TPS7A1601EVM-046 User's Guide
Contents
1. Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2012 Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries Tl reserve the right to make corrections enhancements improvements and other changes to its semiconductor products and services per JESD46 latest issue and to discontinue any product or service per JESD48 latest issue Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete All semiconductor products also referred to herein as components are sold subject to Tl s terms and conditions of sale supplied at the time of order acknowledgment Tl warrants performance of its components to the specifications applicable at the time of sale in accordance with the warranty in Tl s terms and conditions of sale of semiconductor products Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty Except where mandated by applicable law testing of all parameters of each component is not necessarily performed Tl assumes no liability for applications assistance or the design of Buyers products Buyers are responsible for their products and applications using TI components To minimize the risks associated with Buyers products and applications Buyers should provide adequate design and operating safeguards TI2. concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failures monitor failures and their consequences lessen the likelihood of failures that might cause harm and take appropriate remedial actions Buyer will fully indemnify TI and its representatives against any damages arising out of the use of any TI components in safety critical applications In some cases TI components may be promoted specifically to facilitate safety related applications With such components TI s goal is to help enable customers to design and create their own end product solutions that meet applicable functional safety standards and requirements Nonetheless such components are subject to these terms No Tl components are authorized for use in FDA Class III or similar life critical medical equipment unless authorized officers of the parties have executed a special agreement specifically governing such use Only those TI components which TI has specifically designated as military grade or enhanced plastic are designed and intended for use in military aerospace applications or environments Buyer acknowledges and agrees that any military or aerospace use of TI components which have not been so designated is solely a
3. J4 PECO2SAAN Header Male 2 pin 100mil spacing 0 100 inch x 2 PECO2SAAN Sullins 1 JP1 PECO3SAAN Header Male 3 pin 100mil spacing 0 100 inch x 3 PECO3SAAN Sullins 1 U1 TPS7A1601DGN IC 60 V 5 pA Iq LDO 100mA Linear Regulator HTSSOP TPS7A1601DGN TI 1 TP1 5000 Test Point Red Thru Hole Color Keyed 0 100 x 0 100 inch 5000 Keystone SLVU549 December 2011 TPS7A1601EVM 046 7 Submit Documentation Feedback Copyright 2011 Texas Instruments Incorporated Evaluation Board Kit Important Notice Texas Instruments Tl provides the enclosed product s under the following conditions This evaluation board kit is intended for use for ENGINEERING DEVELOPMENT DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use Persons handling the product s must have electronics training and observe good engineering practice standards As such the goods being provided are not intended to be complete in terms of required design marketing and or manufacturing related protective considerations including product safety and environmental measures typically found in end products that incorporate such semiconductor components or circuit boards This evaluation board kit does not fall within the scope of the European Union directives regarding electromagnetic compatibility restricted substances ROHS recycling WEEE FCC CE or UL and therefore may not meet the technical requirements of thes
4. maximum power dissipation is proportional to the volume of copper volume connected to the package 6 Board Layout SN me Figure 4 Top Layer Silkscreen SLVU549 December 2011 TPS7A1601EVM 046 5 Submit Documentation Feedback Copyright 2011 Texas Instruments Incorporated TA TEXAS INSTRUMENTS Board Layout www ti com Figure 5 Top Layer Routing Figure 6 Bottom Layer Routing 6 TPS7A1601EVM 046 SLVU549 December 2011 Copyright 2011 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Schematic and Bill of Materials 7 Schematic and Bill of Materials 7 1 Schematic D1 Bypass VOUT 5V 100mA max AN NOT INSTALL Figure 7 TPS7A1601EVM 046 Schematic 7 2 Bill of Materials Table 2 TPS7A1601EVM 046 Bill of Materials Count RefDes Value Description Size Part Number MFR 1 C1 1 0uF Capacitor Ceramic 100V X7R 10 C1206 STD STD 1 C2 0 001uF Capacitor Ceramic 100V 603 STD STD 1 C3 0 01UF Capacitor Ceramic Low Inductance 50V X7R 10 603 STD STD 1 C4 10 0uF Capacitor Ceramic 50V X7R 10 1210 STD STD 1 R1 3 16M Resistor Chip 1 16W 1 603 STD STD 1 R2 1 0M Resistor Chip 1 16W 1 603 STD STD 1 R3 100K Resistor Chip 1 16W 1 603 STD STD 1 D1 1N4148WS0 Diode Small Signal 300 mA 100V SOD 323 1N4148WS Fairchild 2 J5 J8 PECO2SAAN Header Male 2 pin 100mil spacing 0 100 inch x 2 PECO2SAAN Sullins 4 J1
