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Product details

Parameters

VGS (V) 10 VDS (V) 30 Power loss (W) 2.8 Ploss current (A) 25 ID, continuous drain current at Ta=25degC (A) 45 Operating temperature range (C) -55 to 150 Features Power supply Duty cycle (Typ) (%) 10 open-in-new Find other Power blocks

Features

  • Half-Bridge Power Block
  • 92.5% System Efficiency at 25 A
  • Up to 45-A Operation
  • High-Frequency Operation (Up to 1.5 MHz)
  • High-Density SON 5-mm × 6-mm Footprint
  • Optimized for 5-V Gate Drive
  • Low Switching Losses
  • Ultralow Inductance Package
  • RoHS Compliant
  • Halogen Free
  • Pb-Free Terminal Plating

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Description

The CSD87355Q5D NexFET™ power block is an optimized design for synchronous buck applications offering high-current, high-efficiency, and high-frequency capability in a small 5-mm × 6-mm outline. Optimized for 5-V gate drive applications, this product offers a flexible solution capable of offering a high-density power supply when paired with any 5-V gate drive from an external controller/driver.

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Technical documentation

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Type Title Date
* Datasheet CSD87355Q5D Synchronous Buck NexFET Power Block datasheet (Rev. A) Sep. 19, 2017
Technical articles How to choose the right power MOSFET or power block package for your application Oct. 29, 2019
Technical articles Discrete FETs vs. power blocks - how to choose the right SOA for your design Jun. 06, 2019
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 CSD87355Q5DEVM-820 User's Guide Jun. 06, 2017
Technical articles The flexibility of advanced controllers and NexFET™ Power Blocks in high-power POL applications Feb. 03, 2017
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.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
$79.00
Description
The CSD87355Q5DEVM-820 evaluation module (EVM) is a synchronous buck converter featuring TI's NexFET PowerBlock technology to provide a high current, ultra-high density power supply solution. The EVM provides a 1.2V output at 25A from a 12V input bus at over 92% efficiency.
Features
  • High efficiency at light load
  • Synchronous rectification
  • D-CAP mode with 100nS load step response
  • Adaptive on time control with 4 selectable frequency settings

Design tools & simulation

SIMULATION MODELS Download
SLPM174A.ZIP (3 KB) - PSpice 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
  • (...)

Reference designs

REFERENCE DESIGNS Download
Envelope-tracking power supply reference design for mid-power audio power amplifier application
TIDA-050024 — This reference design delivers an envelope-tracking power supply circuit for mid-power audio power amplifier (PA) application with TPS43061 boost controller. By adding an audio envelope signal to the FB pin, the boost converter’s output voltage can change in accordance with the envelope of the (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
(DQY) 8 View options

Ordering & quality

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