Overview
The Texas Instruments CSD18512Q5B is a 40 V, 1.3 mΩ N-channel NexFET™ power MOSFET designed to minimize losses in power conversion applications. This device is housed in a 5 mm × 6 mm PowerTDFN-8 package and is optimized for high-efficiency switching in various power management scenarios. It features low thermal resistance, rapid current sensing, and overcurrent limiting protection, making it a robust and reliable choice for demanding applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VDS (Drain to Source Voltage) | 40 | V |
| Rds(on) at VGS=4.5 V (max) | 2.3 | mΩ |
| Rds(on) at VGS=10 V (max) | 1.6 | mΩ |
| IDM - Pulsed Drain Current (max) | 400 | A |
| QG (Total Gate Charge) (typ) | 75 | nC |
| QGD (Gate to Drain Charge) (typ) | 13.3 | nC |
| VGS (Gate to Source Voltage) | ±20 | V |
| VGS(th) (Threshold Voltage) (typ) | 1.6 | V |
| ID - Continuous Drain Current (silicon limited) at TC=25°C | 211 | A |
| Operating Temperature Range | -55 to 150 | °C |
Key Features
- Low RDS(on) for high efficiency
- Low thermal resistance
- Rapid current sensing
- Overcurrent limiting protection
- Avalanche rated
- Logic level compatibility
- Pb-free terminal plating and RoHS compliant
- Halogen-free
Applications
- DC-DC conversion
- Secondary side synchronous rectifier
- Motor control
Q & A
- What is the maximum drain to source voltage (VDS) of the CSD18512Q5B?
The maximum VDS is 40 V. - What is the typical on-resistance (Rds(on)) at VGS=10 V?
The typical Rds(on) at VGS=10 V is 1.6 mΩ. - What is the maximum pulsed drain current (IDM) of the CSD18512Q5B?
The maximum IDM is 400 A. - What is the operating temperature range of the CSD18512Q5B?
The operating temperature range is -55 to 150°C. - Is the CSD18512Q5B RoHS compliant?
Yes, the CSD18512Q5B is RoHS compliant. - What package type is the CSD18512Q5B available in?
The CSD18512Q5B is available in a PowerTDFN-8 package. - What are some of the key applications of the CSD18512Q5B?
The key applications include DC-DC conversion, secondary side synchronous rectifier, and motor control. - Does the CSD18512Q5B support logic level gate drive?
Yes, the CSD18512Q5B supports logic level gate drive. - What is the typical gate charge (QG) of the CSD18512Q5B?
The typical QG is 75 nC. - Is the CSD18512Q5B halogen-free?
Yes, the CSD18512Q5B is halogen-free.
