Texas Instruments LM76005QEVM User manual

User’s Guide
LM76005QEVM User’s Guide
1 LM76005QEVM User’s Guide
The Texas Instruments LM76005QEVM evaluation modules (EVM) help designers evaluate the operation and
performance of the LM76005-Q1 wide-input voltage buck regulator. The output voltage for the device offers
configurability from 1-V to 95% of VIN, synchronous rectification, PFM, and forced PWM mode and a 200-kHz to
500-kHz adjustable frequency range with a 400-kHz default frequency. It also offers external frequency
synchronization, power-good (PG) flag, and a precision enable to program undervoltage lockout (UVLO) and
internal compensation. Built-in protection includes current limit, overvoltage and undervoltage protection, and
thermal shutdown. The LM76005QEVM is configured for an output voltage of 3.3 V and a switching frequency of
400 kHz. Refer to the LM76005-Q1 3.5-V to 60-V, 5-A Synchronous Step-Down Voltage Regulator Data Sheet
for additional features, detailed description, and available options.
The EVM contains one DC-DC converter (see Table 1-1).
Table 1-1. Device and Package Configurations
CONVERTER IC PACKAGE
U1 LM76005-Q1 (RNP) WQFN-30
Table of Contents
1 LM76005QEVM User’s Guide.................................................................................................................................................1
2 Setup........................................................................................................................................................................................2
2.1 Input/Output (I/O) Connector Description...........................................................................................................................2
2.2 Voltage Setup.....................................................................................................................................................................3
2.3 Operation........................................................................................................................................................................... 3
3 Schematic................................................................................................................................................................................4
4 Board Layout...........................................................................................................................................................................5
5 Bill of Materials......................................................................................................................................................................11
6 Application Curves............................................................................................................................................................... 12
7 Revision History................................................................................................................................................................... 12
Trademarks
All other trademarks are the property of their respective owners.
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2 Setup
This section describes the test points and connectors on the EVM and how to properly connect, set up, and use
the LM76005QEVM. Refer to Figure 2-1 for a top view of the EVM and relative placement of the different test
points and connectors.
Figure 2-1. Top View of LM76005QEVM
2.1 Input/Output (I/O) Connector Description
VIN – Terminal on
J1
The power input terminal for the converter
VOUT – Terminal
on J2
The regulated output voltage for the converter
VIN_EMI – Terminal
on J6
Used to supply the input voltage through an on board LC filter (if one is needed for
conducted EMI/EMC measurement). The L1 and CBULK component pads are located on
the bottom side of the EVM. Refer to Figure 3-1 for initial suggestion of component
values. J6 and LC filter are not populated on this EVM.
GND – Terminal on
J1, J2 and J6
The ground reference for the converter
EN – Testpoint Used to enable the converter by supplying a voltage greater than 1.2 V (typ) or just to
monitor the voltage on this pin whenever a resistor divider is in place (for precision enable
applications). The regulator is enabled when VIN > 3.5 V. This threshold can be calculated
by:
RENT
Enable _ Voltage VIH_EN 1 RENB
§ ·
˜ 
¨ ¸
© ¹
(1)
Setup www.ti.com
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PG – Testpoint Used to monitor the power-good flag. This flag indicates whether the output voltage has
reached its regulation point. This pin is an open-drain output that requires a pullup resistor
to the appropriate logic voltage (any voltage less than 20 V).
PG_PU – Testpoint The top connection of an optional 100-kΩ pullup resistor that ties directly to the open-
drain PG pin. Supply an appropriate voltage to this test point, or tie it directly to the VOUT
test point to observe the PG flag operation if the output voltage is set less than 20 V.
SYNC – Testpoint The input terminal for an optional external input clock to the converter as well a mode pin
for converter. If used, the external clock frequency must be between 200 kHz and 500
kHz.
