required
Current - Output (Max)：1.8A
Rds On (Typ)：120mOhm
Input Type：Non-Inverting
Features：-
Fault Protection：Current Limiting (Adjustable), Over Temperature, Reverse Current, UVLO
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Supplier Device Package：6-WDFN (2x2)
Package / Case：6-WDFN Exposed Pad
Grade：-
Qualification：-

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RT9728BHGQW

Overview

The RT9728BHGQW is a single-channel P-channel power switch IC designed for load distribution applications. It operates within a supply voltage range of 2.5V to 5.5V and supports a maximum output current of 1.8A. The device features a typical on-resistance of 120mΩ and includes an adjustable current limit function. Integrated protection mechanisms include over-temperature shutdown, reverse current blocking, and under-voltage lockout (UVLO). It is housed in a compact 6-WDFN package with exposed pad, suitable for surface-mount assembly.

Feature Summary

Integrates adjustable current limiting for precise load management
Provides comprehensive fault protection including thermal shutdown and reverse current blocking
Features low on-resistance for efficient power delivery
Supports high-side switching configuration with simple on/off interface

Applications

USB port power switching and protection
Peripheral load distribution in portable electronics
Battery-powered device power management
Consumer electronics load switching

Procurement Notes

Verify the specific suffix HGQW corresponds to the 6-WDFN package and reel packaging format. Confirm RoHS3 compliance status and moisture sensitivity level MSL 3 requirements during storage and handling. Ensure the ordering part number matches the exact electrical specifications required for the target application circuit design.

Selection Notes

Select this component when a single-channel high-side switch with adjustable current limiting is required. Compare against the RT9728BHGE if a SOT-23-6 package is preferred instead of WDFN. Consider the RT9728AHGE variant if a lower maximum current rating of 1.3A is sufficient for the design constraints.

Part Context

This device belongs to the Richtek RT9728 family of power switches. The family offers various package options and current ratings to suit different space and performance requirements. The RT9728BHGQW specifically utilizes the WDFN-6 footprint, providing a compact solution for modern mobile and consumer electronic designs requiring efficient power distribution.