BQ25071EVM-658

User's Guide SLUUB49 – July 2014 bq25071 EVM User's Guide The bq25071 evaluation module (EVM) is a complete charger module for evaluating the QFN packaged 1A battery charge solution for single-cell, LiFePO4 battery-powered systems used in a wide range of portable applications 1 2 3 4 Contents Introduction ................................................................................................................... 1.1 bq25071 Features .................................................................................................. 1.2 bq25071 EVM - 658 Features ..................................................................................... 1.3 Schematic ............................................................................................................ 1.4 I/O Description ...................................................................................................... 1.5 Test Points ........................................................................................................... 1.6 Control and Key Parameters Setting ............................................................................. 1.7 Recommended Operating Conditions ............................................................................ Test Summary ................................................................................................................ 2.1 Definitions ............................................................................................................ 2.2 Recommended Test Equipment .................................................................................. 2.3 Recommended Test Equipment Setup .......................................................................... 2.4 Recommended Test Procedure ................................................................................... PCB Layout Guidelines ..................................................................................................... Bill of Materials and Board Layout ......................................................................................... 4.1 Bill of Materials ...................................................................................................... 4.2 Board Layout ........................................................................................................ 2 2 2 2 3 3 4 4 4 4 5 5 6 7 8 8 9 List of Figures 1 bq25071 EVM (PWR658) Schematic ..................................................................................... 2 2 BAT Load (PR1010) Schematic 3 Top Assembly Layer......................................................................................................... 9 4 Bottom Layer ........................................................................................... ................................................................................................................ SLUUB49 – July 2014 Submit Documentation Feedback bq25071 EVM User's Guide Copyright © 2014, Texas Instruments Incorporated 5 9 1 Introduction www.ti.com 1 Introduction 1.1 bq25071 Features The bq25071 is a highly integrated, linear, LiFePO4 battery charger targeted at space-limited portable applications. It accepts power from either a USB port or AC adapter and charges a single-cell LiFePO4 battery with up to 1 A of charge current. Key integrated circuit (IC) features include: • 30-V Input rating, with 10.5-V overvoltage protection (OVP) • Programmable charge current through ISET and EN terminals • 50-mA Integrated Low Dropout Linear Regulator (LDO) • Soft-start feature to reduce inrush current • Battery NTC monitoring • Charging status Indication For details, see the bq25071 data sheet (SLUSBK6). 