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User’s Guide
TPS7A74EVM-068 Evaluation Module
ABSTRACT
Figure 1-1. TPS7A74EVM-068 Evaluation Module
This user's guide describes the operational use of the TPS7A74EVM-068 evaluation module (EVM) as a
reference design for engineering demonstration and evaluation of the TPS7A74 low-dropout linear regulator
(LDO). Included in this user's guide are setup and operating instructions, thermal and layout guidelines, a
printed-circuit board (PCB) layout, a schematic diagram, and a bill of materials (BOM).
Throughout this document, the terms evaluation board, evaluation module, and EVM are synonymous with the
TPS7A74EVM-068.
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Table of Contents
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Table of Contents
1 Introduction.............................................................................................................................................................................3
2 Setup........................................................................................................................................................................................3
2.1 LDO Input/Output Connector Descriptions.........................................................................................................................3
2.2 Optional Load Transient Input/Output Connector Descriptions..........................................................................................4
2.3 TPS7A74 LDO Operation and Component Selection........................................................................................................ 4
2.4 Optional Load Transient Circuit Operation......................................................................................................................... 6
3 Board Layout...........................................................................................................................................................................8
4 TPS7A74EVM Schematic..................................................................................................................................................... 10
5 Bill of Materials......................................................................................................................................................................11
List of Figures
Figure 1-1. TPS7A74EVM-068 Evaluation Module..................................................................................................................... 1
Figure 2-1. TPS7A74EVM-068 Turn-On......................................................................................................................................5
Figure 2-2. TPS7A74EVM-068 With Current Probes Attached................................................................................................... 5
Figure 2-3. TPS7A74EVM-068 Load Transient Results: 50-μA to 1.42-A Load Step..................................................................7
Figure 2-4. TPS7A74EVM-068 Load Transient Results: 1.42-A to 50-μA Load Step..................................................................7
Figure 3-1. Top Assembly Layer and Silk Screen........................................................................................................................8
Figure 3-2. Top Layer Routing..................................................................................................................................................... 8
Figure 3-3. Layer 2...................................................................................................................................................................... 8
Figure 3-4. Layer 3...................................................................................................................................................................... 8
Figure 3-5. Layer 4...................................................................................................................................................................... 9
Figure 3-6. Layer 5...................................................................................................................................................................... 9
Figure 3-7. Bottom Layer Routing................................................................................................................................................9
Figure 3-8. Bottom Assembly Layer and Silk Screen.................................................................................................................. 9
Figure 4-1. Schematic................................................................................................................................................................10
Trademarks
LeCroy™ is a trademark of Teledyne LeCroy.
Kapton® is a registered trademark of DuPont.
All trademarks are the property of their respective owners.
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Introduction
1 Introduction
The Texas Instruments TPS7A74EVM-068 evaluation module (EVM) helps designers evaluate the operation and
performance of the TPS7A74 LDO voltage regulator. As shown in Table 1-1, the TPS7A74EVM-068 contains
one TPS7A74 LDO voltage regulator in the DSD package. An optional load transient circuit is also included to
assist the user with high-speed load transient testing. To simplify current measurements, an input current loop is
included.
Table 1-1. Device Information
EVM ORDERABLE NUMBER
VOUT
PART NAME
PACKAGE
TPS7A74EVM-068
Adjustable
TPS7A7401DSDR
8-pin DSD
2 Setup
This section describes the jumpers and connectors on the EVM, and how to properly connect, set up, and use
the TPS7A74EVM-068. Section 2.1 and Section 2.3 describe the test setup and operation for the TPS7A74
LDO. Section 2.2 and Section 2.4 describe the test setup and operation of the optional load transient circuit.
2.1 LDO Input/Output Connector Descriptions
2.1.1 VIN and GND
VIN and GND are the connection terminals for the input supply. The VIN terminal is the positive connection, and
the GND terminal is the negative (that is, ground) connection.
