DRV201EVM

User's Guide SLVU528 – March 2012 DRV201 Evaluation Module Figure 1. DRV201EVM The DRV201EVM is an evaluation board to assist in evaluating the DRV201 IC as a voice coil motor (VCM) driver for camera auto focus. The device is an advanced voice coil motor driver for camera auto focus. It has an integrated D/A converter for setting the VCM current. VCM current is controlled with a fixed frequency PWM controller or a linear mode driver. Current generation can be selected via I2C register. Device has integrated sense resistor for current regulation and the current can be controlled through I2C. When changing the current in the VCM the lens ringing is compensated with an advanced ringing compensation function. Ringing compensation reduces the needed time for auto focus significantly. The device has also VCM short and open protection functions. The following related documents are available for download through the Texas Instruments web site at http://www.ti.com. 1. DRV201 Voice Coil Motor Driver for Camera Auto Focus (SLVSB25) 2. USB Interface Adapter Evaluation Module (SLLU093) SLVU528 – March 2012 Submit Documentation Feedback DRV201 Evaluation Module Copyright © 2012, Texas Instruments Incorporated 1 www.ti.com 1 2 3 4 5 6 7 2 Contents Introduction .................................................................................................................. 3 1.1 Description .......................................................................................................... 3 1.2 Applications ......................................................................................................... 3 1.3 Features ............................................................................................................. 3 System Overview ........................................................................................................... 4 Hardware Overview ......................................................................................................... 5 3.1 Connectors .......................................................................................................... 6 3.2 Jumpers ............................................................................................................. 6 3.3 Test Points .......................................................................................................... 6 3.4 EVM Operation ..................................................................................................... 6 Software ...................................................................................................................... 7 4.1 Software Installation Instructions ................................................................................. 7 EVM Schematic ............................................................................................................. 9 PCB layout ................................................................................................................. 10 Bill of Materials ............................................................................................................. 12 DRV201 Evaluation Module SLVU528 – March 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Introduction www.ti.com 1 Introduction 1.1 Description The DRV201EVM is an evaluation board to assist in evaluating the DRV201 IC as a voice coil motor (VCM) driver for camera autofocus. The device is an advanced voice coil motor driver for camera Auto focus. It has integrated D/A converter for setting the VCM current. VCM current is controlled with a fixed frequency PWM controller or a linear mode driver. Current generation can be selected via I2C register. Device has integrated sense resistor for current regulation and the current can be controlled through I2C. When changing the current in the VCM the lens ringing is compensated with an advanced ringing compensation function. Ringing compensation reduces the needed time for auto focus significantly. The device has also VCM short and open protection functions. 1.2 Applications • • 1.3 Camera auto focus Camera Iris control Features • • • • • • • • • • Configurable for linear or PWM mode VCM current generation High efficiency PWM current control for VCM Advanced ringing compensation Integrated 10-bit D/A converter for VCM current control Protection – Open and short-circuit detection on VCM pins – Undervoltage lockout (UVLO) – Thermal shutdown – Open and short circuit protection on VCM output – Internal current limit for VCM driver I2C interface Operating temperature range: -40ºC to 85ºC 6-ball WCSP package with 0.4-mm pitch Max die size: 0.8 mm x 1.48 mm Package height: 0.15 mm SLVU528 – March 2012 Submit Documentation Feedback DRV201 Evaluation Module Copyright © 2012, Texas Instruments Incorporated 3 System Overview 2 www.ti.com System Overview USB-to-I2C Adapter DRV201 EVM Host(PC) Figure 2. System Block Diagram The system consists of these components: • Host (PC): a Windows™ personal computer (PC) – used to configure and monitor the DRV201EVM. The GUI operates on the host. For the GUI to execute properly, the host needs to have the correct LabView™ RunTime version. If the host doesn’t have the correct RunTime version it will be prompted during GUI installation. More information in GUI installation section. • USB-to-I2C adapter: DRV201EVM uses the I2C interface for communication with the host. The TIsupplied USB-to-I2C adapter shown in Figure 3. USB-to-GPIO adapter does the appropriate conversion so the host can use the USB interface for communication. USB-to-I2C adapter has a 3.3-V supply rail which is used to supply the EVM so no external power supply is needed. • DRV201EVM: EVM board that houses the DRV201 and peripheral components. Figure 3. USB-to-GPIO Adapter 4 DRV201 Evaluation Module SLVU528 – March 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Hardware Overview www.ti.com 3 Hardware Overview The DRV201EVM allows evaluation of the DRV201 IC as a voice coil motor (VCM) driver for camera autofocus. DRV201EVM has separate connections for Isource and Isink pins that can be used to connect to any VCM actuator or VCM in a camera module. If VCM actuator is not available there are on board mounted inductor and resistor available to model VCM. The DRV201EVM can be configured and monitored through a Windows GUI application running on a PC. The GUI communicates with the DRV201EVM through the USB Interface Adapter (included with EVM kit), which acts as an I2C master for the board. The DRV201EVM provides