1.2 bq25071 EVM - 658 Features The bq25071 EVM on PWR658 PCB is a complete charger module for evaluating the linear battery charge solution for single-cell, Li-FePO4 battery-powered systems used in a wide range of portable applications. Key EVM features include: • Programmable charge current via external resistors, potentiometer and digital input pins • Battery NTC thermistor optionally simulated by potentiometer • Accepts adapter input operating range of 3.75 V – 10.2 V • LED indication for charge • Test points for key signals available for testing purposes; easy probe hook-up 1.3 Schematic Figure 1 illustrates the bq25071 EVM schematic. LDO EN GND LED ON 1 2 3 IN JP2 1 2 JP1 TP2 R1 1.5k /CHG C1 1µF GND C2 22µF TP3 C3 1µF 2 1 C4 0.1µF D1 Red GND J6 J3 U1 1 IN TP4 GND 4.2V - 10.5V, 1A GND 1 2 EN 7 2 ISET GND J5 IN CHG OUT 3 9 R2 1.00k 2 1 TP9 10 BAT OUT EN ISET BAT TP5 TP6 1 2 8 TS GND GND PAD LDO 6 5 TS 4 C6 0.1µF bq25071DQC GND TS J8 TP8 GND R3 24.3k GND J7 up to 3.7V, 1A 3 2 1 J9 1 2 R4 GND 10k Ohm C5 0.1µF LDO GND GND TP1 R5 11.3k GND TP7 100k 2 1 2 1 1 2 2 1 R6 GND GND J1 LDO J2 GND J4 JP3 SIM TS Figure 1. bq25071 EVM (PWR658) Schematic 2 bq25071 EVM User's Guide SLUUB49 – July 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated Introduction www.ti.com 1.4 I/O Description Header or Terminal Block 1.5 Description J1 Header for connecting LDO pin reference voltage to external load or measurement device positive connection J2 Terminal block for connecting LDO reference voltage and GND pins to external load positive and negative connections J3 Header for connecting IN pin to input supply or measurement device positive connection J4 Header for connecting LDO GND to external load or measurement device negative connection J5 Terminal block for connecting IN and GND pins to input supply positive and negative connections J6 Header for connecting OUT pin to battery or measurement device positive connection J7 Header for connecting GND pin to input supply or measurement device negative connection J8 Terminal block for connecting OUT and GND pins to battery positive and negative connections and battery's NTC thermistor J9 Header for connecting GND pin to battery or measurement device negative connection Test Points Test Point Description TP1 Test point connecting to LDO pin TP2 Test point connecting to IN pin TP3 Test point connecting to /CHG pin TP4 Test point connecting to EN pin TP5 Test point connecting to ISET pin TP6 Test point connecting to board GND plane TP7 Test point connecting to board GND plane TP8 Test point connecting to TS pin TP9 Test point connecting to OUT=BAT pin SLUUB49 – July 2014 Submit Documentation Feedback bq25071 EVM User's Guide Copyright © 2014, Texas Instruments Incorporated 3 Introduction 1.6 www.ti.com Control and Key Parameters Setting Jumper 1.7 Default Factory Setting Description JP1 EN = LDO: Disables the IC. EN = GND: Places the IC in user programmable mode using the ISET input where the input current is programmed. EN floating: Places the IC in USB500 mode. GND JP2 LED ON: Connects /CHG pin to LED Installed JP3 SIM TS: Connectors R6 potentiometer to TS pin as an NTC thermistor simulator Installed Recommended Operating Conditions MIN 2 VIN Supply voltage Operating input voltage from AC adapter (No charging for VIN < VINDPM threshold = 4.4V) VBAT Fully charged Battery voltage Maximum voltage allowed at VBAT terminal 3.455 IIN(LIM) Input (charge) current Maximum input current limit and therefore charge current 0.100 VLDO LDO output voltage ILDO = 0 to 50 mA ILDO Maximum LDO Output Current TJ Operating junction temperature range TYP 3.75 4.7 3.5 4.9 MAX UNIT 10.2 V 3.539 V 1.0 A 5.1 60 –40 mA 150 °C Test Summary This procedure describes one test configuration of the bq25071EVM-658 evaluation board for bench evaluation. 2.1 Definitions The following naming conventions are followed. VXXX : LOAD#: V(TPyyy): V(Jxx): V(XXX, YYY): I(JXX(YYY)): Jxx(BBB): JPx ON : JPx OFF: JPx (-YY-) Measure: → A, B Observe → A, B External voltage supply name (VIN, VUSB) External load name Voltage at internal test point TPyyy. For example, V(TP12) means the voltage at TP12. Voltage at header Jxx Voltage across point XXX and YYY. Current going out from the YYY terminal of header XX. Terminal or pin BBB of header xx Internal jumper Jxx terminals are shorted. Internal jumper Jxx terminals are open. ON: Internal jumper Jxx adjacent terminals marked as YY are shorted. Check specified parameters A, B. If measured values are not within specified limits the unit under test has failed. Observe if A, B occur. If they do not occur, the unit under test has failed. Assembly drawings have location for jumpers, test points, and individual components. 