EE-Sim User Manual Online Edition March 2014
EE-Sim User Guide Table of Contents 1 Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EE-Sim User Guide 4 System Power Designs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 4.1 Creating New System Power Processor Designs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 4.1.1 Creating a New FPGA Processor Design and Schematic .
EE-Sim User Guide 1 Getting Started 1.1 Introduction As a registered member of the Maxim Integrated online community, you can use the Maxim EE-Sim® tool to design, simulate, analyze, and purchase a variety of analog and power solutions. You can also view customized DC/DC and sequencer recommendations for multi-rail or multi-load systems including processor, SoC, uC, and FPGA designs. EE-Sim automatically creates a circuit schematic based on your requirements, saving you precious design time and resources.
EE-Sim User Guide 1.3 Starting EE-Sim As a registered user, you can now start using EE-Sim. You can start EE-Sim directly or you may start the tool as the recipient of a shared design from another user. 1.3.1 Using EE-Sim as a New User Use the following procedure if you are new to Maxim Integrated and are using EE-Sim for the first time. 1. Start EE-Sim by any of the following methods: a. Navigate to www.maximintegrated.com, click the Design menu, and then click EE-Sim. b.
EE-Sim User Guide 1.3.2 Using EE-Sim as the Recipient of a Shared Design The following procedure applies to users who receive an email invitation to open a shared design. Note: If this is the first time you are visiting the Maxim Integrated online member community, navigate to https://memcenter.maximintegrated.com and click Register for Membership. See 1.2 How to Register as a New User. 1. Open the desktop application, website, or mobile device you use to access email. 2.
EE-Sim User Guide 1.3.3 Opening an Existing Design Use this procedure to open and resume work on a saved design. For example, you may have closed your browser or are using a different computer and want to reopen one of your designs. You can also use this procedure to open a shared design and save a copy that you can edit as the owner of the design. 1. Open your web browser and navigate to http://www.maximintegrated.com/ee_sim/. 2. If you are logged in, click Start the EE-Sim tool and skip the next step. 3.
EE-Sim User Guide 1.3.5 Logging Out of EE-Sim EE-Sim was designed with easy login/logout in mind. Follow these steps to end your session. 1. Click the Save button to save any changes you made to your design. 2. Close your browser. Note: The next time you start EE-Sim, you are logged in automatically unless you checked the Delete browsing history on exit option in your web browser. (Optional) To completely exit the tool, click the Maxim Integrated logo.
EE-Sim User Guide 1.4.2 Configuring Mozilla Firefox for EE-Sim 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. From the menu bar, click on Tools. From the Tools menu, select Options. In the Options window, select the Privacy icon. If the Firefox will drop-down option is Never remember history, cookies are deleted from the browser when you close it. Change the option to Remember history so that the cookie is retained between sessions.
EE-Sim User Guide 2 Designs, Contacts, and Sharing 2.1 Managing Your Designs There is no particular procedure for managing your designs. As you create and share them, your design list will grow. The following graphic provides a visual summary. My Designs: Click the My Designs tab to view, manage, sort, open, share, and delete your designs.
EE-Sim User Guide 2.1.1 Creating a New Contact Before sharing a design with a colleague, you must add them as a new contact. 1. Click the My Designs tab. 2. Click the Go to My Contacts button. 3. In the Add New Contact field: a. Enter the email address for your new contact. b. Click Add Contact. 4. In the Invite Preview section: a. In the Subject field, enter a subject line for the email message to your new contact. b.
EE-Sim User Guide 2.1.2 Managing Your Contacts EE-Sim helps you organize your contacts, send email invitations, and set sharing permissions for collaboration in viewing, approving, or developing new designs. 1. Click the My Designs tab. 2. Click the Go to My Contacts button. 3. In the My Contacts section: a. Click a column header to sort your contacts by either their email address or the number of designs you have shared with Read/Write or Read Only permissions. b.
EE-Sim User Guide 2.1.3 Sharing a Single Design Use this procedure to share a specific design with a contact. You have two options: start at step 1 or 2. 1. (Option 1) On the My Designs page, position your mouse over the design you want to share. In the dynamic status area that appears on the right side, click Share. a. In the Manage Permissions window for the selected design choose Read/Write, Read Only, or No Access for each contact in the list.
EE-Sim User Guide 2.1.4 Sharing Multiple Designs Use this procedure to share multiple designs at the same time with a single contact. 1. On the My Designs page, click Go to my Contacts. 2. On the My Contacts page, locate a specific contact in the list and click the Manage button. 3. In the Share Multiple Designs window: a. Select Read/Write or Read Only for each design in the list. Select No Access to disable sharing of that design. b. (Optional) Click Apply to save your settings. c.
EE-Sim User Guide 3 DC/DC Conversion Designs As a registered member of the Maxim Integrated online community, you can use the Maxim EE-Sim® DC-DC Conversion tool to design, simulate, analyze, and purchase a variety of power solutions, including step-up, step-down, and isolated configurations. EE-Sim automatically creates a circuit schematic based on your requirements, saving you precious design time and resources. Set up and complete your simulations in just minutes.
