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CSD86350Q5D

ACTIVE

25-V, N channel synchronous buck NexFET™ power MOSFET, SON 5 mm x 6 mm power block, 40 A

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Data sheet

CSD86350Q5D

ACTIVE
Data sheet Order now

Product details

VDS (V) 25 VGS (V) 10 Type Power block Configuration PowerBlock ID - continuous drain current at TA=25°C (A) 40 Power loss (W) 2.8 Ploss current (A) 25 Features Power supply Rating Catalog Operating temperature range (°C) -55 to 150
VDS (V) 25 VGS (V) 10 Type Power block Configuration PowerBlock ID - continuous drain current at TA=25°C (A) 40 Power loss (W) 2.8 Ploss current (A) 25 Features Power supply Rating Catalog Operating temperature range (°C) -55 to 150
LSON-CLIP (DQY) 8 30 mm² (5 mm × 6 mm)
  • Half-Bridge Power Block
  • 90% System Efficiency at 25 A
  • Up to 40-A Operation
  • High-Frequency Operation (up to 1.5 MHz)
  • High-Density SON 5-mm × 6-mm Footprint
  • Optimized for 5-V Gate Drive
  • Low-Switching Losses
  • Ultra-Low Inductance Package
  • RoHS Compliant
  • Halogen Free
  • Lead-Free Terminal Plating
  • APPLICATIONS
    • Synchronous Buck Converters
      • High-Frequency Applications
      • High-Current, Low-Duty Cycle Applications
    • Multiphase Synchronous Buck Converters
    • POL DC-DC Converters
    • IMVP, VRM, and VRD Applications

All other trademarks are the property of their respective owners
  • Half-Bridge Power Block
  • 90% System Efficiency at 25 A
  • Up to 40-A Operation
  • High-Frequency Operation (up to 1.5 MHz)
  • High-Density SON 5-mm × 6-mm Footprint
  • Optimized for 5-V Gate Drive
  • Low-Switching Losses
  • Ultra-Low Inductance Package
  • RoHS Compliant
  • Halogen Free
  • Lead-Free Terminal Plating
  • APPLICATIONS
    • Synchronous Buck Converters
      • High-Frequency Applications
      • High-Current, Low-Duty Cycle Applications
    • Multiphase Synchronous Buck Converters
    • POL DC-DC Converters
    • IMVP, VRM, and VRD Applications

All other trademarks are the property of their respective owners

The CSD86350Q5D NexFET™ power block is an optimized design for synchronous buck applications offering high-current, high-efficiency, and high-frequency capability in a small 5-mm × 6-mm outline. Optimized for 5-V gate drive applications, this product offers a flexible solution capable of offering a high-density power supply when paired with any 5-V gate drive from an external controller/driver.

The CSD86350Q5D NexFET™ power block is an optimized design for synchronous buck applications offering high-current, high-efficiency, and high-frequency capability in a small 5-mm × 6-mm outline. Optimized for 5-V gate drive applications, this product offers a flexible solution capable of offering a high-density power supply when paired with any 5-V gate drive from an external controller/driver.
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet CSD86350Q5D Synchronous Buck NexFET™ Power Block datasheet (Rev. F) PDF | HTML Oct 5, 2016
Application note MOSFET Support and Training Tools (Rev. G) PDF | HTML Oct 27, 2025
Application note Avoid Common Mistakes When Selecting And Designing With Power MOSFETs PDF | HTML Nov 6, 2024
Application note Semiconductor and IC Package Thermal Metrics (Rev. D) PDF | HTML Mar 25, 2024
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML Dec 6, 2023
Application brief Tips for Successfully Paralleling Power MOSFETs PDF | HTML May 31, 2022
Technical article High Density PCB Layout of DC/DC Converters, Part 2 PDF | HTML Sep 16, 2015
Technical article Power Tips: Controlling errors in measuring power-supply efficiency PDF | HTML Jun 15, 2015
Application note Ringing Reduction Techniques for NexFET High Performance MOSFETs Nov 16, 2011
Application note PowerStack™ Packaging Technology Overview Jul 18, 2011

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

CSD86350Q5DEVM-604 — High Density, High Current Power Supply Solution Using NexFET™ Power Block and TPS51218

The CSD86350Q5DEVM-604 evaluation module (EVM) is a synchronous buck converter featuring TI'sNexFET™ Power Block technology to provide a high current, ultra-high density power supply solution. The EVM provides a 1.2V output at 25A from a 12V nominal input bus at over 92% efficiency. The EVM is (...)
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Evaluation board

TPS53219EVM-690 — TPS53219EVM-690 Wide-Input Voltage Eco-mode™, Single, Synchronous, Step-Down Controller

The TPS53219EVM-690 evaluation module (EVM) uses the TPS53219. The TPS53219 is a small-size, single buck controller with adaptive on-time D-CAP™ mode control. It provides a fixed 1.1-V output at up to 25 A from a 12-V input bus. TPS53219EVM-690 also uses the 5-mm x 6-mm TI power block MOSFET (...)

User guide: PDF | HTML
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Simulation model

CSD86350Q5D Unencrypted PSpice Model (Rev. A)

SLLM123A.ZIP (8 KB) - PSpice model
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
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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
Package Pins CAD symbols, footprints & 3D models
LSON-CLIP (DQY) 8 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

Ordering & quality

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Support & training

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