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Product details

Parameters

VDS (V) 40 Configuration Single Rds(on) max at VGS=4.5 V (mOhms) 3.3 Rds(on) max at VGS=10 V (mOhms) 2.3 IDM, max pulsed drain current (Max) (A) 400 QG typ (nC) 52 QGD typ (nC) 8.4 Package (mm) SON5x6 VGS (V) 20 VGSTH typ (V) 1.8 ID, silicon limited at Tc=25degC (A) 204 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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open-in-new Find other N-channel MOSFET transistors

Description

This 40-V, 1.8-mΩ, 5 mm × 6 mm NexFET™ power MOSFET is designed to minimize losses in power conversion applications.

open-in-new Find other N-channel MOSFET transistors
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Same functionality and pinout but is not an equivalent to the compared device:
CSD18512Q5B ACTIVE 40V, N ch NexFET MOSFET™, single SON5x6, 1.6mOhm This product has lower resistance and a lower price.

Technical documentation

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Type Title Date
* Datasheet CSD18502Q5B 40 V N-Channel NexFET™ Power MOSFET datasheet (Rev. B) May 18, 2017
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
User guides 18-V/400-W 98% Efficient Compact Brushless DC Motor Drive Design Guide Aug. 23, 2016
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
Selection guides Wide VIN DC/DC power solutions: industrial, automotive, and comms applications Jun. 06, 2014
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
SLPM055A.ZIP (4 KB) - PSpice Model
SIMULATION MODELS Download
SLPM086.TSM (17 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
Solar MPPT Charge Controller Reference Design
TIDA-00120 This design is a 20A Maximum Power Point Tracking (MPPT) solar charge controller created for solar panel inputs corresponding to 12V and 24V panels. The design is targeted for small and medium power solar charger solutions and is capable of operating with 12V/24V panels and 12V/24V batteries up to (...)
document-generic Schematic document-generic User guide
Design files
REFERENCE DESIGNS Download
24Vin, 5V6A Power Module Reference Design
PMP40274 — PMP40274 is a power module reference design solution for power train applications. The module enables a high efficiency with flyback-CCM synchronous rectifier. The efficiency is >88% at full load. This design features <0.2W standby power. Integrated input UVLO, OVP and output OVP, OCP improves (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Bi-Directional Battery Initialization System Power Board Reference Design
PMP40182 — This reference design is a battery initialization reference design solution for automotive and battery applications. The module enables a high efficiency single stage conversion for charging and discharging the battery. This design features a 0.1% accurate current control loop using the high (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
High Efficiency Universal AC Input to 5V 2A Adapter Reference Design
PMP11600 — The PMP11600 is a reference design for 5V 2A adapter applications. The solution implements a high efficiency primary side controller UCC28704, it is fully tested and passes conduction EMI. This design uses Volt-Second balance control synchronous rectifier UCC24636 for high efficiency. The board (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
18-V/400-W 98% Efficient Compact Brushless DC Motor Drive w/Stall Current Limit Reference Design
TIDA-00772 — The TIDA-00772 is a 18 A RMS drive for a three phase brushless DC (BLDC) motor in power tools operating from a 5-cell Li-ion battery with a voltage up to 21 V. This design is a 45 x 50 mm compact drive implementing sensor-based trapezoidal control. The design uses a discrete, compact MOSFET-based (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
18Vdc-60Vdc Input, 3.3V/15A Active Clamp Forward, 1/8 Brick Reference Design
PMP8973 The PMP8973 reference design generates a 3.3V/15A output from an 18V to 60V telecom input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD16415Q5 and CSD18502Q5B, implemented as synchronous rectifiers, provides for a highly efficient (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
18V-36Vdc Input, 5V/30W Active Clamp Forward - Reference Design
PMP4468 The PMP4468 is a DC-DC isolated module reference design targeted for industrial and telecom applications. The DC input range is 18V-36V, with 24V typical and the output is 5V/6A. An active clamp forward controller LM5025A is used in the design. The efficiency is up to 90% with good thermal (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Universal AC Input 15W Adapter with Energy Star 6 Efficiency Rating Reference Design
PMP4390 This 5V / 3A adapter solution is fully tested and passes EMI and EMC (CE,RE) safety requirements. It implements a high efficiency primary side controller UCC28713 and synchronous rectifier UCC24610 pair. The efficiency of the design complies with Energy Star 6 and is designed to fit into small form (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
36 to 75VDC Input 5V/15A Active Clamp Forward 1/8 Brick Form Factor Reference Design
PMP9126 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 design (...)
document-generic Schematic document-generic User guide
REFERENCE DESIGNS Download
Active Clamp Forward Quarter Brick (18 to 60Vdc Input 3.3V/12A) Reference Design
PMP8790 — 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 efficient (...)

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