CYPD4125-40LQXI

Application Specific Microcontrollers Overview

The CYPD4125-40LQXI is a USB Type-C port controller from the EZ-PD CCG4 family, manufactured by Infineon Technologies. It integrates an ARM Cortex-M0 core and supports USB Power Delivery 3.0 with Alternate Mode capabilities. The device operates on a single supply voltage ranging from 2.7 V to 5.5 V, with a typical operating current of 10 mA. It features Super Speed data rates up to 5 Gbps and includes built-in ESD protection. Packaged in a 40-pin QFN (6 mm x 6 mm) format, it supports I2C, SPI, and UART interfaces for host communication.

Application Specific Microcontrollers Feature Summary

• Supports USB Type-C 3.0 and USB Power Delivery 3.0 specifications
• Integrates ARM Cortex-M0 processor for customizable firmware
• Enables DisplayPort Alternate Mode over USB Type-C
• Includes integrated ESD protection for robust operation

Application Specific Microcontrollers Applications

• USB Type-C docks and hubs
• Portable monitors and display adapters
• Thunderbolt-enabled peripheral devices

Application Specific Microcontrollers Procurement Notes

Verify component authenticity through authorized distribution channels due to potential counterfeit risks. Confirm RoHS compliance status via official datasheets before integration. Check current lifecycle status as availability may vary by region. Ensure proper handling for moisture-sensitive devices during storage and assembly processes.

Application Specific Microcontrollers Selection Notes

Select this controller for designs requiring USB PD 3.0 compliance and DisplayPort Alt Mode support. The 40-pin QFN package suits space-constrained applications. Verify that the host system supports the required I2C or SPI interface for configuration. Consider thermal management requirements given the 85°C maximum operating temperature limit.

Application Specific Microcontrollers Part Context

This component belongs to the EZ-PD CCG4 series of USB Type-C controllers. It succeeds earlier generations like the CCG2 series by offering enhanced power delivery protocols and alternate mode support. The part number suffix indicates the 40-lead QFN package variant within the CYPD4125 product line.

Application Specific Microcontrollers Replacement Considerations

Direct replacements include other CCG4 family members such as CYPD4136-24LQXI for 24-pin applications. Cross-reference pinouts and firmware compatibility when substituting with newer revisions. Verify electrical parameters match original design requirements.