4 bq25071 EVM User's Guide SLUUB49 – July 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated Test Summary www.ti.com 2.2 Recommended Test Equipment 2.2.1 Power Supplies 1. Power supply number 1 (PS#1) capable of supplying up 10.2 V and at least 1.0 A is required. 2. If battery as the load, then a second power supply (PS#2), capable of supplying up to 5 V at 5 A, as shown in Figure 2. 2.2.2 Load Number 1 Between BAT and GND Testing with an actual battery is the best way to verify operation in the system. If a battery is unavailable, then sourcemeter like a Keithley 2420, capable of both sourcing and sinking current, or a circuit similar to the one shown in Figure 2 can simulate a battery when connected to PS#2. Figure 2. BAT Load (PR1010) Schematic 2.2.3 Meters Three equivalent voltage meters (VM#x) and two equivalent current meters (CM#x) are required. The current meters must be able to measure at least 3-A current. 2.3 Recommended Test Equipment Setup 1. For all power connections, use short, twisted-pair wires of appropriate gauge wire for the amount of the current. 2. Set power supply #1 (PS#1) for 5 V ±100 mV DC, 1.5-A current limit and then turn off supply. Set power supply #2 (PS#2) for 3.4 V and then turn off supply. 3. Connect a voltage meter (VM#1) across J3 or TP2 (IN) and J7 (GND) 4. If BAT_Load (PR1010), as shown in Figure 2, is used, connect the PR1010 BAT+ terminal of PR1010 in series with a current meter (CM#1) to OUT of J8 or J6. Connect PR1010 BAT – to GND of J8 or J9. Connect the P/S+ and P/S return side of PR1010 to PS#2, set the voltage to 3.1 V +50 mV then disable PS#2. CAUTION The heat sinks on PR1010 will be very hot. 5. Connect a voltage meter (VM#2) across J6 (OUT) and J9 (GND). 6. Connect a DMM capable of measuring both voltage and resistance across TP5 (ISET) and TP7 (GND). SLUUB49 – July 2014 Submit Documentation Feedback bq25071 EVM User's Guide Copyright © 2014, Texas Instruments Incorporated 5 Test Summary 2.4 www.ti.com Recommended Test Procedure The following test procedure may be useful for evaluating the charger IC outside of a real system, if no battery is available to connect to the output and a circuit similar to PR1010 is used to simulate a battery. 2.4.1 1. 2. 3. 4. 5. 6. 7. 8. 9. 2.4.2 1. 2. 3. 4. 6 Charge Voltage and Current Regulation Ensure that the Section 2.3 steps are followed. Enable PS#1 and PS#2. Adjust PS#2 so that the voltage measured by VM#2, across BAT and GND, measures 2.9 V–3.0 V. Adjust the PS#1 so that VM#1 still reads 5.0 V +100 mV Measure on CM#2 → I(BAT) = 900–1100 mA Observe D1 (CHG) is on Remove shunt on JP1. Adjust the PS#1 so that VM#1 still reads 5.0 V +100 mV Measure on CM#2 → I(BAT) = 400–500 mA Observe D1 (CHG) is on Place shunt on JP1 to LDO. Adjust the PS#1 so that VM#1 still reads 5.0 V +100 mV Measure on CM#2 → I(BAT) = 0 mA Observe D1 (CHG) is off Turn off PS#1 and PS#2 when complete. Helpful Hints The leads and cables to the various power supplies have resistance. The current meters also have series resistance. Therefore, voltmeters must be used to measure the voltage as close to the IC pins as possible instead of relying on each supply's digital measurement. When using a sourcemeter as your battery simulator, it is highly recommended to add a large (1000 μF) capacitor at the EVM OUT/BAT and GND connectors in order to prevent oscillations at the BAT pin due to mismatched impedances of the charger output and sourcemeter input within their respective regulation loop bandwidths. Configuring the sourcemeter for 4-wire sensing eliminates the need for a separate voltmeter to measure the voltage at the BAT pin. When using 4-wire sensing, the 1000-µF capacitor across is required and the sensing leads must be connected before connecting the power leads in order to prevent accidental overvoltage by the power leads. To observe the taper current as the battery voltage approaches the set regulation voltage, allow the battery to charge, or if using BAT_Load (PR1010), slowly increase the PS2 voltage powering BAT_Load (PR1010). Use VM#2 across OUT/BAT and GND to measure the battery voltage seen by the IC. For precise measurements of charge current and battery regulation near termination, remove the current meter in series with the battery or battery simulator. An alternate method for measuring charge current is to either use an oscilloscope with hall-effect