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Product details

Parameters

VDS (V) 40 Configuration Single Rds(on) max at VGS=4.5 V (mOhms) 6.2 Rds(on) max at VGS=10 V (mOhms) 4.3 IDM, max pulsed drain current (Max) (A) 400 QG typ (nC) 26 QGD typ (nC) 4.3 Package (mm) SON5x6 VGS (V) 20 VGSTH typ (V) 1.8 ID, silicon limited at Tc=25degC (A) 120 ID, package limited (A) 100 Logic level Yes open-in-new Find other N-channel MOSFET transistors

Features

  • Ultra-Low Qg and Qgd
  • Low Thermal Resistance
  • Avalanche Rated
  • Logic Level
  • Pb Free Terminal Plating
  • RoHS Compliant
  • Halogen Free
  • SON 5 mm × 6 mm Plastic Package
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Description

This 40 V, 3.4 mΩ, 5 × 6 mm SON NexFET power MOSFET is designed to minimize losses in power conversion applications.

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Same functionality and pinout but is not an equivalent to the compared device:
CSD18513Q5A ACTIVE 40V, N ch NexFET MOSFET™, single SON5x6, 3.4mOhm This product has lower resistance and a lower price.

Technical documentation

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Type Title Date
* Datasheet CSD18503Q5A 40 V N-Channel NexFET Power MOSFET datasheet (Rev. C) Jun. 04, 2015
Technical articles Understanding the benefits of “lead-free” power MOSFETs Feb. 07, 2019
Application notes QFN and SON PCB Attachment (Rev. B) Aug. 24, 2018
Technical articles When to use load switches in place of discrete MOSFETs Feb. 03, 2016
Technical articles 48V systems: Driving power MOSFETs efficiently and robustly Oct. 08, 2015
Application notes Ringing Reduction Techniques for NexFET High Performance MOSFETs Nov. 16, 2011

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Software development

SUPPORT SOFTWARE Download
SLPC019.ZIP (338 KB)

Design tools & simulation

SIMULATION MODELS Download
SLPM041A.ZIP (4 KB) - PSpice Model
SIMULATION MODELS Download
SLPM087.TSM (16 KB) - TINA-TI Spice Model
CALCULATION TOOLS Download
Buck Converter NexFET™ Selection Tool
FETPWRCALC — This tool is designed to assist engineers in the selection of Texas Instruments’ discrete power MOSFET and Power Block devices for their synchronous buck design. Users can input the conditions for their power supply and compare various discrete and power block solutions by power loss, relative (...)
Features
  • Vary power supply conditions and observe TI’s most efficient solutions for any set of input parameters
  • Select from a pre-established list of TI controllers or enter your own custom IC
  • Rank solutions by effective power loss and compare by relative 1k price, device package, and total PCB footprint
  • (...)
CALCULATION TOOLS Download
Power loss calculation tool for non-synchronous boost converter
NONSYNC-BOOST-FET-LOSS-CALC — MOSFET power loss calculator for non-synchronous boost converter
Features
  • Calculates power loss for TI MOSFETs
CALCULATION TOOLS Download
SLPC015.ZIP (66 KB)

Reference designs

REFERENCE DESIGNS Download
100-VAC to 130-VAC input, 5-Vout, 6-A CCM flyback reference design
PMP22006 — This isolated continuous conduction mode (CCM) flyback reference design outputs 5 V at 6 A. The input is US line only (100 VAC-130 VAC).
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
20W SEPIC Converter for Digital Camera Reference Design
PMP20193 — The PMP20193 reference design is a SEPIC converter that operates from 6.5V - 16Vin and supplies 10V@2A out (20W).  This low cost compact design operates at 600KHz with greater than 91% full load efficiency (Vin = 12V).  
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
21W SEPIC Converter for Digital Camera Reference Design
PMP20175 — The PMP20175 reference design is a SEPIC converter that operates from 6.5V - 16Vin and supplies 7V@3A out (21W).  This low cost compact design operates at 600KHz with greater than 90.5% full load efficiency (Vin = 12V).  
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
High Efficiency 36-60V Input Isolated Synchronous Flyback Reference Design
PMP20129 — PMP20129 is an isolated synchronous flyback converter with a 3.3V/5A output.  The 36-60V input range is suitable for most telecom and Power over Ethernet (PoE) applications that require high efficiency.
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
24V Input Voltage Two Phase Synchronous Buck Converter (12V@20A) Reference Design
PMP20021 — This two phase synchronous buck converter allows smaller components with better distributed thermal performance than an equivalent single phase design. It achieves high efficiency, uses small inductors and easily fits in a small PCB area of 70mm x 70mm.
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
12W SEPIC Power Supply Reference Design for Industrial Applications
TIDA-00781 The TIDA-00781 is a 12W SEPIC power supply reference design for industrial applications. It takes 12V nominal input voltage, and generates a 12V @ 1A output with 92% peak efficiency. The SEPIC converter topology allows voltage step-up and step-down conversion. The design covers a wide input range of (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Reference Design - High Efficiency Two-Phase Synchronous Buck Delivers 300W
PMP9700 This two-phase synchronous buck operates from 24VDC and supplies an output of 15V@20A. Operation at 300KHz (per phase) delivers small size and greater than 96% efficiency.
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Non-Standard PoE (>25.5W) - High Efficiency Forward Converter (5V@10A) Reference Design
PMP8923 This converter provides a high power PoE output of 5V/10A. The TPS2379 PD controller allows the use of an external hot swap FET for increased efficiency. The UCC2897A PWM controller is used to implement a high efficiency active clamp forward converter.
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Automotive USB Charger with Linear Droop Compensation Reference Design
TIDA-00160 The TIDA-00160 reference design provides detailed data for evaluating and verifying a USB charger, which uses a USB charge controller, a buck controller and a shunt amplifier.

This design demonstrates an automotive USB charging port that offers short-to-battery protection. With the help of the shunt (...)

document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Cranking Simulator Reference Design for Automotive Applications
PMP7233 This design is a cranking simulator which generates three different cranking pulses to test automotive systems up to 50W. A microcontroller sets the output voltage of a synchronous buck in the range of 2-15V accordingly to the programmed curves. Output current is in the range of 3.3-25A. It is a (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
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