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CSD17577Q3A ACTIVE 30-V, N channel NexFET™ power MOSFET, single SON 3 mm x 3 mm, 6.4 mOhm
CSD17581Q3A ACTIVE 30-V, N channel NexFET™ power MOSFET, single SON 3 mm x 3 mm, 4.7 mOhm

Product details

VDS (V) 25 Configuration Single Rds(on) max at VGS=4.5 V (mOhms) 5.5 IDM - pulsed drain current (Max) (A) 112 QG typ (nC) 6.2 QGD typ (nC) 1.1 QGS typ (nC) 1.8 Package (mm) SON3x3 VGS (V) 10 VGSTH typ (V) 1.1 ID - silicon limited at Tc=25degC (A) 21 ID - package limited (A) 60 Logic level Yes
VDS (V) 25 Configuration Single Rds(on) max at VGS=4.5 V (mOhms) 5.5 IDM - pulsed drain current (Max) (A) 112 QG typ (nC) 6.2 QGD typ (nC) 1.1 QGS typ (nC) 1.8 Package (mm) SON3x3 VGS (V) 10 VGSTH typ (V) 1.1 ID - silicon limited at Tc=25degC (A) 21 ID - package limited (A) 60 Logic level Yes
  • Optimized for 5-V Gate Drive
  • Ultra-Low Qg and Qgd
  • Low Thermal Resistance
  • Avalanche Rated
  • Lead-Free Terminal Plating
  • RoHS Compliant
  • Halogen Free
  • SON 3.3-mm × 3.3-mm Plastic Package
  • APPLICATIONS
    • Point-of-Load Synchronous Buck Converter for Applications in Networking, Telecom and Computing Systems
    • Optimized for Control or Synchronous FET Applications

All other trademarks are the property of their respective owners

  • Optimized for 5-V Gate Drive
  • Ultra-Low Qg and Qgd
  • Low Thermal Resistance
  • Avalanche Rated
  • Lead-Free Terminal Plating
  • RoHS Compliant
  • Halogen Free
  • SON 3.3-mm × 3.3-mm Plastic Package
  • APPLICATIONS
    • Point-of-Load Synchronous Buck Converter for Applications in Networking, Telecom and Computing Systems
    • Optimized for Control or Synchronous FET Applications

All other trademarks are the property of their respective owners

This 25-V, 3.8-mΩ, 3.3 × 3.3-mm SON NexFET™ power MOSFET has been designed to minimize losses in power conversion and optimized for 5-V gate drive applications.

This 25-V, 3.8-mΩ, 3.3 × 3.3-mm SON NexFET™ power MOSFET has been designed to minimize losses in power conversion and optimized for 5-V gate drive applications.

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Technical documentation

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Type Title Date
* Data sheet CSD16323Q3 N-Channel NexFET™ Power MOSFET datasheet (Rev. C) PDF | HTML 29 Nov 2016
Application note MOSFET Support and Training Tools (Rev. A) PDF | HTML 04 Nov 2022
Application note Tips for Successfully Paralleling Power MOSFETs PDF | HTML 31 May 2022
Technical article Understanding the benefits of “lead-free” power MOSFETs 08 Feb 2019
Application note QFN and SON PCB Attachment (Rev. B) PDF | HTML 24 Aug 2018
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Application note Semiconductor and IC Package Thermal Metrics (Rev. C) PDF | HTML 19 Apr 2016
Technical article When to use load switches in place of discrete MOSFETs 03 Feb 2016
Technical article 48V systems: Driving power MOSFETs efficiently and robustly 08 Oct 2015
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.

Simulation model

CSD16323Q3 TINA-TI Spice Model

SLIM044.TSM (7 KB) - TINA-TI Spice Model
Simulation model

CSD16323Q3 Unencrypted PSpice Model (Rev. B)

SLIM299B.ZIP (8 KB) - PSpice Model
Calculation tool

MOSFET-LOSS-CALC — Power Loss Calculation Tool for MOSFET Products

The MOSFET-LOSS-CALC is an Excel based tool that allows users to estimate power loss in a synchronous buck converter based on system and MOSFET parameters. For help selecting a discrete MOSFET or power block solution for your buck converter application, check out our Buck Converter NexFET™ (...)
Calculation tool

MOTOR-DRIVE-FET-LOSS-CALC — MOSFET power loss calculator for motor drive applications

This is an Excel-based MOSFET power loss calculator for brushless DC motor drive applications.
Calculation tool

NONSYNC-BOOST-FET-LOSS-CALC — Power loss calculation tool for non-synchronous boost converter

MOSFET power loss calculator for non-synchronous boost converter
Calculation tool

SYNC-BOOST-FET-LOSS-CALC — Power loss calculation tool for synchronous boost converter

MOSFET power loss calculator for synchronous boost converter applications.
Calculation tool

SYNC-BUCK-FET-LOSS-CALC — MOSFET power loss calculator for synchronous buck converter applications

Quickly trade off size, cost and performance to select the optimal MOSFET based on application conditions.
Calculation tool

SYNC-RECT-FET-LOSS-CALC — Power loss calculation tool for synchronous rectifier

MOSFET power loss calculator for synchronous rectifier applications
Reference designs

PMP40441 — Multi-cell buck-boost battery charger system reference design for USB PD PPS

This reference design is for USB Power Delivery (PD) battery charging applications, such as power banks or other portable devices. It employs the Buck-Boost charger BQ25713 for a wide input and output range for USB PD charging. The USB PD controller card (PMP40442) can configure the charger to run (...)
Test report: PDF
Schematic: PDF
Reference designs

TIDA-01182 — Portable Audio Amplifier with Auto Audio Control 1S1P BMS Reference Design

High performance, 10Watt (5W per speaker) portable audio amplifier that includes everything you need to implement a BMS (Battery Management Solution) for a portable audio amplifier (including a Charger, Fuel (Gas) Gauge and Protection for a 1S1P 18650 2400mAh Lithium battery) for a Class D Audio (...)
Design guide: PDF
Schematic: PDF
Reference designs

PMP9779 — Output Short-Circuit Protection Reference Design for the TPS61088 Boost Converter

This reference design delivers an output short-circuit protection solution for the TPS61088 boost converter. This feature is realized by an over current protection (OCP) circuit. When the output is shorted to ground or the load current is higher than a certain value, the OCP circuit will (...)
Test report: PDF
Schematic: PDF
Reference designs

PMP40001 — USB Type-C PD DFP 5/12/20V3A Output with 2~3 Cell Battery Input Power Bank Reference Design

PMP40001 is a full featured USB type-C PD DFP reference design. The pure analog configuration for the USB type-C source controller--TPS25740 makes the PD negotiation easy. It supports 3 sets of output voltage options including 5V/12V/20V.  The max output current is 3A which provides a maximal (...)
Test report: PDF
Schematic: PDF
Reference designs

PMP9382 — High-Efficiency Low Vin 30W Boost Converter for Automotive Applications (E-Call) Reference Design

PMP9382 is a low Vin boost converter utilizing the automotive grade LM3478Q-Q1 controller. This design starts at a diode drop above the minimum input voltage of 2.97V (~3.4V) to a maximum of 6V in.  Once the power supply is enabled and output is present, this design will work down to 2V input (...)
Test report: PDF
Schematic: PDF
Reference designs

PMP9512 — Reference Design - SEPIC Converter Delivers 3.3V at 3.25A from Low Input Voltage

This coupled-inductor, 3.3V at 3.25A, SEPIC converter delivers high current in a compact area. This circuit is optimized for input voltages within 3.0V - 3.6V. It is also suitable for battery application.
Test report: PDF
Schematic: PDF
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