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Microchip Technology USB5926CT/KD — Sensors & Transducers
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RoHS Compliant · Lead-Free EIA-481 Standard
Microchip Technology / Sensors & Transducers

USB5926CT/KD Hub Controller – Microchip, USB 3.1

MPN USB5926CT/KD
End of Life Spot Stock · 24-48h Dispatch 100% Original Sealed

Microchip Technology USB5926CT/KD, Hub Controller, USB 2.0 & USB 3.1, I²C/SMBus/SPI/UART interface, 100-VFQFN Exposed Pad, 1.08V–1.32V and 3V–3.6V supply, 0°C to 70°C operation.

In Stock: 1,481 pcs
MOQ: 1 pcs
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100% Original Sealed 45x Microscope QC 30-Day Warranty · COC USD T/T & PI · DAP/DDP
[SPEC] Essential Parameters Snapshot Full Specifications (8)
Package / Case 100-VFQFN Exposed Pad
Supply Voltage 1.08V ~ 1.32V, 3V ~ 3.6V

Full Technical Specifications

8 Parameters
USB5926CT/KD specifications
Parameter / AttributeSpecification / Value
Supply voltage1.08V ~ 1.32V, 3V ~ 3.6V
ProtocolUSB
InterfaceI²C, SMBus, SPI, UART
Operating temperature0°C ~ 70°C (TA)
StandardsUSB 2.0, USB 3.1
PackageTape & Reel (TR); Cut Tape (CT)
FunctionHub Controller
Case100-VFQFN Exposed Pad
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Technical Details & Description

What this hub controller does on your board

The USB5926CT/KD is a USB 2.0 and USB 3.1 hub controller from Microchip, handling the upstream port and downstream port expansion with I²C, SMBus, SPI, and UART interfaces for configuration and status monitoring. It operates from dual supply rails: a core rail at 1.08V to 1.32V and an I/O rail at 3V to 3.6V, which means your board needs two regulated voltages — the core rail is tight, so a 1.2V LDO with ±2% tolerance covers it.

It is ROHS3 compliant.

How it compares to the USB2517-JZX

The USB2517-JZX is a USB 2.0-only hub controller in a similar 100-pin package, but it lacks USB 3.1 support and the I²C/SMBus/SPI/UART management interface that the USB5926CT/KD provides. If your design needs USB 3.1 SuperSpeed ports or out-of-band configuration via SPI/UART, the USB5926CT/KD is the correct part; the USB2517-JZX only covers USB 2.0 and uses a pure USB interface.

Frequently asked questions

Does USB5926CT/KD support I²C and SPI interfaces?

Yes, the hub controller includes I²C, SMBus, SPI, and UART interfaces for configuration and status access. This allows a host MCU to manage the hub's port power, over-current, and speed negotiation without relying solely on USB control transfers.

What is the closest functional alternative to USB5926CT/KD?

The USB2517-JZX is a USB 2.0 hub controller from Microchip in a similar package, but it lacks USB 3.1 support and the I²C/SMBus/SPI/UART management interface. For USB 3.1 designs or designs needing out-of-band control, the USB5926CT/KD is the correct choice.

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