The AP2315R-3.3TRE1 is a single-channel, current-limited power switch manufactured by BCD Semiconductor Manufacturing Limited. It's designed to protect USB ports and other electronic devices from overcurrent and short-circuit conditions. This power switch integrates a power MOSFET, current sensing, fault indication, and over-temperature protection into a small package, providing a comprehensive protection solution for sensitive electronics.

Applications

• USB power distribution
• Portable device power management
• Hot-swap applications
• Overcurrent protection in industrial equipment
• Short-circuit protection in consumer electronics
• Power supply protection
• General purpose power switching

Features

• Single channel power switch
• Fixed current limit of 1.5A (typical)
• Over-temperature protection
• Short-circuit protection
• Reverse blocking (when disabled)
• Enable/disable control
• Fault indication output
• Low on-resistance
• SOT-25 package
• RoHS compliant

Benefits

• Overcurrent protection: Prevents damage from excessive current draw.
• Short-circuit protection: Quickly shuts down the switch to prevent damage from short circuits.
• Over-temperature protection: Protects the device from thermal damage.
• Fixed current limit: Ensures consistent protection across different applications.
• Reverse blocking: Prevents current from flowing backward when the switch is disabled.
• Fault indication: Provides an output signal indicating an overcurrent or over-temperature condition.
• Low on-resistance: Minimizes power loss and heat generation.
• Small package size: Conserves board space in compact designs.

The AP2315R-3.3TRE1 is specifically designed with a fixed current limit of 1.5A (typical), providing reliable overcurrent protection for USB ports and other sensitive electronics. The over-temperature protection feature ensures the device shuts down when its temperature exceeds a safe limit, preventing thermal damage. In the event of a short circuit, the switch rapidly disconnects the load to prevent further damage. The reverse blocking capability prevents current from flowing backward into the power source when the switch is disabled. The fault indication output provides a signal that can be used to alert the system of an overcurrent or over-temperature condition. Housed in a compact SOT-25 package, this power switch is ideal for space-constrained applications. It meets RoHS compliance standards, ensuring it is environmentally friendly. The AP2315R-3.3TRE1 offers a robust and efficient solution for power protection in a variety of electronic devices.