2.1.2 BIAS and GND
BIAS and GND are the connection terminals for the bias supply. The BIAS terminal is the positive connection,
and the GND terminal is the negative (that is, ground) connection.
2.1.3 VOUT and GND
VOUT and GND are the connection terminals for the output load. The VOUT terminal is the positive connection,
and the GND terminal is the negative (that is, ground) connection.
2.1.4 EN
EN is a 3-pin header used to enable or disable the TPS7A74.
The center pin of the 3-pin header is tied to the TPS7A74 EN input. When the 2-pin shunt is placed across the
top two pins of the header, VIN is shorted to EN and the TPS7A74 is enabled. When the 2-pin shunt is placed
across the bottom two pins of the header, GND is shorted to EN and the TPS7A74 is disabled.
When driving the EN terminal with an off-board supply or signal generator, the applied voltage must be kept
between 0 V and 5.5 V.
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Setup
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2.2 Optional Load Transient Input/Output Connector Descriptions
2.2.1 VDD and GND
VDD and GND are the connection terminals for the input supply of the load transient circuit. The VDD terminal is
the positive connection, and the GND terminal is the negative (that is, ground) connection.
2.2.2 J20
J20 is an optional connection for the user to make measurements or apply loads to the output of the LDO.
2.2.3 J22
J22 is an optional connection to insert a damping circuit across the load transient MOSFET drain to source
voltage.
2.2.4 J23
J23 is an optional connection to insert capacitance or additional load across the drain to source of the load
transient MOSFET.
2.2.5 J25
J25 is the connection for the function generator to drive the gate driver device. J25 is terminated by the 50-Ω
resistor, R24.
2.2.6 J26
J26 is a high-frequency kelvin connection that allows accurate measurements of the load transient MOSFET
drain to source voltage.
2.2.7 J28
J28 is a high-frequency kelvin connection that allows accurate measurements of the load transient MOSFET
gate to source voltage.
2.2.8 TP2
TP2 is the test point used to enable the gate driver device. Tie this pin to GND to enable the gate driver.
2.3 TPS7A74 LDO Operation and Component Selection
The TPS7A74EVM-068 evaluation module contains the TPS7A74 LDO with input, bias, soft-start, and output
capacitors installed, as well as feedback resistors installed. These seven components provide an implementation
example, as illustrated by the white boxes in Figure 2-2. The prepopulated capacitors are sized to ensure the
minimum capacitance requirements are maintained under all normal operating conditions. Optional pads are
available to test the LDO with additional setpoint options, as well as input, bias, and output capacitors beyond
what is already installed on the EVM.
Setpoint resistors are prepopulated on the TPS7A74EVM-068 to provide an output voltage of 1 V, 1.2 V, 1.5 V,
1.8 V, or 3.3 V. Select one of these output voltages by using the provided shunt to short the necessary pin on
header J16. If 0.65 V is desired on VOUT, remove the shunt from J16 and short J6. For other voltage options,
resistor R10 can be populated and R1 modified as necessary. See the Application and Implementation section in
the TPS7A74 data sheet for guidance on selecting R10 and R1 for alternate values of VOUT.
The TPS7A74 LDO can be enabled or disabled by using the J9 3-pin header:
•
•
Place a 2-pin shunt across the header to tie VIN to EN to enable the device
Place a 2-pin shunt across the header to tie GND to EN to disable the device
Alternatively, by connecting an external function generator to TP1 (EN) and a nearby GND post (J17), the
user can enable or disable the TPS7A74 LDO after VIN is applied. Figure 2-1 illustrates the result of the
TPS7A74EVM-068 during turn-on. The blue trace is the enable voltage, the green trace is the output voltage,
and the red trace is the load current.
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Setup
Figure 2-1. TPS7A74EVM-068 Turn-On
If desired, a current probe can be inserted in the EVM as shown in Figure 2-2 to measure the input and output
current. The slots were sized to fit most current probes, such as the LeCroy™ AP015 or CP031 current probes.
