Texas Instruments TPS715EVM-074 User manual

User’s Guide
TPS715EVM-074 Evaluation Module
ABSTRACT
Figure 1-1. TPS715EVM-074 Evaluation Module
This user guide describes the operational use of the TPS715EVM-074 evaluation module (EVM) as a reference
design for engineering demonstration and evaluation of the TPS71501DCKR, low-dropout linear regulator
(LDO). Included in this user guide are setup and operating instructions, layout guidelines, a printed circuit
board (PCB) layout, a schematic diagram, and a bill of materials (BOM). Throughout this document, the terms
demonstration kit, evaluation board, evaluation module, and EVM are synonymous with the TPS715EVM-074.
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Table of Contents
1 Introduction.............................................................................................................................................................................3
1.1 Before You Begin............................................................................................................................................................... 3
2 Schematic................................................................................................................................................................................4
3 EVM Setup............................................................................................................................................................................... 5
3.1 Jumper Connections.......................................................................................................................................................... 5
3.2 Test Points..........................................................................................................................................................................5
3.3 Soldering Guidelines.......................................................................................................................................................... 5
4 Equipment Connection and Operation................................................................................................................................. 5
5 PCB Layout..............................................................................................................................................................................6
6 Bill of Materials (BOM)............................................................................................................................................................7
List of Figures
Figure 1-1. TPS715EVM-074 Evaluation Module........................................................................................................................1
Figure 2-1. TPS715EVM-074 Schematic.....................................................................................................................................4
Figure 5-1. TPS715EVM-074 Top Layer Routing........................................................................................................................ 6
Figure 5-2. TPS715EVM-074 Internal Layer 1 Routing............................................................................................................... 6
Figure 5-3. TPS715EVM-074 Internal Layer 2 Routing............................................................................................................... 6
Figure 5-4. TPS715EVM-074 Bottom Layer Routing...................................................................................................................6
List of Tables
Table 3-1. Selecting VOUT.......................................................................................................................................................... 5
Table 3-2. Test Point Functions....................................................................................................................................................5
Table 6-1. TPS715EVM-074 BOM...............................................................................................................................................7
Trademarks
All trademarks are the property of their respective owners.
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1 Introduction
Texas Instruments' TPS715EVM-074 helps design engineers evaluate the operation and performance of
the TPS71501DCKR linear regulator for possible use in their own circuit application. This particular EVM
configuration contains a single 50-mA, mid-voltage, low-IQ, low-dropout regulator (LDO) for general applications.
The regulator is capable of delivering up to 50 mA and has a VIN range of up to 24 V. For stability for the
TPS71501DCKR, use a 1-µF (or larger) output capacitor (Cout).
1.1 Before You Begin
The following warnings are noted for the safety of anyone using or working close to the TPS715EVM-074.
Observe all safety precautions.
WARNING
Failure to adhere to these steps or to not heed the safety requirements at each step may lead to
shock, injury, and damage to the hardware. Texas Instruments is not responsible or liable in any way
for shock, injury, or damage caused by negligence or failure to heed advice. If you are not trained
in the proper safety of handling and testing power electronics please do not test this evaluation
module.
CAUTION:
!
Caution! Do not leave EVM powered when unattended.
HOT SURFACE:
Caution Hot Surface! Contact may cause burns. Do not touch.
Please take the proper precautions when operating.
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2 Schematic
Figure 2-1 shows the schematic for the TPS715EVM-074.
FB 1 NC
3
IN
4OUT 5
2
GND
TPS71501DCKR
U2
IN
1
GND 4
FB 5
OUT 8
PAD 9
NC
2
NC
3
NC
6
NC
7
TPS715A01DRBR
U1
DNP
J1 J3
J2 J4
1
2
J6
1
2
J5
50V
0.1uF
Cin_A1
DNP
100nF
100V
Cin_B
DNP
100V
1uF
Cin_C
DNP
Vout_TPVin_TP
GndA GndB GndC
1.00M
R1
1
2
J11
1
2
J12
1
2
J13
1
2
J14
GND
1µF
50V
Cout_B
DNP
50V
1uF
Cout_A
499k
RFB_T
287k
R2
158k
R3
68.1k
R4
100V
0.01µF
Cff2
DNP
100V
0.01µF
Cff1
DNP
50V
0.1uF
Cin_A2
Input
Input Output
Output
FB
FB
GND
1
2
3 4 5
J7
DNP
1
2
3 4 5
J8
DNP
1 2
3 4
5 6
J9
DNP
Input
FB
Output
GND
100V
1µF
Cout_C
DNP
Vin Max = 24V
Iin Max = 50mA
Vout Max = 15V
Iout Max = 50mA
Figure 2-1. TPS715EVM-074 Schematic
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3 EVM Setup
This section describes how to properly connect and setup the TPS715EVM-074, including the jumpers and
connectors on the EVM board. See Section 4 for the proper connections of test equipment.
3.1 Jumper Connections
3.1.1 J11-14: Output Voltage Select
Connect a shunt across the pins to set the output voltage. Table 3-1 lists the VOUT settings.
Table 3-1. Selecting VOUT
VOUT Jumper to Short
1.8 V J11
3.3 V J12
5 V J13
10 V J14
3.2 Test Points
Table 3-2 lists the test points for the TPS715EVM-074.
