CHL8328-14CRT

Special Purpose Regulators Overview

The CHL8328-14CRT is an 8-phase VR11.1 multiphase PWM controller manufactured by Infineon Technologies. It is designed for high-performance voltage regulation in server and workstation applications. The device operates within a temperature range of -20°C to +85°C and utilizes a 56-pin VFQFN package with an exposed pad. This component supports dual output configurations and integrates SMBus and I2C interfaces for system management.

Special Purpose Regulators Feature Summary

• Supports 8-phase power delivery architecture compliant with VR11.1 specifications
• Integrates SMBus and I2C communication interfaces for digital control and monitoring
• Features dual output capability for flexible voltage rail generation

Special Purpose Regulators Applications

• Server motherboard voltage regulation modules
• Workstation graphics processing unit power supplies
• High-density computing platform power distribution networks

Special Purpose Regulators Procurement Notes

Verify the specific suffix '14' against official Infineon documentation to confirm pinout and electrical characteristics, as suffixes often denote package variants or thermal ratings. Confirm RoHS compliance status through current datasheets. Note that availability may be limited due to product lifecycle status; check for active replacement recommendations from the manufacturer.

Special Purpose Regulators Selection Notes

Select this component for designs requiring strict VR11.1 compliance and multi-phase synchronization. Ensure the PCB layout accommodates the 56-pin VFQFN package dimensions and thermal pad requirements. Verify that the host microcontroller can interface with the SMBus/I2C protocols supported by the controller for proper configuration and telemetry.

Special Purpose Regulators Part Context

This part belongs to Infineon's CHL series of multiphase controllers, which are optimized for transient response and efficiency in demanding computing environments. The CHL8328 variant specifically targets high-core-count processors where precise phase interleaving and load-line calibration are critical for stable operation under dynamic loads.

Special Purpose Regulators Replacement Considerations

Consult Infineon's official discontinuation notices for direct substitutes. Cross-reference with the CHL8328 family members (e.g., CHL8328-00, CHL8328-16) if pin compatibility is required, but verify all electrical parameters and software configuration files before implementation.