Texas Instruments LMG341-EVM-018 User Manual Download Page 8 | Manualshive

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Schematic

8

SNOU165A – September 2018 – Revised March 2019

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Copyright © 2018–2019, Texas Instruments Incorporated

Using the LMG341xEVM-018 half-bridge and LMG34XX-BB-EVM breakout
board EVM

3

Schematic

Figure 4. LMG3410EVM-018 Schematic

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Summary of Contents for LMG341-EVM-018

Page 1: ...4 Test Setup 11 5 Test Procedure 14 6 Typical Characteristics 15 7 EVM Assembly Drawing and PCB Layout 16 8 Bill of Materials 18 List of Figures 1 Simplified LMG341xEVM 018 Schematic 5 2 Top Side View of LMG341xEVM 018 6 3 Back Side View of LMG341xEVM 018 6 4 LMG3410EVM 018 Schematic 8 5 Recommended Footprint for LMG341xEVM 018 9 6 LMG34XX BB EVM Schematic 10 7 LMG3410EVM 018 Connected with LMG34X...

Page 2: ...plication are strictly prohibited 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 indic...

Page 3: ...e EVMs are not 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 EV...

Page 4: ...1 Logic Pin Function Description Pin Description AGND Logic and bias power ground return pin Functionally isolated from PGND 12V Auxiliary power input for when the LMG341xEVM 018 is configured in bootstrap mode Pin is not used when configured in isolated power mode 5V Auxiliary power input for the LMG341xEVM 018 Used to power logic isolators Used as input bias power of LMG341xR050 devices when con...

Page 5: ...ed to AGND where they are logic AND connected to the FAULT pin CAUTION Please do NOT ignore FAULT signal when using LMG341xEVM 018 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 is still switching...

Page 6: ...ally isolative thermal interface material TIM is required Please refer to Section 8 for the recommended TIM and mechanical fixture Figure 2 Top Side View of LMG341xEVM 018 Figure 3 Back Side View of LMG341xEVM 018 2 2 LMG34XX BB EVM To allow for quick operation the LMG34XX BB EVM is available to interface with the LMG341xEVM 018 This mother board is designed to operate the LMG341xR050 as a synchro...

Page 7: ...pplications The LMG341xEVM 018 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 LMG341xEVM 018 has the following features and specifications Two options to bias the LMG341x isolated power or from bootstrap diode Over temperature overcurrent and under voltage lock...

Page 8: ...eptember 2018 Revised March 2019 Submit Documentation Feedback Copyright 2018 2019 Texas Instruments Incorporated Using the LMG341xEVM 018 half bridge and LMG34XX BB EVM breakout board EVM 3 Schematic Figure 4 LMG3410EVM 018 Schematic ...

Page 9: ...tember 2018 Revised March 2019 Submit Documentation Feedback Copyright 2018 2019 Texas Instruments Incorporated Using the LMG341xEVM 018 half bridge and LMG34XX BB EVM breakout board EVM Figure 5 Recommended Footprint for LMG341xEVM 018 ...

Page 10: ...D 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 103 07 G S 5V R...

Page 11: ...y in desired operating range It is recommended to operate the LMG341xEVM 018 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 effic...

Page 12: ...s supply input FAULT Protection option header Power 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 pr...

Page 13: ...AGND3 Analog 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 Terminal...

Page 14: ... attached to the LMG341xEVM 018 5 2 Startup and Operating Procedure The following procedure is recommended to enable the LMG34XX BB EVM with the LMG341xEVM 018 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 ...

Page 15: ...ed Using the LMG341xEVM 018 half bridge and LMG34XX BB EVM breakout board EVM 6 Typical Characteristics Figure 9 Recommended Probe Connection for Logic Signals Figure 10 Recommended Probe Connection for High Voltage Switch Node Figure 11 Recommended Configuration for Heatsink and Fan Figure 12 Switching Waveforms with 480V input 100kHz 30 duty cycle 6A output ...

Page 16: ... the LMG341xEVM 018 half bridge and LMG34XX BB EVM breakout board EVM Figure 13 Low to High Transition Waveform with 480V input 100kHz 30 duty cycle 6A output Figure 14 High to Low Transition Waveform with 480V input 100kHz 30 duty cycle 6A output 7 EVM Assembly Drawing and PCB Layout Figure 15 LMG341xEVM 018 Top Layer and Components Figure 16 LMG341xEVM 018 Inner Copper Layer 1 ...

Page 17: ...opyright 2018 2019 Texas Instruments Incorporated Using the LMG341xEVM 018 half bridge and LMG34XX BB EVM breakout board EVM Figure 17 LMG341xEVM 018 Inner Copper Layer 2 Figure 18 LMG341xEVM 018 Bottom Layer and Components Figure 19 LMG34XX BB EVM Top Layer and Components Figure 20 LMG34XX BB EVM Bottom Layer and Components ...

Page 18: ...2 D4 D5 Diode Zener 16 V 500 mW AEC Q101 SOD 123 BZT52C16 7 F Diodes Inc 1 H1 Heat Sink Black Anodized 30 x 30 mm 20 mm high with Push Pin and Spring UBM30 20BP 0N04 Alpha Novatech 2 H2 Mechanical spring 0 8x6 1x11 2SP Alpha Novatech Inc 2 H3 Mechanical push pin PIP3 175x13 2 Alpha Novatech Inc 1 H4 Thermal Interface Material 07 62200 Fuji Polymer Industries 1 J1 Header 2 54mm 6x1 Gold R A TH 9012...

Page 19: ...t Positive AND Gate DBV0005A SOT 23 5 SN74AHC1G08DBVR Texas Instruments 2 U4 U5 Low Noise 1 A 420 kHz Transformer Driver DBV0006A SOT 23 6 SN6505BDBVR Texas Instruments 0 D1 Diode Ultrafast 600 V 1 A SOD 123FL UFM15PL TP Micro Commercial Components 0 FID1 FID2 FID3 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...

Page 20: ...4 H9 H10 Machine 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 Blo...

Page 21: ...ntation Feedback Copyright 2018 2019 Texas Instruments Incorporated Revision History Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current version Changes from Original September 2018 to A Revision Page Updated UG covering both LMG341xR050 4 ...

Page 22: ...other than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control techniques are used to the extent TI deems necessary TI does not test all parameters of each EVM User s claims against TI under this Section 2 are void if User fails to notify TI of any apparent defects...

Page 23: ... These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation...

Page 24: ...y for convenience and should be verified by User 1 Use EVMs in a shielded room or any other test facility as defined in the notification 173 issued by Ministry of Internal Affairs and Communications on March 28 2006 based on Sub section 1 1 of Article 6 of the Ministry s Rule for Enforcement of Radio Law of Japan 2 Use EVMs only after User obtains the license of Test Radio Station as provided in R...

Page 25: ... any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electrical shock hazard User assumes all responsibility and liability for any improper or unsafe handling or use of the EVM by User or its employees affiliates contractors or designees 4 4 User assumes all...

Page 26: ...OR DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM 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...

Page 27: ...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...

Page 28: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments LMG3410EVM 018 LMG3411EVM 018 ...

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