2.2 Voltage Setup
Set the input voltage (VIN) range for the converter between the operating voltage range of 3.5 V to 60 V. If a load
is driven, it must be applied to the VOUT terminal and must not exceed the maximum load current of 5 A for
LM76005-Q1.
Note
Please remove R3 and tie BIAS pin to ground if output voltage is set higher than 24 V.
2.3 Operation
For proper operation of the LM76005-Q1, VIN, GND, and VOUT must be properly configured as stated above. In
this configuration, the device starts up when power is applied, and the output voltage of the regulator (VOUT)
comes up to the proper value. The default setting for output voltage of the LM76005-Q1 is 3.3 V. Other output
voltages can be set by replacing the feedback pin resistor dividers R7 and R8; consult the data sheet for proper
selection of these resistor values.
The default frequency for the LM76005QEVM is 400 kHz. If other frequencies are desired within the frequency
range of 200 kHz and 500 kHz, the RT resistor value can be changed. See the LM76005-Q1 3.5-V to 60-V, 5-A
Synchronous Step-Down Voltage Regulator Data Sheet for proper selection of the RT resistor. Change inductor
L2 and total output capacitance for proper control loop operation.
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3 Schematic
Figure 3-1. LM76005QEVM Schematic
Schematic www.ti.com
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4 Board Layout
Figure 4-1 through Figure 4-5 show the board layout for the LM76005QEVM. The EVM offers resistors,
capacitors, and test points to configure the output voltage and precision enable pin, and set frequency and
external clock synchronization.
The RNP WQFN-30 package offers an exposed thermal pad which must be soldered to the copper landing on
the PCB for optimal thermal performance. The PCB consists of a 4-layer design. There are 2-oz copper planes
on the top and bottom and 1-oz copper mid-layer planes to dissipate heat with an array of thermal vias under the
thermal pad to connect to all four layers.
Test points have been provided for ease of use to connect the power supply and required load, and monitor
critical signals.
Figure 4-1. Top Silkscreen Layer
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Figure 4-2. Top Layer Routing
Board Layout www.ti.com
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Figure 4-3. Mid Layer 1 Ground Plane
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Figure 4-4. Mid Layer 2 Routing
Board Layout www.ti.com
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Figure 4-5. Bottom Layer Routing
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Figure 4-6. Bottom Layer Routing
Board Layout www.ti.com
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5 Bill of Materials
Table 5-1. LM76005QEVM Bill of Materials (BOM) for 400-kHz Configuration
DESIGNATOR COMMENT DESCRIPTION MANUFACTURER PART NUMBER QUANTITY
PCB Printed Circuit Board Printed Circuit Board Any BSR112 1
C7, C8 CAP, CERM, 4.7 µF, 100 V, ±10%, X7S, 1210 TDK C3225X7S2A475K200AB 2
C9, C16, C18 CAP, CERM, 0.1 µF, 100 V, ±10%, X7R, AEC-Q200
Grade 1, 0603
MuRata GCJ188R72A104KA01D 3
C10 CVCC CAP, CERM, 2.2 µF, 10 V, ±10%, X7R, 0603 TDK C1608X7R1A225K080AC 1
C11 CO1 CAP, CERM, 0.47 µF, 50 V, ±10%, X7R, 0603 TDK C1608X7R1H474K080AC 1
C12, C13, C14, C15 CAP, CERM, 47 µF, 10 V, ±10%, X7R, 1210 MuRata GRM32ER71A476KE15L 4