EE-Sim User Guide 3.2 Specifying Input, Output, and Other Design Requirements EE-Sim fills in default design requirements for the part you selected. Use this procedure to edit those values before generating a schematic. 1. On the Design Requirements page: a. In the Input Requirements section, enter your input values in each field. b. In the Output Requirements section, enter your output values in each field. c. In the Design Criteria section, enter your settings in each field. 2.
EE-Sim User Guide 3.3 Generating a Schematic and Saving Your Design In the two previous procedures, you selected a part and entered your design requirements. Follow these steps to generate a schematic and save your new design. 1. When all your values have been entered, click Create Design. 2. EE-Sim performs a complex set of calculations to design a circuit that meets your requirements. A visual representation of your design appears on the Schematic page.
EE-Sim User Guide 3.5 Modifying Schematics 3.5.1 Modifying Product Components You can change component settings, parts, and even switch manufacturers. You can choose stock or custom settings in a design. 1. Open a design and click the Schematic tab. 2. Click a component to open and edit it. In the example shown below, the C16 capacitor is opened in the schematic diagram. 3. In the Edit window: a. Expand Use Vendor Part to view the currently selected component.
EE-Sim User Guide Selected Part: The top of the window shows the original part you selected in the schematic. Available Filters: This section lists your search opti ons. Default sett i ngs are based on the design requirements that you entered for your design before generating the schemati c. Make adjustments tofi nd only the parts of interest to you. Filter Controls: Scroll from left to right to view all available ifl ter op t i ons.
EE-Sim User Guide 3.6 Simulation and Analysis 3.6.1 Running a Simulation and Generating Waveforms You can use EE-Sim to run an analysis to generate waveforms. 1. Open a design and click the Analysis tab. 2. In the Configure Analysis section, select an option for the Analysis Selection field: a. Click AC Analysis and enter a Start Frequency and Stop Frequency. b. Click Transient Analysis and enter a Simulation Stop Time. c. Click Steady-State Analysis and enter a Simulation Stop Time. d.
EE-Sim User Guide Run Analysis: Select an analysis type and enter your Configurati onsettings. ClickRun Analysis to generate a default waveform. Waveforms: EE-Sim offers you several diff erent types ofsimulationresults including Bode plot, IC, Input, Switching, Output, Primary, Secondary, and Signals. Waveform Viewer: Click the Open in Waveform Viewer button or click the waveform graph to open the WebScope waveform viewer in a separate window.
EE-Sim User Guide 3.7 Generating a Summary Page and BOM (DC-DC) 3.7.1 Generating and Printing a Summary Page You can generate a summary page for your design. 1. Open a design and click the Complete Your Design tab. 2. A summary page appears. Click any of the available options: a. Click Evaluation Board to view a product evaluation kit with ordering information, samples, design resources, an overview, data sheet, and related product links.
EE-Sim User Guide 4 System Power Designs As a registered member of the Maxim Integrated online community, you can use the Maxim EE-Sim® System Power tool to view custom DC/DC and sequencer recommendations for multi-rail or multi-load systems, including processor, SoC, uC, and FPGA designs. EE-Sim automatically validates your part selections based on your requirements, saving you precious design time and resources.
EE-Sim User Guide Note: If you change the Device Type, your original values are removed. 6. Click Browse. 7. In the Choose File to Upload window, navigate to your Altera or Xilinx power estimator spreadsheet in a folder or on your computer. Select the file and click Open. 8. Click Upload. 9. Click Preview Device to view the rails and pins for your device. a. EE-Sim reminds you to enter any missing design requirements in the table by placing a red border around the empty cells. b.
EE-Sim User Guide 6. Complete one or more rows in the power requirements table: a. In the Pin Name field, enter the unique identifier for each pin (for example, VCCO). b. In the Group field, enter an integer number. To combine rails with the same voltage, enter the same group number for those rails. c. In the Voltage (V) field, enter the voltage. d. In the Ireq (A) field, enter the amperage. e.
EE-Sim User Guide 4.3 Modifying System Power Schematics 4.3.1 Adding and Connecting Product Components You can add, connect, and change components directly in the schematic. 1. Open a system power design and click the View Schematic tab. 2. To add a component, click Add Component and choose a component from the menu. You can select converters, an input power supply, an additional load, or another processor. 3. Move the component to a specific location and click in the grid to position it there. 4.
EE-Sim User Guide Toolbar: The top of the window shows a toolbar you can use to access tool buttons for familiar commands. Youwill recognize icons for the print, undo, redo, zoom, select, delete, and wire commands. To refresh your memory, position your mouse over an icon to view its functional name in a tooltip. Add Component: When you click this button, a menu appears. Choose a component. Slowly move your mouse down to position the new component in the grid.
EE-Sim User Guide 4.3.2 Selecting a Component You can select and change components directly in the schematic. 1. Open a system power design and click the View Schematic tab. 2. Double-click a component. The resulting window varies for each type of component. a. Input Supply: In the Define Source Supply window, verify or change the Supply Voltage field and then click Ok. b. Processor/FPGA: In the Choose/Configure Processor/FPGA window, verify, change, or define the power requirements of each pin.
