Product Overview: Texas Instruments TPS2074DB
The Texas Instruments TPS2074DB is a high-performance, quad-channel USB power distribution switch designed for applications requiring power management and distribution in USB hubs and other devices. This advanced component is part of Texas Instruments' extensive portfolio of integrated circuits designed to meet the evolving needs of modern electronics.
Key Features
- Multiple USB Ports: The TPS2074DB supports up to four downstream ports, making it an ideal solution for USB hub applications.
- Enhanced Power Management: Each channel of the TPS2074DB can independently switch up to 500 mA of continuous current, which complies with the USB 2.0 specification.
- Built-in Protection: The device includes over-current and short-circuit protection for each port, ensuring the safety and reliability of connected peripherals.
- High Efficiency: With its low on-resistance (RON) of just 70 mΩ, the TPS2074DB ensures minimal voltage drop and power loss, maximizing efficiency.
- Thermal Shutdown: An integrated thermal shutdown feature prevents damage from overheating, further enhancing the device's robustness.
- Charge Distribution: The TPS2074DB is designed to support charge distribution, allowing for the charging of devices even when the host is in a low-power state or turned off.
Applications
The TPS2074DB is versatile and can be used in a variety of applications beyond USB hubs, including:
- Desktop and notebook computers
- USB docking stations
- Monitors with integrated USB hubs
- Peripheral sharing devices
Technical Specifications
The TPS2074DB operates over a wide voltage range and offers several key technical specifications that make it a top choice for designers:
- Input Voltage Range: 4.5V to 5.5V
- Continuous Output Current: Up to 500 mA per channel
- On-Resistance (RON): 70 mΩ
- Operating Temperature Range: -40°C to 85°C
- Package: 16-pin SSOP (DB)
With its combination of power management features, protection mechanisms, and efficient design, the TPS2074DB from Texas Instruments stands out as a robust solution for USB power distribution needs.
