Overview
The NX20P5090UKAZ is an advanced 5 A unidirectional power switch designed for USB Power Delivery (USB PD) applications. Produced by NXP USA Inc., this component is engineered to provide robust protection and enhance system reliability in power control scenarios. It features a wide supply voltage range from 2.5 V to 20 V and is packaged in a compact 15-bump, 2.56 x 1.54 x 0.555 mm WLCSP package.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.5 V to 20 V |
| Continuous Switch Current | 5 A (at 85°C), 3.5 A (at 105°C) |
| Peak Switch Current | 10 A (100 μs pulse, 2% duty cycle) |
| On-State Resistance | 30 mΩ (typical) |
| Over Voltage Protection | Default 23 V, adjustable via external resistor divider |
| Under Voltage Lockout | Yes |
| Reverse Current Protection | Yes |
| Over Temperature Protection | Yes |
| Surge Protection | IEC61000-4-5 exceeds ±90 V on VBUS without capacitor, ±100 V with 22 μF capacitor |
| Package Type | 15-bump WLCSP |
| Package Dimensions | 2.56 x 1.54 x 0.555 mm |
Key Features
- Wide supply voltage range from 2.5 V to 20 V
- High continuous switch current of 5 A
- Low on-state resistance of 30 mΩ (typical)
- Adjustable over voltage protection threshold
- Built-in slew rate control for inrush current limit
- Comprehensive protection circuitry including under voltage lockout, over voltage protection, reverse current protection, and over temperature protection
- Surge protection exceeding IEC61000-4-5 standards
- Compact WLCSP package for space-efficient designs
Applications
The NX20P5090UKAZ is primarily used in USB Power Delivery (USB PD) applications, including but not limited to:
- USB-C power delivery systems
- High-power charging solutions
- Power distribution in mobile devices and laptops
- Industrial and automotive power management systems requiring robust protection and reliability
Q & A
- What is the maximum continuous switch current of the NX20P5090UKAZ?
The maximum continuous switch current is 5 A at 85°C and 3.5 A at 105°C. - What is the input voltage range of the NX20P5090UKAZ?
The input voltage range is from 2.5 V to 20 V. - Does the NX20P5090UKAZ have adjustable over voltage protection?
Yes, the over voltage protection threshold can be adjusted using an external resistor divider on the OVLO pin. - What type of package does the NX20P5090UKAZ come in?
The component is packaged in a 15-bump WLCSP package with dimensions of 2.56 x 1.54 x 0.555 mm. - What are the key protection features of the NX20P5090UKAZ?
The key protection features include under voltage lockout, over voltage protection, reverse current protection, and over temperature protection. - Can the NX20P5090UKAZ handle surge protection?
Yes, it exceeds IEC61000-4-5 surge protection standards, with ±90 V on VBUS without a capacitor and ±100 V with a 22 μF capacitor. - How does the NX20P5090UKAZ manage inrush current?
The device has built-in slew rate control to limit inrush current, along with a 15 ms de-bounce time before switching on. - Can two NX20P5090UKAZ chips be used in parallel?
Yes, two chips can be used in parallel to support dual power inputs connecting to the same charging circuit. - What is the typical on-state resistance of the NX20P5090UKAZ?
The typical on-state resistance is 30 mΩ. - What are the storage temperature limits for the NX20P5090UKAZ?
The storage temperature range is from -65°C to 150°C.
