TIDA-00513

Parallel Load Switches for Higher Output Current & Reduced ON-Resistance Reference Design

TIDA-00513

Design files

Overview

The TIDA-00513 demonstrates two examples of paralleling load switches. The functionality of existing load switches can be expanded by placing multiple channels in a parallel configuration.
The first uses both channels of the dual channel TPS22966 for a total output current of 10A.
The second uses three TPS22959 in parallel for a total output current of 30A.

Features
  • Increased Maximum Output Current
  • Reduced Total ON-Resistance (RON)
  • Faster Output Rise Time
  • Lower Power Dissipation
  • Reduced Quick Output Discharge  (QOD) Resistance
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDU859.PDF (2133 K)

Reference design overview and verified performance test data

TIDRDU1.PDF (312 K)

Detailed schematic diagram for design layout and components

TIDRDU2.PDF (79 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRDU3.PDF (138 K)

Detailed overview of design layout for component placement

TIDRDU5.ZIP (453 K)

Files used for 3D models or 2D drawings of IC components

TIDCA15.ZIP (397 K)

Design file that contains information on physical board layer of design PCB

TIDRDU4.PDF (735 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Load switches

TPS229595.5-V, 15-A, 4.4-mΩ load switch with output discharge

Data sheet: PDF | HTML
Load switches

TPS229662-ch, 5.5-V, 6-A, 16-mΩ, load switch with adj. rise time and output discharge

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
Design guide Parallel Load Switches for Higher Output Current and Reduced ON-Resistance Mar. 23, 2015

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