CYPD3125-40LQXI The Infineon CYPD3125-40LQXI is a USB Type-C Port controller IC featuring an ARM Cortex-M0 processor and 128KB of flash memory. It supports USB PD 3.0 protocol for power contract negotiation.
Mfr Part #:

CYPD3125-40LQXI

Available from 2 distributors
Mfr Name: Infineon
Infineon
The Infineon CYPD3125-40LQXI is a USB Type-C Port controller IC featuring an ARM Cortex-M0 processor and 128KB of flash memory. It supports USB PD 3.0 protocol for power contract negotiation.
✓ Total Stock: 8,128 pcs
$ Price Range: $5.24

CYPD3125-40LQXI Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
8,118 pcs
8118 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
10 pcs
10 pcs On Request 1 On Request On Request 17+ On Request On Request

CYPD3125-40LQXI Specifications Quick View

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CYPD3125-40LQXI Description

Short technical summary and product information.

The Infineon CYPD3125-40LQXI is a highly integrated USB Type-C Port controller IC designed for accessories, notebook computers, and power adapters. It is built on Cypress's M0S8 platform, featuring a 32-bit, 48-MHz ARM Cortex-M0 processor and 128KB of flash memory.

 

This controller supports the USB PD 3.0 specification, enabling power contract negotiation as either a provider or consumer. Key features include integrated Rp and Rd resistors, support for dead battery termination, and system-level ESD protection. It also includes integrated VCONN FETs for EMCA cables and VBUS gate drivers.

 

The CYPD3125-40LQXI is available in a 40-pin QFN package, suitable for surface mount applications. Its design focuses on low manufacturing cost, small package size, and integration of essential features for modern USB-C power delivery solutions.

CYPD3125-40LQXI Quick Information

Product Type: USB Type-C Port Controller
Canonical Name: CYPD3125-40LQXI USB Type-C Port Controller
Subcategory: USB Type-C Port Controller

CYPD3125-40LQXI Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

CYPD3125-40LQXI Estimated Pricing

Qty Low High
1+ $5.24 $5.24

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

CYPD3125-40LQXI Features

  • Integrated USB-PD controller
  • Supports USB PD 3.0 protocol
  • ARM Cortex-M0 processor
  • 128KB flash memory
  • 40-LQFP package

CYPD3125-40LQXI Applications

  • Suitable for USB Type-C port controllers.
  • Ideal for power adapters and accessories.
  • Supports firmware updates via I2C interface.
  • Used in notebook computers with USB-PD.
  • Supports DisplayPort alternate mode functionality.

CYPD3125-40LQXI FAQs

6 frequently asked questions generated from this part’s specifications.
What USB Power Delivery specification does the CYPD3125-40LQXI support?

The CYPD3125-40LQXI supports the USB PD 3.0 specification.

What are the Source PDOs for the CYPD3125-40LQXI?

The Source PDOs are 5V @ 3.0A, 9V @ 3.0A, 15V @ 3.0A, and 20V @ 3.0A.

What are the Sink PDOs for the CYPD3125-40LQXI?

The Sink PDOs are 5V @ 0.9A / 0.9A and 7V-21V @ 0.9A / 0.9A.

What is the flash memory size of the CYPD3125-40LQXI?

The CYPD3125-40LQXI has 128KB of flash memory.

What processor is used in the CYPD3125-40LQXI?

The CYPD3125-40LQXI uses an ARM Cortex-M0 processor.

What is the package type for the CYPD3125-40LQXI?

The CYPD3125-40LQXI is available in a 40-LQFP package.

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