Figure 2-2. TPS7A74EVM-068 With Current Probes Attached
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Setup
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The user has two options for providing a DC load on the output of the TPS7A74. J12 can be used to place a
DC load that flows through the current sense path on the output of the LDO. Alternatively, the J4 (VOUT) and
J18 (GND) banana connectors can be used for external measurements and loading; however, the IOUT loop
does not sense current flowing through these connectors. In cases where very fast transient tests are performed,
ringing may occur on VIN or VOUT as a result of the PCB parasitic inductance. Placing a strip of wire on the
exposed copper in the current path can reduce this ringing. 10 AWG wire can be used as needed. If ringing
persists, install damping networks by adding a series resistor and capacitor in parallel with VIN. Locations where
damping can be installed include C5 and R8, C6 and R9, C10 and R7, and C18 and R23.
WARNING
Current probe sensors can be tied to GND and must not come into contact with energized
conductors. See the user manual of your current probe for details. If your current probe has this
limitation, use a thin strip of electrical or Kapton® tape to isolate the current sense path from the
current probe.
Optional kelvin sense points are provided using the SMA connectors J1 (VIN) and J2 (VOUT).
2.4 Optional Load Transient Circuit Operation
The TPS7A74EVM-068 evaluation module contains an optional high-performance load transient circuit to allow
efficient testing of the TPS7A74 LDO load transient performance. To use the optional load transient circuit, install
the correct components in accordance with the application. Modify the input and output capacitance connected
to the TPS7A74 LDO to match the expected operating conditions. Determine the desired peak current to test,
and modify the parallel resistor combination of R12, R13, R14, R15, and R16 as shown:
IPeak =
VOUT
R12 R13 R14 R15 R16
(1)
The slew rate of the load step can be adjusted by C17, R17, R18, and R20. In this section, only R18 and R20
are adjusted to set the slew rate. For a 0-mA to 1.5-A to 0-mA load step, use Table 2-1 to select a value of R18
and R20 that results in the desired rise or fall time.
Table 2-1. Suggested Ramp Rate Resistor Values
6
R18
R20
Rise, Fall Time
90.9 kΩ
97.6 kΩ
12 µs
44.2 kΩ
47.5 kΩ
6 µs
28 kΩ
23.2 kΩ
3 µs
14 kΩ
12.1 kΩ
1.5 µs
6.65 kΩ
5.9 kΩ
750 ns
3.24 kΩ
2.49 kΩ
300 ns
1.43 kΩ
1.21 kΩ
150 ns
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Setup
After the EVM is modified (if needed), connect a power supply to banana connectors J24 (VDD) and J30 (GND)
with a 5-V DC supply and a 1-A DC current limit. As illustrated in Figure 2-3 and Figure 2-4, the TPS7A74
transient response is very fast and the output voltage recovers in well under 1 ms after the initial load transient.
Use a pulse-duration limit of 1 ms to prevent excessive heating of the pulsed resistors (R12, R13, R14, R15,
and R16). Configure a function generator for the 50-Ω output, in a 0-V DC to 5-V DC square pulse. If necessary,
burst mode can be configured in the function generator for repetitive, low duty cycle, load transient testing.
Use J16 to short R2 to GND and configure VOUT to be 1-V DC. The series combination of R1 and R2 provide
50-μA of DC load current. A 20-kΩ resistor is installed on the EVM at R18, and a 20-kΩ resistor is installed on
the EVM at R20. These resistors provide approximately 0.75-A/μs slew rate from 0 mA to 1.5 A, and 0.5-A/μs
slew rate from 1.5 A to 0 mA. Figure 2-3 and Figure 2-4 provide example test data with R18 = 20 kΩ and R20 =
20 kΩ. The orange trace is the input voltage, the green trace is the output voltage, and the red trace is the output
current. R12, R13, R14, R15, and R16 provide 1.42 A of pulsed load. The resulting test data shows a 50-μA to
1.42-A load step on VOUT of the LDO, with only a 47-μF capacitor on the output of the LDO.
