The AP2317H-ADJTRE1 is a single-channel, adjustable current-limited power switch manufactured by BCD Semiconductor Manufacturing Limited. It is 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 within a small package, offering a comprehensive protection solution for sensitive electronics with the added flexibility of an adjustable current limit.

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
• Adjustable current limit
• 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 by limiting the output current.
• Short-circuit protection: Quickly shuts down the switch to prevent damage from short circuits.
• Over-temperature protection: Protects the device from thermal damage by disabling the switch when the temperature exceeds a safe threshold.
• Adjustable current limit: Allows for flexible current limiting based on application needs and load requirements.
• Reverse blocking: Prevents current from flowing backward into the power source when the switch is disabled.
• Fault indication: Provides an output signal indicating an overcurrent or over-temperature condition, enabling system monitoring.
• Low on-resistance: Minimizes power loss and heat generation, improving efficiency.
• Small package size: Conserves board space in compact designs, making it suitable for portable devices.

The AP2317H-ADJTRE1 is designed with an adjustable current limit, providing flexibility for different application requirements and load conditions. The over-temperature protection feature ensures that 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, protecting the power source and other components. 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. Meeting RoHS compliance standards, it ensures environmental friendliness. The AP2317H-ADJTRE1 provides a versatile and robust solution for power protection with the added benefit of an adjustable current limit.