Texas Instruments TPS92682EVM User Manual

Texas Instruments TPS92682EVM User Manual

Constant current two-channel boost and boost-to-battery
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TPS92682EVM Constant Current Two-channel
Boost And Boost-to-Battery
User's Guide
Literature Number: SLUUC13A
May 2019 – Revised August 2019

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Summary of Contents for Texas Instruments TPS92682EVM

  • Page 1 TPS92682EVM Constant Current Two-channel Boost And Boost-to-Battery User's Guide Literature Number: SLUUC13A May 2019 – Revised August 2019...
  • Page 2: Table Of Contents

    Software ......Demonstration Kit Software Installation for MSP-EXP432E401Y LaunchPad Board .................... Installation Error Recovery ............Programming the MSP-EXP432E401Y LaunchPad Board ................TPS92682EVM-70 Power UP and Operation ......................SPI Command ....................GUI Devices Window .......................... Revision History Table of Contents SLUUC13A – May 2019 – Revised August 2019 Submit Documentation Feedback Copyright ©...
  • Page 3 CC Boost Conducted EMI Scan ................CC Boost-to-Battery Conducted EMI Scan .................... TPS92682EVM-70 Schematic .................... TPS92682EVM-70 Assembly ............TPS92682EVM-70 Top Layer and Top Overlay (Top View) ..................TPS92682EVM-70 Inner-layer 1 ..................TPS92682EVM-70 Inner-layer 2 ............... TPS92682EVM-70 Bottom Layer (Bottom View) ......................
  • Page 4 Fault Status after Pushing the Read Faults Once ..............Fault Status after Pushing the Read Faults Twice ......................Enabling the EVM ......................... Fault Status List of Figures SLUUC13A – May 2019 – Revised August 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 5 List of Tables ..................... Connector Descriptions ........................Test Points ............ TPS92682EVM-070 Boost Channel Performance Specifications ........TPS92682EVM-070 Boost-to-Battery Channel Performance Specifications ..................TPS92682EVM-70 Bill of Materials SLUUC13A – May 2019 – Revised August 2019 List of Tables Submit Documentation Feedback...
  • Page 6 Any other use and/or application are strictly prohibited by Texas Instruments. If you are not suitable qualified, you should immediately stop from further use of the HV EVM.
  • Page 7 EVM in an adequate lucent plastic box with interlocks from accidental touch. Limitation for safe use: EVMs are not to be used as all or part of a production unit. SLUUC13A – May 2019 – Revised August 2019 List of Tables Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 8: Trademarks

    6.5 V to 20 V. The EVM provides maximum output power of 25 W for boost channel and 15 W for the boost-to-battery channel. The TPS92682EVM-70 provides high efficiency, SPI programmable fault handling, I setting, and spread-spectrum.
  • Page 9: Component Connections

    LaunchPad Development Kit, part number MSP-EXP432E401Y SPI control signals to J8 and J9 allow star connection of TPS92682EVM-70 boards to each other with one other SPI controlled MSP-EXP432E401Y control board. J1 connects the input power to the TPS92682EVM-070. The board silkscreen VIN, GND identifies VIN pins with "Vbatt"...
  • Page 10: Reach Compliance

    EU REACH regulation we are notifying you that this EVM includes component(s) containing at least one substance of very high concern (SVHC) above 0.1%. These uses from Texas Instruments do not exceed 1 ton per year. The SVHC speciifications are: Component...
  • Page 11: Boost-To-Battery Current Regulator

    Performance Specifications www.ti.com Table 3. TPS92682EVM-070 Boost Channel Performance Specifications (continued) Parameter Test Conditions UNITS Number of LEDs N Output voltage V LED+ to LED– Maximum output current, I 0.55 Maximum Output Power, P PWM dimming frequency f Systems Characteristics...
  • Page 12: Startup Waveforms

    VLED2+ Figure 4. Softstart waveforms for CHxSS3:0 = 7 Figure 5. Softstart waveforms for CHxSS3:0 = 31 TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery SLUUC13A – May 2019 – Revised August 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 13: Pwm Dimming

    PWM Dimming Figure 6 shows PWM dimming of the two boost and boost-to-battery channels of the TPS92682EVM-070. The I is programmed to its maximum value. A string of 12×LEDs connected to the output of the boost and 6×LEDs to the output of the boost-to-battery channels. When internal PWM dimming counter is used, the two channels, by default, have 180 phase-shift.
  • Page 14: Emi Scan