C17 CBOOT CAP, CERM, 0.47 µF, 25 V, ±10%, X5R, 0603 MuRata GRM188R61E474KA12D 1
C20 CFF CAP, CERM, 4.7 pF, 50 V, ±5%, C0G/NP0, 0603 AVX 06035A4R7CAT2A 1
J1, J2 VIN, VOUT connector Terminal Block, 5.08 mm, 2x1, Brass, TH On-Shore Technology ED120/2DS 2
J3 Header, 100 mil, 4x1, Gold, TH Samtec TSW-104-07-G-S 1
J4 Header, 100 mil, 2x1, Gold, TH Samtec TSW-102-07-G-S 1
J5 Header, 100 mil, 3x1, Gold, TH Samtec HTSW-103-07-G-S 1
L2 Inductor, Shielded, Composite, 5.6 µH, 11.4 A, 0.01
Ω, SMD
Coilcraft XAL7070-562MEB 1
R3 RBIAS RES, 0, 5%, 0.1 W, AEC-Q200 Grade 0, 0603 Vishay-Dale CRCW06030000Z0EA 1
R4 RINJ RES, 100, 1%, 0.125 W, AEC-Q200 Grade 0, 0805 Vishay-Dale CRCW0805100RFKEA 1
R2, R5, R7 RES, 100 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 Vishay-Dale CRCW0603100KFKEA 3
R8 RES, 43.2 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 Vishay-Dale CRCW060343K2FKEA 1
R9 RES, 59.0 k, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 Vishay-Dale CRCW060359K0FKEA 1
R10 RES, 232 k, 1%, 0.125 W, AEC-Q200 Grade 0,
0805
Vishay-Dale CRCW0805232KFKEA 1
R11 RES, 121 k, 1%, 0.125 W, AEC-Q200 Grade 0,
0805
Vishay-Dale CRCW0805121KFKEA 1
SH-J1, SH-J2 Shunt Shunt, 100 mil, Gold plated, Black Samtec SNT-100-BK-G 2
TP1 VIN Test Point, Multipurpose, Red, TH Keystone 5010 1
TP2, TP10 VOUT, PG_PU Test Point, Multipurpose, Orange, TH Keystone 5013 2
TP3, TP8, TP11,
TP12, TP13
VCC, EN, PG, SYNC,
FRA
Test Point, Multipurpose, Yellow, TH Keystone 5014 5
TP4, TP5, TP6, TP7,
TP9
GND Test Point, Multipurpose, Black, TH Keystone 5011 5
U1 LM76005QRNPRQ1 3.5-V to 60-V 5-A Synchronous Step-Down Voltage
Regulator, RNP0030A (WQFN-30)
Texas Instruments LM76005QRNPRQ1 1
C1 CAP, AL, 33 µF, 63 V, ±20%, SMD Chemi-Con EMVE630ADA330MHA0G 0
C2, C3 CAP, CERM, 1 µF, 100 V, ±10%, X7R, 1206 TDK C3216X7R2A105K160AA 0
C4 CAP, CERM, 0.1 µF, 100 V, ±10%, X7R, AEC-Q200
Grade 1, 0603
MuRata C3225X7S2A475K200AB 0
C5, C6 CAP, CERM, 4.7 µF, 100 V, ±10%, X7S, 1210 TDK C3225X7S2A475K200AB 0
FID1, FID2, FID3,
FID4, FID5, FID6
Fiducial Fiducial mark. There is nothing to buy or mount. N/A N/A 0
J6 VIN_EMI connector Terminal block, 5.08 mm, 2x1, Brass, TH On-Shore Technology ED120/2DS 0
L1 Inductor, Shielded, Composite, 2.2 µH, 12.9 A,
0.0137 Ω, SMD
Coilcraft XAL7030-222MEB 0
L3 Ferrite Bead, 110 Ω @ 100 MHz, 5.4 A, 1206 Wurth Elektronik 74279221111 0
R6 RES, 100, 1%, 0.1 W, AEC-Q200 Grade 0, 0603 Vishay-Dale CRCW0603100RFKEA 0
www.ti.com Bill of Materials
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6 Application Curves
Load Current (A)
E ff ic ie n c y (% )
0.001 0.01 0.02 0.05 0.1 0.2 0.5 1 2 3 4 5 6
0
10
20
30
40
50
60
70
80
90
100
VIN = 8 V
VIN = 12 V
VIN = 24 V
VIN = 36 V
VOUT = 3.3 V fSW = 400 kHz Auto Mode
Figure 6-1. LM76005-Q1 Efficiency
Load Current (A)
E ff ic ie n c y (% )
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
50
55
60
65
70
75
80
85
90
95
100
VIN = 8 V
VIN = 12 V
VIN = 24 V
VIN = 36 V
VOUT = 3.3 V fSW = 400 kHz FPWM Mode
Figure 6-2. LM76005-Q1 Efficiency
Load Current (A)
O u tp u t V o lt ag e ( V )
0.001 0.01 0.02 0.05 0.1 0.2 0.5 1 2 3 4 55
3.3
3.32
3.34
3.36
3.38
3.4
3.42
3.44
3.46
3.48
3.5
VIN = 8 V
VIN = 12 V
VIN = 24 V
VIN = 36 V
VOUT = 3.3 V fSW = 400 kHz Auto Mode
Figure 6-3. LM76005-Q1 Load and Line Regulation
Load Current (A)
O u tp u t V o lt ag e (V )
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
3.3
3.32
3.34
3.36
3.38
3.4
3.42
3.44
3.46
3.48
3.5
VIN = 8 V
