The HD3SS2521 is an integrated DockPort switch solution. It provides independent 2:1 passive switching for the SuperSpeed USB and Display Port signals as well as for the USB 2.0 (HS/FS/LS) and I2C necessary to support DockPort applications. In addition, a firmware upgradable integrated DockPort controller is provided to manage host and dock side DockPort detection, signal switch and power configuration.
The HD3SS2521 is offered in 56-pin WQFN package and is specified to operate from a single supply voltage of 3.3V over the temperature range of 0°C to 70°C .
| Type | Passive mux |
| Function | USB 2.0, USB 3.0 |
| USB speed (MBits) | 5000 |
| Number of channels | 2 |
| Supply voltage (max) (V) | 3.6 |
| Supply voltage (min) (V) | 3 |
| Ron (typ) (mΩ) | 5000 |
| Input/output voltage (min) (V) | 0 |
| Input/output voltage (max) (V) | 3.6 |
| Configuration | 2 |
| Features | Bi-directional 2 |
| Rating | Catalog |
| Operating temperature range (°C) | 0 to 70 |
| Supply current (max) (µA) | 4500 |
| ESD HBM (typ) (kV) | 2 |
| Bandwidth (MHz) | 6000 |
| WQFN (RHU) | 56 | 55 mm² 11 x 5 |