the following functionality: • Programming of the DRV201 device. • R_VCM and L_VCM are meant as a model of a typical VCM actuator electrical parameters. • Driving either external VCM connected to ISOURCE and ISINK headers or using on board inductor and resistor (see jumper setting). • Standard 400-kHz I2C communication via I2C connector to USB adapter for connection to a PC. • Board can be supplied through the 3.3 V from the USB adapter or from an external power source (see jumper setting). Figure 4. Connecting the ribbon cable to DRV201EVM pin one is marked on the EVM and with the red stripe in the ribbon cable. SLVU528 – March 2012 Submit Documentation Feedback DRV201 Evaluation Module Copyright © 2012, Texas Instruments Incorporated 5 Hardware Overview 3.1 www.ti.com Connectors The DRV201EVM has connectors for power and I2C communications. J1 provides a possibility to power EVM from an external power supply (between 2.5 V and 4.8 V). USB adapter interface adapter has a 3.3V power output that can be used to power the board so there is no need for external power source. P1 header provides the I2C communication interface to the DRV201EVM. The USB Interface Adapter includes a ribbon cable that can be connected to P1. The adapter is connected to a Windows-based PC. WARNING When using external power DRV201EVM, it should be noted that the recommended supply range for DRV201 is from 2.5 V to 4.8 V. 3.2 Jumpers The DRV201EVM operation can be configured using jumpers: • Board power from external supply or USB interface adapter • Driving on board inductor and resistor or external VCM actuator See Table 1 for descriptions and default settings for the jumpers on the DRV201EVM. Table 1. DRV201EVM Jumpers NUMBER P2 JP1 andJP2 3.3 FUNCTION Board power supply selection. Connect to pins 1-2 when using 3.3 V from the USB interface adapter and pins 2-3 if external power supply is used. R_VCM and L_VCM are connected between DRV201 pins ISOURCE and ISINK. If jumpers are not connected, VCM actuator can be connected between ISOURCE and ISINK. DEFAULT SETTING Pins 1-2 (power from USB interface adapter) JP1 and JP2 jumpers connected Test Points The DRV201EVM provides test points that can be used for evaluation. Important voltages can be monitored with a meter through the use of the test points. 3.4 EVM Operation The DRV201EVM operates from either a USB interface adapter (through P1) or an external power supply (through J1). Jumper P2 can be used to select the power source as described in Section 3.2. Use the following steps to set up the DRV201EVM. 1. Connect the USB interface adapter to the DRV201EVM P1 connector using the ribbon cable provided. 2. Plug the appropriate end of the USB cable into the adapter and the other end into your PC. NOTE: If using an external power supply, connect jumper’s pins 2-3 and use J1 to connect the power supply. 6 DRV201 Evaluation Module SLVU528 – March 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Software www.ti.com 4 Software The DRV201EVM comes with a Windows application that can be used to configure and monitor the EVM. The GUI can be used to configure all available options of the EVM such as programming, current settings, ringing compensation, VCM resonance frequency, open VCM, and short VCM. The following section explains the procedure for installing the graphical user interface (GUI) onto a Windows based PC. A USB interface adapter is required to connect the EVM to a PC and should have been provided with the EVM. Additional interfaces can be ordered through http://focus.ti.com/docs/toolsw/folders/print/usb-to-gpio.html. 4.1 Software Installation Instructions To • • • • install the EVM software follow the steps outlined: Copy the DRV201EVM.zip to your computer and extract all files. Double-click on the setup.exe file in the \Installer\Volume\ directory. Follow the prompts to finish the installation. At the end of the installation, a reboot of your computer may be required. Figure 5. setup.exe File Located in the Volume Directory I2C read/write commands may be made using the provided software. A dark grey block means the bit is ‘high’. A white block means the bit is ‘low’. A write may be performed simply by clicking on an individual bit or an entire register may be written by using the write command on the left side of the GUI. SLVU528 – March 2012 Submit Documentation Feedback DRV201 Evaluation Module Copyright © 2012, Texas Instruments Incorporated 7 Software www.ti.com Figure 6. DRV201EVM GUI Main Figure 7. DRV201EVM GUI Basic 8 DRV201 Evaluation Module SLVU528 – March 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated EVM Schematic www.ti.com 5 EVM Schematic SLVU528 – March 2012 Submit Documentation Feedback DRV201 Evaluation Module Copyright © 2012, Texas Instruments Incorporated 9 PCB layout 6 www.ti.com PCB layout Figure 8. DRV201EVM Board Layer 1. (TOP) 10 DRV201 Evaluation Module SLVU528 – March 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated PCB layout www.ti.com Figure 9. Board Layer 4. (BOTTOM) SLVU528 – March 2012 Submit Documentation Feedback DRV201 Evaluation Module Copyright © 2012, Texas Instruments Incorporated 11 Bill of Materials 7 www.ti.com Bill of Materials Table 2. Bill of Materials 12 Count RefDes Value Description Size Part Number MFR 1 Cin 1 µF Capacitor, Ceramic, 10V, X5R 0402 ECJ0EB1A105M Panasonic 2010 MCR50JZHJ150 Rohm NR4018T101M Taiyo Yuden ED555/2DS On Shore DRV201 TI 1 R_VCM 15 Ω Resistance to model VCM 1 L_LCVM 100 µH Inductance to model VCM 1 J1 Terminal Block 1 P1 Header, 2x5 1 P2 Header, 1x3 2 JP1, JP2 Header, 1x2 4 U1 IC, Autofocus driver 2 x 3.5 mm DRV201 Evaluation Module SLVU528 – March 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated Evaluation Board/Kit Important Notice Texas Instruments (TI) 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 these 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. 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. 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 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 2.5 V to 4.8 V and the output voltage range of 2.5 V to 4.8 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 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 85°C ambient. The EVM is designed to operate properly with certain components above 85°C ambient 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 © 2012, 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 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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