Overview
The FPF2495CUCX, produced by onsemi, is an advanced load-management switch designed for applications requiring highly integrated power management solutions. This device is part of the IntelliMAX™ series and is optimized for disconnecting loads powered from DC power rails with stringent off-state current targets and high load capacitances. It features a slew-rate controlled low-impedance MOSFET switch, integrated analog features, and various protection mechanisms such as over-voltage, over-current, and over-temperature protection.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VIN Input Voltage | 2.5 | 5.5 | V | |
| VOUT Absolute Ratings | -0.3 | 28.0 | V | |
| Current Capability | 2 | A | ||
| Adjustable Current Limit | 0.05 | 2 | A | |
| RON On Resistance | 70 | 100 | mΩ | |
| Output OVP Lockout Threshold | 5.6 | 5.8 | 6.0 | V |
| Off-State Current | 2 | μA | ||
| Operating Temperature Range | -40 | 85 | °C | |
| Package Type | WLCSP9 (1.21x1.21x0.586 mm) |
Key Features
- Slew-rate controlled low-impedance MOSFET switch to prevent inrush current and voltage droop.
- Over-voltage protection (OVP) and over-temperature protection.
- True Reverse-Current Blocking (TRCB) to prevent unwanted reverse current.
- Adjustable current limit from 0.05 A to 2 A.
- Logic CMOS input compatible with low-voltage control signals (GPIO).
- No output discharge during the off state.
- Open-drain over-current protection (OCP) flag output.
- Under-voltage lockout (UVLO) and thermal shutdown.
- ESD protection: Human Body Model > 2 kV, Charged Device Model > 2.5 kV.
Applications
- Smartphones and tablet PCs.
- Storage devices, DSLR cameras, and portable devices.
- Consumer, optical, medical, and industrial-device power management.
Q & A
- What is the input voltage range of the FPF2495CUCX?
The input voltage range is from 2.5 V to 5.5 VDC.
- What is the maximum current capability of the FPF2495CUCX?
The maximum current capability is 2 A.
- How is the current limit set for the FPF2495CUCX?
The current limit is set using an external resistor connected between the ISET and GND pins.
- What protection mechanisms does the FPF2495CUCX include?
The device includes over-voltage protection (OVP), over-current protection (OCP), over-temperature protection, and true reverse-current blocking (TRCB).
- What is the package type and dimensions of the FPF2495CUCX?
The package type is WLCSP9 with dimensions of 1.21x1.21x0.586 mm.
- What is the operating temperature range of the FPF2495CUCX?
The operating temperature range is from -40°C to 85°C.
- Does the FPF2495CUCX have ESD protection?
- How does the FPF2495CUCX prevent inrush current?
The device uses a slew-rate controlled turn-on characteristic to prevent inrush current and resulting voltage droop.
- What is the purpose of the OCFLAGB output in the FPF2495CUCX?
The OCFLAGB output is an open-drain signal that indicates an over-current condition by pulling low.
- Does the FPF2495CUCX require external capacitors for operation?
