LTpowerPlanner III Quick Start Guide Datasheet by Analog Devices Inc.

Linear Technology Corporation Copyright.

LTpowerPlanner III System-Level

Design Tool Quick Start Guide

Ver. 3.0.0

January 2016

Design Tool Development Team

Applications Engineering

Power Products, Linear Technology Corp.

LTpowerCAD@linear.com

Last Update: 1/2016

www.|inear.com/Itgowercad L7LELUN§AB

LTpowerPlanner III Design Tool Quick Start Guide 1/2016

LTpowerPlannerTM

Create a “Power Tree” diagram of your Power Management System

Estimate Total System Power, Efficiency and Solution Size

Compare different system architectures for optimum solution

Display and Copy Block Diagram for System Presentation

Save and Load System Design Files for Project Organization

Interface with LTspiceTM Simulation file

Interface with LTpowerCADTM Design Tool file

Available in LTpowerCAD Toolbox, free download at

www.linear.com/ltpowercad

Offline program on PC with Windows 7, 8 or 10.

A System-Level Power Architecture Planning Tool:

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

LTpowerPlannerTM

Located inside the LTpowerCAD “LTC Toolbox”:

•Both LTpowerPlanner III and LTpowerPlanner II programs are listed.

•The previous LTpowerPlanner II program is NOT recommended for new designs.

•LTpowerCAD program is available at www.linear.com/LTpowerCAD

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Intuitive Power System Planning

Create System “Power

Tree” Design / Calculation

Interface With

LTpowerCADTM

Design Tool

Interface With

LTspiceTM

Simulation Tool

Save Design

LTpowerPlannerTM

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

A Simple Design Example

LTpowerPlannerTM

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

LTpowerPlannerTM

Get Started with an Example

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Drawing Area

Main Screen

Toolbar

Tool Strip / Icons

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Components Toolbar

Place input power source

Place Power Converter

(Voltage Regulator)

Place load device

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Components

Input Supply

Load

Device

Line

Linear Regulator

(LDO)

Resistor

Single Output

Converter

Rectangle

Box

Text

Net Name

Connector

Capacitor

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

The Basics – Step 1: Add Parts

Click Power, Converter or Load Icon on the tool strip and drop the part onto the drawing

area.

• By default, the input power source only has an output terminal. Converters have both input and

output terminals. The load only has input terminals.

•The input is always on the left side and the output is always on the right side.

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

The Basics – Step 2: Make Connections

Add connections. Add a wire connecting Converter 2 to Load 3: First click on the Icon. While in “Draw

Wire” mode, the cursor will become a cross-hair. Click Converter2’s output terminal. Then release the

mouse. Next click on Load3’s input terminal to create the wire. Right-click the Drawing Area to cancel

“Draw Wire” mode.

Notes:

1. Using an external mouse makes it easy to draw wires (instead of laptop PC touch pad/mouse)

2. The current program does NOT support “click-and-drag” to draw connection wire.

3. Routes requiring 90° turns must be placed by the user.

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Change part properties. Double click on part labeled “Converter 2” to open the “Properties

Tab”. Update the text box entries appropriate to the desired values.

Double Click

The Basics – Step 3: Part Properties

Pressing this arrow

will keep the

“Properties Tab”

always open or

always closed

when a single part

is selected.

Shortcut is “Space”

Note: the values with

blue cell background

color are used for

power calculation or

interface with

LTpowerCAD search.

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

The Basics – Step 3: Part Properties

Each component has a unique “Properties” box which allows the appropriate fields to be edited.

Power Source Properties Load Device Properties

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Note:

1. The user needs to manually enter the estimated efficiency and size of each converter to

generate estimated total efficiency and board space.

Calculate parameters. Click the “Run” icon on the tool strip to calculate system efficiency,

losses and total solution size.

A design project is saved as an .ltp3 file.

The Basics – Step 4: Calculate Parameters

Updates Currents, Voltages

and Losses

Creates a “Summary Report”

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Move. Click and drag a part to move it to a new location. Dragging will snap parts in line

with other parts and wire lines.

Design Example – Functions & Features(1)

Step 1. Drag

(to select)

Step 2. Click & Hold

(to drag)

Step 3. Drag and Release

(to a new location)

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Zoom. Click the “Zoom In” icon on the tool strip menu. This will increment the zoom by one

step. “Zoom Out” is opposite this function. “Zoom to Fit” automatically sizes the zoom.

Design Example – Functions & Features(2)

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Delete. Click the icon to enter “Delete” Mode. Deleting components will automatically

delete wires that are no longer relevant without the component. Right-click the Drawing Area to exit

“Delete” mode.

Design Example – Functions & Features(3)

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Delete. Deleting a wire will automatically delete joining wires that are no longer relevant.

Right-click the Drawing Area to exit “Delete” mode.

Design Example – Functions & Features(4)

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Drag (Group) Delete. Delete groups of parts by dragging the Delete tool

Advanced Functions – Drag Delete

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Group Copy/Paste. Duplicates the selected components and their properties.

Design Example – Functions & Features(5)

Note: copy/paste connection wires are not supported yet.

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Resize Component. Resize parts by dragging the corner of the part when the cursor

changes to the resize icon. Rectangles, lines and text can be resized from multiple corners.

Design Example – Functions & Features(6)

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Add Converter Output Terminals. Click the “+” button to add an output to the

selected converter.