5. the specified output range may result in unintended operation and or possible permanent damage to the EVM Please consult the EVM User s 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 some circuit components may have case temperatures greater than 100 C The EVM is designed to operate properly with certain components above 100 C as long as the input and output ranges are maintained These components include but are not limited to linear regulators switching transistors pass transistors and current sense resistors These types of devices can be identified using the EVM schematic located in the EVM User s Guide When placing measurement probes near these devices during operation please be aware that these devices may be very warm to the touch Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2011 Texas Instruments Incorporated EVALUATION BOARD KIT MODULE EVM ADDITIONAL TERMS Texas Instruments Tl provides the enclosed Evaluation Board Kit Module EVM under the following conditions The user assumes all responsibility and liability for proper and safe handling of the goods Further the user indemnifies TI from all claims arising from the handling or use of the goods Should this evaluation board kit not meet the specifications indicated in the User s Guide the board
6. 2 Load Step and Transient Response Figure 3 shows the operation of the Power Good PG output Vin 6 V is present and the chip is enabled c1 gold The PG output C3 blue goes HIGH approximately 1 5 ms after Vout C2 red goes into regulation Vout i PA freg Ct Measure value status Paduty C1 PSmax C1 65V Pdmax C4 108 m4 v PSimean C4 63 6 mA y 500 psd Stop 230V 200 MSs Edge Postive PE 5 00 Vidiv 1540 V ofst 200 Vidiv 1 800 V offset 2 00 Vidiv 100 mV offset 1 00MS Aa Figure 3 Power Good Operation Thermal Guidelines and Layout Recommendations Thermal management is a key component of design for any power converter and is especially important when the power dissipation in the LDO regulator is high Use the following formula to approximate the maximum power dissipation for the particular ambient temperature Ty Ta Pp X Oja TPS7A1601EVM 046 SLVU549 December 2011 Submit Documentation Feedback Copyright 2011 Texas Instruments Incorporated 13 TEXAS INSTRUMENTS www ti com Board Layout Where T is the junction temperature T is the ambient temperature Pp is the power dissipation in the device W and 6 is the thermal resistance from junction to ambient All temperatures are in degrees Celsius The maximum silicon junction temperature T must not be allowed to exceed 150 C The layout design must use copper trace and plane areas effectively as th
7. a Class B digital device pursuant to part 15 of the FCC Rules 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 If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help For EVMs annotated as IC INDUSTRY CANADA Compliant This Class A or B digital apparatus complies with Canadian ICES 003 Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment Concerning EVMs including radio transmitters This device complies with Industry Canada licence exempt RSS standard s Operation is subject to the following two conditions 1 this device may not caus
8. additional information on Tl s environmental and or safety programs please contact the TI application engineer or visit www ti com esh No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine process or combination in which such TI products or services might be or are used FCC Warning This evaluation board kit is intended for use for ENGINEERING DEVELOPMENT DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use It generates uses and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC rules which are designed to provide reasonable protection against radio frequency interference Operation of this equipment in other environments may cause interference with radio communications in which case the user at his own expense will be required to take whatever measures may be required to correct this interference EVM Warnings and Restrictions It is important to operate this EVM within the input voltage range of 3 V to 60 V and the output voltage range of 1 2 V to20 V Exceeding the specified input range may cause unexpected operation and or irreversible damage to the EVM If there are questions concerning the input range please contact a TI field representative prior to connecting the input power Applying loads outside of