VIN = 12 V
VIN = 24 V
VIN = 36 V
VOUT = 3.3 V fSW = 400 kHz FPWM Mode
Figure 6-4. LM76005-Q1 Load and Line Regulation
VIN = 12 V VOUT = 3.3 V fSW = 400 kHz
5-A Load
Figure 6-5. LM76005-Q1 Thermal Picture
VIN = 24 V VOUT = 3.3 V fSW = 400 kHz
5-A Load
Figure 6-6. LM76005-Q1 Thermal Picture
7 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Application Curves www.ti.com
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Changes from February 11, 2020 to September 7, 2020 (from Revision * (February 2020) to
Revision A (July 2020)) Page
• Updated Figure 2-1 ............................................................................................................................................2
• Updated Section 2.2 .......................................................................................................................................... 3
• Updated Section 4 ............................................................................................................................................. 5
• Updated Table 5-1 ............................................................................................................................................11
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LM76005QEVM User’s Guide 13
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STANDARD TERMS FOR EVALUATION MODULES
1. Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or
documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance
with the terms set forth herein. User's acceptance of the EVM is expressly subject to the following terms.
1.1 EVMs are intended solely for product or software developers for use in a research and development setting to facilitate feasibility
evaluation, experimentation, or scientific analysis of TI semiconductors products. EVMs have no direct function and are not
finished products. EVMs shall not be directly or indirectly assembled as a part or subassembly in any finished product. For
clarification, any software or software tools provided with the EVM (“Software”) shall not be subject to the terms and conditions
set forth herein but rather shall be subject to the applicable terms that accompany such Software
1.2 EVMs are not intended for consumer or household use. EVMs may not be sold, sublicensed, leased, rented, loaned, assigned,
or otherwise distributed for commercial purposes by Users, in whole or in part, or used in any finished product or production
system.
2Limited Warranty and Related Remedies/Disclaimers:
2.1 These terms do not apply to Software. The warranty, if any, for Software is covered in the applicable Software License
Agreement.
2.2 TI warrants that the TI EVM will conform to TI's published specifications for ninety (90) days after the date TI delivers such EVM
to User. Notwithstanding the foregoing, TI shall not be liable for a nonconforming EVM if (a) the nonconformity was caused by
neglect, misuse or mistreatment by an entity other than TI, including improper installation or testing, or for any EVMs that have
been altered or modified in any way by an entity other than TI, (b) the nonconformity resulted from User's design, specifications
or instructions for such EVMs or improper system design, or (c) User has not paid on time. Testing and other quality control
techniques are used to the extent TI deems necessary. TI does not test all parameters of each EVM.
