CYPD1121-40LQXI

Application Specific Microcontrollers Overview

The CYPD1121-40LQXI is an ARM microcontroller belonging to the EZ-PD CCG1 series, manufactured by Infineon Technologies. It integrates an ARM Cortex-M0 core operating at a maximum clock frequency of 48 MHz. The device features 32 kB of program memory and 4 kB of data RAM. It supports multiple interface protocols including I2C, SPI, UART, and USB. The component operates within a voltage range of 3.2 V to 5.5 V and functions in temperatures from -40 °C to +85 °C. It is housed in a QFN-40 package with 30 available I/O pins.

Application Specific Microcontrollers Feature Summary

• ARM Cortex-M0 core with 48 MHz maximum clock speed
• 32 kB Flash program memory and 4 kB SRAM data memory
• Integrated USB interface alongside I2C, SPI, and UART support
• 12-bit ADC resolution with 30 general-purpose I/O pins

Application Specific Microcontrollers Applications

• USB Type-C port controllers
• Power delivery dongles
• Single-port USB-C adapters

Application Specific Microcontrollers Procurement Notes

This component is classified as End-of-Life (EOL) by the manufacturer. Distribution availability is restricted, and it is not currently sold in all regions. Verification of current stock status and alternative sourcing strategies is required before procurement planning.

Application Specific Microcontrollers Selection Notes

Designers should consider the EOL status when selecting this part for new products. The CCG1 series offers basic USB PD capabilities suitable for single-port applications. Evaluate replacement options within newer EZ-PD families if long-term supply stability is a priority.

Application Specific Microcontrollers Part Context

The CYPD1121-40LQXI is part of the EZ-PD CCG1 family of USB Type-C controllers. This series provides integrated power delivery negotiation and port control functionality. It serves as a foundational solution for implementing USB-C connectivity in compact electronic devices requiring standardized power management.

Application Specific Microcontrollers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Engineers should consult official Infineon transition notices or contact technical support for validated cross-references due to the product's end-of-life status.