9. ators switching transistors pass transistors and current sense resistors which can be identified using the EVM schematic located in the EVM User s Guide When placing measurement probes near these devices during normal operation please be aware that these devices may be very warm to the touch As with all electronic evaluation tools only qualified personnel knowledgeable in electronic measurement and diagnostics normally found in development environments should use these EVMs Agreement to Defend Indemnify and Hold Harmless You agree to 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 use of the EVM that is not in accordance with the terms of the agreement This obligation shall apply whether Claims arise under law of tort or contract or any other legal theory and even if the EVM fails to perform as described or expected Safety Critical or Life Critical Applications If you intend to evaluate the components for possible use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death such as devices which are classified as FDA Class III or similar classification then you must specifically notify TI of such intent and enter into a separate Assurance and Indemnity Agreement
10. cations Commission FCC and Industry Canada IC rules For EVMs not subject to the above rules this evaluation board kit module is intended for use for ENGINEERING DEVELOPMENT DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use It generates uses and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES 003 rules which are designed to provide reasonable protection against radio frequency interference Operation of the equipment may cause interference with radio communications in which case the user at his own expense will be required to take whatever measures may be required to correct this interference General Statement for EVMs including a radio User Power Frequency Use Obligations This radio is intended for development professional use only in legally allocated frequency and power limits Any use of radio frequencies and or power availability of this EVM and its development application s must comply with local laws governing radio spectrum allocation and power limits for this evaluation module It is the user s sole responsibility to only operate this radio in legally acceptable frequency space and within legally mandated power limitations Any exceptions to this are strictly prohibited and unauthorized by Texas Instruments unless user has obtained appropriate experimental deve
11. cuitry in an extremely small DGN MSOP 8 PowerPAD package The regulator including external components is capable of delivering up to 100 mA to the load depending on the input output power dissipation across the part The TPS7A16xx does not require an input capacitor and the output capacitor only needs to be 2 2 2 UF effective minimum for stability however for conservative design practice accounting for widely varying noise environments and dynamic line load conditions a 1 UF input capacitor and a 0 01 UF feedforward capacitor have been used in the design Setup This section describes the jumpers and connectors on the EVM as well as how to properly connect set up and use the TPS7A1601EVM Input Output Connectors and Jumper Descriptions J1 VIN J1 is the input power supply voltage connector Twist the positive input lead and ground return lead from the input power supply and keep them as short as possible to minimize EMI transmission Add additional bulk capacitance between J1 and J2 if the supply leads are greater than 6 inches For example an additional 47 uF electrolytic capacitor connected from J1 to ground can improve the transient response of the TPS7A1601 while eliminating unwanted ringing on the input due to long wire connections J2 GND J2 is the ground return connector for the input power supply J3 GND J3 is the output ground return connector J4 VOUT J4 is the regulated output voltage connect
