USB5926C/KD

Controllers Overview

The USB5926C/KD is a 6-port USB 3.1 Gen 1 Smart Hub controller manufactured by Microchip Technology, housed in a 100-pin VQFN package measuring 12mm x 12mm. It features two downstream USB Type-C ports and four legacy downstream ports (two USB 3.1 Gen 1 and two USB 2.0), along with one upstream Type-C port. The device supports SuperSpeed (5 Gbps), Hi-Speed (480 Mbps), Full-Speed (12 Mbps), and Low-Speed (1.5 Mbps) data rates. It includes an internal hub feature controller for I2C/SPI/GPIO bridging, USB Link Power Management (LPM), and Battery Charging Revision 1.2 support. Configuration options include OTP ROM, SPI ROM, or SMBus.

Controllers Feature Summary

• Native USB Type-C support with integrated multiplexing and PHY power management to reduce idle consumption.
• Smart port controller operation with firmware-managed companion port power controllers and PortSwap capability.
• Support for USB-IF Battery Charging Rev 1.2 profiles including DCP, CDP, and SDP on all ports.
• Internal Hub Feature Controller enabling USB-to-I2C/SPI/GPIO bridge endpoints for system monitoring.

Controllers Applications

• Standalone USB Hubs
• Laptop Docks
• PC Motherboards
• Multi-function USB 3.1 Gen 1 Peripherals

Controllers Procurement Notes

Verify the specific suffix 'KD' corresponds to the tray packaging configuration as indicated in distributor listings. Confirm the commercial temperature grade availability against project requirements. Ensure the ordering part number matches the exact datasheet revision DS00003190A to guarantee pinout and functional compatibility. Cross-reference the manufacturer's latest product change notifications for any updates to the component specifications.

Controllers Selection Notes

Select this component when a compact 6-port solution with native Type-C integration is required. The USB5926C/KD is suitable for designs needing simultaneous SuperSpeed and USB 2.0 connectivity. Consider its OEM configurability via straps or external memory if custom port behaviors are necessary. Evaluate the thermal dissipation characteristics of the VQFN package for the specific enclosure constraints.

Controllers Part Context

The USB5926C is part of Microchip's Smart Hub family, designed for high-performance embedded USB applications. It decouples SuperSpeed transfers from USB 2.0 bottlenecks using parallel controllers. The device integrates an on-chip microcontroller managing I/Os and VBUS signals, offering flexibility through GPIO assignments and programmable signal integrity features like PHYBoost and VariSense.

Controllers Replacement Considerations

USB5906C/KD

Controllers FAQ

How does the USB5926C handle USB Type-C PHY power consumption?

The USB 3.1 Gen 1 PHYs are disabled until a valid USB Type-C attach is detected, which saves idle power consumption compared to always-on PHYs.

What configuration methods are supported for the USB5926C?

The device supports configuration via internal default settings, One-Time-Programmable (OTP) ROM, external SPI ROM, or SMBus communication.

Does the USB5926C support battery charging standards?

Yes, it supports USB-IF Battery Charging Revision 1.2, including DCP, CDP, and SDP profiles, as well as Apple and Chinese/European charger emulations.