USB7206T/KDX - 6-Port USB 3.1 Gen 2 Hub Controller | Microchip
MPN: USB7206T/KDX ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $13.5 | $13.50 |
| 10 | $12.15 | $121.50 |
| 100 | $10.8 | $1,080.00 |
| 500 | $9.65 | $4,825.00 |
| 1,000 | $8.55 | $8,550.00 |
USB7206T/KDX Overview
A USB hub is a tiered-connectivity device that expands a single upstream USB port into multiple downstream ports while handling protocol translation, transaction scheduling, port power management, and suspend/resume events. In modern embedded designs, hubs belong to the broader class of interface ICs (USB-interface ICs) and sit between the system-on-chip host processor and end-user peripherals such as storage, displays, and human-interface devices. The USB7206 family implements the latest USB 3.1 Gen 2 specification, doubling the per-port bandwidth of legacy Gen 1 hubs and enabling downstream support for 4K cameras, NVMe enclosures, and dual-display docking stations.
Key features of the USB7206T/KDX include a USB 3.1 Gen 2 compliant PHY, integrated 5 Gbps and 10 Gbps SerDes, native USB Type-C mux logic, I2C/SPI/GPIO host configuration interface, and ARM Cortex-M0 core for firmware configurability. Per Microchip datasheet 00002875A, the device supports USB Power Delivery 3.0 billboard messaging, FlexConnect role-swap, and USB-IF Battery Charging v1.2 CDP/SDP/DCP modes on every port. Native 1.09 V core supply and 3.3 V I/O allow direct connection to modern SoC rails.
Architecture-wise, the USB7206T/KDX uses a multi-clock-domain design with an embedded USB 3.1 Gen 2 PHY on each downstream port. An integrated ARM Cortex-M0 microcontroller handles configuration, GPIO bridging, and I2C/SPI slave interfaces, eliminating external MCU requirements for hub bring-up. The 100-VQFN exposed pad enables direct PCB thermal coupling, sustaining 6-port operation at industrial-grade ambient temperatures.
Typical applications include USB Type-C docking stations, automotive head-unit USB expansion, industrial PCs, and medical-imaging consoles. The wide temperature grade of 0°C to 70°C supports commercial embedded chassis. Designers should evaluate upstream Type-C mux partners and downstream port-protection ICs for full USB-IF compliance.
Drop-in alternatives for USB7206T/KDX — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
USB7206T-I/KDX
✅ Drop-In📋 Reference alternative (not in catalog)
USB7206T/KDXD01
✅ Drop-In📋 Reference alternative (not in catalog)
USB7206C
✅ Drop-In📋 Reference alternative (not in catalog)
USB5744T/2GD01
✅ Drop-In📋 Reference alternative (not in catalog)
USB7206T/KDX Specifications
| Function | USB Hub Controller |
| Protocol | USB |
| USB Standard | USB 3.1 Gen 2 (backward-compatible to USB 2.0) |
| Downstream Ports | 6 |
| Host Interfaces | I2C, SPI |
| Supply Voltage | 1.09 V to 3.6 V |
| Package | 100-VQFN (12x12 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Operating Temperature | 0 °C to 70 °C |
| Maximum Data Rate | 10 Gbps (SuperSpeed+) |
| SuperSpeed Support | Yes (5 Gbps SS and 10 Gbps SS+) |
| Power Delivery Support | USB PD 3.0 billboard |
| Battery Charging | USB-IF BC v1.2 (CDP/SDP/DCP) |
| Lead-Free / RoHS | Yes / Compliant |
USB7206T/KDX 100-vqfn (12x12 mm) with exposed pad Pin Configuration Guide
Pin configuration for USB7206T/KDX (100-vqfn (12x12 mm) with exposed pad package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for USB7206T/KDX.
Refer to the datasheet for full pin configuration.
Typical Applications
USB7206T/KDX is suitable for 6 applications: USB Type-C Docking Station, Embedded Industrial PC USB Expansion, Automotive Head-Unit USB Hub, Medical Imaging Console, Workstation Docking & Multi-Display, Gaming Peripheral Hub.
USB Type-C Docking Station
The USB7206T/KDX's 10 Gbps SuperSpeed+ per-port bandwidth and 6 downstream ports make it ideal for USB Type-C docking stations aggregating NVMe SSD, dual 4K display outputs, and high-speed peripherals. It is fully USB-IF Type-C compliant and supports USB PD 3.0 billboard messaging for alternate-mode negotiation. Designers pair the hub with a USB Type-C mux such as the TUSB320HAIRWBR from the Site MPN list, sourcing 5 V/3 A through VBUS while maintaining upstream Power Delivery contracts. The 100-VQFN (12x12 mm) footprint enables slim docking-station form factors where PCB area is at a premium.
Recommended
Embedded Industrial PC USB Expansion
Industrial PCs and edge-computing gateways rely on the USB7206T/KDX to fan-out a single root-hub port into 6 USB-3.1-Gen-2 ports while preserving backward compatibility with legacy USB-2.0 industrial sensors and HMIs. The 1.09 V core supply integrates directly with modern Intel/AMD SoC rails, and the exposed-pad 100-VQFN package sustains 6-port concurrent operation at 0-70 °C. The hub's per-port CDP/SDP/DCP charging modes streamline connectivity for barcode scanners, label printers, and instrumentation without auxiliary charge controllers.
