Product Overview: TPS2552DDBVT from Texas Instruments

The TPS2552DDBVT by Texas Instruments is a sophisticated, adjustable current-limited power-distribution switch designed for applications where precision current limiting is required. This device is part of Texas Instruments' power management integrated circuits category and is widely used in USB applications, including hubs, desktop and notebook computers, as well as portable accessories.

Key Features

• Precision Current Limiting: The TPS2552DDBVT is engineered to provide accurate current limiting to protect the host device and the USB port from over-current conditions. The current limit threshold is adjustable, allowing for a customizable protection scheme.
• Fast Overcurrent Response: With a quick response time to overcurrent events, this device ensures that your system is protected efficiently and effectively, minimizing the risk of damage due to excessive power draw.
• Reverse Voltage Protection: The device includes built-in reverse voltage blocking, which safeguards the circuit from potential damage if the input voltage is accidentally reversed.
• Low Power Operation: Designed with power efficiency in mind, the TPS2552DDBVT operates with low quiescent current, making it suitable for battery-powered applications where power conservation is critical.
• Thermal Shutdown: An integrated thermal shutdown feature prevents the device and downstream components from overheating, ensuring safe operation under various conditions.

Product Specifications

• Package: The TPS2552DDBVT comes in a compact SOT-23-6 package, which is ideal for space-constrained applications.
• Input Voltage Range: It supports an input voltage range of 2.5V to 6.5V, accommodating a wide range of power sources.
• Adjustable Current Limit: The current limit can be adjusted from 0.75A to 2.9A via an external resistor, providing flexibility for different power requirements.
• Operating Temperature: The device is capable of operating over a temperature range of -40°C to 85°C, ensuring reliability across diverse environmental conditions.

The TPS2552DDBVT is a reliable and versatile power switch that provides both protection and control for your USB power distribution needs. Its precision and efficiency make it an excellent choice for designers looking to enhance the safety and performance of their USB-powered devices.