Texas Instruments LMG3411EVM-029 User Manual Download Page 8 | Manualshive

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8

SNVU637 – October 2018

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Copyright © 2018, Texas Instruments Incorporated

Using the LMG3411EVM-029 Half-Bridge and LMG34XX-BB-EVM Breakout
Board EVM

3

Schematic

Figure 3. LMG3411EVM-029 Schematic

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Summary of Contents for LMG3411EVM-029

Page 1: ...re 14 6 Typical Characteristics 15 7 EVM Assembly Drawing and PCB Layout 17 8 Bill of Materials 18 List of Figures 1 Simplified LMG3411EVM 029 Schematic 5 2 Front and Back Side Photos of LMG3411EVM 029 6 3 LMG3411EVM 029 Schematic 8 4 Recommended Footprint for LMG3411EVM 029 9 5 LMG34XX BB EVM Schematic 10 6 LMG3411EVM 029 Connected with LMG34XX BB EVM 11 7 Recommended Connection Points 12 8 Recom...

Page 2: ... by Texas Instruments If you are not suitably qualified you should immediately stop from further use of the HV EVM Work Area Safety Maintain a clean and orderly work area Qualified observer s must be present anytime circuits are energized Effective barriers and signage must be present in the area where the TI HV EVM and its interface electronics are energized indicating operation of accessible hig...

Page 3: ...t to be used as all or part of a production unit Safety and Precautions The EVM is designed for professionals who have received the appropriate technical training and is designed to operate from an AC power supply or a high voltage DC supply Please read this user guide and the safety related documents that come with the EVM package before operating this EVM CAUTION Do not leave the EVM powered whe...

Page 4: ...c Pin Function Description Pin Description AGND Logic and bias power ground return pin Functionally isolated from PGND 12V Auxiliary power input for when the LMG3410 HB EVM is configured in bootstrap mode Pin is not used when configured in isolated power mode 5V Auxiliary power input for the LMG3410 HB EVM Used to power logic isolators Used as input bias power of LMG3410 devices when configured in...

Page 5: ...es are level shifted to AGND where they are logic AND connected to the FAULT pin CAUTION Please do NOT ignore FAULT signal when using LMG3411EVM 029 Turn off both top and bottom devices if any device is generating FAULT signal The device under fault condition may operate in undesired 3rd quadrant mode and may be over heated and damaged due to the high source drain voltage drop if the other device ...

Page 6: ...al interface material TIM is required Bergquist BP100 0 005 00 1112 double sided adhesive tape TIM and Cool Innovations 3 101004U heat sink are recommended Figure 2 Front and Back Side Photos of LMG3411EVM 029 2 2 LMG34XX BB EVM To allow for quick operation the LMG34XX BB EVM is available to interface with the LMG3411EVM 029 This mother board is designed to operate the LMG3411R070 as a synchronous...

Page 7: ...ther LMG3410 has an active fault regardless of the position of FAULT Protect jumper 2 3 Typical Applications The LMG3411EVM 029 is designed for use in AC DC DC DC and DC AC applications Totem Pole PFC converters Phase Shifted Full Bridge or LLC Converter Buck converter such as the LMG34XX BB EVM 2 4 Features The LMG3411EVM 029 has the following features and specifications Two options to bias the L...

Page 8: ...m 8 SNVU637 October 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated Using the LMG3411EVM 029 Half Bridge and LMG34XX BB EVM Breakout Board EVM 3 Schematic Figure 3 LMG3411EVM 029 Schematic ...

Page 9: ...9 SNVU637 October 2018 Submit Documentation Feedback Copyright 2018 Texas Instruments Incorporated Using the LMG3411EVM 029 Half Bridge and LMG34XX BB EVM Breakout Board EVM Figure 4 Recommended Footprint for LMG3411EVM 029 ...

Page 10: ...16 1µF C18 AGND 1µF C20 LOW_2 HIGH_2 HIGH_2 LOW_2 5 4 1 2 3 6 J4 TSW 106 07 G S 1µF C8 VAUX ACMGND 1 2 3 4 5 6 J2 0448120024 AGND1 AGND4 5V AGND 3 4 5 2 U1B SN74LVC2G14DCKR AGND3 0 R23 0 R21 IN 1 OUT 3 GND 2 TAB 4 U4 LM2940IMP 5 0 NOPB 33µF C19 10µF C21 12V 12V 12V Green 1 2 D4 Red 1 2 D3 1 6k R6 1 6k R8 30k R10 30k R16 30k R11 30k R17 30k R18 30k R12 30k R13 30k R19 30k R20 30k R14 1 2 3 J7 TSW 1...

Page 11: ...perate the LMG3411EVM 029 and LMG34XX BB EVM with a switching frequency between 50 kHz to 200 kHz Oscilloscope Capable of at least 200 MHz operation A 1 GHz or greater oscilloscope and probes with short ground springs are recommended for accurate measurements DC Multimeter s Capable of 600 V measurement suitable for determining operation and efficiency if desired DC Load Capable of 600 V operation...

Page 12: ... stage high voltage input Probe point for power stage switch node Power stage high voltage output WARNING There are very high voltages present on the EVM Some components reach temperatures above 50 C Precautions must be taken when handling the board 4 3 List of Test Points Key test points on this EVM have been designed for use with oscilloscope probes with short ground springs Using the short grou...