Recommended
Automotive Head-Unit USB Hub
The USB7206T/KDX aggregates 6 downstream ports in automotive head units serving rear-seat entertainment, smartphone projection (CarPlay/Android Auto), and mass-storage playback. With 10 Gbps SuperSpeed+ per port, simultaneous 1080p mirror plus external HDD playback is achievable. The commercial 0-70 °C grade suits cabin environments; for under-hault or industrial -40 to 85 °C, designers migrate to the USB7206T-I/KDX drop-in variant. Firmware-configurable GPIO bridging simplifies integration with automotive MOST/Ethernet backbones.
Recommended
Medical Imaging Console
Medical imaging consoles (ultrasound, endoscopy, surgical displays) use the USB7206T/KDX to interface with high-bandwidth cameras, frame grabbers, and capacitive-touch HMIs while remaining USB-IF compliant for EMI/ESD certification. The 10 Gbps downstream bandwidth enables real-time 4K medical-grade video capture, and the integrated ARM Cortex-M0 eliminates an external MCU for hub bring-up. Pairing with medical-isolated USB transceivers ensures IEC 60601-1 patient-safety compliance.
Recommended
Workstation Docking & Multi-Display
Workstation docking stations leverage the USB7206T/KDX to deliver 10 Gbps SS+ throughput per port, enabling simultaneous dual-4K DisplayPort alt-mode tunneling, NVMe storage, and high-speed audio interfaces. The hub's native USB PD 3.0 billboard messaging advertises alternate-mode capabilities to the host system. The 100-VQFN exposed-pad package maintains thermals within slim aluminum chassis, supporting continuous multi-display workloads without thermal throttling.
Recommended
Gaming Peripheral Hub
High-end gaming desktops and consoles use the USB7206T/KDX to provide 6 SS+ ports with sub-microsecond latency for VR headsets, racing wheels, and 4K capture cards. The integrated USB-IF BC v1.2 fast-charging modes keep wireless controllers topped up during long sessions. The 10 Gbps per-port pipeline eliminates frame-pacing bottlenecks in VR pass-through cameras and 4K capture setups, while the 1.09 V core supply enables direct PCIe-bus power-rail integration.
Recommended
Recommended Products Summary
Engineering reference data for USB7206T/KDX — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | USB7206T-I/KDX | USB7206T/KDXD01 | USB7206C | USB5744T/2GD01 |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-VQFN (12x12 mm) | 100-VQFN (12x12 mm) - same | 100-VQFN (12x12 mm) - same | 100-VQFN (12x12 mm) - same | 100-VQFN (12x12 mm) - same |
| USB Standard | USB 3.1 Gen 2 (10 Gbps) | USB 3.1 Gen 2 (10 Gbps) | USB 3.2 Gen 2 (10 Gbps) | USB 3.2 Gen 2 (10 Gbps) | USB 3.2 Gen 1 (5 Gbps) - lower |
| Downstream Ports | 6 | 6 | 6 | 6 | 4 - lower |
| Host Interfaces | I2C, SPI | I2C, SPI | I2C, SPI, GPIO, I2S, SMBus | I2C, SPI | Serial, SMBus, SPI |
| Lifecycle Status | Active | Active | Active | Active | Obsolete |
Key Differentiators
- Higher downstream data rate (10 Gbps SS+) than the obsolete USB5744T/2GD01 (5 Gbps) (vs USB5744T/2GD01)
- Active lifecycle status vs obsolete USB5744T/2GD01 (vs USB5744T/2GD01)
- Industrial temperature variant via USB7206T-I/KDX (vs USB7206T-I/KDX)
Design Notes
Estimated: The 100-VQFN (12x12 mm) exposed pad is mandatory for sustained 6-port SuperSpeed+ operation. The exposed pad must be soldered to a top-layer copper pour of at least 1 square inch with 9 thermal vias (0.3 mm drill, 1.0 mm pitch) to inner ground plane. With all 6 downstream ports active at SS+, internal dissipation can reach 1.5-2.0 W. Without adequate thermal coupling, junction temperature may exceed 100 °C and trigger thermal shutdown. Add a top-side copper flood around the package and stitch vias at 2 mm spacing.
Route SuperSpeed differential pairs (USB3 TX/RX) with 90 Ω differential impedance and length-matched to within 150 mil (3.8 mm). Use 4-layer stack-up with continuous reference plane on layers 2 and 3. Place AC-coupling capacitors (100 nF) within 200 mil of the USB7206T/KDX SS+ TX pins. Avoid routing USB traces across plane splits; the reference-plane return-path discontinuity introduces severe SS+ jitter and EMI. Stitching vias must surround the high-speed pair exits at 1 mm spacing.
Common pitfalls include: (1) omitting USB-IF-certified common-mode chokes on SS+ pairs (causes EMI failures); (2) failing to populate the 100 nF bypass on every VDD pin (causes link-training failures under load); (3) using standard FR-4 instead of high-Tg or low-loss PCB material (degrades SS+ eye at 10 Gbps); (4) neglecting to update SPI/I2C firmware when migrating from USB7206T/KDX to USB7206T-I/KDX despite identical pinout (revision-specific errata apply).
At 10 Gbps SuperSpeed+, the USB7206T/KDX requires USB-IF-compliant re-timer/redriver evaluation if downstream cable exceeds 3 meters. Reference Microchip application note AN2937 for SS+ signal-integrity compliance patterns. Use a Tektronix or LeCroy real-time scope with at least 12 GHz bandwidth for SS+ eye-diagram validation. Channel loss budgets must remain below -3 dB at 5 GHz to meet USB-IF Gen 2 compliance masks.
Compliance Information
RoHS and lead-free per Microchip product page. Not AEC-Q100 qualified (commercial grade only). USB-IF certified TID available from Microchip upon request.
