PI3USB9281CXWEX The Diodes Incorporated PI3USB9281CXWEX is a USB 2.0 port protection IC featuring charger detection and integrated power switch with over-voltage and over-current protections. It operates from 3V to 5.5V and is housed in a 20-UQFN package.
Mfr Part #:

PI3USB9281CXWEX

Available from 2 distributors
Mfr Name: Diodes Incorporated
Diodes Incorporated
The Diodes Incorporated PI3USB9281CXWEX is a USB 2.0 port protection IC featuring charger detection and integrated power switch with over-voltage and over-current protections. It operates from 3V to 5.5V and is housed in a 20-UQFN package.
Total Stock: 12,098 pcs
$ Price Range: $0.75

PI3USB9281CXWEX Available from 2 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
9,098 pcs
9098 pcs On Request 1 On Request On Request 19+ On Request On Request
Non-Authorised Inventory information
3,000 pcs
3000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16

PI3USB9281CXWEX Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Halogen Free
Mounting Type
Operating Temperature
Operating Voltage
Supplier Device Package
Supplier Package
Voltage

PI3USB9281CXWEX Description

Short technical summary and product information.

The PI3USB9281CXWEX from Diodes Incorporated is a specialized integrated circuit designed for USB 2.0 port protection and charger detection. It provides essential safeguards including over-voltage and over-current protection, with a VBUS input pin that can tolerate voltages up to 28V, making it suitable for USB 3.0 Power Delivery enabled ports.

 

This device supports various charger detection standards, including Battery Charging 1.2 (BC1.2) DCP, CDP, and SDP, as well as specific chargers like Apple, Samsung, YD/T, and CEA-936 car kits. It also features non-charging accessory detection and USB On-The-Go (OTG) detection.

 

The PI3USB9281CXWEX operates over a wide temperature range of -40°C to +85°C and a supply voltage range of 3V to 5.5V. It is supplied in a compact 20-UQFN (3x4) package, suitable for surface mounting in portable and consumer applications such as smartphones, tablets, and digital cameras.

 

Key features include I2C programmability, integrated power FET, and compliance with RoHS 3, Lead-free, and Halogen-free standards.

PI3USB9281CXWEX Quick Information

Product Type: Integrated Circuit
Series: PI3USB9281C
Canonical Name: PI3USB9281CXWEX USB 2.0 Port Protection with Charger Detection IC
Subcategory: USB Port Protection

PI3USB9281CXWEX Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Lead-free

PI3USB9281CXWEX Estimated Pricing

Qty Low High
1+ $0.75 $0.75

Estimated market price range - modelled values for guidance only, not live distributor offers.

PI3USB9281CXWEX Features

  • USB 2.0 port protection with charger detection.
  • VBUS tolerance up to 28V.
  • Integrated power switch with OVP/OCP.
  • Supports multiple USB charging standards.
  • Compact 20-UQFN package for surface mounting.

PI3USB9281CXWEX Applications

  • Ideal for portable consumer electronics.
  • Used in smartphones and tablets.
  • Suitable for digital cameras.
  • Enables robust USB charging solutions.

PI3USB9281CXWEX FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the PI3USB9281CXWEX?

The operating voltage range is 3V to 5.5V.

What is the operating temperature range?

-40°C to 85°C (TA).

What package is the PI3USB9281CXWEX available in?

20-UQFN (3x4), surface mount.

What VBUS tolerance does this device support?

Up to 28V.

Does the PI3USB9281CXWEX provide over-current protection?

Yes, it includes 1.7A over-current protection (OCP).

Can it handle USB Power Delivery voltages?

It can tolerate USB3.0-PD with VBUS = 20V.

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