Product details

VDS (V) 30 Configuration Single Rds(on) max at VGS=4.5 V (mOhms) 6.3 IDM - pulsed drain current (Max) (A) 112 QG typ (nC) 7.5 QGD typ (nC) 1.7 Package (mm) SON3x3 VGS (V) 10 VGSTH typ (V) 1.2 ID - silicon limited at Tc=25degC (A) 60 ID - package limited (A) 60 Logic level Yes
VDS (V) 30 Configuration Single Rds(on) max at VGS=4.5 V (mOhms) 6.3 IDM - pulsed drain current (Max) (A) 112 QG typ (nC) 7.5 QGD typ (nC) 1.7 Package (mm) SON3x3 VGS (V) 10 VGSTH typ (V) 1.2 ID - silicon limited at Tc=25degC (A) 60 ID - package limited (A) 60 Logic level Yes
  • Optimized for 5 V Gate Drive
  • Ultra-Low Qg and Qgd
  • Low Thermal Resistance
  • Avalanche Rated
  • Pb Free Terminal Plating
  • RoHS Compliant
  • Halogen Free
  • SON 3.3 mm × 3.3 mm Plastic Package
  • APPLICATIONS
    • Notebook Point of Load
    • Point of Load Synchronous Buck in
      Networking, Telecom, and Computing
      Systems

NexFET Is a trademark of Texas Instruments

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

NexFET Is a trademark of Texas Instruments

This 30 V, 4.2 mΩ NexFET™ power MOSFET is designed to minimize losses in power conversion applications and optimized for 5 V gate drive applications.

This 30 V, 4.2 mΩ NexFET™ power MOSFET is designed to minimize losses in power conversion applications and optimized for 5 V gate drive applications.

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CSD17577Q3A ACTIVE 30-V, N channel NexFET™ power MOSFET, single SON 3 mm x 3 mm, 6.4 mOhm This product has similar resistance and a lower price.

Technical documentation

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Type Title Date
* Data sheet CSD17309Q3 30-V N-Channel NexFET Power MOSFET datasheet (Rev. B) 09 Sep 2011
Technical article Understanding the benefits of “lead-free” power MOSFETs 08 Feb 2019
Application note QFN and SON PCB Attachment (Rev. B) 24 Aug 2018
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Technical article When and how to supply an external bias for buck controllers – part 1 21 Dec 2017
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.

Evaluation board

DLPDLCR4710EVM-G2 — Full HD DLP4710 Chipset Evaluation Module

DLP® LightCrafter Display 4710 EVM-G2 is an easy to use, plug and play evaluation platform for the Full HD DLP4710 chipset. The DLP4710 chipset is designed to be used in a wide array of display applications like mobile projectors, screenless TVs, interactive displays and digital signage. The (...)
Evaluation board

TPS65982-EVM — TPS65982 USB Type-C™ & USB PD controller power switch & high speed multiplexer EVM

This EVM was developed prior to the USB Power Delivery Specification change back in March 2016 and therefore does not have the native hardware to support the 5, 9, 15 and 20V rails. In order to follow the new source power rules please refer to TPS65982 Designs for Supporting Voltages in USB-PD (...)

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Limit: 5
Support software

Power Loss Calculation Tool for Load Switch

SLPC019.ZIP (338 KB)
Simulation model

CSD17309Q3 TINA-TI Spice Model

SLPM292.ZIP (9 KB) - TINA-TI Spice Model
Simulation model

CSD17309Q3 TINA-TI Reference Design

SLPM293.TSC (1193 KB) - TINA-TI Reference Design
Simulation model

CSD17309Q3 Unencrypted PSpice Model (Rev. B)

SLPM294B.ZIP (4 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

MOSFET power loss calculator for synchronous buck converter applications
Reference designs

TIDA-00714 — USB Type-C & USB PD Controller Power Switch & High Speed Multiplexer Reference Design

This reference design is for USB Type-C® and power delivery applications. It allows you to develop various power profiles and alternate modes such as DisplayPort and debug existing USB Type-C and power delivery systems.
Reference designs

TIDA-01226 — Compact Full HD 1080p (up to 16 Amps) Projection Display Reference Design Using DLP Pico Technology

This reference design, featuring the DLP Pico™ 0.47-inch TRP Full-HD 1080p display chipset and implemented in the DLP LightCrafter Display 4710 G2 evaluation module (EVM), enables use of full HD resolution for projection display applications such as accessory projectors, screenless displays, (...)
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 (...)
Reference designs

TIDA-00565 — USB Type-C Audio Adapter Accessory Mode Reference Design

The USB Type-C™ audio adapter accessory mode reference design provides the solution for transmitting analog audio through the USB Type-C interface.  This reference design demonstrates how analog audio can be transmitted to system peripherals using the USB Type-C standard audio adapter (...)
Reference designs

PMP9372 — Single Phase 60W Audio Amplifier Reference Design

PMP9372 is a single-phase synchronous boost converter, which utilizes the LM5121 controller. Inrush limiting is set to 11A nominal, which allows startup into a 4700μF output capacitor. The TPS3700DDC is used as an output voltage monitor, which provides Power Good signaling of output over-voltage (...)
Reference designs

TIDA-00630 — TI USB Type-C Dock Reference Design

The Type-C Dock Board is designed to help evaluate Type-C Dock implementations with video and charging support.  The Type-C Dock offers data and video port expansion and a charging capability for Type-C systems that support USB PD/Alternate mode protocol.  The dock comes with three (...)
Reference designs

PMP9108 — 36V-75Vdc Input, 5V/50W 1/8 Brick Active Clamp Forward Reference Design

This reference design generates a 5V/10A output from a standard telecom 48V DC input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD17309Q3 and CSD18540Q5B, implemented as self-driven synchronous rectifiers, allow this design to (...)
Reference designs

PMP4392 — 48Vin 5V3A Isolated Power Module with PCB Transformer Winding Reference Design

This reference design demonstrates a high effeiciency DC power module solution, which converts 36V-72V input voltatge to an isolated 5V@3A. The full featured PWM controller LM5020 and S.R controller UCC24610 are used in the solution and achieve high efficiency up to 87.4% at full load 48Vin. The (...)
Reference designs

PMP4395 — 18 to 36Vin High Efficiency 3.3V15W i\Isolated DC Power Module with SR Reference Design

This reference design demostrates a high effeiciency DC power module solution that converts 18V-36V input to isolated 3.3V4.5A. Full feature PWM controller LM5020 and S.R controller UCC24610 are used in the solution to achieve high efficiency of up to 92.4%@full load. The overall size is (...)
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