User's claims against TI under this Section 2 are void if User fails to notify TI of any apparent defects in the EVMs within ten (10)
business days after delivery, or of any hidden defects with ten (10) business days after the defect has been detected.
2.3 TI's sole liability shall be at its option to repair or replace EVMs that fail to conform to the warranty set forth above, or credit
User's account for such EVM. TI's liability under this warranty shall be limited to EVMs that are returned during the warranty
period to the address designated by TI and that are determined by TI not to conform to such warranty. If TI elects to repair or
replace such EVM, TI shall have a reasonable time to repair such EVM or provide replacements. Repaired EVMs shall be
warranted for the remainder of the original warranty period. Replaced EVMs shall be warranted for a new full ninety (90) day
warranty period.
WARNING
Evaluation Kits are intended solely for use by technically qualified,
professional electronics experts who are familiar with the dangers
and application risks associated with handling electrical mechanical
components, systems, and subsystems.
User shall operate the Evaluation Kit within TI’s recommended
guidelines and any applicable legal or environmental requirements
as well as reasonable and customary safeguards. Failure to set up
and/or operate the Evaluation Kit within TI’s recommended
guidelines may result in personal injury or death or property
damage. Proper set up entails following TI’s instructions for
electrical ratings of interface circuits such as input, output and
electrical loads.
NOTE:
EXPOSURE TO ELECTROSTATIC DISCHARGE (ESD) MAY CAUSE DEGREDATION OR FAILURE OF THE EVALUATION
KIT; TI RECOMMENDS STORAGE OF THE EVALUATION KIT IN A PROTECTIVE ESD BAG.

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2
3Regulatory Notices:
3.1 United States
3.1.1 Notice applicable to EVMs not FCC-Approved:
FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software
associated with the kit to determine whether to incorporate such items in a finished product and software developers to write
software applications for use with the end product. This kit is not a finished product and when assembled may not be resold or
otherwise marketed unless all required FCC equipment authorizations are first obtained. Operation is subject to the condition
that this product not cause harmful interference to licensed radio stations and that this product accept harmful interference.
Unless the assembled kit is designed to operate under part 15, part 18 or part 95 of this chapter, the operator of the kit must
operate under the authority of an FCC license holder or must secure an experimental authorization under part 5 of this chapter.
3.1.2 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
NOTE: 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
NOTE: 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.
3.2 Canada
3.2.1 For EVMs issued with an Industry Canada Certificate of Conformance to RSS-210 or RSS-247
Concerning EVMs Including Radio Transmitters:
This device complies with Industry Canada license-exempt RSSs. 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.
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.
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.

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3
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
3.3 Japan
3.3.1 Notice for EVMs delivered in Japan: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page 日本国内に
輸入される評価用キット、ボードについては、次のところをご覧ください。
http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page
3.3.2 Notice for Users of EVMs Considered “Radio Frequency Products” in Japan: EVMs entering Japan may not be certified
by TI as conforming to Technical Regulations of Radio Law of Japan.
If User uses EVMs in Japan, not certified to Technical Regulations of Radio Law of Japan, User is required to follow the
instructions set forth by Radio Law of Japan, which includes, but is not limited to, the instructions below with respect to EVMs
(which for the avoidance of doubt are stated strictly for convenience and should be verified by User):
1. Use EVMs in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal
Affairs and Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for
Enforcement of Radio Law of Japan,
2. Use EVMs only after User obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to
EVMs, or
3. 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. Please note
that if User does not follow the instructions above, User will be subject to penalties of Radio Law of Japan.
