TPS92315EVM-516

User's Guide SLVU825A – February 2013 – Revised March 2013 TPS92315EVM User's Guide The TPS92315EVM is an LED driver for GU-10 applications. The design focuses on applications that require a small form factor and a minimal number of external components, such that the dimension of the PCB is only 31 mm × 18 mm × 12 mm (L × W × H). The EVM accepts a wide AC line input range from 85 to 250 VRMS, and regulates 350-mA current into a single LED string with 3 LEDs in series. The EVM is designed for the EN 55022 class B standard. This user's guide details the specification, schematic, PCB layout, testing, results, and bill of materials of the EVM. 1 2 3 4 5 6 7 8 9 10 11 Contents Introduction .................................................................................................................. 2 Description ................................................................................................................... 2 Typical Applications ......................................................................................................... 2 Electrical Performance Specifications .................................................................................... 2 Schematic .................................................................................................................... 3 5.1 Test Equipment ..................................................................................................... 4 Board Connection ........................................................................................................... 4 TPS92315EVM Test Procedure ........................................................................................... 4 Typical Performance Characteristics ..................................................................................... 5 Electromagnetic Interference (EMI) ....................................................................................... 7 Assembly Drawings and PCB Layout .................................................................................... 9 Bill of Materials ............................................................................................................. 10 List of Figures 1 Schematic of the TPS92315EVM ......................................................................................... 3 2 Typical Connection Block Diagram 3 Waveforms of Power-up Transient of TPS92315EVM with VIN = 110VAC (Ch 1: Drain Voltage of Q1; Ch 3: VLED; Ch 4: ILED) .............................................................................................................. 5 4 Waveforms of Steady State Operation of TPS92315EVM with VIN = 110VAC (Ch 1: Drain Voltage of Q1; Ch 3: Source Voltage of Q1; Ch 4: ILED) .................................................................................. 6 5 Peak Conductive EMI per EN55022 Class B Limits (110 VAC Live) 6 Peak Conductive EMI per EN55022 Class B Limits (110 VAC Neutral) ............................................. 7 7 Peak Conductive EMI per EN55022 Class B Limits (230 VAC Live) 8 Peak Conductive EMI per EN55022 Class B Limits (230 VAC Neutral) ............................................. 8 9 Top Layer PCB .............................................................................................................. 9 10 Bottom Layer PCB .......................................................................................................... 9 1 TPS92315EVM .............................................................................................................. 2 2 Board Connection Description............................................................................................. 4 3 Connections ...................................................................................... ................................................ ................................................ 4 7 8 List of Tables 4 5 ................................................................................................................. Functional AC Input Test................................................................................................... Bill of Materials............................................................................................................. SLVU825A – February 2013 – Revised March 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated TPS92315EVM User's Guide 4 5 10 1 Introduction 1 www.ti.com Introduction The TPS92315EVM is an LED driver for GU-10 applications. The design focuses on applications that require a small form factor and a minimal number of external components, such that the dimension of the PCB is only 31 mm × 18 mm × 12 mm (L × W × H). The EVM accepts a wide AC line input range from 85 to 250 VRMS, and regulates 350-mA current into a single LED string with 3 LEDs in series. The EVM is designed for the EN 55022 class B standard. This user's guide details the specification, schematic, PCB layout, testing, results, and bill of materials of the EVM. 2 Description The TPS92315EVM is controlled by the TPS92315, which is a single-stage AC/DC controller dedicated for GU-10 applications. The circuit senses primary-side current so current sensing and feedback from the secondly side are not required. It employs the flyback topology, working in the discontinuous conduction mode (DCM) and controlling by peak current detection. To minimize the switching loss of the MOSFET, EMI, and the turn-on current spike at the sensing resistor, the TPS92315 implements a valley switching method, aimed at turning on the MOSFET when the drain-to-source voltage of the MOSFET is near the minimum. The over-voltage protection (OVP) and over-current protection (OCP) of the TPS92315 helps protect the circuit during LED open and short. 