current probe or place a 1% or better, thermally capable (for example, 0.010 Ω in 1210 or larger footprint) resistor in series between the OUT/BAT or GND pins and battery and measure the voltage across that resistor. PR1010 resistor R3 is such a resistor. bq25071 EVM User's Guide SLUUB49 – July 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated PCB Layout Guidelines www.ti.com 3 PCB Layout Guidelines 1. Place of the IN capacitor as close as possible between the IN and GND pin. Place the OUT capacitor as close as possible between the OUT and GND pin. The BAT pin is a sense pin. 2. The PCB must have a ground plane (return) connected directly to the return of all components through vias (two vias per capacitor for power-stage capacitors, one via per capacitor for small-signal components). TI also recommends to put vias inside the PGND pads for the IC, if possible. A star ground design approach is typically used to keep circuit block currents isolated (high-power/low-power small-signal), which reduces noise-coupling and ground-bounce issues. A single ground plane for this design gives good results. With this small layout and a single ground plane, no ground-bounce issue occurs, and having the components segregated minimizes coupling between signals. 3. The high-current charge paths into IN and out OUT must be sized appropriately for the maximum charge current in order to avoid voltage drops in these traces. The GND pin must be connected to the ground plane to return current through the internal low-side FET. 4. The package's power pad should be connected to as much copper as possible on the top ground plane and through several vias to the bottom ground plane for optimal thermal performance. SLUUB49 – July 2014 Submit Documentation Feedback bq25071 EVM User's Guide Copyright © 2014, Texas Instruments Incorporated 7 Bill of Materials and Board Layout www.ti.com 4 Bill of Materials and Board Layout 4.1 Bill of Materials Table 1 lists the BOM for this EVM. Table 1. Bill of Materials – PWR658 (1) Designator Qty Value Description Package Reference Part Number Manufacturer C1 1 1 µF CAP, CERM, 1 µF, 10 V, +/-10%, X5R, 0603 0603 C1608X5R1A105K TDK C2 1 22 µF CAP, CERM, 22 µF, 10 V, +/-20%, X5R, 0603 0603 CL10A226MP8NUNE Samsung C3 1 1 µF CAP, CERM, 1 µF, 25 V, +/-10%, X5R, 0603 0603 C1608X5R1E105K080AC TDK C4 1 0.1 µF CAP, CERM, 0.1 µF, 25 V, +/-10%, X7R, 0603 0603 06033C104KAT2A AVX C5, C6 2 0.1 µF CAP, CERM, 0.1 µF, 16 V, +/-5%, X7R, 0603 0603 0603YC104JAT2A AVX D1 1 Red LED, Red, SMD Red LED, 1.6x0.8x0.8mm LTST-C190CKT Lite-On J1, J3, J4, J6, J7, J9, JP2, JP3 8 Header, 2x1, 100 mil, SMT Header, 2x1, 100mil, TH 800-10-002-10-001000 Mill-Max J2, J5 2 Terminal Block, 6 A, 3.5 mm Pitch, 2-Pos, TH 7.0x8.2x6.5mm ED555/2DS On-Shore Technology J8 1 Terminal Block, 6 A, 3.5 mm Pitch, 3-Pos, TH 10.5x8.2x6.5mm ED555/3DS On-Shore Technology JP1 1 Header, 3x1, 100mil, SMT Header, 3x1, 100mil, TH 800-10-003-10-001000 Mill-Max R1 1 1.5 kΩ RES, 1.5 kΩ, 5%, 0.1 W, 0603 0603 CRCW06031K50JNEA Vishay-Dale R2 1 1.00 kΩ RES, 1.00 kΩ, 1%, 0.1 W, 0603 0603 CRCW06031K00FKEA Vishay-Dale R3 1 24.3 kΩ RES, 24.3 kΩ, 1%, 0.1 W, 0603 0603 CRCW060324K3FKEA Vishay-Dale R4 1 10 kΩ Trimmer, 10 kΩ, 0.25 W, TH 4.5x8x6.7mm 3266W-1-103LF Bourns R5 1 11.3 kΩ RES, 11.3 kΩ, 1%, 0.1 W, 0603 0603 CRCW060311K3FKEA Vishay-Dale R6 1 100 kΩ Trimmer, 100 kΩ, 0.25 W, TH 4.5x8x6.7mm 3266W-1-104LF Bourns SH-JP1, SH-JP2, SHJP3 3 1x2 Shunt, 100 mil, Gold plated, Black Shunt 969102-0000-DA 3M TP1, TP2 2 Red Test Point, Compact, Red, TH Red Compact Testpoint 5005 Keystone TP3, TP4, TP5, TP8, TP9 5 White Test Point, Compact, White, TH White Compact Testpoint 5007 Keystone TP6, TP7 2 Black Test Point, Compact, Black, TH Black Compact Testpoint 5006 Keystone U1 1 bq25071 1 A, Single-Input, Single-Cell LiFePO4 Linear Battery Charger with 50 mA LDO, DQC0010A DQC0010A bq25071DQC Texas Instruments (1) 8 Unless otherwise noted, all parts can be substituted with equivalents. bq25071 EVM User's Guide SLUUB49 – July 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated Bill of Materials and Board Layout www.ti.com 4.2 Board Layout Figure 3 and Figure 4 illustrate the PCB layouts for this EVM. Figure 3. Top Assembly Layer Figure 4. Bottom Layer SLUUB49 – July 2014 