Cypress CY8CKIT-035 Manual
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Cypress CY8CKIT-035 Manual

Psoc 3 and psoc 5lp power supervision expansion board kit (ebk)
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CY8CKIT-035
®
PSoC
3 and PSoC 5LP Power Supervision
Expansion Board Kit (EBK) Guide
Doc. #: 001-86225 Rev. *B
Cypress Semiconductor
198 Champion Court
San Jose, CA 95134-1709
Phone (USA): 800.858.1810
Phone (Intnl): 408.943.2600
http://www.cypress.com

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Summary of Contents for Cypress CY8CKIT-035

  • Page 1 CY8CKIT-035 ® PSoC 3 and PSoC 5LP Power Supervision Expansion Board Kit (EBK) Guide Doc. #: 001-86225 Rev. *B Cypress Semiconductor 198 Champion Court San Jose, CA 95134-1709 Phone (USA): 800.858.1810 Phone (Intnl): 408.943.2600 http://www.cypress.com...
  • Page 2 Cypress Source Code and derivative works for the sole purpose of creating custom soft- ware and or firmware in support of licensee product to be used only in conjunction with a Cypress integrated circuit as speci- fied in the applicable agreement.

  • Page 3: Table Of Contents

    5.2.3 Technical Details - Voltage and Current Measurements ........38 5.2.4 Technical Details - Regulator Trimming and Margining........42 5.2.5 Technical Details - PMBus Interface ..............45 5.2.6 Technical Details - Firmware Flowchart ............46 CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...
  • Page 4 Layout ........................51 A.2.1 Top Layer .......................51 A.2.2 Ground Layer ....................51 A.2.3 Power Layer ....................52 A.2.4 Bottom Layer....................52 A.2.5 Top Silkscreen ....................53 Bill of Materials ......................54 CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 5: Introduction

    PSoC 3 and PSoC 5LP devices. You can modify the example projects using Cypress's PSoC Cre- ator™ software (included with this kit) and customize them for your own system power supervision needs.

  • Page 6: Kit Contents

    Note This kit can also be used to evaluate PSoC 1-based power supervision solution. See the PSoC 1 Power Supervision EBK Guide located at www.cypress.com/go/CY8CKIT-015 for more details. CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 7: Psoc Creator

    For more details on the kit, visit http://www.cypress.com/go/CY8CKIT-035. For support, visit http://www.cypress.com/go/support or contact us on +1-800-541-4736 Ext. 2 (USA) or +1-408-943-2600 Ext. 2 (International). CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 8: Software Installation

    1. Download and install the PSoC Power Supervision EBK software from www.cypress.com/go/CY8CKIT-035. 2. Select the folder to install the CY8CKIT-035 related files. Choose the directory and click Next. Figure 2-1. Installation Folder 3. Select the installation type and click Next.

  • Page 9: Install Software

    Download the CD ISO image or setup files from www.cypress.com/go/CY8CKIT- 035. After installation is complete, the following are installed on your computer: PSoC Creator ■ CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 10: Uninstall Kit Software

    Go to Start > Control Panel > Add or Remove Programs; select the appropriate software pack- ■ age and click the Remove button. Go to Start > All Programs > Cypress > Cypress Update Manager > Cypress Update Man- ■ ager; select the Uninstall button for the appropriate software package.

  • Page 11: Kit Operation

    I2C, SMBus, or PMBus protocol inter- faces. The Power Supervision EBK includes the Power Supervision Tool to work as the external host. CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 12: Kit Connections

    3. Ensure that the LCD included with the PSoC Kit is attached and that the LCD power jumper (J12) is in the ON position. All other jumpers should have the default settings. Figure 3-4. PSoC Kit (CY8CKIT-001) LCD Power Jumper CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 13: Psoc 3 (Cy8Ckit-030) Kit

    Figure 3-6. PSoC 5LP Kit (CY8CKIT-50) Power Jumpers 2. Disconnect the SAR bypass jumpers J43 and J44. All other jumpers should have the default set- tings. CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 14: Example Projects

    PSoC 5LP Kit (CY8CKIT-050). 4. The example projects can be copied to any location you specify on your hard drive and then opened automatically. CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 15: Set Up The Example Projects On Psoc Kit (Cy8Ckit-001)