【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 開発キットの中には技術基準適合証明を受けて
いないものがあります。 技術適合証明を受けていないもの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. 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。
2. 実験局の免許を取得後ご使用いただく。
3. 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
3.3.3 Notice for EVMs for Power Line Communication: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page
電力線搬送波通信についての開発キットをお使いになる際の注意事項については、次のところをご覧ください。http:/
/www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page
3.4 European Union
3.4.1 For EVMs subject to EU Directive 2014/30/EU (Electromagnetic Compatibility Directive):
This is a class A product intended for use in environments other than domestic environments that are connected to a
low-voltage power-supply network that supplies buildings used for domestic purposes. In a domestic environment this
product may cause radio interference in which case the user may be required to take adequate measures.

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4EVM Use Restrictions and Warnings:
4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT
LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS.
4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling
or using the EVM, including without limitation any warning or restriction notices. The notices contain important safety information
related to, for example, temperatures and voltages.
4.3 Safety-Related Warnings and Restrictions:
4.3.1 User shall operate the EVM within TI’s recommended specifications and environmental considerations stated in the user
guide, other available documentation provided by TI, and any other applicable requirements and employ reasonable and
customary safeguards. Exceeding the specified performance ratings and specifications (including but not limited to input
and output voltage, current, power, and environmental ranges) for the EVM may cause personal injury or death, or
property damage. If there are questions concerning performance ratings and specifications, 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 also result in unintended and/or inaccurate operation and/or possible
permanent damage to the EVM and/or interface electronics. Please consult the EVM user 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, even with the inputs and outputs kept within the specified allowable ranges, some circuit
components may have elevated case temperatures. These components include but are not limited to linear regulators,
switching transistors, pass transistors, current sense resistors, and heat sinks, which can be identified using the
information in the associated documentation. When working with the EVM, please be aware that the EVM may become
very warm.
4.3.2 EVMs are intended solely for use by technically qualified, professional electronics experts who are familiar with the
dangers and application risks associated with handling electrical mechanical components, systems, and subsystems.
User assumes all responsibility and liability for proper and safe handling and use of the EVM by User or its employees,
affiliates, contractors or designees. User assumes all responsibility and liability to ensure 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. User assumes all responsibility and
liability for any improper or unsafe handling or use of the EVM by User or its employees, affiliates, contractors or
designees.
4.4 User assumes all responsibility and liability to determine whether the EVM is subject to any applicable international, federal,
state, or local laws and regulations related to User’s handling and use of the EVM and, if applicable, User assumes all
responsibility and liability for compliance in all respects with such laws and regulations. User assumes all responsibility and
liability for proper disposal and recycling of the EVM consistent with all applicable international, federal, state, and local
requirements.
5. Accuracy of Information: To the extent TI provides information on the availability and function of EVMs, TI attempts to be as accurate
as possible. However, TI does not warrant the accuracy of EVM descriptions, EVM availability or other information on its websites as
accurate, complete, reliable, current, or error-free.
6. Disclaimers:
6.1 EXCEPT AS SET FORTH ABOVE, EVMS AND ANY MATERIALS PROVIDED WITH THE EVM (INCLUDING, BUT NOT
LIMITED TO, REFERENCE DESIGNS AND THE DESIGN OF THE EVM ITSELF) ARE PROVIDED "AS IS" AND "WITH ALL
FAULTS." TI DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, REGARDING SUCH ITEMS, INCLUDING BUT
NOT LIMITED TO ANY EPIDEMIC FAILURE WARRANTY OR IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS
FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF ANY THIRD PARTY PATENTS, COPYRIGHTS, TRADE
SECRETS OR OTHER INTELLECTUAL PROPERTY RIGHTS.
6.2 EXCEPT FOR THE LIMITED RIGHT TO USE THE EVM SET FORTH HEREIN, NOTHING IN THESE TERMS SHALL BE
CONSTRUED AS GRANTING OR CONFERRING ANY RIGHTS BY LICENSE, PATENT, OR ANY OTHER INDUSTRIAL OR
INTELLECTUAL PROPERTY RIGHT OF TI, ITS SUPPLIERS/LICENSORS OR ANY OTHER THIRD PARTY, TO USE THE
EVM IN ANY FINISHED END-USER OR READY-TO-USE FINAL PRODUCT, OR FOR ANY INVENTION, DISCOVERY OR
IMPROVEMENT, REGARDLESS OF WHEN MADE, CONCEIVED OR ACQUIRED.