Page 13: ...ground for logic HDEAD1 High side PWM signal before dead time generation AGND4 Analog ground for logic LOW Low side PWM signal with dead time HIGH High side PWM signal with dead time AGND2 Analog ground for logic 12V 12 V bias after filter PGND1 Power ground HVIN DC input voltage PGND2 Power ground HVOUT DC output voltage PGND3 Power ground SW1 Switch node voltage 4 4 List of Terminals Table 4 Lis...

Page 14: ...the LMG3411EVM 029 5 2 Startup and Operating Procedure The following procedure is recommended to enable the LMG34XX BB EVM with the LMG3411EVM 029 1 Power up the 12 V bias supply Ensure the top right green Aux Enable LED is illuminated 2 Enable PWM on the function generator 3 Power up high voltage input supply Ensure the red HV Enable LED is illuminated when the input supply is above 20 V WARNING ...

Page 15: ...n Feedback Copyright 2018 Texas Instruments Incorporated Using the LMG3411EVM 029 Half Bridge and LMG34XX BB EVM Breakout Board EVM 6 Typical Characteristics Figure 8 Recommended Probe Connection for Logic Signals Figure 9 Recommended Probe Connection for High Voltage Switch Node ...

Page 16: ...Half Bridge and LMG34XX BB EVM Breakout Board EVM Figure 10 Recommended Configuration for Heat Sink and Fan Figure 11 Switching Waveforms with 480V input 100kHz 30 duty cycle 6A output Figure 12 Low to High Transition Waveform with 480V input 100kHz 30 duty cycle 6A output Figure 13 High to Low Transition Waveform with 480V input 100kHz 30 duty cycle 6A output ...

Page 17: ...ridge and LMG34XX BB EVM Breakout Board EVM 7 EVM Assembly Drawing and PCB Layout Figure 14 LMG3411EVM 029 Top Layer and Components Figure 15 LMG3411EVM 029 Inner Copper Layer 1 Figure 16 LMG3411EVM 029 Inner Copper Layer 2 Figure 17 LMG3411EVM 029 Bottom Layer and Components Figure 18 LMG34XX BB EVM Top Layer and Components Figure 19 LMG34XX BB EVM Bottom Layer and Components ...

Page 18: ...chottky 20 V 0 5 A SOD 123 MBR0520LT1G ON Semiconductor 2 D4 D5 Diode Zener 16 V 500 mW SOD 123 MMSZ4703T1G ON Semiconductor 1 H2 Cool Innovations Heat sink 1 00 x1 00 3 101004U Cool Innovations 1 J1 Header 2 54mm 6x1 Gold R A TH 90121 0766 Molex 2 L1 L2 Inductor Wirewound 22 µH 0 49 A 0 56 ohm SMD BRC2518T220K Taiyo Yuden 2 L3 L4 Coupled inductor 0 2 A 0 45 ohm SMD ACM2520 601 2P T002 TDK 2 Q1 Q2...

Page 19: ...ontinued QTY DESIGNATOR DESCRIPTION PART NUMBER MANUFACTURER 1 U2 Single 2 Input Positive AND Gate DBV0005A SN74AHC1G08DBVR Texas Instruments 0 D1 Diode Ultrafast 600 V 1 A SOD 123FL UFM15PL TP Micro Commercial Components 0 FID1 FID2 FID3 FID4 FID5 FID6 Fiducial mark There is nothing to buy or mount N A N A 0 R2 RES 20 5 0 1 W AEC Q200 Grade 0 0603 CRCW060320R0JNEA Vishay Dale 0 R7 RES 0 5 1 W AEC...

Page 20: ...ine Screw Round 4 40 x 1 4 Nylon Philips panhead NY PMS 440 0025 PH B and F Fastener Supply 6 H5 H6 H7 H8 H11 H12 Standoff Hex 0 5 L 4 40 Nylon 1902C Keystone 2 J1 J5 Terminal Block 2x1 5 08mm TH 282841 2 TE Connectivity 1 J2 Receptacle 2 54mm 6x1 Gold TH 448120024 Molex 1 J3 Connector TH BNC 112404 Amphenol Connex 1 J4 Header 100mil 6x1 Gold TH TSW 106 07 G S Samtec 1 J6 Terminal Block 2x1 2 54mm...

Page 21: ...y set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during 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 repair such EVM or provide replacements Repaired EVMs shall be warr...

Page 22: ...the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain greater than the maximum gain indicated for that type are strictly prohibited for use with this device Concernant les EVMs avec antennes détachables Conformément à la réglementation d Industrie Canada le présent émetteur radio peut fo...

Page 23: ...ed loads Any loads applied outside of the specified output range may also result in unintended and or inaccurate operation and or possible permanent damage to the EVM and or interface electronics Please consult the EVM user guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even ...

Page 24: ...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 TWELVE 12 MONTHS AFTER THE EVENT THAT GAVE RISE TO THE CAUSE OF ACTION HAS OCCURRED 8 2 Specif...

Page 25: ...se resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and display of these resources is prohibited No license is granted to any other TI intellectual property right or to any third party intellectual property right TI disclaims responsibility for...

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