12. does not warrant or represent that any license either express or implied is granted under any patent right copyright mask work right or other intellectual property right relating to any combination machine or process in which TI components or services are used Information published by TI regarding third party products or services does not constitute a license to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual property of the third party or a license from TI under the patents or other intellectual property of TI Reproduction of significant portions of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties conditions limitations and notices TI is not responsible or liable for such altered documentation Information of third parties may be subject to additional restrictions Resale of TI components or services with statements different from or beyond the parameters stated by TI for that component or service voids all express and any implied warranties for the associated TI component or service and is an unfair and deceptive business practice TI is not responsible or liable for any such statements Buyer acknowledges and agrees that it is solely responsible for compliance with all legal regulatory and safety related requirements
13. doit pas produire de brouillage et 2 l utilisateur de l appareil doit accepter tout brouillage radio lectrique subi m me si le brouillage est susceptible d en compromettre le fonctionnement Concernant les EVMs avec antennes d tachables Conform ment la r glementation d Industrie Canada le pr sent metteur radio peut fonctionner avec une antenne d un type et d un gain maximal ou inf rieur approuv pour l metteur par Industrie Canada Dans le but de r duire les risques de brouillage radio lectrique l intention des autres utilisateurs il faut choisir le type d antenne et son gain de sorte que la puissance isotrope rayonn e quivalente p i r e ne d passe pas l intensit n cessaire l tablissement d une communication satisfaisante Le pr sent metteur radio a t approuv par Industrie Canada pour fonctionner avec les types d antenne num r s dans le manuel d usage et ayant un gain admissible maximal et l imp dance requise pour chaque type d antenne Les types d antenne non inclus dans cette liste ou dont le gain est sup rieur au gain maximal indiqu sont strictement interdits pour l exploitation de l metteur Important Notice for Users of this Product in Japan This development kit is NOT certified as Confirming to Technical Regulations of Radio Law of Japan If you use this product in Japan you are required by Radio Law of Japan to follow the instructions below with respect to this product 1 Use th
14. e directives or other related directives Should this evaluation board kit not meet the specifications indicated in the User s Guide the board kit may be returned within 30 days from the date of delivery for a full refund THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED IMPLIED OR STATUTORY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE The user assumes all responsibility and liability for proper and safe handling of the goods Further the user indemnifies TI from all claims arising from the handling or use of the goods Due to the open construction of the product it is the user s responsibility to take any and all appropriate precautions with regard to electrostatic discharge EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES Tl currently deals with a variety of customers for products and therefore our arrangement with the user is not exclusive Tl assumes no liability for applications assistance customer product design software performance or infringement of patents or services described herein Please read the User s Guide and specifically the Warnings and Restrictions notice in the User s Guide prior to handling the product This notice contains important safety information about temperatures and voltages For
15. e interference and 2 this device must accept any interference including interference that may cause undesired operation of the device Concerning EVMs including detachable antennas Under Industry Canada regulations this radio transmitter may only operate using an antenna of a type and maximum or lesser gain approved for the transmitter by Industry Canada To reduce potential radio interference to other users the antenna type and its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication This radio 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 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 Cet appareil num rique de la classe A ou B est conforme a la norme NMB 003 du Canada Les changements ou les modifications pas express ment approuv s par la partie responsable de la conformit ont pu vider l autorit de l utilisateur pour actionner l quipement Concernant les EVMs avec appareils radio Le pr sent appareil est conforme aux CNR d Industrie Canada applicables aux appareils radio exempts de licence L exploitation est autoris e aux deux conditions suivantes 1 l appareil ne
