Overview
The CSD17579Q3A is a high-performance N-channel MOSFET designed and manufactured by Texas Instruments. It belongs to the NexFET™ series, known for its efficiency and reliability in power conversion applications. This surface-mount device is housed in a compact VSONP8 package, making it suitable for space-constrained designs. With a maximum drain-source voltage of 30V and a continuous drain current of 39A, the CSD17579Q3A is ideal for low-voltage, high-current applications. Its low on-resistance (RDS(on)) and fast switching capabilities make it a preferred choice for power management, motor control, and DC-DC converters.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Configuration | Single | - | - |
| Threshold Voltage | 1.9 | V | @250µA |
| Transistor Type | N-channel | - | - |
| Power Dissipation | 29 | W | @Tc |
| Gate Charge (Qg) | 5.3 | nC | - |
| Reverse Transfer Capacitance (Crss) | 38 | pF | - |
| Gate-Source Breakdown Voltage | ±20 | V | - |
| Breakdown Voltage (VDSS) | 30 | V | - |
| Storage Temperature | -55 to +150 | °C | - |
| Pin Count | 8 | - | - |
| Dimensions | 3.22 x 3.12 | mm | - |
| Certification | RoHS | - | - |
| RDS(on) (max) | 10.2 | mΩ | @8A, 10V |
| Moisture Sensitivity Level (MSL) | 1 | - | Unlimited |
| Lead-Free | Yes | - | - |
| Series | NexFET™ | - | - |
| Status | Active | - | - |
| Continuous Drain Current | 39 | A | - |
| Operating Temperature | -55 to +150 | °C | - |
| Mounting Type | SMT | - | - |
| Package | VSONP8 | - | - |
Key Features
- Low gate charge (Qg) and reverse transfer capacitance (Crss) for fast switching.
- Low on-resistance (RDS(on)) minimizes power loss and improves efficiency.
- Compact VSONP8 package for space-constrained designs.
- RoHS compliant and lead-free, ensuring environmental safety.
- High current handling capability (39A continuous drain current).
Applications
The CSD17579Q3A is widely used in various applications, including:
- Power Management: Efficiently manages power in low-voltage systems such as battery management and DC-DC converters.
- Motor Control: Suitable for driving motors in applications like electric vehicles and drones due to its high current capacity.
- DC-DC Converters: Enhances efficiency in power conversion circuits, making it ideal for adapters and energy converters.
- Switching Applications: Used in power switches for inverters and power supply units (PSUs).
Q & A
1. What is the maximum drain-source voltage of the CSD17579Q3A?
The maximum drain-source voltage (VDSS) is 30V.
2. What is the continuous drain current rating?
The continuous drain current (ID) is 39A.
3. Is the CSD17579Q3A RoHS compliant?
Yes, it is RoHS compliant and lead-free.
4. What is the typical gate charge (Qg) of this MOSFET?
The typical gate charge is 5.3nC.
5. What is the on-resistance (RDS(on)) at VGS = 10V?
The maximum on-resistance is 10.2mΩ at VGS = 10V.
6. What is the operating temperature range?
The operating temperature ranges from -55°C to +150°C.
7. What package does the CSD17579Q3A use?
It uses a VSONP8 package.
8. Can this MOSFET be used in motor control applications?
Yes, its high current capacity makes it suitable for motor control in applications like electric vehicles and drones.
9. What is the threshold voltage (VGS(th))?
The threshold voltage is 1.9V at 250µA.
10. Is the CSD17579Q3A suitable for DC-DC converters?
Yes, its low on-resistance and fast switching make it ideal for DC-DC converters.
