The TPS2042DR from Texas Instruments is a sophisticated power management integrated circuit designed for USB applications. This state-of-the-art device offers dual-channel, current-limited, power distribution switches optimized for self-powered and bus-powered Universal Serial Bus (USB) applications.
Key Features
- Dual USB Ports: The TPS2042DR is capable of controlling two USB ports, providing independent over-current protection for each port, ensuring safe operation and protection for connected devices.
- Current Limiting: Each channel is individually current-limited to protect the host device against overcurrent events, such as short circuits or excessive power draw from connected peripherals.
- Thermal Shutdown: The device includes an integrated thermal shutdown feature that protects the chip and the connected devices from damage due to overheating.
- Fast Overcurrent Response: With a quick response time to overcurrent conditions, the TPS2042DR minimizes the risk of damage to circuit components.
- Wide Voltage Range: This switch operates over a wide input voltage range from 2.7V to 5.5V, accommodating a variety of USB applications.
- Low Standby Current: It is designed with a low standby current, which is ideal for portable applications where power conservation is critical.
Applications
The TPS2042DR is suitable for a broad range of applications. It is particularly useful in:
- USB Hubs
- Desktop Computers
- Notebook Computers
- Docking Stations
- Monitors with USB Ports
Technical Specifications
| Parameter |
Value |
| Channels |
2 |
| Input Voltage |
2.7V - 5.5V |
| Package |
SOIC-8 |
| Operating Temperature |
-40°C to 85°C |
The TPS2042DR's compact SOIC-8 package makes it an excellent choice for space-constrained USB applications. With its robust protection features and efficient power management, this switch ensures reliable and safe operation of USB peripheral devices.