Overview
The CSD17551Q3A is a 30-V, N-channel NexFET™ power MOSFET produced by Texas Instruments. This device is designed in a compact SON 3.3 mm x 3.3 mm package, making it ideal for applications where space is limited. The MOSFET is engineered to minimize losses in power conversion applications, offering ultra-low on-resistance and low thermal resistance. It is also avalanche rated, Pb-free, RoHS compliant, and halogen-free, ensuring environmental sustainability and reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage Rating (Vds) | 30 V |
| On-Resistance (Rds(on)) | 7.8 mΩ |
| Continuous Drain Current (Id) | 12 A (at Tc) |
| Package Type | SON 3.3 mm x 3.3 mm (8-VSONP) |
| Thermal Resistance (RθJA) | 60°C/W (minimum pad area of 1 inch^2) |
| Gate-Source Voltage (Vgs) | ±20 V |
| Operating Temperature Range | -55°C to 150°C |
Key Features
- Ultra-low on-resistance (Rds(on)) of 7.8 mΩ
- Low thermal resistance (RθJA) of 60°C/W
- Avalanche rated for robust operation
- Pb-free, RoHS compliant, and halogen-free for environmental sustainability
- Compact SON 3.3 mm x 3.3 mm package for space-efficient designs
- Ultra-low Qgd (gate-drain charge) for reduced switching losses
Applications
The CSD17551Q3A is suitable for various power conversion applications, including:
- DC-DC converters (synchronous buck, boost, and buck-boost)
- Power supplies for PoE (Power over Ethernet) devices
- Motor drive systems, particularly for BLDC motors
- High-efficiency synchronous rectifier applications
Q & A
- What is the voltage rating of the CSD17551Q3A MOSFET?
The voltage rating (Vds) of the CSD17551Q3A is 30 V. - What is the on-resistance (Rds(on)) of the CSD17551Q3A?
The on-resistance (Rds(on)) is 7.8 mΩ. - What is the package type of the CSD17551Q3A?
The package type is SON 3.3 mm x 3.3 mm (8-VSONP). - Is the CSD17551Q3A environmentally friendly?
Yes, it is Pb-free, RoHS compliant, and halogen-free. - What are the typical applications for the CSD17551Q3A?
Typical applications include DC-DC converters, power supplies for PoE devices, motor drive systems, and high-efficiency synchronous rectifier applications. - What is the thermal resistance (RθJA) of the CSD17551Q3A?
The thermal resistance (RθJA) is 60°C/W when mounted on a minimum pad area of 1 inch^2. - Is the CSD17551Q3A avalanche rated?
Yes, it is avalanche rated for robust operation. - What is the gate-source voltage (Vgs) rating of the CSD17551Q3A?
The gate-source voltage (Vgs) rating is ±20 V. - What tools are available for designing with the CSD17551Q3A?
Tools include MOSFET power loss calculators, SOA calculation tools, and TINA-TI Spice models. - Where can I find detailed technical documentation for the CSD17551Q3A?
Detailed technical documentation, including datasheets and application notes, can be found on the Texas Instruments website.