Figure 2-3. TPS7A74EVM-068 Load Transient
Results: 50-μA to 1.42-A Load Step
Figure 2-4. TPS7A74EVM-068 Load Transient
Results: 1.42-A to 50-μA Load Step
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Board Layout
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3 Board Layout
Figure 3-1 through Figure 3-8 illustrate the board layout for the TPS7A74EVM-068 PCB.
The TPS7A74EVM-068 dissipates power, which may cause some components to experience an increase in
temperature. The TPS7A74 LDO and pulsed resistors R12, R13, R14, R15, and R16 are most at risk of
raising the junction temperature during normal operation. The LDO may become hot to the touch during normal
operation, see the thermal impedance discussion in the TPS7A74 data sheet.
8
Figure 3-1. Top Assembly Layer and Silk Screen
Figure 3-2. Top Layer Routing
Figure 3-3. Layer 2
Figure 3-4. Layer 3
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Board Layout
Figure 3-5. Layer 4
Figure 3-6. Layer 5
Figure 3-7. Bottom Layer Routing
Figure 3-8. Bottom Assembly Layer and Silk
Screen
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TPS7A74EVM Schematic
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4 TPS7A74EVM Schematic
Figure 4-1 shows a schematic for the TPS7A74EVM-068.
1
2
1
2
J1
GND
GND
J2
U1
J3
Vin Re comme nde d Ma x = 5.5V
J5
BIAS Re comme nde d Ma x = 5.5V
IN
4
EN
2
3
1
C6
25V
10uF
C10
25V
10uF
J7
C11
63V
10uF
J 11
4
2
J10
1
2
J 13
C12
10V
10uF
C14
47µF
6.3V
R8
1.00
C7
10V
4.7uF
Thermal_Pad
GND
SS
OUT
7
FB
9
8
GND
C1
25V
1000pF
R1
J6
7.15k
TPS7A7401DSDR
R2
13.3k
R3
8.45k
R4
5.49k
R5
4.02k
Vout Ma x = 3.6V
Iout Ma x = 1.5A
C2
10V
10uF
R6
1.74k
C8
47µF
6.3V
C3
10µF
10V
C4
63V
10uF
TP1
C13
10V
10uF
C15
47µF
6.3V
R9
1.00
J 14
1uF
10V
3
2
1
R7
1.00
1
2
C16
J9
4
2
2
1
C9
47µF
6.3V
FB
BIAS
3
5
6
J12
R10
7.15k
2
4
6
8
10
3
1
C5
25V
10uF
J8
OUT
OUT
EN
BIAS 1
SS
J4
IN
J 16
1
3
5
7
9
J 15
J 17
J 18
GND
R11
1.00k
1
2
J 19
BIAS
EN
SS
IN
J 20
R12
154
R13
154
R14
154
R15
154
R16
154
1
3
5
7
2
4
6
8
FB
OUT
J 21
GND
R17
J 29
R23
1.00
J25
C21
50V
10uF
C22
50V
10uF
C20
50V
0.1uF
1
TP2
C1
C2
J 27
R24
0
OUTH
IN+
OUTL
IN-
GND
C17
100V
1pF
R18
B2
20k
R20
B1
J 23
Q1
CS D17313Q2
R19
1.00k
3
R21
0
1
J 28
LMG1020YFFR
J 22
20k
1,2,
5,6,8
VDD
A2
4,7
C18
25V
10uF
A1
2
3
4
5
VDD
VDD Re comme nde d Ma x = 5.4V
R22
0
2
C19
50V
0.015uF
J 26
2
VDD
1
U2
J 24
C23
1nF
100V
49.9
J 30
GND
C24
1nF
100V
GND
GND
Figure 4-1. Schematic
10
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5 Bill of Materials
Table 5-1 shows the bill of materials for the TPS7A74EVM-068.
