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UDG−06090

Figure 6-4. TPS40075EVM-001 Layer 2 (X-Ray View from Top)

UDG−06091

Figure 6-5. TPS40075EVM-001 Layer 3 (X-Ray View from Top)

EVM Assembly Drawings and Layout

12

TPS40075 Buck Controller Evaluation Module User's Guide

SLUU254A – DECEMBER 2006 – REVISED JANUARY 2022

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Copyright © 2022 Texas Instruments Incorporated

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Содержание TPS40075EVM

Страница 1: ...est Setup 7 Figure 4 2 Output Ripple Measurement Tip and Barrel using TP15 and TP16 8 Figure 5 1 TPS40075EVM 001 Efficiency Curves 9 Figure 5 2 Line and Load Regulation 9 Figure 6 1 TPS40075EVM 001 Component Placement Viewed from Top 10 Figure 6 2 TPS40075EVM 001 Silkscreen Viewed from Top 11 Figure 6 3 TPS40075EVM 001 Top Copper Viewed from Top 11 Figure 6 4 TPS40075EVM 001 Layer 2 X Ray View fro...

Страница 2: ...0075EVM 001 has been built to the sample application used in the TPS40075 Midrange Input Synchronous Buck Controller with Voltage Feedforward Data Sheet except the switching frequency has been lowered to 400 kHz to reduce switching losses in the Power FETs and the RKFF resistor R10 increased to maintain the UVLO level 1 2 Applications Non isolated medium current point of load and low voltage bus c...

Страница 3: ...4 V IOUT 5 A 1 Load regulation 10 V IOUT 15 A VIN 12 V 1 Output voltage ripple VIN 14 V IOUT 15 A 25 50 mVpp Output load current 0 15 A Output over current 23 A SYSTEM CHARACTERISTICS Switching frequency 360 400 440 kHz Peak efficiency VOUT 1 5 V 8 A IOUT 12 A V12V_IN 10 V 87 V12V_IN 12 V 85 V12V_IN 14 V 83 Full load efficiency VOUT 1 5 V IOUT 15 A V12V_IN 10 V 84 V12V_IN 12 V 83 V12V_IN 14 V 81 w...

Страница 4: ...e Control Schematic Reference Only See Table 3 for Specific Values Schematic www ti com 4 TPS40075 Buck Controller Evaluation Module User s Guide SLUU254A DECEMBER 2006 REVISED JANUARY 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Страница 5: ...ons When remote sense is connected the output voltage measured between TP15 and TP16 can show a positive load regulation characteristic increasing output voltage with increasing load This is the result of the compensation of the controller of resistive losses between the local sense voltage TP15 and TP16 and the remote sense connection J3 TP17 and TP18 are connected to the remote sense lines and t...

Страница 6: ...eet 2 feet input 2 feet return 4 1 4 2 J2 to LOAD1 Power The power connection between J2 of HPA187 and LOAD1 can carry as much as 15 ADC The minimum recommended wire size is 2 AWG 16 with the total length of wire less than four feet 2 feet output 2 feet return 4 1 4 3 J3 to LOAD1 Remote Sense If remote sense is used the remote sense connection between J3 of HPA187 and LOAD1 can carry less than 1 A...

Страница 7: ...maximum Make sure V12V_IN is initially set to 0 V and connected as shown in Figure 4 1 3 Connect the ammeter A1 0 A to 5 A range between V12V_IN and J1 as shown in Figure 4 1 4 Connect voltmeter V1 to TP1 and TP2 as shown in Figure 4 1 5 Connect LOAD1 to J2 as shown in Figure 3 1 Set LOAD1 to constant current mode to sink 0 ADC before V12V_IN is applied 6 Connect voltmeter V2 across TP17 and TP18 ...