Table 3-2. Test Point Functions
TEST
POINTS
NAME DESCRIPTION
Vout_TP VOUT Regulated DC output.
Vin_TP VIN Unregulated DC input.
GNDA GND
Device GND.GNDB GND
GNDC GND
3.3 Soldering Guidelines
To avoid damaging the LDO, use a hot-air system for any solder rework to modify the EVM for the purpose of
repair or other application reasons.
4 Equipment Connection and Operation
Connect test equipment as described in this section and follow the listed steps to properly take measurements.
1. Configure the onboard shunts to set the main output voltage VOUT
2. Verify that the input voltage power supply is set from 0 V to 24 V
3. Connect the anode of the power supply to J1 (VIN) and the cathode to J2 (GND)
4. Connect the anode of the load for the output to J3 and the cathode to J4
5. Turn on the power supply
6. Vary VIN and the load as necessary for testing purposes
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5 PCB Layout
Figure 5-1 through Figure 5-4 depict the layout of the TPS715EVM-074.
Figure 5-1. TPS715EVM-074 Top Layer Routing Figure 5-2. TPS715EVM-074 Internal Layer 1
Routing
Figure 5-3. TPS715EVM-074 Internal Layer 2
Routing
Figure 5-4. TPS715EVM-074 Bottom Layer Routing
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6 Bill of Materials (BOM)
Table 6-1 shows the BOM for this EVM.
Table 6-1. TPS715EVM-074 BOM
Designator Quantity Value Description Package
Reference
Part Number Manufacturer Alternate
Part
Number
Alternate
Manufacturer
!PCB1 1 Printed Circuit Board LP074 Any
Cff1, Cff2 2 0.01uF CAP, CERM, 0.01 µF, 100 V,+/- 10%,
X8R, AEC-Q200 Grade 0, 0603
0603 CGA3E2X8R2A103
K080AD
TDK
Cin_A1,
Cin_A2
2 0.1uF CAP, CERM, 0.1 uF, 50 V, +/- 10%, X5R,
0603
0603 C1608X5R1H104K0
80AA
TDK
Cin_B 1 0.1uF CAP, CERM, 0.1 uF, 100 V, +/- 10%,
X7R, 0805
0805 C2012X7R2A104K1
25AA
TDK
Cin_C 1 1uF CAP, CERM, 1 uF, 100 V, +/- 10%, X7R,
1206
1206 C3216X7R2A105K1
60AA
TDK
Cout_A 1 1uF CAP, CERM, 1 uF, 50 V, +/- 10%, X5R,
0603
0603 C1608X5R1H105K0
80AB
TDK
Cout_B 1 1uF CAP, CERM, 1 µF, 50 V,+/- 10%, X7R,
0805
0805 CL21B105KBFNFN
E
Samsung
Cout_C 1 1uF CAP, CERM, 1 µF, 100 V,+/- 10%, X7R,
1206
1206 CC1206KKX7R0BB
105
Yageo
America
GndA,
GndB,
GndC,
Vin_TP,
Vout_TP
5 Test Point, Compact, SMT Testpoint_Keys
tone_Compact
5016 Keystone
Electronics
J1, J3 2 Standard Banana Jack, insulated, 10A,
red
571-0500 571-0500 DEM
Manufacturing
J2, J4 2 Standard Banana Jack, insulated, 10A,
black
571-0100 571-0100 DEM
Manufacturing
J5, J6 2 Terminal Block, 5 mm, 2x1, Tin, TH Terminal Block,
5 mm, 2x1, TH
691 101 710 002 Wurth
Elektronik
J7, J8 2 SMA Straight Jack, Gold, 50 Ohm, TH SMA Straight
Jack, TH
901-144-8RFX Amphenol RF
J9 1 Header, 2.54mm, 3x2, Gold, TH Header,
2.54mm, 3x2,
TH
61300621121 Wurth
Elektronik
J11, J12,
J13, J14
4 Header, 100mil, 2x1, Gold, TH Sullins 100mil,
1x2, 230 mil
above insulator
PBC02SAAN Sullins
Connector
Solutions
R1 1 1.00M
eg
RES, 1.00 M, 1%, 0.1 W, AEC-Q200
Grade 0, 0603
Header,
2.54mm, 3x1,
SMT
RMCF0603FG1M00 Stackpole
Electronics Inc
R2 1 287k RES, 287 k, 1%, 0.1 W, 0603 0603 RC0603FR-07287K
L
Yageo
R3 1 158k RES, 158 k, 1%, 0.1 W, 0603 0603 RC0603FR-07158K
L
Yageo
R4 1 68.1k RES, 68.1 k, 1%, 0.1 W, 0603 0603 RC0603FR-0768K1
L
Yageo
RFB_T 1 499k RES, 499 k, 1%, 0.1 W, 0603 0603 RC0603FR-07499K
L
Yageo
U1 1 24-V, 80-mA, Low Iq, Low-Dropout
Linear Regulator, DRB0008A (VSON-8)
DRB0008A TPS715A01DRBR Texas
Instruments
U2 1 Single Output LDO, 50 mA, Adjustable
1.2 to 15 V Output, 3 to 24 V Input, 5-pin
SC70 (DCK), -40 to 125 degC, Green
(RoHS & no Sb/Br)
DCK0005A TPS71501DCKR Texas
Instruments
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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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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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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.