USB7052N/KDX

Controllers Overview

The USB7052/KDX is a 4-port USB 3.2 Gen 1 SmartHub IC manufactured by Microchip Technology in a 100-pin VQFN package. It supports Super Speed (SS) at 5 Gbps, Hi-Speed (HS) at 480 Mbps, Full-Speed (FS) at 12 Mbps, and Low-Speed (LS) at 1.5 Mbps. The device features one upstream Type-C port with Power Delivery support and four downstream ports: two native Type-C ports (Ports 1 and 2), one standard USB 3.2 Gen 1 port (Port 3), and one standard USB 2.0 port (Port 4). Operating voltage ranges from 1.2 V to 3.6 V, with an operating temperature range of -40°C to +85°C for the industrial grade.

Controllers Feature Summary

• Native USB Type-C support on downstream ports with integrated CC logic and multiplexers
• Integrated USB Power Delivery controller managing up to three Type-C ports
• USB to I2C/SPI/UART/I2S/GPIO bridge endpoint support via Hub Feature Controller
• Supports USB-IF Battery Charging revision 1.2 profiles including DCP, CDP, and SDP

Controllers Applications

• Standalone USB Hubs
• Laptop Docks
• PC Motherboards
• Multi-function USB 3.2 Gen 1 Peripherals

Controllers Procurement Notes

Verify component authenticity through authorized Microchip distributors or direct channels. Confirm the specific suffix matches the required package and temperature grade. Request official datasheets and errata sheets to ensure silicon revision compatibility. Check for current product lifecycle status as availability may vary.

Controllers Selection Notes

Select this model when a compact 4-port hub with native Type-C connectivity and Power Delivery capabilities is required. Ensure the design accommodates the 100-VQFN package thermal requirements. Verify that external PD transceivers are included if full Power Delivery negotiation is needed. Consider GPIO flexibility for custom OEM configurations using OTP or SPI ROM.

Controllers Part Context

The USB7052 belongs to Microchip's USB70xx series of USB hub controllers. It is designed for embedded applications requiring high-speed data transfer and advanced power management. The device integrates a Hub Feature Controller for system monitoring and control, distinguishing it from basic hub controllers by offering extensive programmability and bridging capabilities.

Controllers Replacement Considerations

Check Microchip documentation for officially confirmed substitute part numbers. Verify pinout compatibility and functional equivalence before substitution. Ensure any replacement maintains the same package type and electrical specifications.