Table 5-1. Bill of Materials
Designator
Quantity
Value
Description
PackageReference PartNumber
!PCB1
1
LP068
Any
C7
1
4.7uF
CAP, CERM, 4.7 uF, 10 V, +/- 10%, X5R,
0603
603
C0603C475K8PAC
TU
Kemet
C8, C15
2
47µF
47 µF ±20% 6.3V Ceramic Capacitor X5R 805
0805 (2012 Metric)
08056D476MAT2A
KYOCERA AVX
C16
1
1µF
1µF ±10% 10V Ceramic Capacitor X7R
0402 (1005 Metric)
402
GMC04X7R105K10 Cal-Chip Electronics
NT
C20
1
0.1uF
CAP, CERM, 0.1 uF, 50 V, +/- 10%, X7R,
0402
402
C1005X7R1H104K0 TDK
50BB
C21, C22
2
10µF
10 µF ±10% 50V Ceramic Capacitor X7R
1206 (3216 Metric)
1206
GMC31X7R106K50 Cal-Chip Electronics
NT
FID1, FID2, FID3,
FID4, FID8
5
Fiducial mark. There is nothing to buy or
mount.
N/A
N/A
N/A
J3, J4, J5, J24
4
Standard Banana Jack, insulated, 10A,
red
571-0500
571-0500
DEM Manufacturing
J9
1
Header, 2.54 mm, 3x1, Gold, TH
Header, 2.54mm,
3x1, TH
61300311121
Wurth Elektronik
J10, J12
2
Terminal Block, 5 mm, 2x1, Tin, TH
Terminal Block, 5
mm, 2x1, TH
691 101 710 002
Wurth Elektronik
J13, J14, J22, J23,
J27, J29
6
Jumper, SMT
shorting jumper,
SMT
JMP-36-30X40SMT Any
J15, J17, J18, J30
4
Standard Banana Jack, insulated, 10A,
black
571-0100
571-0100
DEM Manufacturing
J16
1
Header, 2.54mm, 5x2, Gold, SMT
Header, 2.54mm,
5x2, SMT
TSM-105-01-L-DV
Samtec
J25
1
SMA Straight Jack, Gold, 50 Ohm, TH
SMA Straight Jack,
TH
901-144-8RFX
Amphenol RF
J28
1
Connector, SMA Jack, Vertical, Gold,
SMD
SMA
142-0711-201
Cinch Connectivity
Q1
1
30V
MOSFET, N-CH, 30 V, 5 A, DQK0006C
(WSON-6)
DQK0006C
CSD17313Q2
Texas Instruments
R1
1
7.15k
7.15 kOhms ±1% 0.1W, 1/10W Chip
Resistor 0402 (1005 Metric) Automotive
AEC-Q200 Thick Film
402
ERJ-2RKF7151X
Panasonic
R2
1
13.3k
RES, 13.3 k, 1%, 0.1 W, 0603
603
RC0603FR-0713K3 Yageo
L
R3
1
8.45k
RES, 8.45 k, 1%, 0.1 W, 0603
603
RC0603FR-078K45 Yageo
L
R4
1
5.49k
RES, 5.49 k, 1%, 0.1 W, 0603
603
RC0603FR-075K49 Yageo
L
Printed Circuit Board
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PartNumber
Alternate
Manufacturer
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Table 5-1. Bill of Materials (continued)
Designator
Quantity
Value
Description
PackageReference PartNumber
R5
1
4.02k
RES, 4.02 k, 1%, 0.1 W, 0603
603
RC0603FR-074K02 Yageo
L
R6
1
1.74k
RES, 1.74 k, 1%, 0.1 W, 0603
603
RC0603FR-071K74 Yageo
L
R18, R20
2
20k
20 kOhms ±1% 0.1W, 1/10W Chip
Resistor 0402 (1005 Metric) Automotive