    VIN = 12 V, FMMAG = 1, FMFREQ = 5 Figure 10. CC Boost Conducted EMI Scan Figure 11. CC Boost-to-Battery Conducted EMI Scan TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery SLUUC13A – May 2019 – Revised August 2019 Submit Documentation Feedback...
  • Page 15: Schematic, Pcb Layout, And Bill Of Materials

    Schematic, PCB Layout, and Bill of Materials www.ti.com Schematic, PCB Layout, and Bill of Materials This section contains TPS92682EVM-70 schematics, PCB layouts, and bill of materials (BOM). Schematic Figure 12 illustrates the TPS92682EVM-70 schematic. DNP DNP Figure 12. TPS92682EVM-70 Schematic SLUUC13A –...
  • Page 16: Layout

    Figure 17 illustrate the assembly, the top, the inner-layer1, the inner-layer2 and the bottom side of the TPS92682EVM-70 PCB layout. The Inner-layer 1 is a ground plane and there is no routing on this layer. SSN0 Figure 13. TPS92682EVM-70 Assembly Figure 14.
  • Page 17: Tps92682Evm-70 Inner-Layer

    Schematic, PCB Layout, and Bill of Materials www.ti.com Figure 15. TPS92682EVM-70 Inner-layer 1 Figure 16. TPS92682EVM-70 Inner-layer 2 SLUUC13A – May 2019 – Revised August 2019 TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 18: Tps92682Evm-70 Bottom Layer (Bottom View)

    Schematic, PCB Layout, and Bill of Materials www.ti.com Figure 17. TPS92682EVM-70 Bottom Layer (Bottom View) TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery SLUUC13A – May 2019 – Revised August 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 19: Bill Of Materials

    Receptacle, 2.5 mm, Gold, R/A, TH 10x2 SSW-110-02-G-D-RA Samtec J10, J11 Header (shrouded), 100 mil, Gold, TH 10x2 5103309-5 TE Connectivity SLUUC13A – May 2019 – Revised August 2019 TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 20 Schematic, PCB Layout, and Bill of Materials www.ti.com Table 5. TPS92682EVM-70 Bill of Materials (continued) Designator Quantity Value Description Package Part Number Manufacturer Inductor, Shielded, Composite, 3.3 µH, 8 A, 0.02081 Ω, AEC- 3.3 µH 6.4x3.1x6.6 XAL6030-332MEB Coilcraft Q200 Grade 1, SMD Inductor, Shielded Drum Core, Powdered Iron, 22 uH, 4.1 A,...
  • Page 21 Schematic, PCB Layout, and Bill of Materials www.ti.com Table 5. TPS92682EVM-70 Bill of Materials (continued) Designator Quantity Value Description Package Part Number Manufacturer High-Speed, Low-Power, Robust EMC Quad-Channel Digital Texas DBQ0016A ISO7740DBQ Isolator, DBQ0016A (SSOP-16) Instruments High Speed, Robust EMC Quad-Channel Digital Isolators,...
  • Page 22: Software

    Figure Figure 18. Setup Screen 1 Click Next > to install. TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery SLUUC13A – May 2019 – Revised August 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 23: Setup Screen

    Select Full Install and click Next > to install the evaluation software, the UniFlash, and the required XDS drivers. Full installation for both Windows 10 and 7 are provided. SLUUC13A – May 2019 – Revised August 2019 TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 24: Setup Screen

    XDS driver installation. Figure 22. Setup Screen 5 A window appears indicating the completion of the .NET Framework installation. TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery SLUUC13A – May 2019 – Revised August 2019 Submit Documentation Feedback...
  • Page 25: Setup Screen

    Click Next > to continue the installation. Figure 24. Setup Screen 7 Click Next > to install the XDS driver. SLUUC13A – May 2019 – Revised August 2019 TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 26: Setup Screen

    Figure 27 Figure 28 click Next > to perform the installation. Figure 26. Setup Screen 9 TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery SLUUC13A – May 2019 – Revised August 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 27: Setup Screen

    In the next few windows click Next >, and if prompted by Windows Security about software installation as shown in Figure 29, select Install. SLUUC13A – May 2019 – Revised August 2019 TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 28: Setup Screen

    Figure Figure 32 Figure 33 click Next > to start the installation. TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery SLUUC13A – May 2019 – Revised August 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 29: Setup Screen

