Product details

VDS (V) 30 Configuration Single Rds(on) max at VGS=4.5 V (mOhms) 3.7 Rds(on) max at VGS=10 V (mOhms) 2.9 IDM - pulsed drain current (Max) (A) 187 QG typ (nC) 13.2 QGD typ (nC) 3.5 Package (mm) SON5x6 VGS (V) 20 VGSTH typ (V) 1.3 ID - silicon limited at Tc=25degC (A) 100 ID - package limited (A) 100 Logic level Yes
VDS (V) 30 Configuration Single Rds(on) max at VGS=4.5 V (mOhms) 3.7 Rds(on) max at VGS=10 V (mOhms) 2.9 IDM - pulsed drain current (Max) (A) 187 QG typ (nC) 13.2 QGD typ (nC) 3.5 Package (mm) SON5x6 VGS (V) 20 VGSTH typ (V) 1.3 ID - silicon limited at Tc=25degC (A) 100 ID - package limited (A) 100 Logic level Yes
  • Ultralow Qg and Qgd
  • Low Thermal Resistance
  • Avalanche Rated
  • Pb Free Terminal Plating
  • RoHS Compliant
  • Halogen Free
  • SON 5-mm × 6-mm Plastic Package
  • APPLICATIONS
    • Point-of-Load Synchronous Buck in Networking, Telecom,
      and Computing Systems
    • Optimized for Synchronous FET Applications

  • Ultralow Qg and Qgd
  • Low Thermal Resistance
  • Avalanche Rated
  • Pb Free Terminal Plating
  • RoHS Compliant
  • Halogen Free
  • SON 5-mm × 6-mm Plastic Package
  • APPLICATIONS
    • Point-of-Load Synchronous Buck in Networking, Telecom,
      and Computing Systems
    • Optimized for Synchronous FET Applications

The NexFET power MOSFET has been designed to minimize losses in power conversion applications.

The NexFET power MOSFET has been designed to minimize losses in power conversion applications.

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CSD17581Q5A ACTIVE 30-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 4.2 mOhm TI recommends that customers consider the CSD17581Q5A instead as it is similar resistance and lower price

Technical documentation

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Type Title Date
* Data sheet 30-V, N-Channel NexFET™ Power MOSFETs - CSD17501Q5A datasheet (Rev. B) 05 Sep 2012
Technical article Understanding the benefits of “lead-free” power MOSFETs 08 Feb 2019
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
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

TPS23754EVM-420 — 20-57V Vin, 5V Vout High Power Evaluation Module for TPS23754

TPS23754EVM-420 contains evaluation and reference circuitry for the TPS23754, which is a Class 4 (25.5 W) PoE PD + PWM Controller. The TPS23754 is targeted at wide Vin aplications (24 V - 60 V) in isolated converter topologies and is compliant with the IEEE 802.3at Power over Ethernet (PoE) (...)

In stock
Limit: 5
Evaluation board

TPS2412EVM — TPS2412 Evaluation Module

The TPS2412EVM is an evaluation module set up to wire-OR two power supplies for redundant power to a load using two TPS2412s and MOSFETs.

In stock
Limit: 5
Evaluation board

TPS2413EVM — TPS2413 Evaluation Module

The TPS2413EVM is an evaluation module set up to wire-OR two power supplies for redundant power to a load using two TPS2413s and MOSFETs.

Out of stock on TI.com
Support software

Power Loss Calculation Tool for Load Switch

SLPC019.ZIP (338 KB)
Simulation model

CSD17501Q5A Unencrypted PSpice Model (Rev. A)

SLPM016A.ZIP (3 KB) - PSpice Model
Simulation model

CSD17501Q5A TINA-TI Spice Model

SLPM203.ZIP (4 KB) - TINA-TI Spice 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-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

PMP10288 — Class 4 PoE High Efficiency Active Clamp Forward Converter (3.3V) Reference Design

The PMP10288 reference design is a Power Over Ethernet (POE) active clamp forward converter. It features the TPS23754, which is a combination of a POE Powered Device (PD) controller and PWM controller. CSD17501Q5A FETs are used for high efficiency synchronous rectification. The input accepts (...)
Reference designs

TIDA-00122 — Automotive 200-VA High Frequency Inverter Design

This design presents a low-cost, small size, robust 200-VA DC to AC inverter based on TI’s MSP430 and UCD8220-digitally managed push-pull controller. It is targetted towards car inverters and small-segment inverters for commercial applications. In this design, UCD8220 is used for a boost (...)
Reference designs

PMP9126 — 36 to 75VDC Input 5V/15A Active Clamp Forward 1/8 Brick Form Factor Reference Design

This reference design generates a 5V/15A output from a 36V to 75V telecom input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD17501Q5A and CSD18502Q5B, implemented as a synchronous rectifiers, provides for a highly efficient (...)
Reference designs

PMP8790 — Active Clamp Forward Quarter Brick (18 to 60Vdc Input 3.3V/12A) Reference Design

This reference design generates a 3.3V/12A output from a wide 18V-60V telecom input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD17501Q5A and CSD18502Q5B, implemented as self-driven synchronous rectifiers, provide for an (...)
Reference designs

PMP7413 — 220V-400VDC Input, 5V/100W Active Clamp Forward Reference Design

This reference design generates an isolated 5V/100W output from a high voltage DC input. This design is intended to operate from the output of a PFC front end regulator. The UCC2897A is used to control an active clamp forward converter. Self-driven synchronous rectifiers allow for 91% efficiency. (...)
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