Страница 8: ... from 10 VDC to 14 VDC 4 Short TP21 to TP19 to disable switching and tri state output 5 Remove TP21 to TP19 short to enable output 6 Decrease LOAD1 to 0 A 7 Decrease V12V_IN to 0 V 4 4 Equipment Shutdown 1 Shut down the oscilloscope 2 Shut down LOAD1 3 Shut down V12V_IN 4 Shut down FAN Test Setup www ti com 8 TPS40075 Buck Controller Evaluation Module User s Guide SLUU254A DECEMBER 2006 REVISED JA...

Страница 9: ...d Current A VIN 10 V VIN 14 V VIN 12 V 10 V V12V_IN 14 V V1V5_OUT 1 5 V 0 A I1V5_OUT 15 A LOAD CURRENT vs EFFICIENCY VIN Figure 5 1 TPS40075EVM 001 Efficiency Curves 8V 12 V 14 V VIN 0 2 4 6 8 10 12 14 16 1 530 1 500 1 505 1 510 1 515 1 520 1 525 VIN 8 V VIN 14 V VIN 12 V V OUT Output Voltage V IL Load Current A LOAD CURRENT vs OUTPUT VOLTAGE Figure 5 2 Line and Load Regulation www ti com TPS40075...

Страница 10: ...valuate the TPS40075 control device in a practical application Moving components to both sides of the PCB or using additional internal layers can offer additional size reduction for space constrained systems UDG 06087 Figure 6 1 TPS40075EVM 001 Component Placement Viewed from Top EVM Assembly Drawings and Layout www ti com 10 TPS40075 Buck Controller Evaluation Module User s Guide SLUU254A DECEMBE...

Страница 11: ...9 Figure 6 3 TPS40075EVM 001 Top Copper Viewed from Top www ti com EVM Assembly Drawings and Layout SLUU254A DECEMBER 2006 REVISED JANUARY 2022 Submit Document Feedback TPS40075 Buck Controller Evaluation Module User s Guide 11 Copyright 2022 Texas Instruments Incorporated ...

Страница 12: ...1 Figure 6 5 TPS40075EVM 001 Layer 3 X Ray View from Top EVM Assembly Drawings and Layout www ti com 12 TPS40075 Buck Controller Evaluation Module User s Guide SLUU254A DECEMBER 2006 REVISED JANUARY 2022 Submit Document Feedback Copyright 2022 Texas Instruments Incorporated ...

Страница 13: ... Copper X Ray View from Top www ti com EVM Assembly Drawings and Layout SLUU254A DECEMBER 2006 REVISED JANUARY 2022 Submit Document Feedback TPS40075 Buck Controller Evaluation Module User s Guide 13 Copyright 2022 Texas Instruments Incorporated ...

Страница 14: ...l 25 V 118 A 4 1 mΩ LFPAK Philips PH2625L 1 Q3 MOSFET N channel 25 V 118 A 4 1 mΩ 1 R1 Resistor chip 0 Ω jumper 1 10 W 5 0805 Std Std 1 R2 Resistor chip 806 Ω 1 16 W 1 0603 Std Std 2 R3 R9 R17 Resistor chip 10 kΩ 1 16 W 1 0603 Std Std 1 R4 Resistor Chip 4 42 kΩ 1 16 W 1 0603 Std Std 1 R5 R18 Resistor Chip 105 kΩ 1 16 W 1 0603 Std Std 1 R6 Resistor chip 9 53 kΩ 1 16 W 1 0603 Std Std 1 R7 Resistor c...

Страница 15: ...for previous revisions may differ from page numbers in the current version Changes from Revision December 2006 to Revision A January 2022 Page Updated the numbering format for tables figures and cross references throughout the document 2 Updated the user s guide title 2 www ti com Revision History SLUU254A DECEMBER 2006 REVISED JANUARY 2022 Submit Document Feedback TPS40075 Buck Controller Evaluat...

Страница 16: ...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...

Страница 17: ... 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...

Страница 18: ...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...

Страница 19: ... 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...

Страница 20: ...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...

Страница 21: ...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...

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