The STMPS2171STR from STMicroelectronics is a state-of-the-art power distribution switch designed for applications where power distribution needs to be controlled and monitored. This device is part of the STMPS21xx series, which is known for its high reliability and efficiency in managing power distribution to downstream peripherals and systems.

Key Features

• Current Limiting: The STMPS2171STR incorporates an accurate current limiting feature that protects the supply source and the load from overcurrent conditions. This is crucial in preventing damage to the circuit components due to excessive current.
• Thermal Shutdown: With an integrated thermal shutdown protection, the device ensures safe operation by automatically turning off the output when the junction temperature exceeds the thermal shutdown threshold.
• Under Voltage Lockout (UVLO): The UVLO feature ensures that the switch remains off when the input voltage falls below a specific threshold, preventing erratic behavior or malfunction of the connected devices.
• Low Power Consumption: The STMPS2171STR is designed to have minimal power consumption in both operating and standby modes, making it an energy-efficient choice for power-sensitive applications.
• Controlled Rise Time: The switch offers a controlled output voltage rise time, which reduces inrush current and mitigates the risk of voltage spikes that can harm sensitive electronics.
• High-Side Switch: As a high-side switch, the STMPS2171STR allows for easier and safer connectivity with the load while providing a simple way to distribute power within a system.

Applications

The versatility of the STMPS2171STR makes it suitable for a wide range of applications, including but not limited to:

• USB hubs, peripherals, and powered ports
• Hot-swap supplies
• Overcurrent and short-circuit protection modules
• Intelligent power distribution systems
• Battery-charger circuits

Product Specifications

The STMPS2171STR comes in a small outline package (TSOP-6) which is ideal for space-constrained applications. It is designed to operate over a wide range of input voltages and can handle continuous current up to 0.7 A. The device also features an active high enable input, which allows for easy control of the power switch.

With its combination of protection features, low power consumption, and ease of use, the STMPS2171STR from STMicroelectronics is a reliable and efficient solution for modern power distribution requirements.