Share:
Specifications
SKU: 12607191
| Parameter | Description | Value |
|---|---|---|
| Device Name | VT82C42V | - |
| Type | USB 2.0 Hub Controller | - |
| Package | QFN-48 | - |
| Operating Voltage | Supply Voltage (VCC) | 3.3V ± 5% |
| Operating Current | Active Mode Current (Typical) | 120mA |
| Standby Current | Standby Mode Current (Typical) | 100μA |
| Temperature Range | Operating Temperature | -40°C to +85°C |
| Humidity Range | Operating Humidity | 0% to 95% RH |
| USB Ports | Number of Downstream Ports | 4 |
| Data Rate | Maximum Data Transfer Rate | 480 Mbps |
| Compliance | USB 2.0 Compliance | Yes |
| Power Management | Support for USB Power Management | Yes |
| Protection | ESD Protection | ±8kV HBM |
| Certifications | RoHS Compliant | Yes |
| Features | - Integrated Transceivers - Low Power Consumption - Plug-and-Play Support |
- |
Instructions
Power Supply Connection:
- Connect the VCC pin to a 3.3V power supply.
- Ensure the ground (GND) pins are connected to a common ground.
USB Connection:
- Connect the USB upstream port to a host device.
- Connect the downstream ports to peripheral devices.
Power Management:
- The device supports USB power management features, including suspend and resume states.
- Ensure the system firmware is configured to manage these states appropriately.
ESD Protection:
- Handle the device with care to avoid electrostatic discharge (ESD).
- Use ESD protection equipment when handling the device.
Layout Considerations:
- Place decoupling capacitors close to the VCC and GND pins to minimize noise.
- Use a ground plane to reduce electromagnetic interference (EMI).
Firmware Configuration:
- Ensure the device is properly enumerated by the host system.
- Configure the hub to support the desired number of downstream ports and data rates.
Environmental Conditions:
- Operate the device within the specified temperature and humidity ranges to ensure reliable performance.
Testing:
- Test the hub with various USB devices to ensure compatibility and functionality.
- Verify that the hub meets USB 2.0 specifications for data transfer and power delivery.
Inquiry - VT82C42V
