Overview
The NCP451AFCT2G from onsemi is a high-side power load switch designed to optimize battery life and enhance portable device autonomy. This component features a very low on-state resistance (RDS(on)) MOSFET controlled by an external logic pin. It is optimized for current consumption with an NMOS structure, eliminating leakage currents by isolating connected ICs from the battery when not in use. The device operates over a wide input voltage range from 0.75 V to 5.5 V, making it versatile for various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range | 0.75 V to 5.5 V | V |
| On-state Resistance (RDS(on)) | 12 mΩ (at 3.6 V to 5.5 V), 13 mΩ (at 1 V to 3.3 V) | mΩ |
| Maximum DC Current | 3 A | A |
| Output Auto-discharge Resistance | 1.0 kΩ to 1.7 kΩ | kΩ |
| Enable Input Voltage | 0.4 V to 0.8 V | V |
| Package Type | WLCSP-6 (0.9 x 1.4 mm) | - |
| Maximum Junction Temperature | -40°C to +125°C | °C |
| Moisture Sensitivity Level | Level 1 | - |
| Compliance | Pb-free, Halogen Free/BFR Free, RoHS Compliant | - |
Key Features
- Very low on-state resistance (RDS(on)) to minimize voltage drop and power loss.
- Wide operating voltage range from 0.75 V to 5.5 V.
- DC current capability up to 3 A.
- Output auto-discharge path to eliminate residual voltage on the output rail.
- Active high enable input pin.
- Ultra-small WLCSP-6 package (0.9 x 1.4 mm) suitable for space-constrained applications.
- Pb-free, Halogen Free/BFR Free, and RoHS compliant.
Applications
- Mobile Phones.
- Tablets.
- Digital Cameras.
- GPS Devices.
- Portable Devices.
- Load Management in Smart Phones, Tablets, and Ultrabooks.
- Industrial Automation equipment requiring controlled power sequencing.
- Computing and Data Storage systems needing precise power management.
- Telecommunications equipment such as network routers, switches, and base stations.
- Electronic Manufacturing using SMT assembly lines).
Q & A
- What is the operating voltage range of the NCP451AFCT2G?
The operating voltage range is from 0.75 V to 5.5 V.
- What is the maximum DC current the NCP451AFCT2G can handle?
The maximum DC current is up to 3 A).
- What is the on-state resistance (RDS(on)) of the NCP451AFCT2G?
The on-state resistance is 12 mΩ (at 3.6 V to 5.5 V) and 13 mΩ (at 1 V to 3.3 V)).
- Does the NCP451AFCT2G have an auto-discharge feature?
Yes, it has an output auto-discharge path to eliminate residual voltage on the output rail).
- What is the package type and size of the NCP451AFCT2G?
The package type is WLCSP-6, measuring 0.9 x 1.4 mm).
- Is the NCP451AFCT2G compliant with environmental standards?
Yes, it is Pb-free, Halogen Free/BFR Free, and RoHS compliant).
- What is the maximum junction temperature for the NCP451AFCT2G?
The maximum junction temperature is -40°C to +125°C).
- What is the moisture sensitivity level of the NCP451AFCT2G?
The moisture sensitivity level is Level 1).
- How does the enable input pin work on the NCP451AFCT2G?
The enable input pin is active high, meaning the path is opened when the EN pin is tied low (disable) and activated when the EN pin is set to high).
- What are some typical applications for the NCP451AFCT2G?
Typical applications include mobile phones, tablets, digital cameras, GPS devices, and other portable devices. It is also used in industrial automation, computing and data storage, and telecommunications equipment).
