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CSD19538Q3A

ACTIVE

100-V, N channel NexFET™ power MOSFET, single SON 3 mm x 3 mm, 61 mOhm

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Data sheet

CSD19538Q3A

ACTIVE
Data sheet Order now

Product details

VDS (V) 100 Configuration Single Rds(on) max at VGS=10 V (mOhms) 61 IDM - pulsed drain current (Max) (A) 36 QG typ (nC) 4.3 QGD typ (nC) 0.8 QGS typ (nC) 1.6 Package (mm) SON3x3 VGS (V) 20 VGSTH typ (V) 3.2 ID - silicon limited at Tc=25degC (A) 13.7 ID - package limited (A) 15 Logic level No
VDS (V) 100 Configuration Single Rds(on) max at VGS=10 V (mOhms) 61 IDM - pulsed drain current (Max) (A) 36 QG typ (nC) 4.3 QGD typ (nC) 0.8 QGS typ (nC) 1.6 Package (mm) SON3x3 VGS (V) 20 VGSTH typ (V) 3.2 ID - silicon limited at Tc=25degC (A) 13.7 ID - package limited (A) 15 Logic level No
  • Ultra-Low Qg and Qgd
  • Low-Thermal Resistance
  • Avalanche Rated
  • Lead Free
  • RoHS Compliant
  • Halogen Free
  • SON 3.3-mm × 3.3-mm Plastic Package
  • Ultra-Low Qg and Qgd
  • Low-Thermal Resistance
  • Avalanche Rated
  • Lead Free
  • RoHS Compliant
  • Halogen Free
  • SON 3.3-mm × 3.3-mm Plastic Package

This 100-V, 49-mΩ, SON 3.3-mm × 3.3-mm NexFET™ power MOSFET is designed to minimize conduction losses and reduce board footprint in PoE applications.

This 100-V, 49-mΩ, SON 3.3-mm × 3.3-mm NexFET™ power MOSFET is designed to minimize conduction losses and reduce board footprint in PoE applications.
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CSD19538Q2 ACTIVE 100-V, N channel NexFET™ power MOSFET, single SON 2 mm x 2 mm, 59 mOhm Same resistance

Technical documentation

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Type Title Date
* Data sheet CSD19538Q3A 100-V N-Channel NexFET™ Power MOSFET datasheet (Rev. A) PDF | HTML 20 Mar 2017
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
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.

Support software

Power Loss Calculation Tool for Load Switch (Rev. A)

SLPC019A.ZIP (375 KB)
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Simulation model

CSD19538Q3A Unencrypted PSpice Model (Rev. A)

SLPM184A.ZIP (5 KB) - PSpice Model
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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.
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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
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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.
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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.
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Calculation tool

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

MOSFET power loss calculator for synchronous rectifier applications
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Calculation tool

Power Loss Calculation Tool for Synchronous Inverting Buck Boost Converter

SLPR053.ZIP (909 KB)
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Reference designs

PMP20859 — Dual-input redundant PoE PD with smooth transition reference design

This reference design implements an IEEE802.3bt (draft) Power over Ethernet (PoE) Powered Device (PD) with dual redundant inputs and a smooth transition between these inputs and an auxiliary input.  The design consists of a 5V/6A synchronous flyback converter and allows for up to three (...)
Schematic: PDF
Reference designs

TIDA-01426 — Reference Design for Line AC Voltage Generation From Low-Voltage DC Source for Sensor Excitation

This reference design demonstrates a method for designers to achieve high-voltage signals that can be used for flame detection using discrete components. The reference design is built with low BOM-cost and small solution size in mind. By using push-pull converter topology, it is possible to achieve (...)
Schematic: PDF
Reference designs

PMP20588 — Fully Autonomous Single Port Type 2 (30W) PoE PSE Reference Design

The PMP20588 reference design utilizes the TPS23861 PSE controller to implement a single port Type 2 PoE PSE.  An isolated flyback converter, utilizing the LM5022 current mode PWM controller, accepts a 12Vdc/24Vac input and provides a 55Vdc/600mA output source for the PSE.  It is ideally (...)
Schematic: PDF
Reference designs

TIDA-01227 — High Voltage Stepper Driver Reference Design

The TIDA-01227 reference design is a 15 V to 70 V stepper motor controller for bipolar applications. The design uses Texas Instrument’s DRV8711 Bipolar Stepper Motor Controller gate driver, CSD19538Q3A 100V, N-Channel NexFET Power MOSFET s, CSD17483F4 30V, N-Channel FemtoFET™ (...)
Schematic: PDF
Reference designs

PMP20183 — 9V-15V Input Voltage Boost Converter (200V@10mA) Reference Design

This boost converter implements a voltage tripler which allows a high input-to-output boost ratio. This design is low cost and requires an area of less than 25mm x 25mm.
Schematic: PDF
Reference designs

PMP20430 — 10V to 32Vin 25Vout at 1A Factory Automation I/O Module Reference Design

PMP20430 is a 4-switch buck-boost controller utilizing the LM5175 for industrial applications. This design has a minimum operating input voltage of 10V and a maximum input voltage of 32V, supports 25Vout @ 1A.  Switching frequency is set to 600kHz, during buck-boost mode, switching frequency (...)
Schematic: PDF
Reference designs

PMP12072 — Isolated 24VAC/DC Solid-State Relay Reference Design

This isolated, bi-directional, solid-state switch can control current flow into both AC and DC loads. Rated for 24VAC, it can switch loads up to approximately 1Arms/4Apeak.
Schematic: PDF
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