Overview
The NX20P5090UK041, produced by NXP USA Inc., is an advanced 5 A unidirectional power switch specifically designed for USB Power Delivery (USB PD) applications. This device is engineered to provide robust protection and enhance system reliability in portable, battery-operated devices. It features a wide supply voltage range, high current handling, and multiple protection circuits, making it an essential component in modern power management systems.
Key Specifications
| Parameter | Value |
|---|---|
| Continuous Switch Current | 5 A (Tamb = 85 °C), 3.5 A (Tamb = 105 °C) |
| Peak Switch Current | 10 A (100 μs pulse, 2% duty cycle) |
| Supply Voltage Range | 2.5 V to 20 V |
| ON Resistance | 30 mΩ (typical) |
| Over Voltage Protection (OVP) Threshold | Default: 23 V, Adjustable via external resistor divider |
| Reverse Current Protection | Two-level reverse-current protection |
| Over Temperature Protection | Yes |
| Under Voltage Lockout | Yes |
| Surge Protection | IEC61000-4-5 exceeds ±90 V on VBUS without capacitor, ±100 V with 22 μF capacitor |
| Package | 15 bump WLCSP, 2.56 x 1.54 x 0.555 mm |
| Storage Temperature | -65 °C to +150 °C |
| Total Power Dissipation (Tamb = 25 °C) | 1.45 W |
Key Features
- Wide supply voltage range from 2.5 V to 20 V
- High continuous current handling of up to 5 A
- 29 V tolerance on both VBUS and VINT pins
- Low ON resistance of 30 mΩ (typical)
- Adjustable VBUS over voltage protection
- Built-in slew rate control for inrush current limit
- Two-level reverse-current protection
- Protection circuitry including over-temperature, over-voltage, under-voltage lockout, and reverse current protection
- Surge protection exceeding IEC61000-4-5 standards
- ESD protection
Applications
The NX20P5090UK041 is typically used in the charging path of USB ports in portable, battery-operated devices. It is designed to provide essential protection and enhance system reliability in various power management applications, including but not limited to:
- USB PD power control systems
- Portable electronics charging circuits
- Battery-powered devices requiring robust power switching and protection
Q & A
- What is the continuous switch current of the NX20P5090UK041?
The continuous switch current is 5 A at 85 °C and 3.5 A at 105 °C. - What is the supply voltage range of the NX20P5090UK041?
The supply voltage range is from 2.5 V to 20 V. - How can the over voltage protection threshold be adjusted?
The OVP threshold can be adjusted using an external resistor divider on the OVLO pin. - What type of package does the NX20P5090UK041 come in?
The device is offered in a 15 bump WLCSP package, measuring 2.56 x 1.54 x 0.555 mm. - Does the NX20P5090UK041 have surge protection?
Yes, it exceeds IEC61000-4-5 standards for surge protection. - Can two NX20P5090UK041 devices be used in parallel?
Yes, two devices can be used in parallel to support dual power inputs connecting to the same charging circuit. - What is the storage temperature range for the NX20P5090UK041?
The storage temperature range is from -65 °C to +150 °C. - What is the total power dissipation at 25 °C?
The total power dissipation at 25 °C is 1.45 W. - Does the NX20P5090UK041 have ESD protection?
Yes, it includes ESD protection. - How does the reverse current protection work?
The device features two-level reverse-current protection to prevent backward leakage.