16. eaneesenensieinceeecnedsanapeaenecauenadaresscnnsans Ea 3 2 Load Step and Transient Response eee eee eee ee ee eee eeee eee eeeenaeeeaeeeeeeeeeaeeaeteeeeeenaeenaeees 4 3 Power Good Op r tion sssssssstenamneenersiseneneeneneneremesemonencengienmisemesntengasnnssetsienne ases 4 4 Top Layer SilKSGreen sas essence enced eue cece ee bes en eiewemdemn annees nent renane ecran ni aa 5 5 TOp Layer ROUTING ass snari ev eau sense vananes use anus cae rA cac enenne den denu ea de nana seats 6 6 Bottom Layer Routing ss EAE EEE NE E ANE ENEO EAEE 6 7 WPS ZATEO1 EVM 046 SCh matic cused sosida eE E E EE E ES 7 List of Tables 1 Thermal Resistance 8 and Maximum Power Dissipation sisi 5 2 TPS7A1601EVM 046 Bill of Materials 224 244 aa E a a 7 PowerPAD is a trademark of Texas Instruments SLVU549 December 2011 TPS7A1601EVM 046 1 Submit Documentation Feedback Copyright 2011 Texas Instruments Incorporated TA TEXAS INSTRUMENTS Introduction www ti com 1 2 2 Introduction The Texas Instruments TPS7A1601EVM 046 evaluation module helps design engineers to evaluate the operation and performance of the TPS7A16xx family of linear regulators for use in their own circuit applications This particular EVM configuration contains a single linear regulator with internal thermal and current limit shutdowns The TPS7A1601 also has enable disable PG Power Good and user programmable PG cir
17. ermal sinks in order not to allow T to exceed the absolute maximum rating under all temperature conditions and voltage conditions across the part The designer must consider carefully the thermal design of the PCB for optimal performance over temperature For this EVM Figure 5 shows that the PCB top GND plane has six 6 mil thermal via connections to the bottom side copper GND plane to dissipate heat The PCB is a two layer board with 2 0z copper on top and bottom layers The DGN package drawing can be found at the Texas Instruments Web site in the product folder for the TPS7A16xx LDO linear regulator Table 1 repeats information from the Dissipation Ratings Table of the TPS7A16xx data sheet for comparison with the thermal resistance 6 calculated for this EVM layout to show the wide variation in thermal resistances for given copper areas The High K value is determined using a standard JEDEC High K 2s2p board having dimensions of 3 inch x 3 inch with 1 oz internal power and ground planes and 2 0z copper traces on top and bottom of the board Table 1 Thermal Resistance 6 and Maximum Power Dissipation Max Dissipation without Derating Max Dissipation without Derating Board Package Oya T 25 C T 70 C High K DGN 55 09 C W 1 8 mW 998 mW TPS7A1601EVM 046 DGN 38 89 C W 2 57 W 1 41 W The thermal resistance for the TPS7A1601EVM 046 6 is the measured value for this particular layout scheme The
18. is product 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 this product only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this product or 3 Use of this product only after you obtained the Technical Regulations Conformity Certification as provided in Radio Law of Japan with respect to this product Also please do not transfer this product unless you give the same notice above to the transferee Please note that if you could not follow the instructions above you will be subject to penalties of Radio Law of Japan Texas Instruments Japan Limited address 24 1 Nishi Shinjuku 6 chome Shinjuku ku Tokyo Japan http www tij co jp ZEATE T FAREY HSGRMBSBSTReLTTHVEtA ARMOCPAICRL TSH BREBTOL HO AFOUFNA NEER TULE lt KBEMHW ETN CCHRB lt K EEU 1 BRAT A ROR ARS CET lt FR18F3 AO AMBER A1735 CEOSHLEREESO MBM CEAR 2 RRRAO TFEMSRCHAUEEX 3 RN R RIENREMS RCHARUEEX ZB Ami Lito TEAC TORA REX BEAIBALZURY BE B T SUEDELRT Re FEU e USER BRAM RAAB AS Na NEEND eE TAERE BATEYA FYAYIDXYYRASE Raw ie XM 6 TA 24815 ME HEIL http www tij co jp EVALUATION BOARD KIT MODULE EVM WARNINGS RESTRICTIONS AND DISCLAIMERS For Feasibility Evaluation On
