The AP2411SN-7 from Diodes Incorporated is a robust single-channel current-limited integrated high-side power switch optimized for USB and other hot-swap applications. This compact device is designed to operate as a power distribution switch for systems that require to limit the USB ports' current, providing protection for both the host and the connected devices.
Key Features
- Current Limiting: The AP2411SN-7 provides precise current limiting to protect the host system from over-current conditions. It is capable of delivering a continuous output current up to 1A, making it suitable for a wide range of peripherals.
- Fast Response Time: With a fast response time to fault conditions, the device ensures quick protection activation, minimizing the risk of damage to the connected equipment.
- Thermal Shutdown: Integrated thermal shutdown protection automatically turns off the switch in the event of excessive temperature, further safeguarding the system components.
- Reverse Current Blocking: When the switch is off, it prevents reverse current flow from the output to the input, which is critical for battery-powered applications to avoid battery drainage.
- Low Standby Current: The AP2411SN-7 is designed with a low standby current, which is essential for portable and battery-powered devices, ensuring minimal power consumption when not actively switching.
Applications
The device is versatile and can be used in various applications, including:
- USB Port Power Distribution
- Hot-Swap Power Management
- Self-Powered and Bus-Powered Hubs
- Peripheral Power Management
Product Specifications
The AP2411SN-7 comes in a small SOT-23 package, making it ideal for space-constrained applications. It operates over a voltage range of 2.7V to 5.5V, which covers the standard USB power supply voltages. The device also features an active high enable input, which allows for simple on/off control.
Conclusion
With its combination of protection features, low power consumption, and compact size, the AP2411SN-7 from Diodes Incorporated is an excellent choice for designers looking to enhance the safety and reliability of their USB power distribution and hot-swap applications.