Submit Documentation Feedback bq25071 EVM User's Guide Copyright © 2014, Texas Instruments Incorporated 9 ADDITIONAL TERMS AND CONDITIONS, WARNINGS, RESTRICTIONS, AND DISCLAIMERS FOR EVALUATION MODULES Texas Instruments Incorporated (TI) markets, sells, and loans all evaluation boards, kits, and/or modules (EVMs) pursuant to, and user expressly acknowledges, represents, and agrees, and takes sole responsibility and risk with respect to, the following: 1. User agrees and acknowledges that EVMs are intended to be handled and used for feasibility evaluation only in laboratory and/or development environments. Notwithstanding the foregoing, in certain instances, TI makes certain EVMs available to users that do not handle and use EVMs solely for feasibility evaluation only in laboratory and/or development environments, but may use EVMs in a hobbyist environment. All EVMs made available to hobbyist users are FCC certified, as applicable. Hobbyist users acknowledge, agree, and shall comply with all applicable terms, conditions, warnings, and restrictions in this document and are subject to the disclaimer and indemnity provisions included in this document. 2. Unless otherwise indicated, EVMs are not finished products and not intended for consumer use. EVMs are intended solely for use by technically qualified electronics experts who are familiar with the dangers and application risks associated with handling electrical mechanical components, systems, and subsystems. 3. User agrees that EVMs shall not be used as, or incorporated into, all or any part of a finished product. 4. User agrees and acknowledges that certain EVMs may not be designed or manufactured by TI. 5. User must read the user's guide and all other documentation accompanying EVMs, including without limitation any warning or restriction notices, prior to handling and/or using EVMs. Such notices contain important safety information related to, for example, temperatures and voltages. For additional information on TI's environmental and/or safety programs, please visit www.ti.com/esh or contact TI. 6. User assumes all responsibility, obligation, and any corresponding liability for proper and safe handling and use of EVMs. 7. Should any EVM not meet the specifications indicated in the user’s guide or other documentation accompanying such EVM, the EVM may be returned to TI within 30 days from the date of delivery for a full refund. THE FOREGOING LIMITED WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY TI TO USER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. TI SHALL NOT BE LIABLE TO USER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES RELATED TO THE HANDLING OR USE OF ANY EVM. 8. 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 EVMs might be or are used. TI currently deals with a variety of customers, and therefore TI’s 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 with respect to the handling or use of EVMs. 9. User assumes sole responsibility to determine whether EVMs may be subject to any applicable federal, state, or local laws and regulatory requirements (including but not limited to U.S. Food and Drug Administration regulations, if applicable) related to its handling and use of EVMs and, if applicable, compliance in all respects with such laws and regulations. 10. User has sole responsibility to ensure the safety of any activities to be conducted by it and its employees, affiliates, contractors or designees, with respect to handling and using EVMs. Further, user is responsible to ensure that any interfaces (electronic and/or mechanical) between EVMs 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. 11. User shall employ reasonable safeguards to ensure that user’s use of EVMs will not result in any property damage, injury or death, even if EVMs should fail to perform as described or expected. 