19. j Users Guide 13 TEXAS SLVU549 December 2011 INSTRUMENTS TPS7A1601EVM 046 This users guide describes operational use of theTPS7A1601EVM 046 evaluation module EVM as a reference design for engineering demonstration and evaluation of the TPS7A1601 low dropout LDO linear regulator Included in this users guide are setup instructions a schematic diagram layout and thermal guidelines a bill of materials and test results Contents 1 IMTODUCTION assume ma ave maman eve su sdnenanaienennanenenenanue E une fe vee 2 2 D TUDE E E E EO E E T E E E 2 2 1 Input Output Connectors and Jumper Descriptions seen eee eeee eee eeeeeeeeaeee 2 2 2 Equipment Setup sericese ina e a E 2 3 Operati isens nnn vida E a E E E OE E E 3 4 TESERESUNS eirinen aenaran aaraa EEE EEEE EEE EEE 3 4 1 TUMON SEUS ATOS PE EE EE E EE G E E EIEEE 3 4 2 Output Load Transient swore ies direnani ve eves r a a e eed EAEan EE 5 4 3 POWER GOOM Re nec cena ee des sn nee 4 5 Thermal Guidelines and Layout Recommendations sis ssesssssessesseessesee 4 6 Board LAYOUT sssssmanenamanssennanenenenanansaeniamnnnanennnesendgunantnanenend adduniuinanenennendidennenne 5 7 S hematicand Billof Materials 22 cosa taus ss ane marsan tie less a oui dindeus 7 7 1 SCh mMaAlC ss des aE a 7 7 2 Bill Gf Materials ss ds sennenandeeaatesannnesennanenesunnnenndensas danenanentiennaodedenenet 7 List of Figures 1 Tumon SCQUENCE wsiaveccdece sent ica vdcaeddedpencrancetnanst
20. kit may be returned within 30 days from the date of delivery for a full refund THE FOREGOING LIMITED WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED IMPLIED OR STATUTORY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES Please read the User s Guide and specifically the Warnings and Restrictions notice in the User s Guide prior to handling the product This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please visit www ti com esh or contact TI No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine process or combination in which such TI products or services might be or are used TI currently deals with a variety of customers for products and therefore our arrangement with the user is not exclusive Tl assumes no liability for applications assistance customer product design software performance or infringement of patents or services described herein REGULATORY COMPLIANCE INFORMATION As noted in the EVM User s Guide and or EVM itself this EVM and or accompanying hardware may or may not be subject to the Federal Communi
21. lopment licenses from local regulatory authorities which is responsibility of user including its acceptable authorization For EVMs annotated as FCC FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant Caution This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment FCC Interference Statement for Class A EVM devices This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense FCC Interference Statement for Class B EVM devices This equipment has been tested and found to comply with the limits for
22. ly in Laboratory Development Environments Unless otherwise indicated this EVM is not a finished electrical equipment and not intended for consumer use It is intended solely for use for preliminary feasibility evaluation in laboratory development environments by technically qualified electronics experts who are familiar with the dangers and application risks associated with handling electrical mechanical components systems and subsystems It should not be used as all or part of a finished end product Your Sole Responsibility and Risk You acknowledge represent and agree that 1 You have unique knowledge concerning Federal State and local regulatory requirements including but not limited to Food and Drug Administration regulations if applicable which relate to your products and which relate to your use and or that of your employees affiliates contractors or designees of the EVM for evaluation testing and other purposes 2 You have full and exclusive responsibility to assure the safety and compliance of your products with all such laws and other applicable regulatory requirements and also to assure the safety of any activities to be conducted by you and or your employees affiliates contractors or designees using the EVM Further you are responsible to assure that 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 mi
23. nimize the risk of electrical shock hazard 3 You will employ reasonable safeguards to ensure that your use of the EVM will not result in any property damage injury or death even if the EVM should fail to perform as described or expected 4 You will take care of proper disposal and recycling of the EVM s electronic components and packing materials Certain Instructions It is important to operate this EVM within TI s recommended specifications and environmental considerations per the user guidelines Exceeding the specified EVM ratings including but not limited to input and output voltage current power and environmental ranges may cause property damage personal injury or death If there are questions concerning these ratings please contact a TI field representative prior to connecting interface electronics including input power and intended loads Any loads applied outside of the specified output range may result in unintended and or inaccurate operation and or possible permanent damage to the EVM and or interface electronics Please consult the EVM User s 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 some circuit components may have case temperatures greater than 60 C as long as the input and output are maintained at a normal ambient operating temperature These components include but are not limited to linear regul