    Figure 31. Setup Screen 14 Figure 32. Setup Screen 15 Figure 33. Setup Screen 16 SLUUC13A – May 2019 – Revised August 2019 TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 30: Installation Error Recovery

    Select Recovery. • Click Restart Now under Advanced Startup. • Click Troubleshoot. • Select Advanced Options. TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery SLUUC13A – May 2019 – Revised August 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 31: Programming The Msp-Exp432E401Y Launchpad Board

    37. Connect a jumper between PINs 3 and 4 of the JP1 as shown in Figure SLUUC13A – May 2019 – Revised August 2019 TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 32: Launchpad Connection For Programming

    Figure 38. UniFlash Programming, Step 1 Click Session shown in Figure 38 and select Load Session. TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery SLUUC13A – May 2019 – Revised August 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 33: Uniflash Programming, Step

    Figure 39. UniFlash Programming, Step 2 As shown in Figure 39, navigate to the ":\Texas Instruments\TPS92682 LaunchPad Evaluation Software\uniflash" location and select the msp432e401y.uniflash file. Figure 40. UniFlash Programming, Step 3 Click on the flash image file shown in the red box of Figure 40.
  • Page 34: Uniflash Programming, Step

    Close the UniFlash program, disconnect the Micro-USB from the LaunchPad and connect it to the USB port U7 on the other side of the LaunchPad, as shown in Figure TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery SLUUC13A – May 2019 – Revised August 2019 Submit Documentation Feedback...
  • Page 35: Launchpad Connection For Gui Operation

    Software www.ti.com Figure 43. LaunchPad Connection for GUI Operation SLUUC13A – May 2019 – Revised August 2019 TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 36: Tps92682Evm-70 Power Up And Operation

    Figure 44. LaunchPad Connection to TPS92682EVM-70 Apply power (12 V) to the TPS92682EVM-70 board (terminal J1). Connect LED loads to the outputs of the EVM (terminal J2 and J5). Ensure that the loads are such that the maximum input and output current, maximum output power and maximum output voltage indicated on the EVM are not exceeded.
  • Page 37: Gui Setup Screen

    47. Select 682 for Device Type. Select 0 for Desired Address. Click Add Device. Figure 47. GUI Setup Screen 3 SLUUC13A – May 2019 – Revised August 2019 TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 38: Spi Command

    To write to a register, select the Write check-box. Write the desired data in the Write Data box shown in Figure 49. Click Send to write the data to the associated register address. TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery SLUUC13A – May 2019 – Revised August 2019 Submit Documentation Feedback...
  • Page 39: Gui Devices Window

    Figure 49. SPI Command Window GUI Devices Window In TPS92682EVM-70, channel-1 is configured as a CC mode boost converter and channel-2 as a CC mode boost-to-battery. The settings shown in red in Figure 50 can be used to configure and turn on and regulate the LED current of the two channels.
  • Page 40 PWM DAC value to 1023. 6. By default CHx-Slope is set to code "5", which corresponds to 250 mV of peak slope. For the TPS92682EVM-70, it is recommended to set the slopes for both channels to a code "1” or "2" as shown in...
  • Page 41 The second time the Read Faults button is pushed, the cleared faults will change to green as shown in Figure Figure 53. Fault Status after Pushing the Read Faults Twice SLUUC13A – May 2019 – Revised August 2019 TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 42 Before enabling the channels, make sure to connect LED loads to the outputs of the TPS92682EVM-070. By setting the Channel 1 and Channel 2 Enable check boxes, the two channels are turned on. At this point...
  • Page 43: Revision History

    ........................• Updated Figure 35 ..................... • Updated Figure 39 and Figure 41 ..................... • Updated Figure 48 and Figure 49 SLUUC13A – May 2019 – Revised August 2019 Revision History Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 44 STANDARD TERMS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein.
  • Page 45 www.ti.com Regulatory Notices: 3.1 United States 3.1.1 Notice applicable to EVMs not FCC-Approved: FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and software developers to write software applications for use with the end product.
  • Page 46 www.ti.com Concernant les EVMs avec antennes détachables Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à...
  • Page 47 www.ti.com EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS. 4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling or using the EVM, including without limitation any warning or restriction notices.
  • Page 48 Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2019, Texas Instruments Incorporated...
  • Page 49 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2019, Texas Instruments Incorporated...

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