3 Typical Applications LED lamps: • GU-10 Features • Universal line input: 90 VRMS – 264 VRMS • Primary-side sensing to achieve LED current regulation • Valley switching benefitting the EMI and efficiency • Flyback topology with discontinuous conduction mode (DCM) and peak current control • LED current setting with external sense resistor 4 Electrical Performance Specifications Table 1. TPS92315EVM Parameter Test Conditions Min Typ Max Unit Input Characteristics VIN Input Voltage IQ Input quiescent Current 90 264 Device enable, VIN = 48 V, VUDIM = 1 V, no switching 3 V mA Output Characteristics VOUT Output Voltage LED+ to LED- 8.5 ILED LED Current VOUT = 9 V 335 350 11 V 365 mA 85 % SYSTEMS CHARACTERISTICS η 2 Efficiency TPS92315EVM User's Guide 90 VAC < VIN < 264 VAC, VOUT = 9 V, ILED = 350 mA 70 SLVU825A – February 2013 – Revised March 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated Schematic www.ti.com 5 Schematic Figure 1. Schematic of the TPS92315EVM SLVU825A – February 2013 – Revised March 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated TPS92315EVM User's Guide 3 Board Connection 5.1 Test Equipment • • • • • • 6 www.ti.com Voltage Source: Start at 90 VRMS–264 VRMS; AC source: PCR500LA (KIKUSUI) Multimeter: Agilent 34401A Power meter: WT210 Digital Power Meter (YOKOGAWA) LED Load: 3 LEDs in series (LED forward voltage = 3.0 V each at 350 mA) Oscilloscope: TDS3054C (TEKTRONIX) Operation temperature: 25°C Board Connection Figure 2 illustrates the board connections for the TPS92315EVM. Figure 2. Typical Connection Block Diagram Table 2. Board Connection Description Terminal Designation AC Live Connect to a 110 VAC or 220 VAC directly or through a power meter AC Neutral LED+ Connect to the LED string directly or through an ammeter LED– 7 Description TPS92315EVM Test Procedure CAUTION High voltage levels are present on the evaluation module whenever it is energized. Proper precautions must be taken when working with the EVM. Serious injury can occur if proper safety precautions are not followed. Table 3. Connections Step 4 Operation Remarks 1 Connect the AC mains or an AC source to a power meter The power meter can be by-passed 2 Connect the TPS92315EVM to the power meter Connect to the line and neutral terminals of the TPS92315EVM 3 Connect the LED load to the TPS92315EVM Connect to the LED+ and LED- terminals of the TPS92315EVM TPS92315EVM User's Guide SLVU825A – February 2013 – Revised March 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated Typical Performance Characteristics www.ti.com Table 4. Functional AC Input Test Step 8 Operation Remarks 1 Set the AC source output between 85 to 250 VAC 2 Turn on the AC power The LED current is 350 mA ± 5% 3 Turn off the AC power Do not touch any connection within 2 seconds after power off Typical Performance Characteristics Figure 3. Waveforms of Power-up Transient of TPS92315EVM with VIN = 110VAC (Ch 1: Drain Voltage of Q1; Ch 3: VLED; Ch 4: ILED) SLVU825A – February 2013 – Revised March 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated TPS92315EVM User's Guide 5 Typical Performance Characteristics www.ti.com Figure 4. Waveforms of Steady State Operation of TPS92315EVM with VIN = 110VAC (Ch 1: Drain Voltage of Q1; Ch 3: Source Voltage of Q1; Ch 4: ILED) 6 TPS92315EVM User's Guide SLVU825A – February 2013 – Revised March 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated Electromagnetic Interference (EMI) www.ti.com 9 Electromagnetic Interference (EMI) Figure 5 through Figure 8 show the peak conductive EMI scans. Data are compared with the EN 55022 Class B conducted EMI limits. All tests are under the conditions that the LED voltage, LED current, and output power are 9.2 V, 350 mA, and 3.2 W, respectively. Figure 5. Peak Conductive EMI per EN55022 Class B Limits (110 VAC Live) Figure 6. Peak Conductive EMI per EN55022 Class B Limits (110 VAC Neutral) SLVU825A – February 2013 – Revised March 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated TPS92315EVM User's Guide 7 Electromagnetic Interference (EMI) www.ti.com Figure 7. Peak Conductive EMI per EN55022 Class B Limits (230 VAC Live) Figure 8. Peak Conductive EMI per EN55022 Class B Limits (230 VAC Neutral) 8 TPS92315EVM User's Guide SLVU825A – February 2013 – Revised March 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated Assembly Drawings and PCB Layout www.ti.com 