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Product details

Parameters

VGS (V) 10 VDS (V) 30 Power loss (W) 3 Ploss current (A) 25 ID - continuous drain current at Ta=25degC (A) 40 Operating temperature range (C) -55 to 150 Features Power supply Duty cycle (%) Low open-in-new Find other Power blocks

Features

  • Half-Bridge Power Block
  • 90% system Efficiency at 25 A
  • Up to 40-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
  • Ultra-Low-Inductance Package
  • RoHS Compliant
  • Halogen Free
  • Lead-Free Terminal Plating
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Description

The CSD87350Q5D 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 or driver.

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Technical documentation

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Type Title Date
* Datasheet CSD87350Q5D Synchronous Buck NexFET Power Block datasheet (Rev. E) Mar. 09, 2017
Technical article How to choose the right power MOSFET or power block package for your application Oct. 29, 2019
Technical article Discrete FETs vs. power blocks - how to choose the right SOA for your design Jun. 06, 2019
Technical article Understanding the benefits of “lead-free” power MOSFETs Feb. 08, 2019
Application note QFN and SON PCB Attachment (Rev. B) Aug. 24, 2018
Selection guide Power Management Guide 2018 (Rev. R) Jun. 25, 2018
Technical article When and how to supply an external bias for buck controllers – part 1 Dec. 21, 2017
Application note Controlling switch-node ringing in synchronous buck converters Apr. 26, 2012
Application note Ringing Reduction Techniques for NexFET High Performance MOSFETs Nov. 16, 2011
Application note PowerStack™ Packaging Technology Overview Jul. 18, 2011

Design & development

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

Hardware development

EVALUATION BOARD Download
TPS53819A Evaluation Module
TPS53819AEVM-123
document-generic User guide
99
Description
The Texas Instruments TPS53819AEVM-123 evaluation module (EVM) helps designers evaluate the performance of the TPS53819A High Performance, Single Synchronous Step-Down Controller with PMBus. If a designer wants to communicate with this EVM from a Windows-based PC, a separate USB Interface Adapter (...)
Features
  • Conversion Input Voltage Range: 3 V to 28 V
  • Output Voltage Range: 0.6 V to 5.5 V
  • DCAP2 Mode with 100-ns Load Step Response
  • Adaptive On-Time Control with Eight Selectable Frequencies via PMBus
  • Programmable Soft-Start Time, Power-On Delay, VDD UVLO Level, Power Good Output Delay via PMBus
  • Internal (...)

Design tools & simulation

SIMULATION MODEL Download
SLPM021A.ZIP (4 KB) - PSpice Model
CALCULATION TOOL Download
MOSFET power loss calculator for synchronous buck converter applications
SYNC-BUCK-FET-LOSS-CALC — MOSFET power loss calculator for synchronous buck converter applications
Features
  • Calculates power loss for TI MOSFETs

Reference designs

Many TI reference designs include the CSD87350Q5D Use our reference design selection tool to review and identify designs that best match your application and parameters.

CAD/CAE symbols

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Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

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Support & training

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