    1. If this is the first time that the example project firmware is being programmed into PSoC, make sure that the Power Supervision EBK is not connected to the PSoC Kit. 2. Apply 12-V DC power to the PSoC Kit. CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...
  • Page 16 2 5 0 2 1 8 0 3 11. Connect the MiniProg3 to the white connector (J2) of CY8CKIT-035 and launch the PSoC Power Supervision Tool (Start > All Programs > Cypress > PSoC Power Supervision Tool). The tool should automatically connect to the MiniProg3; click the Read All button.
  • Page 17 Kit Operation Figure 3-12. PSoC Power Supervision Tool For more information on the example projects, see Example Projects on page CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 18: Set Up The Example Projects On Psoc 3 Kit (Cy8Ckit-030)

    2. PSoC Creator will generate a few notes during the project build. These notes will not affect the functionality of the project. The notes are generated due to the Voltage Fault Detector analog routing constraints. CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...
  • Page 19 2 5 0 2 1 8 0 3 10.Connect the MiniProg3 to the white connector (J2) of CY8CKIT-035 and launch the PSoC Power Supervision Tool (Start > All Programs > Cypress > PSoC Power Supervision Tool). The tool should automatically connect to the MiniProg3; click the Read All button.

  • Page 20: Set Up The Example Projects On Psoc 5Lp Kit (Cy8Ckit-050)

    3. PSoC Creator will generate a few notes during the project build. These notes will not affect the functionality of the project. The notes are generated due to the Voltage Fault Detector analog routing constraints. CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...
  • Page 21 2 5 0 2 1 8 0 3 10.Connect the MiniProg3 to the white connector (J2) of CY8CKIT-035 and launch the PSoC Power Supervision Tool (Start > All Programs > Cypress > PSoC Power Supervision Tool). The tool should automatically connect to the MiniProg3; click the Read All button.
  • Page 22 Kit Operation Figure 3-21. PSoC 5LP Kit (CY8CKIT-050) with Power Supervision EBK Connected to Port E CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 23: Kit Hardware

    It is also possible to use the V[4:1] inputs instead of the C[4:1] inputs to connect to the window comparator. CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 24: Layout And Components

    Note that the Power Supervision EBK hardware limits support up to a maximum of four secondary regulator circuits. The PSoC 3 or PSoC 5LP power supervision solution can be easily extended to support up to 16 secondary regulator circuits. Contact Cypress for further information on the full 17- rail power supervision solution.

  • Page 25: Headers And Jumpers

    2-pin header to connect all loads on V4 = 1.8-V rail (fixed and adjustable) Installed 2-pin header to connect the variable potentiometer on V4 = 1.8-V rail Installed CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 26: 2X20 Pin Interface Header

    SDAT PMBus) Unused D3V3 VADJ Unused Digital Ground DGND Unused Optional 12-V power from PSoC Kit/ DVIN DGND Digital Ground PSoC 3 Kit/PSoC 5LP Kit CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 27: Example Projects

    32 secondary-side voltage supplies. It is designed to connect to regulators that provide a digital power good (PGOOD) status output. In this example project, the CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...
  • Page 28 To see the configuration of the sequencer, double-click Voltage Sequencer in the Example 1 top- level design schematic file. This opens the component customizer for the Voltage Sequencer. The General tab is displayed by default (see Figure 5-4). CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...
  • Page 29 Power Supervision EBK. Click the Power Up tab to set up the power-up sequence for this example (see Figure 5-5). CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...
  • Page 30 Otherwise, it is considered a fault condition. Click the Power Down tab to set up the power-down sequence for this example (see Figure 5-6). CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...
  • Page 31 Sequencer is configured to turn off the rail group immediately (ignoring the TOFF Delay parameter) and it will attempt to re-sequence indefinitely in response to any fault condition (see Figure 5-7) CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 32: Technical Details - Uv/Ov Monitoring Using The Window Comparator

    3. The previous glitch filter result for rail[n] is copied from SRAM to the glitch filter using DMA 4. A short delay is provided to allow the DACs and comparators time to settle CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...
  • Page 33 For this example project, the key parameter settings are the Number of voltages (4), and the Compare type (OV and UV). Click the Voltages tab to set up the fault thresholds for this example (see Figure 5-10). CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 34: Technical Details - Firmware Flowchart

    (its own pgood signal being de-asserted) is handled entirely in hardware to get the fastest possible response time (~25 ns) for safety reasons. The firmware flowchart for the Example 1 project is shown in Figure 5-11. CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 35: Example Project 2: Power Supervision

    (if more than one MiniProg3 are connected to your PC), select the appropriate MiniProg3 and click Connect . The indicators should display ‘Connected’ and ‘Powered On’, and they should turn CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 36: Technical Details - Voltage Sequencer And Uv/Ov Fault Detection