12. User shall be solely responsible for proper disposal and recycling of EVMs consistent with all applicable federal, state, and local requirements. Certain Instructions. User shall operate EVMs within TI’s recommended specifications and environmental considerations per the user’s guide, accompanying documentation, and any other applicable requirements. Exceeding the specified ratings (including but not limited to input and output voltage, current, power, and environmental ranges) for EVMs may cause property damage, personal injury or death. If there are questions concerning these ratings, user should 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 applicable 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 EVMs’ schematics located in the applicable EVM user's guide. When placing measurement probes near EVMs during normal operation, please be aware that EVMs may become very warm. As with all electronic evaluation tools, only qualified personnel knowledgeable in electronic measurement and diagnostics normally found in development environments should use EVMs. Agreement to Defend, Indemnify and Hold Harmless. User agrees to defend, indemnify, and hold TI, its directors, officers, employees, agents, representatives, affiliates, 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 handling and/or use of EVMs. User’s indemnity shall apply whether Claims arise under law of tort or contract or any other legal theory, and even if EVMs fail to perform as described or expected. Safety-Critical or Life-Critical Applications. If user intends to use EVMs in evaluations of safety critical applications (such as life support), and a failure of a TI product considered for purchase by user for use in user’s 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 user must specifically notify TI of such intent and enter into a separate Assurance and Indemnity Agreement. RADIO FREQUENCY REGULATORY COMPLIANCE INFORMATION FOR EVALUATION MODULES Texas Instruments Incorporated (TI) evaluation boards, kits, and/or modules (EVMs) and/or accompanying hardware that is marketed, sold, or loaned to users may or may not be subject to radio frequency regulations in specific countries. General Statement for EVMs Not Including a Radio For EVMs not including a radio and not subject to the U.S. Federal Communications Commission (FCC) or Industry Canada (IC) regulations, TI intends EVMs to be used only for engineering development, demonstration, or evaluation purposes. EVMs are not finished products typically fit for general consumer use. EVMs may nonetheless generate, use, or radiate radio frequency energy, but have not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or the ICES-003 rules. Operation of such EVMs 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: For EVMs including a radio, the radio included in such EVMs is intended for development and/or professional use only in legally allocated frequency and power limits. Any use of radio frequencies and/or power availability in such EVMs and their development application(s) must comply with local laws governing radio spectrum allocation and power limits for such EVMs. 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 TI unless user has obtained appropriate experimental and/or development licenses from local regulatory authorities, which is the sole responsibility of the user, including its acceptable authorization. U.S. Federal Communications Commission Compliance 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 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 its 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. Industry Canada Compliance (English) 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. Canada Industry Canada Compliance (French) 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. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2014, Texas Instruments Incorporated spacer Important Notice for Users of EVMs Considered “Radio Frequency Products” in Japan EVMs entering Japan are NOT certified by TI as conforming to Technical Regulations of Radio Law of Japan. If user uses EVMs in Japan, user is required by Radio Law of Japan to follow the instructions below with respect to EVMs: 1. 2. 3. Use EVMs in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for Enforcement of Radio Law of Japan, Use EVMs only after user obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to EVMs, or Use of EVMs only after user obtains the Technical Regulations Conformity Certification as provided in Radio Law of Japan with respect to EVMs. Also, do not transfer EVMs, unless user gives the same notice above to the transferee. 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