10 Assembly Drawings and PCB Layout Figure 9. Top Layer PCB Figure 10. Bottom Layer PCB SLVU825A – February 2013 – Revised March 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated TPS92315EVM User's Guide 9 Bill of Materials 11 www.ti.com Bill of Materials Table 5. Bill of Materials Item Designator Description Manufacturer Part Number 1 C1 Capacitor, ceramic, 0.1µF, 450V, 10%, X7T, 1206 TDK Corporation C3216X7T2W104K 2 C2 Capacitor, Aluminum, 4.7µF, 400V, 20%, Radial 8mm x 11.5mm Nichicon UVC2G4R7MPD Nippon Chemi-con Corporation ECLE401ELL4R7MHB5D Taiyo Yuden TMK212BBJ106KG-T 3 C4 Capacitor, ceramic, 10µF, 25V, 10%, X5R, 0805 4 C6 Capacitor, ceramic, 2200pF, 250V, 20%, THT Murata Electronics X1Y1 North America DE1E3KX222MA5BA01 5 C7 Capacitor, ceramic, 0.47µF, 50V, 10%, X7R, 0805 TDK Corporation C2012X7R1H474K 6 D1 Diode, Switching-Bridge, 600V, 0.8A, MiniDIP Diodes Inc HD06-T 7 D2 Diode, TVS, 400W 250V, UNI 5%, SMD Littelfuse Inc P4SMA250A 8 D3 Diode, Schottky, 100V, 1A, SMA Diodes Inc. B1100-13-F 9 D4 Diode, Ultrafast, 600V, 1A, SMA Diodes Inc. US1J-13-F 10 D5 Diode, Schottky, 70V, 0.07A, SOT-23 Diodes Inc. BAS70-7-F 11 H1, H2, H3, H4 Machine Screw, Round, #4-40 x 1/4, Nylon, Philips panhead B&F Fastener Supply NY PMS 440 0025 PH 12 H5, H6, H7, H8 Standoff, Hex, 0.5"L #4-40 Nylon Keystone 1902C 13 J1, J2 Conn Term Block, 2POS, 5.08mm PCB Phoenix Contact 1715721 14 JP1, JP2, JP3, JP4 Jumper Wire, 300mil spacing, Orange, pkg of 200 3M 923345-03-C 15 L1 Fixed Inductors, 1mH, 0.14A, Radial Lead Sumida RCH4764NP-102K 16 Q1 MOSFET, N-CH, 800V, 2.5A, TO-251AB ST Microelectronics STD3NK80Z1 17 R1 Resistor, fusible WW, 10Ω, 1W, 5% Yageo FKN1WSJR52-10R 18 R2 Resistor, 10.0kΩ, 1%, 0.25W, 1206 Vishay-Dale CRCW120610K0FKEA 19 R3, R5 Resistor, 2.00MΩ, 1%, 0.25W, 1206 Yageo RC1206FR072ML 20 R8 Resistor, 20.0Ω, 1%, 0.1W, 0603 Vishay-Dale CRCW060320R0FKEA 21 R9 Resistor, 82.5kΩ, 1%, 0.1W, 0603 Vishay-Dale CRCW060382K5FKEA 22 R10 Resistor, 15.0kΩ, 1%, 0.1W, 0603 Vishay-Dale CRCW060315K0FKEA 23 R11 Resistor, 3.32kΩ, 1%, 0.1W, 0603 Vishay-Dale CRCW06033K32FKEA 24 R13 Resistor, 2.94Ω, 1%, 0.25W, 1206 Vishay-Dale CRCW12062R94FKEA 25 T1 Transformer EE-16, TH Wurth Elektronik eiSos 750341547 26 U1 Off-Line Primary-Side Sensing Controller, DBV0006A Texas Instruments TPS92315DBV FAE1WSJR-52-10R 10 TPS92315EVM User's Guide SLVU825A – February 2013 – Revised March 2013 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated EVALUATION BOARD/KIT/MODULE (EVM) ADDITIONAL TERMS Texas Instruments (TI) 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/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. TI 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 Communications 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/development 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 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: • Reorient or relocate the receiving antenna. • 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. • 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 cause 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 numérique de la classe A ou B est conforme à la norme NMB-003 du Canada. Les changements ou les modifications pas expressément approuvés par la partie responsable de la conformité ont pu vider l’autorité de l'utilisateur pour actionner l'équipement. Concernant les EVMs avec appareils radio Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. Concernant les EVMs avec antennes détachables Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante. Le présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le manuel d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne non inclus dans cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur. SPACER SPACER SPACER SPACER SPACER SPACER SPACER SPACER 【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. 2. 3. Use this 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, 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 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 【ご使用にあたっての注】 本開発キットは技術基準適合証明を受けておりません。 本製品のご使用に際しては、電波法遵守のため、以下のいずれかの措置を取っていただく必要がありますのでご注意ください。 1. 2. 3. 電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用いただく。 実験局の免許を取得後ご使用いただく。 技術基準適合証明を取得後ご使用いただく。 なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。 　　　上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。 日本テキサス・インスツルメンツ株式会社 東京都新宿区西新宿６丁目２４番１号 西新宿三井ビル http://www.tij.co.jp SPACER SPACER SPACER SPACER SPACER SPACER SPACER SPACER SPACER SPACER SPACER SPACER SPACER SPACER SPACER SPACER SPACER EVALUATION BOARD/KIT/MODULE (EVM) WARNINGS, RESTRICTIONS AND DISCLAIMERS For Feasibility Evaluation Only, 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. 2. 3. 4. 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. 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 minimize the risk of electrical shock hazard. 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. 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 regulators, 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. 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