7. USER'S INDEMNITY OBLIGATIONS AND REPRESENTATIONS. USER WILL 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
HANDLING OR USE OF THE EVM THAT IS NOT IN ACCORDANCE WITH THESE TERMS. THIS OBLIGATION SHALL APPLY
WHETHER CLAIMS ARISE UNDER STATUTE, REGULATION, OR THE LAW OF TORT, CONTRACT OR ANY OTHER LEGAL
THEORY, AND EVEN IF THE EVM FAILS TO PERFORM AS DESCRIBED OR EXPECTED.

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8. Limitations on Damages and Liability:
8.1 General Limitations. IN NO EVENT SHALL TI BE LIABLE FOR ANY SPECIAL, COLLATERAL, INDIRECT, PUNITIVE,
INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES IN CONNECTION WITH OR ARISING OUT OF THESE
TERMS OR THE USE OF THE EVMS , REGARDLESS OF WHETHER TI HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES. EXCLUDED DAMAGES INCLUDE, BUT ARE NOT LIMITED TO, COST OF REMOVAL OR
REINSTALLATION, ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, RETESTING,
OUTSIDE COMPUTER TIME, LABOR COSTS, LOSS OF GOODWILL, LOSS OF PROFITS, LOSS OF SAVINGS, LOSS OF
USE, LOSS OF DATA, OR BUSINESS INTERRUPTION. NO CLAIM, SUIT OR ACTION SHALL BE BROUGHT AGAINST TI
MORE THAN TWELVE (12) MONTHS AFTER THE EVENT THAT GAVE RISE TO THE CAUSE OF ACTION HAS
OCCURRED.
8.2 Specific Limitations. IN NO EVENT SHALL TI'S AGGREGATE LIABILITY FROM ANY USE OF AN EVM PROVIDED
HEREUNDER, INCLUDING FROM ANY WARRANTY, INDEMITY OR OTHER OBLIGATION ARISING OUT OF OR IN
CONNECTION WITH THESE TERMS, , EXCEED THE TOTAL AMOUNT PAID TO TI BY USER FOR THE PARTICULAR
EVM(S) AT ISSUE DURING THE PRIOR TWELVE (12) MONTHS WITH RESPECT TO WHICH LOSSES OR DAMAGES ARE
CLAIMED. THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT.
9. Return Policy. Except as otherwise provided, TI does not offer any refunds, returns, or exchanges. Furthermore, no return of EVM(s)
will be accepted if the package has been opened and no return of the EVM(s) will be accepted if they are damaged or otherwise not in
a resalable condition. If User feels it has been incorrectly charged for the EVM(s) it ordered or that delivery violates the applicable
order, User should contact TI. All refunds will be made in full within thirty (30) working days from the return of the components(s),
excluding any postage or packaging costs.
10. Governing Law: These terms and conditions shall be governed by and interpreted in accordance with the laws of the State of Texas,
without reference to conflict-of-laws principles. User agrees that non-exclusive jurisdiction for any dispute arising out of or relating to
these terms and conditions lies within courts located in the State of Texas and consents to venue in Dallas County, Texas.
Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief
in any United States or foreign court.
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
Copyright © 2019, Texas Instruments Incorporated

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AND WITH ALL FAULTS, AND DISCLAIMS ALL WARRANTIES, EXPRESS AND IMPLIED, INCLUDING WITHOUT LIMITATION ANY
IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF THIRD
PARTY INTELLECTUAL PROPERTY RIGHTS.
These resources are intended for skilled developers designing with TI products. You are solely responsible for (1) selecting the appropriate
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Copyright © 2020, Texas Instruments Incorporated