Texas Instruments C2000 LED BoosterPack User Manual Download

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List of Figures

LED BoosterPack (BOOSTXL-C2KLED)

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Lighting System Topology

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LED BoosterPack Circuit Diagram

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LED BoosterPack Subsytem Locations

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LED BoosterPack GUI

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GUI Setup Connections Window

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LED BoosterPack With C2000 LaunchPad and MSP430 Capacitive Touch BoosterPack

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LED BoosterPack Circuit Diagram

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LED BoosterPack Jumper, Connector, and Switch Locations

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List of Tables

Boot Options

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PWM and ADC Resource Allocation

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Description of Jumpers, Connectors, and Switches

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SPRUHH9 – July 2012

List of Figures

Submit Documentation Feedback

Summary of Contents for C2000 LED BoosterPack

Page 1: ...C2000 LED BoosterPack User s Guide Literature Number SPRUHH9 July 2012 ...

Page 2: ... Overview 5 3 1 Subsystems 6 3 2 Powering the Board 7 3 3 Boot Modes 8 4 Getting Started 8 4 1 PC GUI Demo 8 4 2 Capacitive Touch Demo 10 5 Hardware Resource Mapping 12 5 1 Resource Allocation 12 5 2 Jumpers Connectors and Switches 13 2 Table of Contents SPRUHH9 July 2012 Submit Documentation Feedback Copyright 2012 Texas Instruments Incorporated ...

Page 3: ...ndow 10 7 LED BoosterPack With C2000 LaunchPad and MSP430 Capacitive Touch BoosterPack 11 8 LED BoosterPack Circuit Diagram 13 9 LED BoosterPack Jumper Connector and Switch Locations 14 List of Tables 1 Boot Options 8 2 PWM and ADC Resource Allocation 12 3 Description of Jumpers Connectors and Switches 13 3 SPRUHH9 July 2012 List of Figures Submit Documentation Feedback Copyright 2012 Texas Instru...

Page 4: ...erPack kit contents the board hardware details and also explains the functions and locations of jumpers and connectors present on the board Step by step instructions for two demo examples are also included Figure 1 LED BoosterPack BOOSTXL C2KLED C2000 LaunchPad controlSUITE Code Composer Studio are trademarks of Texas Instruments Microsoft is a registered trademark of Microsoft Corporation in the ...

Page 5: ...em running from DC power Figure 2 Lighting System Topology There are multiple ways of controlling LEDs This board uses the C2000 devices to control a separate DC supply for each of the LED strings Brightness control is accomplished using the C2000 devices by independently varying the output power of each DC DC stage This allows the user to control the average current passing through each LED strin...

Page 6: ...input voltage to a voltage high enough to forward bias the LEDs The boost converters are driven by the EPWM peripheral present on the F28027 device on the C2000 LaunchPad Current Feedback Shunt resistors at the base of each LED string are used to convert the LED current into a voltage that can be measured The voltage from the sense resistors is passed to a set of op amps to amplify and filter the ...

Page 7: ...ould be used depends on whether the board is being used for evaluation or for experimentation Non Isolated Used to quickly show how the boards function with the supplied firmware Power for the LaunchPad is supplied via the USB Power for the LED BoosterPack is supplied via the included 12 V AC DC adapter With this configuration your PC s USB port is connected to the same ground as both the LaunchPa...

Page 8: ...2802x Position 2 up Position 2 up Position 2 down Position 3 up Position 3 down Position 3 down 4 Getting Started 4 1 PC GUI Demo The LED BoosterPack experimenter s kit comes with a GUI that provides a convenient way to evaluate the functionality of this kit and the F28027 device without having to learn and configure the underlying project software The interactive interface using sliders buttons a...

Page 9: ... changed to English for this demo to run correctly Follow these instructions to run the GUI included with the LED BoosterPack 1 Start Code Composer Studio version 5 2 In TI Resource Explorer look for an entry called controlSUITE and expand the Development Tools section 3 Expand the entry for BOOSTXL C2KLED and look for the PC GUI application project Follow the steps in the right pane of Resource E...

Page 10: ...d says Connected once the GUI is connected 8 Use the Color Presets provided or manually adjust the current level for each LED string to vary the color generated by each LED array 9 When finished set each LED string s Target Current to 0 00A and press Disconnect to terminate the connection 4 2 Capacitive Touch Demo The LED BoosterPack experimenter s kit comes with an MSP430 device and headers such ...

Page 11: ... switch settings on the C2000 LaunchPad a A jumper is placed on JP1 b A jumper is placed on JP2 c A jumper is placed on JP3 d Switches in S1 are all in the up position e The switch S4 is in the down position 3 Insert a C2000 LaunchPad into the header marked J3 J9 and J4 J10 on the LED BoosterPack 4 Insert an MSP430 Capacitive Touch BoosterPack onto the headers marked J6 and J7 5 Connect the LED Bo...

Page 12: ...the Center button turns the LEDs ON or OFF 5 Hardware Resource Mapping 5 1 Resource Allocation Figure 8 shows the various stages of the board in a circuit diagram format and illustrates the major connections and feedback values being mapped to the C2000 MCU Table 2 lists these resources For more detailed information see the schematics and the device specific data sheets Table 2 PWM and ADC Resourc...

Page 13: ...onnectors and switches available on the board Figure 9 shows the location of these items with help of a board image Table 3 Description of Jumpers Connectors and Switches J1 Barrel Jack for main power connection 6 V 48 V J2 Jumper to connect BoosterPack 3 3 V to LaunchPad Headers J8 Jumper to connect BoosterPack 5 V to LaunchPad Headers J3 J9 and J4 J10 and J11 LaunchPadXL Socket J6 and J7 Capacit...

Page 14: ...1 Power Input J5 MSP430 Programming Interface J3 J9 and J4 J10 and J11 LaunchPadXL Socket Hardware Resource Mapping www ti com Figure 9 LED BoosterPack Jumper Connector and Switch Locations 14 C2000 LED BoosterPack SPRUHH9 July 2012 Submit Documentation Feedback Copyright 2012 Texas Instruments Incorporated ...

Page 15: ...y and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failures monitor failures and their consequences lessen ...

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