Texas Instruments DRV2700EVM-HV500 User Manual Download Page 29

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6.

Disclaimers:

6.1 EXCEPT AS SET FORTH ABOVE, EVMS AND ANY WRITTEN DESIGN MATERIALS PROVIDED WITH THE EVM (AND THE

DESIGN OF THE EVM ITSELF) ARE PROVIDED "AS IS" AND "WITH ALL FAULTS." TI DISCLAIMS ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, REGARDING SUCH ITEMS, INCLUDING BUT NOT LIMITED TO ANY IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF ANY
THIRD PARTY PATENTS, COPYRIGHTS, TRADE SECRETS OR OTHER INTELLECTUAL PROPERTY RIGHTS.

6.2 EXCEPT FOR THE LIMITED RIGHT TO USE THE EVM SET FORTH HEREIN, NOTHING IN THESE TERMS AND

CONDITIONS SHALL BE CONSTRUED AS GRANTING OR CONFERRING ANY RIGHTS BY LICENSE, PATENT, OR ANY
OTHER INDUSTRIAL OR INTELLECTUAL PROPERTY RIGHT OF TI, ITS SUPPLIERS/LICENSORS OR ANY OTHER THIRD
PARTY, TO USE THE EVM IN ANY FINISHED END-USER OR READY-TO-USE FINAL PRODUCT, OR FOR ANY
INVENTION, DISCOVERY OR IMPROVEMENT MADE, CONCEIVED OR ACQUIRED PRIOR TO OR AFTER DELIVERY OF
THE EVM.

7.

USER'S INDEMNITY OBLIGATIONS AND REPRESENTATIONS.

USER WILL DEFEND, INDEMNIFY AND HOLD TI, ITS

LICENSORS AND THEIR REPRESENTATIVES HARMLESS FROM AND AGAINST ANY AND ALL CLAIMS, DAMAGES, LOSSES,
EXPENSES, COSTS AND LIABILITIES (COLLECTIVELY, "CLAIMS") ARISING OUT OF OR IN CONNECTION WITH ANY
HANDLING OR USE OF THE EVM THAT IS NOT IN ACCORDANCE WITH THESE TERMS AND CONDITIONS. THIS OBLIGATION
SHALL APPLY WHETHER CLAIMS ARISE UNDER STATUTE, REGULATION, OR THE LAW OF TORT, CONTRACT OR ANY
OTHER LEGAL THEORY, AND EVEN IF THE EVM FAILS TO PERFORM AS DESCRIBED OR EXPECTED.

8.

Limitations on Damages and Liability:

8.1

General Limitations

. IN NO EVENT SHALL TI BE LIABLE FOR ANY SPECIAL, COLLATERAL, INDIRECT, PUNITIVE,

INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES IN CONNECTION WITH OR ARISING OUT OF THESE
TERMS ANDCONDITIONS OR THE USE OF THE EVMS PROVIDED HEREUNDER, REGARDLESS OF WHETHER TI HAS
BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. EXCLUDED DAMAGES INCLUDE, BUT ARE NOT LIMITED
TO, COST OF REMOVAL OR REINSTALLATION, ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES, RETESTING, OUTSIDE COMPUTER TIME, LABOR COSTS, LOSS OF GOODWILL, LOSS OF PROFITS,
LOSS OF SAVINGS, LOSS OF USE, LOSS OF DATA, OR BUSINESS INTERRUPTION. NO CLAIM, SUIT OR ACTION SHALL
BE BROUGHT AGAINST TI MORE THAN ONE YEAR AFTER THE RELATED CAUSE OF ACTION HAS OCCURRED.

8.2

Specific Limitations.

IN NO EVENT SHALL TI'S AGGREGATE LIABILITY FROM ANY WARRANTY OR OTHER OBLIGATION

ARISING OUT OF OR IN CONNECTION WITH THESE TERMS AND CONDITIONS, OR ANY USE OF ANY TI EVM
PROVIDED HEREUNDER, EXCEED THE TOTAL AMOUNT PAID TO TI FOR THE PARTICULAR UNITS SOLD UNDER
THESE TERMS AND CONDITIONS WITH RESPECT TO WHICH LOSSES OR DAMAGES ARE CLAIMED. THE EXISTENCE
OF MORE THAN ONE CLAIM AGAINST THE PARTICULAR UNITS SOLD TO USER UNDER THESE TERMS AND
CONDITIONS SHALL NOT ENLARGE OR EXTEND THIS LIMIT.

9.

Return Policy.

Except as otherwise provided, TI does not offer any refunds, returns, or exchanges. Furthermore, no return of EVM(s)

will be accepted if the package has been opened and no return of the EVM(s) will be accepted if they are damaged or otherwise not in
a resalable condition. If User feels it has been incorrectly charged for the EVM(s) it ordered or that delivery violates the applicable
order, User should contact TI. All refunds will be made in full within thirty (30) working days from the return of the components(s),
excluding any postage or packaging costs.

10.

Governing Law:

These terms and conditions shall be governed by and interpreted in accordance with the laws of the State of Texas,

without reference to conflict-of-laws principles. User agrees that non-exclusive jurisdiction for any dispute arising out of or relating to
these terms and conditions lies within courts located in the State of Texas and consents to venue in Dallas County, Texas.
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 © 2015, Texas Instruments Incorporated

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Summary of Contents for DRV2700EVM-HV500

Page 1: ...all around use and can be used not only for evaluation but can also be used for prototyping into systems for driving piezo actuators polymers valves and many other applications The EVM also contains a...

