CYPD4125-40LQXIT

Application Specific Microcontrollers Overview

The CYPD4125-40LQXIT is a dual USB Type-C controller from Infineon’s EZ-PD™ CCG4 family, designed for notebooks and docking stations. It integrates two complete Type-C transceivers with built-in termination resistors (RP/RD) and VCONN FETs. The device features a 32-bit 48-MHz Arm® Cortex®-M0 processor with 128 KB Flash and 8 KB SRAM. It supports USB Power Delivery 3.0, including fast role swap and extended data messaging. Operating voltage ranges from 2.7 V to 5.5 V, with GPIO supply support down to 1.71 V.

Application Specific Microcontrollers Feature Summary

• Dual USB Type-C port control with integrated BMC transceivers and PD 3.0 support
• 32-bit MCU subsystem: 48-MHz Arm® Cortex®-M0, 128 KB Flash, 8 KB SRAM
• Integrated VCONN FETs, dead battery termination, and fast role swap capability
• Low-power operation: Reset current 1.0 µA, Deep Sleep 2.5 µA

Application Specific Microcontrollers Applications

• Notebooks
• Power adapters
• Docking stations

Application Specific Microcontrollers Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct package type and temperature grade. Confirm that the component meets RoHS compliance requirements for the target market. Check for moisture sensitivity levels and recommended reflow profiles during assembly planning.

Application Specific Microcontrollers Selection Notes

Select this model for designs requiring dual-port USB-C connectivity with programmable firmware capabilities. Ensure the application utilizes the 40-pin QFN package constraints. Verify that the host system can accommodate the 48-MHz CPU clock speed and memory requirements for custom PD logic implementation.

Application Specific Microcontrollers Part Context

This component belongs to the EZ-PD™ CCG4 series, which utilizes Infineon’s M0S8 technology. It serves as a programmable alternative to fixed-function controllers, allowing customization via the EZ-PD™ Configuration Utility. The CCG4 family targets high-performance USB-C applications requiring robust power delivery management.

Application Specific Microcontrollers Replacement Considerations

Direct replacements within the same family include CYPD4225-40LQXIT and CYPD4226-40LQXIT. These variants share the same core architecture but may differ in pinout configurations or specific peripheral availability. Consult the datasheet pinout tables to verify compatibility before substitution.