Support software
LOAD-SWITCH-FET-LOSS-CALC — Power Loss Calculation Tool for Load Switch
Quickly trade off size, cost and performance to select the optimal MOSFET based on application conditions.
Data sheet
CSD18514Q5A
- Low RDS(ON)
- Low-Thermal Resistance
- Avalanche Rated
- Logic Level
- Lead-Free Terminal Plating
- RoHS Compliant
- Halogen Free
- SON 5-mm × 6-mm Plastic Package
This 4.1-mΩ, SON 5-mm × 6-mm, 40-V NexFET™ power MOSFET is designed to minimize losses in power conversion applications.
Technical documentation
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View all 9 | Top documentation | Type | Title | Format options | Date |
|---|---|---|---|---|
| * | Data sheet | CSD18514Q5A 40-V N-Channel NexFET Power MOSFET datasheet (Rev. A) | PDF | HTML | 18 Jan 2017 |
| Application brief | Estimating Leakage Currents of Power MOSFETs | PDF | HTML | 31 Oct 2025 | |
| Application note | MOSFET Support and Training Tools (Rev. G) | PDF | HTML | 27 Oct 2025 | |
| Application note | Semiconductor and IC Package Thermal Metrics (Rev. D) | PDF | HTML | 25 Mar 2024 | |
| Application note | Using MOSFET Transient Thermal Impedance Curves In Your Design | PDF | HTML | 18 Dec 2023 | |
| Application note | QFN and SON PCB Attachment (Rev. C) | PDF | HTML | 06 Dec 2023 | |
| Application note | Using MOSFET Safe Operating Area Curves in Your Design | PDF | HTML | 13 Mar 2023 | |
| Application brief | Tips for Successfully Paralleling Power MOSFETs | PDF | HTML | 31 May 2022 | |
| Application note | Ringing Reduction Techniques for NexFET High Performance MOSFETs | 16 Nov 2011 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
Support software
NONSYNC-BOOST-FET-LOSS-CALC — NONSYNC BOOST FET LOSS Calculator
MOSFET power loss calculator for non-synchronous boost converter
Supported products & hardware
Calculation tool
FET-SOA-CALC-SELECT — MOSFET SOA calculation and selection tool
Excel based FET SOA calculation and selection tool
Supported products & hardware
Calculation tool
MOTOR-DRIVE-FET-LOSS-CALC — Power Loss Calculation Tool for BLDC Motor Drive
This is an Excel-based MOSFET power loss calculator for brushless DC motor drive applications.
Supported products & hardware
Calculation tool
SLPR053 — Power Loss Calculation Tool for Synchronous Inverting Buck Boost Converter
MOSFET power loss calculation and selection tool for synchronous inverting buck boost converter
Supported products & hardware
Calculation tool
SYNC-BOOST-FET-LOSS-CALC — Power Loss Calculation Tool for Synchronous Boost Converter
MOSFET power loss calculator for synchronous boost converter applications.
Supported products & hardware
Calculation tool
SYNC-BUCK-FET-LOSS-CALC — Power Loss Calculation Tool for Synchronous Buck Converter
Quickly trade off size, cost and performance to select the optimal MOSFET based on application conditions.
Supported products & hardware
Calculation tool
SYNC-RECT-FET-LOSS-CALC — Power loss calculation tool for synchronous rectifier
MOSFET power loss calculator for synchronous rectifier applications
Reference designs
PMP40569 — 36~57-Vdc input, 5-V/4-A output isolated flyback with synchronous rectification reference design
This reference design is a 36~57-Vdc input, 5-V/4-A output isolated flyback converter using LM5155 and UCC24612. The switching frequency is 250 kHz. With the synchronous rectification controller UCC24612 and a MOSFET at the secondary side, the system achieves 89.29% peak efficiency at 36-V input, (...)
Reference designs
TIDA-010031 — 25.2-V, 30-A High-speed sensorless (> 100 krpm) brushless DC motor drive reference design
This reference design is for high-speed sensorless trapezoidal control of 6 to 33.6-V DC-fed Brushless DC (BLDC) motors up to 900 W and motor speeds of up to 180,000 rpm (verified up to 100,000 rpm). A cost-effective smart microcontroller with a hardware detection of the commutation points (...)
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| VSONP (DQJ) | 8 | Ultra Librarian |
Ordering & quality
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Recommended products may have parameters, evaluation modules or reference designs related to this TI product.
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