Design Example – Functions & Features(7)

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Design Example – Functions & Features(8)

Add Output Terminals. Each converter can have up to 8 outputs with separate efficiencies

and output voltages.

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Design Example – Functions & Features(9)

Add Load Input Terminals. Add an unlimited amount of Terminals to Load Parts by

clicking the “Add New Load Terminal” button.

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Design Example – Functions & Features(10)

Change Load Visual (Symbol). Change the appearance of Single Load Parts and Input

Parts by clicking the “Change Visual” button.

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Input

Visuals Load

Visuals

Stack this visual and

change the color to

create a multiple

input load with

individual labels

Design Example – Functions & Features(11)

Change Load Visual. Experiment with different sizes and configurations to achieve the

desired appearance.

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

(- Treat the net naming tag as a single input

converter. Does NOT support “drop” onto

an existing net for connection yet. )

Design Example – Functions & Features(12)

Net Naming Part. Net naming parts with the same name are connected. This part cannot be

connected by dropping onto existing wires. You have to manually connect wires to it to establish

connections.

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Copy an area of the drawing to image. Click the “Camera” icon. Left click and drag the

cursor until the area covers the image you want to copy. This highlighted area of the drawing has

been copied to the clipboard which can now be pasted elsewhere as a picture/image.

Design Example – Functions & Features(13)

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Add text boxes and highlights. Icons from the Shapes group allow you to add

commenting text and bring attention to specific areas.

Design Example – Functions & Features(14)

Shapes Group

•Note: the commenting text color, size and

commenting line/rectangular box color and style

can be changed in their properties window.

L7 LLUEAGR

LTpowerPlanner III Design Tool Quick Start Guide 1/2016

New Tab. Click the “Page” icon to create a new

tab. Each tab is included under the same project.

Save will save all tabs into one project file.

Rename Tab. Double click the Tab Name to

rename the tab.

Delete Tab. Right click the Tab Name to bring up

the delete option.

Design Example – Functions & Features(15)

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Save/Open. “Save” and “Open” apply to ALL TABS! Each tab is designed to be a part of one

solution. This means “Save” saves all your tabs to one file which has multiple tabs. When you

“Open” a file, all your tabs will be replaced by the new project.

Print. Print will Zoom-to-Fit the current tab and open your printing options.

Design Example – Functions & Features(16)

Undo/Redo.

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Change Background Color. Click the “Color Switch” icon next to the “LTpowerCAD”

icon. This will bring up a Color box that will let you change the color of the drawing area

background.

Design Example – Functions & Features(17)

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Design Example – Functions & Features(18)

Printing. Landscape printing is the default setting and can be changed in printing

preferences.

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Link Files. Click “Browse” in a converter’s Property Window to link an existing LTSpice or

LTPowerCAD design file (previously created by user in a PC folder) to a specific converter.

Open Linked Design / Simulation files. Click the LTPowerCAD or

LTSpice button to open the linked files.

Functions – Link LTspice/LTpowerCAD Files

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Parametric Search. Clicking the LTpowerCAD button without a linked file will open

LTpowerCAD’s parametric search using parameters pulled from the LTpowerPlanner converter.

Clicking LTspice without a linked file will open a new LTspice window.

Functions – Open LTpowerCAD Parametric Search

LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Advanced Functions – Wire Snapping

Drawing wires will snap to corners for easier and cleaner connections

Snaps left of cursor location

to line up with the corner Must click wire to make

connection, even though it

snaps to the correct place

Easy clean connection

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Advanced Functions – Keybindings & Shortcuts

Ctrl + N = New Tab

Ctrl + O = Open File

Ctrl + S = Save File

Ctrl + Shift + S = Save File As

Ctrl + P = Print

Delete = Delete Mode

Ctrl + C = Copy/Paste Mode

W = Wiring Mode

B = Run Calculation

I = Draw Line

A = Draw Arrow

E = Draw Rectangle

T = Text

Space = Open/Close Properties Tab

P = Create Power

S = Create Single Converter

D = Create Dual Converter

R = Create Resistor

O = Create LDO Converter

C = Create Capacitor

L = Create Load

- or Ctrl + Scroll Down = Zoom Out

= or Ctrl + Scroll Up = Zoom In

0 = Zoom Fit

Scroll = Vertical Scroll

Shift + Scroll = Horizontal Scroll

LTpuwerPlanner ||| 3.0.0 ﬁle Edit View PUB Symbols NEwTab L7LELUN§AB

LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Backward Compatibility with LTpowerPlanner Rev.2.

•Due to the major program structure change, the LTpowerPlanner III can

open the LTpowerPlanner II project files. Only the components are

imported. The wiring connection is not imported.

•We will keep the backward compatibility for future LTpowerPlanner III

and beyond program versions.

L7LELUN§AB

LTpowerPlanner III Design Tool Quick Start Guide 1/2016

In Development:

•Delete Extra Input/Output Terminals

•Group Copy/Paste with Wiring

•Support Negative Output Voltage

•Support Multiple Output LDO

Future Functions – In Development

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LTpowerPlanner III Design Tool Quick Start Guide 1/2016

Thank You

Now you have gone through the main features of the

program and are ready to use LTpowerPlannerTM !

There are still more features to explore…

Questions? Suggestions?

Email to: LTpowerCAD@linear.com

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