Texas Instruments LM5168FEVM User Manual Download Page 8 | Manualshive

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4 Schematic

Figure 4-1. LM5168FEVM Schematic

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LM5168FEVM EVM User's Guide

SNVU819 – NOVEMBER 2021

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Copyright © 2021 Texas Instruments Incorporated

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Summary of Contents for LM5168FEVM

Page 1: ...range wide duty cycle range integrated high side and low side power MOSFETs advanced overcurrent protection and precision enable With AEC Q100 grade 1 automotive qualification the LM5168F Q1 is rated to operate over a junction temperature range of 40 C to 150 C Table 1 1 EVM Configuration EVM CONVERTER IC PACKAGE LM5168FEVM LM5168F Q1 8 pin SO package with PowerPAD 4 89 mm 3 90 mm Table of Content...

Page 2: ...ure 7 5 Typical Start Up Waveform 13 Figure 7 6 Typical Shutdown Waveform 13 List of Tables Table 1 1 EVM Configuration 1 Table 2 1 LM5168FQEVM Electrical Performance Characteristics 5 Table 6 1 LM5168FEVM Bill of Materials 11 Trademarks PowerPAD is a trademark of Texas Instruments All trademarks are the property of their respective owners Trademarks www ti com 2 LM5168FEVM EVM User s Guide SNVU81...

Page 3: ...nterface electronics are energized indicating operation of accessible high voltages can be present for the purpose of protecting inadvertent access All interface circuits power supplies evaluation modules instruments meters scopes and other related apparatus used in a development environment exceeding 50 VRMS 75 VDC must be electrically located within a protected Emergency Power Off EPO protected ...

Page 4: ...DC supply Please read this user s guide and the safety related documents that come with the EVM package before operating this EVM CAUTION Do not leave the EVM powered when unattended WARNING Hot surface Contact may cause burns Do not touch WARNING High Voltage Electric shock is possible when connecting board to live wire Board should be handled with care by a professional For safety use of isolate...

Page 5: ...IN 48 V IOUT1 0 A 0 25 A Output voltage regulation ΔVOUT1 Load regulation VIN 48 V IOUT1 0 A to 0 25 A IOUT2 0 A 1 mV Output voltage regulation ΔVOUT2 Load regulation VIN 48 V IOUT1 0 A to 0 25 A IOUT2 0 A 200 Output voltage regulation ΔVOUT1 Load regulation VIN 48 V IOUT2 0 A to 0 25 A IOUT1 0 A 7 Output voltage regulation ΔVOUT2 Load regulation VIN 48 V IOUT2 0 A to 0 25 A IOUT1 0 A 1000 Output ...

Page 6: ...the LM516x Q1 0 65 0 3 A 120 V Step Down Converter w Fly Buck Converter Capability Data Sheet for more information An overall view of the LM516FEVM and the schematic are shown in Figure 3 1 and Figure 4 1 respectively 3 1 Quick Start Procedure 1 Connect the input voltage supply to the VIN connector and 2 Connect the load or loads to the VOUT and the VOUT2 connectors and 3 Set the input supply volt...

Page 7: ...t EMI filter is provided on the EVM Note L2 and C18 are not populated and must be installed for the EMI filter to operate Also note that the maximum input voltage to the filter is 100 VDC EN UVLO Jumper Set EN UVLO pin options Use this jumper to enable disable the EVM The resistors connected to this pin set the input UVLO thresholds Input UVLO thresholds are set to approximately 6 V and 5 6 V Thes...

Page 8: ...4 Schematic Figure 4 1 LM5168FEVM Schematic Schematic www ti com 8 LM5168FEVM EVM User s Guide SNVU819 NOVEMBER 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Page 9: ...mance The PCB consists of a 4 layer design There are 2 oz copper planes on the top and bottom and 1 oz copper mid layer planes to dissipate heat with an array of thermal vias under the thermal pad to connect to all four layers Figure 5 1 Top Layer Figure 5 2 Mid Layer 1 Ground Plane www ti com PCB Layout SNVU819 NOVEMBER 2021 Submit Document Feedback LM5168FEVM EVM User s Guide 9 Copyright 2021 Te...

Page 10: ...Figure 5 3 Mid Layer 2 Routing Figure 5 4 Bottom Layer PCB Layout www ti com 10 LM5168FEVM EVM User s Guide SNVU819 NOVEMBER 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Page 11: ...C0603FR 07118KL Yageo R5 1 RES 1 00 M 1 0 1 W 0603 RC0603FR 071ML Yageo R6 1 RES 453 k 1 0 1 W 0603 RC0603FR 07453KL Yageo R7 1 RES 332 k 1 0 1 W 0603 RC0603FR 07332KL Yageo R8 1 RES 33 2 k 1 0 1 W 0603 RC0603FR 0733K2L Yageo R9 1 RES 61 9 k 1 0 1 W 0603 RC0603FR 0761K9L Yageo R10 1 RES 100 k 1 0 1 W 0402 ERJ 2RKF1003X Panasonic R11 1 RES 1 00 k 1 0 125 W AEC Q200 Grade 0 0805 CRCW08051K00FKEA Vis...

Page 12: ...elded Drum Core Ferrite 15 μH 1 8 A 0 05 Ω AEC Q200 Grade 1 SMD MSS7341T 153MLB Coilcraft R1 0 RES 1 0 5 0 1 W AEC Q200 Grade 0 0603 CRCW06031R00JNEA Vishay Dale R3 0 RES 0 2 1 1 W 2010 CSRN2010FKR200 Stackpole Electronics Inc Bill of Materials www ti com 12 LM5168FEVM EVM User s Guide SNVU819 NOVEMBER 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated ...

Page 13: ...rrent A Primary Output Voltage V Secondary Output Voltage V 0 0 05 0 1 0 15 0 2 0 25 10 155 9 2 10 156 9 3 10 157 9 4 10 158 9 5 10 159 9 6 10 16 9 7 10 161 9 8 10 162 9 9 10 163 10 10 164 10 1 10 165 10 2 Primary Output Secondary Output IOUT1 0 A VIN 48 V Figure 7 3 Load Regulation 20V div 1µs div 0 IOUT 0 A VIN 48 V Figure 7 4 Typical Switching Waveform 800µs div Primary Output 5V div Secondary ...

Page 14: ...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 15: ... 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 16: ...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 17: ... 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 18: ...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 19: ...o 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 and you will fully indemn...

Page 20: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments LM5168FEVM ...

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