EE-Sim User Guide Converter Requirements: Verify the detected voltage and current values are correct. You can also modify detected values, or manually add or delete rails. Click Reset to erase all custom values on the entire page and start over. Apply Filters: Click Show Filters and check the filter criteria you want to apply to narrow down the search results. Check Design Tool Available to find soluti ons that feature the EE-Sim DC/DC Converter tool.
EE-Sim User Guide 4.4 Sequencing 4.4.1 Adding a Sequencer Typically, your design should include at least one sequencer to manage the flow of power to the rails in the prescribed order. 1. Open a system power design and click the Sequencing tab. 2. Click the Add Sequencer button. 3. In the Find a Solution window: a. Click Show Filters (it may already be displayed). b. In the Input Channels section, enter values for the minimum (Min) and maximum (Max) number of input channels. c.
EE-Sim User Guide 4.4.2 Editing the Group/Rail Assignments and Viewing the Timing Diagrams Perform these steps to edit the group/rail assignments and generate timing diagrams. 1. Open a system power design and click the Sequencing tab. 2. Verify that you have added at least one sequencer. 3. Expand the Group/Rail Assignment section. The color-coded FPGA Groups and Rail(s) data appear only when you have added at least one sequencer. 4. For each FPGA Group and rail or pin: a.
EE-Sim User Guide 3. Click Part Links to expand this section and view the following data: a. Ref Des: The abbreviated name or ID for the part as it is refer enced in the design schematic. For example, item PS1 represents a power supply and item U1 represents a processor. b. Part Number: The OEM part number, model name, or generic item name such as Power Supply. c. Device Type: The category for the part, such as Processor/ FPGA, Sequencer, or Supply. d.
EE-Sim User Guide 4.5.2 Generating and Printing a Summary Page Follow these steps to view a web page or PDF that summarizes your design in the following five sections: • Part Links • Level Schematic • Converters • Processors/FPGAs • Sequencing 1. Open a system power design. 2. For a summary page in HTML format: a. Click the Summary tab. b. Scroll down to the bottom of the Summary page and click Expand All. c. The Summary page appears showing all five sections in your web browser. 3.
EE-Sim User Guide 5 Filter Designs Documentation for this section is not yet available. Questions can be submitted at www.maximintegrated.com/tech-support.
EE-Sim User Guide 6 PLL/VCO Designs Documentation for this section is not yet available. Questions can be submitted at www.maximintegrated.com/tech-support.
EE-Sim User Guide 7 The EE-Sim Application for Windows You can perform any of the following tasks with the offline edition of EE-Sim: • Simulate your schematic. • Perform enhanced schematic editing, waveform viewing, and analysis. • Use the SIMPLIS simulation engine for closed-loop switching power supply applications. • Run the SIMetrix Spice simulation engine. 7.
EE-Sim User Guide 2. In the License Agreement window, scroll down to read the terms and click I accept the terms of the license agreement. Click Print to save a copy of the terms. To continue, click Next. 3. In the Choose Destination Location window, if you accept the default folder destination, click Next to continue. To specify a different directory, click Browse, navigate to another folder, and select it. Then, click Next.
EE-Sim User Guide 4. In the Ready to Install the Program window, click Install. 5. A window appears to notify you that the installation is complete. Click Finish.
EE-Sim User Guide 7.3 How to Start Using the EE-Sim Application for Windows Follow these steps after the installation to open the offline application and get started. 1. Click Start in Microsoft Windows and then click EE-Sim. You can also type ee-sim into the search field. Windows 8 users can create a new start tile or can create desktop shortcuts in a Quick Launch toolbar just like previous versions of Windows. 2. In the Starting EE-Sim for the First Time message box, select the following options: a.
EE-Sim User Guide If you click Yes for the example files, they appear in your My Documents folder in a series of sub-folders as shown below: c. After selecting either Yes or No, click Close.
EE-Sim User Guide 3. At the EE-Sim startup window, click Ok. 4. To open a schematic from the small command shell window, choose Open Schematic from the File menu. To open a schematic from the editor window, choose Open from the File menu. EE-Sim schematic files end in either of the following extensions: • sxsch • wxsch 5. Click Help in the command shell window to open detailed help files.
EE-Sim User Guide 7.4 Downloading a Schematic In the DC/DC Conversion and Filter tools, you can download a schematic and edit it using the offline EE-Sim application. 1. Open a design and click the Download Designs tab. 2. Click the Download link for the current schematic. 3. Refer to the following graphic for download examples in Google Chrome and Internet Explorer. Download Designs: Click this tab when you are ready to download your schematic. You can alsodownload the offline application on this page.
EE-Sim User Guide You can save your downloaded design schematic files in any folder including the EE-Sim folder that is created under My Documents when you installed the EE-Sim Windows application and example files.
EE-Sim User Guide Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and max limits) shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.
