Overview
The CSD18514Q5AT is a 40-V N-Channel NexFET™ power MOSFET produced by Texas Instruments. This device is designed to minimize losses in power conversion applications, featuring a low on-state resistance (RDS(on)) and low thermal resistance. It is packaged in a SON 5-mm × 6-mm plastic package, making it suitable for a variety of high-performance applications. The MOSFET is logic level, avalanche rated, and complies with RoHS and halogen-free standards, ensuring environmental sustainability and reliability.
Key Specifications
| Parameter | Test Conditions | Typical Value | Unit |
|---|---|---|---|
| VDS - Drain-to-Source Voltage | VGS = 0 V, ID = 250 μA | 40 | V |
| VGS - Gate-to-Source Voltage | ±20 | V | |
| ID - Continuous Drain Current (Package Limited) | 50 | A | |
| ID - Continuous Drain Current (Silicon Limited), TC = 25°C | 89 | A | |
| IDM - Pulsed Drain Current | 237 | A | |
| PD - Power Dissipation | 3.1 | W | |
| TJ, Tstg - Operating Junction, Storage Temperature | -55 to 150 | °C | |
| RDS(on) - Drain-to-Source On Resistance (VGS = 10 V, ID = 14 A) | 4.1 | mΩ | |
| VGS(th) - Gate-to-Source Threshold Voltage | VDS = VGS, ID = 250 μA | 1.8 | V |
| Qg - Gate Charge Total (10 V) | VDS = 20 V, ID = 14 A | 29 | nC |
| Qgd - Gate Charge Gate-to-Drain | 5.0 | nC |
Key Features
- Low RDS(on) of 4.1 mΩ at VGS = 10 V, ID = 14 A
- Low thermal resistance
- Avalanche rated for robust operation
- Logic level for easy integration with digital circuits
- Lead-free terminal plating and RoHS compliant
- Halogen free for environmental sustainability
- SON 5-mm × 6-mm plastic package for compact design
Applications
- DC-DC conversion
- Secondary side synchronous rectifier
- Battery motor control
Q & A
- What is the maximum drain-to-source voltage (VDS) of the CSD18514Q5AT?
The maximum drain-to-source voltage (VDS) is 40 V.
- What is the typical on-state resistance (RDS(on)) at VGS = 10 V and ID = 14 A?
The typical on-state resistance (RDS(on)) is 4.1 mΩ.
- What is the gate-to-source threshold voltage (VGS(th))?
The gate-to-source threshold voltage (VGS(th)) is typically 1.8 V.
- What is the maximum continuous drain current (ID) for the package?
The maximum continuous drain current (ID) for the package is 50 A.
- What is the maximum pulsed drain current (IDM)?
The maximum pulsed drain current (IDM) is 237 A.
- What is the operating junction and storage temperature range?
The operating junction and storage temperature range is -55 to 150°C.
- Is the CSD18514Q5AT RoHS compliant and halogen free?
Yes, the CSD18514Q5AT is RoHS compliant and halogen free.
- What are the common applications of the CSD18514Q5AT?
Common applications include DC-DC conversion, secondary side synchronous rectifier, and battery motor control.
- What is the package type of the CSD18514Q5AT?
The package type is SON 5-mm × 6-mm plastic package.
- What is the total gate charge (Qg) at VGS = 10 V?
The total gate charge (Qg) at VGS = 10 V is typically 29 nC.