    The System Config tab should appear as shown in Figure 5-13. V1 to V4 are the four secondary rails associated with the power converters on the CY8CKIT-035, and V5 is the primary (+12 V) input power rail. Figure 5-13. PSoC Power Supervision Tool - System Config Tab As you can see, functions such as sequencing, voltage and current measurement, over-voltage and under-voltage fault detection, and trimming are enabled for converter rails V1 to V4.
  • Page 37 To change the sequencing down, click the Power Down Sequence tab of the Power Supervision Tool. This tab enables you to specify how the Voltage Sequencer should power down the rails. CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 38: Technical Details - Voltage And Current Measurements

    ADC with 0.1 percent internal accurate voltage reference, with automatic self-calibration resulting in a system-level accuracy of 0.26 percent. Figure 5-16 shows the Power Monitor component in the Top Design. CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...
  • Page 39 To see the configuration of the Power Monitor component, double-click it in the Example 2 top-level design schematic file. This opens the component customizer and the General tab is displayed by default (see Figure 5-17). CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...
  • Page 40 Supervision EBK), the voltage sensing ADC range (0–4.096 V to work with 5-V Vdd). Click the Power Converter Voltages tab to set up voltage measurements for this example (see Figure 5-18). CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...
  • Page 41 Power Supervision EBK. Click the Power Converter Currents tab to set up current measurements for this example (see Figure 5-19). CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 42: Technical Details - Regulator Trimming And Margining

    PWM blocks with external RC filter networks to achieve the equivalent result. Because PSoC can measure the analog voltage of each rail, a closed loop control system can be implemented to fine- CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...
  • Page 43 Click the Hardware tab to configure the PWMs and external hardware components for this example. CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...
  • Page 44 Margin High values to be 10 percent. Then, press the Write Changes button. Read the next section to learn how to set the margins to high and low. CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 45: Technical Details - Pmbus Interface

    5-24. Click the Start Monitor button to begin reading voltages and currents over PMBus in real time. Figure 5-24. Power Supervision Tool - PMBus Console CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 46: Technical Details - Firmware Flowchart

    1. Initialize hardware components 2. Periodically handle any pending PMBus transaction 3. Periodically check for warnings and faults 4. Periodically running the trim update (active trim) algorithm CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...
  • Page 47 Start Window Comparator Hardware Block Start Voltage Sequencer Component Handle the PMBus Transactions Update Trim PWM Duty Cycles Check for Warnings and Faults Main Loop CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 48: Appendix

    Appendix Schematic A.1.1 Primary 12-V Power Input CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 49: Dvk Connector And Debug Test Points

    A.1.2 DVK Connector and Debug Test Points A.1.3 Voltage Regulator V1 = 5 V CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 50: Voltage Regulator V3 = 2.5 V

    A.1.4 Voltage Regulator V2 = 3.3 V A.1.5 Voltage Regulator V3 = 2.5 V A.1.6 Voltage Regulator V4 = 1.8 V A.1.7 I2C/SMBus/PMBus Interface Connector CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 51: Layout

    Layout A.2.1 Top Layer A.2.2 Ground Layer CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 52: Power Layer

    A.2.3 Power Layer A.2.4 Bottom Layer CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 53: Top Silkscreen

    A.2.5 Top Silkscreen CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...

  • Page 54: Bill Of Materials

    Yageo Corporation RC0402JR-07330RL RES 22.1K OHM 1/10W 1% 0603 22.1k  Yageo RC0603FR-0722K1L R29,R44,R47, 100  RES 100 OHM .5W 1% 1206 SMD Vishay/Dale CRCW1206100RFKEAHP R55,R66 CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...
  • Page 55 RES 1K 1/10W OHM 0.1% 0805 Stackpole Electronics Inc RNCF0805BTC1K00 CONN HEADER VERT DUAL 40POS 961240-6404-AR GOLD HIGH-SIDE CURRENT MONITOR Zetex ZXCT1009FTA TV1,TV2,TV3, TEST VIA 40 HOLE 20 PLATED NONE CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision EBK Guide, Doc. #: 001-86225 Rev. *B...
  • Page 56 Revision History CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision Expansion Board Kit (EBK) Guide Revision History Document Title: CY8CKIT-035 PSoC® 3 and PSoC 5LP Power Supervision Expansion Board Kit (EBK) Guide Document Number: 001-86225 Origin of Revision ECN# Issue Date...

This manual is also suitable for:

Psoc 3 kitPsoc 5lp kitPsoc kitCy8ckit-030Cy8ckit-050Cy8ckit-001

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