24. o 10 V e Enable the output by reconnecting the jumper on JP1 from the EN pin to the ON pin e Vary the respective loads and VIN voltages as necessary for test purposes Test Results This section provides typical performance waveforms for the TPS7A1601EVM 046 printed circuit board Turnon Sequence Figure 1 shows the turnon off characteristic where VIN is preset to 10 V the output drives full load and the EN turnon is stepped to 10 V C2 red The output soft start C1 yellow shows a monotonic rise time of approximately 60 ms The output voltage start up ramp is not load dependant i Measure PA freg Ct P2 duty C1 P3max Ct Pd max C4 PSimean C4 PGi value oa 64V 108 m4 413m4 status A A Y v v sv 2 00 Viiv 50 0 mAkiv 1510 Votst 2 000 Voffset J 520mAotst Figure 1 Turnon Sequence 4 2 Output Load Transient Figure 2 shows the load transient response OUT C1 yellow for a full load step transient from 10 mA to 100 mA C4 green VIN is set at 10 V SLVU549 December 2011 TPS7A1601EVM 046 3 Submit Documentation Feedback Copyright 2011 Texas Instruments Incorporated Thermal Guidelines and Layout Recommendations 4 3 Power Good TA TEXAS INSTRUMENTS www ti com Measure PA freq C1 P2 duty C1 P3max C1 Pd max C4 PSimean C4 PE value a amy 112 m 48 6 mA status A v v 7 imebase 440 us Trigger 50 0 mvdv 200 sidi Stop 100 0 mY ofst 1 00MS 500 MSIs Edge Figure
25. or JP1 EN SP1 is the output enable To enable the output connect a jumper to short the ON pin 1 to the EN center pin 2 To disable the output connect a jumper to short EN pin 2 to OFF pin 3 J5 PG J5 is Power Good If a jumper is installed across J5 the PG signal is pulled up to Vout and the signal can be monitored via TP1 test point 1 The user can also pull up the signals themselves by connecting directly to pin 1 of J5 The maximum pullup voltage that can be used on the PG pin is 5 5 V J6 Input Diode Bypass The EVM is populated with a 100 V 300 mA protection diode on the input This diode can be bypassed by connecting a jumper across J6 Equipment Setup Turn off the input power supply after verifying that its output voltage is set to greater than 6 V 60 V maximum Connect the positive voltage lead from input power supply to VIN at the J1 connector of the EVM Connect the ground lead from the input power supply to GND at the J2 connector of the EVM TPS7A1601EVM 046 SLVU549 December 2011 Submit Documentation Feedback Copyright 2011 Texas Instruments Incorporated l TEXAS INSTRUMENTS www ti com Operation 4 1 e Connect a 0 A to 100 mA load between an OUT pin at connector J4 and a GND pin at connector J3 e Disable the output by connecting the jumper on JP1 from the EN pin to the OFF pin Operation e Turn on the input power supply For initial operation set the input power supply VIN J1 t
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27. t the Buyer s risk and that Buyer is solely responsible for compliance with all legal and regulatory requirements in connection with such use TI has specifically designated certain components which meet ISO TS16949 requirements mainly for automotive use Components which have not been so designated are neither designed nor intended for automotive use and TI will not be responsible for any failure of such components to meet such requirements Products Applications Audio www ti com audio Automotive and Transportation www ti com automotive Amplifiers amplifier ti com Communications and Telecom www ti com communications Data Converters DLP Products DSP Clocks and Timers Interface Logic Power Mgmt Microcontrollers RFID OMAP Applications Processors Wireless Connectivity dataconverter ti com www dip com www ti com clocks interface ti com logic ti com microcontroller ti com www ti rfid com www ti com omap Computers and Peripherals Consumer Electronics Energy and Lighting Industrial Medical Security Space Avionics and Defense Video and Imaging TI E2E Community www ti com wirelessconnectivity www ti com computers www ti com consumer apps www ti com energy www ti com industrial www ti com medical www ti com security www ti com space avionics defense www ti com video Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2012 Texas Inst
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