FPF2495CUCX

Power Distribution Switches, Load Drivers Overview

The FPF2495CUCX is a single-channel IntelliMAX load switch from onsemi, designed for power distribution in systems requiring over-voltage and over-current protection. It operates with an input voltage range of 2.5 V to 5.5 V and supports a maximum output current of 2 A. The device features an adjustable current limit ranging from 50 mA to 2 A via an external resistor. Key electrical parameters include a maximum on-resistance of 100 mΩ, a maximum turn-on time of 1.36 ms, and a maximum turn-off time of 230 µs. It provides robust protection against over-voltage, over-current, and thermal events, housed in a WLCSP-9 package.

Power Distribution Switches, Load Drivers Feature Summary

• Integrates True Reverse Current Blocking (TRCB) to prevent reverse current flow regardless of the switch state.
• Features adjustable current-limit control allowing precise setting between 50 mA and 2 A.
• Includes comprehensive protection mechanisms such as over-voltage protection, over-current protection with fault signaling, and thermal shutdown.
• Utilizes low impedance MOSFET technology to minimize conduction losses while maintaining high efficiency.

Power Distribution Switches, Load Drivers Applications

• Power distribution in portable consumer electronics
• Load switching in medical equipment
• Power management in industrial devices
• Protection circuits for storage systems

Power Distribution Switches, Load Drivers Procurement Notes

Verify the specific suffix 'UCX' corresponds to the required tape-and-reel packaging configuration when ordering. Confirm that the WLCSP-9 package dimensions align with your PCB footprint constraints. Ensure the design accounts for the thermal performance characteristics specified in the datasheet under expected operating conditions. Cross-reference the manufacturer's latest documentation for any updates to the RoHS compliance status or material declarations prior to final procurement.

Power Distribution Switches, Load Drivers Selection Notes

Select this component when a single-channel load switch with integrated over-voltage protection and adjustable current limiting is required. It is suitable for applications where space is limited due to its WLCSP-9 packaging. Consider this part if the system demands true reverse current blocking to protect upstream power sources. Ensure the input voltage range of 2.5 V to 5.5 V matches your system's power rail specifications.

Power Distribution Switches, Load Drivers Part Context

The FPF2495CUCX belongs to onsemi's IntelliMAX family of load switches, which are engineered for high integration and advanced protection features. This series targets applications requiring reliable power management in compact form factors. The device complements other power distribution solutions by offering combined over-voltage and over-current protection in a single small package, simplifying bill-of-materials for designers.

Power Distribution Switches, Load Drivers Replacement Considerations

Direct substitutes within the same family include the FPF2495C. Verify pinout compatibility and electrical specifications before substitution. Other similar devices may offer different current ratings or package types; ensure these differences do not impact system performance or physical fit.

Power Distribution Switches, Load Drivers FAQ

How is the current limit adjusted on the FPF2495CUCX?

The current limit is adjustable from 50 mA to 2 A by connecting an external resistor to the ISET pin.

Does the FPF2495CUCX support reverse current blocking?

Yes, it features True Reverse Current Blocking (TRCB), which prevents reverse current flow from output to input in both on and off states.

What protection features are included in this load switch?

It includes over-voltage protection, over-current protection with a fault flag output, and thermal shutdown protection.