Overview
The onsemi NCP380HSNAJAAT1G is a high-side power-distribution switch designed to handle applications with heavy capacitive loads and potential short circuits. This device is part of the NCP380 series and features a P-channel MOSFET integrated into a TSOP-6 package. It is engineered to protect the input supply voltage under various fault conditions, including overcurrent, thermal shutdown, and reverse voltage. The switch includes adjustable current-limiting capabilities, allowing users to set the current limit threshold using an external resistor. Additionally, it incorporates soft-start circuitry to mitigate large current and voltage surges during startup.
Key Specifications
| Configuration | High Side |
|---|---|
| Input Voltage | 2.5V to 5.5V |
| No of Elements | Single |
| On-state Resistance-Max | 110mΩ |
| Rated Current-Max | 2.1A |
| Type | Power Distribution Switch |
| Package Style | SC-74 (TSOP-6) |
| Mounting Method | Surface Mount |
| Junction Temperature Range | −40°C to 125°C |
| Enable Input | Logic High or Low |
| ESD Withstand Voltage | 15 kV (Air), 8 kV (Contact) |
Key Features
- Operating voltage range: 2.5V to 5.5V
- Integrated 70 mΩ high-side MOSFET
- Current limit adjustable from 500 mA to 2.1 A or fixed at various levels
- Under Voltage Lock-out (UVLO) and built-in soft-start circuitry
- Thermal protection and soft turn-off
- Reverse voltage protection and internal reverse-voltage detection comparator
- FLAG logic output for overcurrent, overtemperature, or reverse-voltage conditions
- Compliance to IEC61000-4-2 (Level 4) and UL Listed − File No. E343275
- Pb-Free device
Applications
- Laptops
- USB Ports/Hubs
- TVs
Q & A
- What is the primary function of the NCP380HSNAJAAT1G?
The NCP380HSNAJAAT1G is a high-side power-distribution switch designed to protect the input supply voltage from heavy capacitive loads, short circuits, and other fault conditions.
- What is the operating voltage range of the NCP380HSNAJAAT1G?
The operating voltage range is from 2.5V to 5.5V.
- How is the current limit threshold set for the NCP380HSNAJAAT1G?
The current limit threshold can be set using an external resistor for adjustable versions or is fixed at various levels for non-adjustable versions.
- What type of package does the NCP380HSNAJAAT1G come in?
The device comes in a TSOP-6 (SC-74) package.
- What is the maximum rated current for the NCP380HSNAJAAT1G?
The maximum rated current is 2.1A.
- Does the NCP380HSNAJAAT1G have thermal protection?
Yes, it includes thermal shutdown and thermal regulation thresholds to protect against overheating.
- How does the FLAG pin function in the NCP380HSNAJAAT1G?
The FLAG pin is an open-drain output that asserts low during overcurrent, reverse-voltage, or overtemperature conditions.
- Is the NCP380HSNAJAAT1G compliant with any specific standards?
Yes, it is compliant with IEC61000-4-2 (Level 4) and is UL Listed − File No. E343275.
- What are some typical applications for the NCP380HSNAJAAT1G?
Typical applications include laptops, USB ports/hubs, and TVs.
- Is the NCP380HSNAJAAT1G a Pb-Free device?
Yes, the NCP380HSNAJAAT1G is a Pb-Free device.