Page 2: ...2 Pulldown Network 17 7 Input Filter 19 7 1 First Order Filter 19 7 2 Integrator 19 8 Reference 20 8 1 Schematic 20 8 2 PCB Layout 21 8 3 Bill of Materials 22 List of Figures 1 Board Diagram 6 2 Powe...

Page 3: ...rization from U S Department of Commerce and other competent Government authorities to the extent required by those laws This provision shall survive termination or expiration of this Agreement Accord...

Page 4: ...OLTAGE Danger High Voltage Electric shock possible when connecting board to live wire Board should be handled with care by a professional For safety use of isolated test equipment with overvoltage ove...

Page 5: ...ccess d All interface circuits power supplies evaluation modules instruments meters scopes and other related apparatus used in a development environment exceeding 50Vrms 75VDC must be electrically loc...

Page 6: ...er up The MSP430 has each of these control settings low which disables the DRV2700 by default Figure 1 shows the basic board diagram of the DRV2700EVM HV500 Table 2 shows the original configuration of...

Page 7: ...cted to either power supply JP4 DRV VIN 1 DRV2700 connected to VIN power supply USB 1 X DRV2700 connected to USB power supply Open EN pulled internally to GND through DRV2700 internal resistance JP3 E...

Page 8: ...from a standard USB port on a computer USB charger or USB battery pack This input is intended for ease of use and can be routed to power all circuitry on the EVM Additionally this input has a 5 V LED...

Page 9: ...level high 2 5 Inputs The analog input TP1 is used for PWM and analog inputs See PWM and Analog Inputs for more information 2 6 Outputs The DRV2700EVM HV500 has a high voltage output ranging from 0 5...

Page 10: ...ontrol Software GUI By default the DRV2700EVM HV500 can be controlled programmatically through the GUI Interface Figure 4 is a screenshot of the GUI Run the GUI by downloading it from the DRV2700EVM H...

Page 11: ...his will cause the output to try and reflect the PWM signal coming from the microcontroller and the output will try to be a square wave The AC Mode Quick Launch frequency button will set the frequency...

Page 12: ...ize switching losses and therefore increase efficiency A hysteretic controller is a self oscillation circuit that regulates the output voltage by keeping the output voltage within a hysteresis window...

Page 13: ...e resistance of RFB1 and RFB2 be between 500 k and 1 M The capacitors are needed in the feedback network to increase the performance at low and high frequencies Because the charge storage is inversely...

Page 14: ...ill increase the parasitic inductor losses Another factor to consider for transformers is the winding ratio In general if a 200 V output is desired then because the SW node can boost up to 100 V a tra...

Page 15: ...ge the PWM signal will be attenuated but it will still somewhat reflect a PWM signal This mode can be used for audio tones however the output may not be able to drive to full scale depending on the lo...

Page 16: ...the middle header of JP3 3 Connect the analog input signal to TP1 INPUT Note the default input range is from 0 3 3 V same as PWM signal Therefore if a voltage divider is needed R21 and R2 can be chan...

Page 17: ...Additionally placing a resistor in series with this FET on the source side to limit the current going through the FET is recommended This resistor can be sized according to the maximum current allowed...

Page 18: ...feedback network will be changed so this reference will become higher than VREXT and therefore turn on the output FET Figure 14 Pulldown Network Figure 15 and Figure 16 show the different discharge ti...

Page 19: ...ions The filter can be modified by the user however be sure that the 3 dB point is no higher than 5 kHz See scopeshots in Section 3 for example waveforms 7 1 First Order Filter In order to attenuate t...

Page 20: ...6 SW 7 SW 8 NC 9 VBST 10 VBST 11 PVDD 12 OUT 13 OUT 14 REXT 15 IN 16 IN 17 GAIN0 18 GAIN1 19 EN 20 PAD 21 U2 DRV2700RGP GND 0 1 F C3 GND 0 1uF C9 GND GND Green D3 511 R13 EN 3 3k R7 GND 1 2 3 JP3 VRES...

Page 21: ...shows the DRV2700EVM HV500 PCB layout Figure 19 Top and Bottom Layers 21 SLOU407A April 2015 Revised May 2015 DRV2700EVM HV500 High Voltage Piezo Driver Evaluation Kit Submit Documentation Feedback C...

Page 22: ...rata 0402 C19 1 6800pF CAP CERM 6800 pF 25 V 10 X7R 0402 GRM155R71E682KA01D Murata 0402 C20 C24 C26 3 0 1uF CAP CERM 0 1uF 6 3V 10 X5R 0402 0402 C1005X5R0J104K TDK C21 1 8200pF CAP CERM 8200 pF 16 V 1...

Page 23: ...210K0JNED Vishay Dale R16 R17 2 33 RES 33 ohm 5 0 063W 0402 0402 CRCW040233R0JNED Vishay Dale R18 1 392 RES 392 1 0 063 W 0402 0402 CRCW0402392RFKED Vishay Dale R19 1 9 76k RES 9 76k ohm 1 0 063W 0402...

Page 24: ...alent None Output 2 to 5 5 V Input with Low IQ 5 pin SC70 DCK 40 to 125 degC Green RoHS no Sb Br U5 1 Mixed Signal MicroController RGZ0048A RGZ0048A MSP430F5510IRGZ Texas Instruments None Y1 1 CRYSTAL...

Page 25: ...to A Revision Page Changed GUI Interface image 10 NOTE Page numbers for previous revisions may differ from page numbers in the current version 25 SLOU407A April 2015 Revised May 2015 Revision History...

Page 26: ...ing the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repa...

Page 27: ...transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indic...

Page 28: ...ified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sens...

Page 29: ...REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE L...

Page 30: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

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