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  • In Stock: 59335
  • Available: 10049

Reference Price(In US Dollars)

QtyUnit PriceExt.Price
1+US $0.68325US $0.68
10+US $0.45550US $4.56
30+US $0.34163US $10.25
100+US $0.27330US $27.33
500+US $0.25053US $125.26
1000+US $0.22775US $227.75

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The RT9742SNGV is a 500mA, high-side power switch with flag output from Richtek. It is designed to control power rails in battery-powered devices and other applications where low power consumption and high efficiency are critical. The RT9742SNGV features an integrated bootstrap function, which eliminates the need for external components, simplifying circuit design and reducing component count. It also includes a variety of protection features, such as overcurrent protection, overtemperature protection, and reverse current protection.

Key Features:

  • 500mA continuous output current
  • High efficiency (up to 99%)
  • Low power consumption (0.3uA typical)
  • Integrated bootstrap function
  • Under-voltage lockout
  • Over-current protection
  • Overtemperature protection
  • Reverse current protection
  • Flag output
  • SOT-23-3 package


  • The RT9742SNGV is a complete power switch solution in a single package, which simplifies circuit design and reduces component count.
  • Its high efficiency and low power consumption make it ideal for battery-powered devices and other applications where power conservation is critical.
  • Its integrated bootstrap function eliminates the need for external components, further simplifying circuit design.
  • Its variety of protection features ensures safe and reliable operation.
  • Its flag output can be used to indicate the status of the power switch to the system controller.


  • Battery-powered devices, such as smartphones, tablets, and laptops
  • Wearable devices, such as smartwatches and fitness trackers
  • IoT devices, such as smart home sensors and security cameras
  • Power tools
  • Medical devices
  • Industrial equipment

Functional Equivalent (FE) materials, including Fused Filament Fabrication (FFF) form, assembly, and functionally compatible substitute materials.


  • Shipping Methods

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  • Shipping Cost

    Shipping starts at $40 but varies for destinations like South Africa, Brazil, India, and more. The actual shipping charges depend on time zone, country, and package weight/volume.

  • Delivery Time

    We ship orders once daily, around 5 p.m., except on Sundays. The estimated delivery time may vary depending on the courier service you choose, but typically ranges from 5 to 7 business days.

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