Product details

VDS (V) 25 Configuration Single Rds(on) max at VGS=4.5 V (mOhms) 2.2 IDM - pulsed drain current (Max) (A) 200 QG typ (nC) 18 QGD typ (nC) 3.5 Package (mm) SON5x6 VGS (V) 10 VGSTH typ (V) 1.1 ID - silicon limited at Tc=25degC (A) 33 ID - package limited (A) 100 Logic level Yes
VDS (V) 25 Configuration Single Rds(on) max at VGS=4.5 V (mOhms) 2.2 IDM - pulsed drain current (Max) (A) 200 QG typ (nC) 18 QGD typ (nC) 3.5 Package (mm) SON5x6 VGS (V) 10 VGSTH typ (V) 1.1 ID - silicon limited at Tc=25degC (A) 33 ID - package limited (A) 100 Logic level Yes
VSON-CLIP (DQH) 8 30 mm² 5 x 6
  • Optimized for 5V Gate Drive
  • 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

NexFET is a trademark of Texas Instruments.

  • Optimized for 5V Gate Drive
  • 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

NexFET is a trademark of Texas Instruments.

The NexFET™ power MOSFET has been designed to minimize losses in power conversion applications and optimized for 5V gate drive applications.

The NexFET™ power MOSFET has been designed to minimize losses in power conversion applications and optimized for 5V gate drive applications.

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Pin-for-pin with same functionality to the compared device.
CSD17573Q5B ACTIVE 30-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 1.45 mOhm This product has lower resistance and a lower price.

Technical documentation

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Type Title Date
* Data sheet N-Channel NexFET, Power MOSFETs datasheet (Rev. C) 29 Apr 2010
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 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.

Support software

Power Loss Calculation Tool for Load Switch

SLPC019.ZIP (338 KB)
Simulation model

CSD16325Q5 TINA-TI Spice Model

SLIM144.TSM (7 KB) - TINA-TI Spice Model
Simulation model

CSD16325Q5 Unencrypted PSpice Model (Rev. B)

SLLM101B.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™ selection (...)
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

PMP20490 — High-Density 12Vin, 1.2Vout, 60A POL Reference Design with Stacked TPS546C20A PMBus DCDC Converters

The TPS546C23 provides a single IC for both control & the synchronous power stage for high current DC/DC applications and allows doubling of the current capability with use of two of the same part.  Multi-phase also allows output ripple cancellation and effective higher bandwidth control (...)
Reference designs

TIDA-00381 — 360W Phase Shift Full Bridge Resonant LLC with High Side Low Side Driver Reference Design

The power supply employs Full Bridge Resonant LLC with phase shift operating at ramp up, light load, low output voltage. This operating mode can replace PWM operating mode in LLC, which can improve efficiency signficantly in light load.
Reference designs

PMP7208 — 5V In 33W Univ 4-Bit VID I/F AVS Pwr Supply for TCI6636K2H/6638K2H Reference Design

This reference design aims to supply the AVS core supply for Kepler DSPs like the C6638. The C66x series uses SmartReflex technology to enable the DSP to control its supply voltage. In order to meet this requirement, this design combines the TPS40303 Synchronous PWM Buck Controller with external (...)
Reference designs

PMP6912 — 36Vdc-72Vdc Input, 1.2V/25A Active Clamp Forward

This reference design generates a 1.2V/25A output from a standard 48V telecom input. The UCC2897A controls an active clamp forward converter power stage. The low gate thresholds of the CSD16401Q5 and CSD16325Q5 allow these devices to be used as self-driven synchronous rectifiers for a highly (...)
Reference designs

PMP6845 — 5V input; 6 Phase High Efficiency Synchronous Buck; 0.9V 120A output

The PMP6845 reference design uses three TPS40140's to control 6 Synchronous Buck Phases. Main switch pair for each phase is the dual CSD86350Q5D. The optional added CSD16325Q5 for the low side enhances efficiency, especially at full load. Efficiency is 87.5% at full load and over 90% for loads from (...)
Reference designs

PMP5575 — Uses TPS40303 to generate 1.1V@30A output

High current, up to 30Amax core power supply to power DSPs, ASICs or similar out of a 5V bus, single phase w/ TPS40303
Package Pins Download
VSON-CLIP (DQH) 8 View options

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  • Ongoing reliability monitoring

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