AEC-Q200 Thick Film
402
ERJ-2RKF2002X
R24
1
49.9
RES Thick Film, 49.9Ω, 1%, 0.75W,
100ppm/°C, 1206
1206
CRCW120649R9FK Vishay Dale
EAHP
SH-J1, SH-J2
2
1x2
Shunt, 100mil, Gold plated, Black
Shunt
SNT-100-BK-G
TP1, TP2
2
Test Point, Compact, SMT
Testpoint_Keystone 5016
_Compact
Keystone
U1
1
1.5-A Low-Dropout Linear Regulator With
Programmable Soft-Start
WSON8
TPS7A7401DSDR
Texas Instruments
U2
1
5V, 7A/5A Low Side GaN Driver
With 60MHz/1ns Speed, YFF0006AEAE
(DSBGA-6)
YFF0006AEAE
LMG1020YFFR
Texas Instruments
C1
0
1000pF
CAP, CERM, 1000 pF, 25 V, +/- 5%, X7R,
0402
402
C0402C102J3RAC
TU
Kemet
C2, C12, C13
0
10uF
CAP, CERM, 10 uF, 10 V,+/- 20%, X5R,
0603
603
GRM188R61A106M MuRata
AALD
C3
0
10uF
CAP, CERM, 10 uF, 10 V, +/- 20%, X7R,
0805
805
C2012X7R1A106M
125AC
C4, C11
0
10uF
CAP, CERM, 10 uF, 63 V, +/- 10%, X7R,
1210
1210
GRM32ER71J106K MuRata
A12L
C5, C6, C10, C18
0
10uF
CAP, TA, 10 uF, 25 V, +/- 20%, 0.5 ohm,
SMD
6032-28
TPSC106M025R05
00
AVX
C9, C14
0
47µF
47 µF ±20% 6.3V Ceramic Capacitor X5R 805
0805 (2012 Metric)
08056D476MAT2A
KYOCERA AVX
C17
0
1pF
CAP, CERM, 1 pF, 100 V, +/- 5%, C0G/
NP0, 0805
805
GQM2195C2A1R0
CB01D
MuRata
C19
0
0.015uF
CAP, CERM, 0.015 uF, 50 V, +/- 10%,
X7R, 0402
402
GRM155R71H153K MuRata
A12D
C23, C24
0
1000pF
CAP, CERM, 1000 pF, 100 V, +/- 5%,
X7R, 0603
603
06031C102JAT2A
AVX
FID5, FID6, FID7
0
Fiducial mark. There is nothing to buy or
mount.
N/A
N/A
N/A
J1, J2, J26
0
Connector, SMA Jack, Vertical, Gold,
SMD
SMA
142-0711-201
Cinch Connectivity
J6, J21
0
Jumper, SMT
shorting jumper,
SMT
JMP-36-30X40SMT Any
J7, J8
0
Header, 100mil, 2x2, Gold, TH
2x2 Header
TSW-102-07-G-D
12
TPS7A74EVM-068 Evaluation Module
Manufacturer
Alternate
PartNumber
Alternate
Manufacturer
969102-0000-DA
3M
LMG1020YFFT
Texas Instruments
Panasonic
Samtec
TDK
Samtec
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TPS7A74EVM Schematic
Table 5-1. Bill of Materials (continued)
Designator
Quantity
J11, J20
Value
Description
PackageReference PartNumber
Manufacturer
0
Header, 100mil, 2x1, Gold, TH
Sullins 100mil, 1x2,
230 mil above
insulator
PBC02SAAN
Sullins Connector
Solutions
J19
0
Header, 2mm, 4x2, Tin, TH
Header, 2mm, 4x2,
TH
TMM-104-01-T-D
Samtec
R7, R8, R9, R23
0
1
RES, 1.00, 1%, 0.333 W, AEC-Q200
Grade 1, 0805
805
ERJ-6BQF1R0V
Panasonic
R10
0
7.15k
7.15 kOhms ±1% 0.1W, 1/10W Chip
Resistor 0402 (1005 Metric) Automotive
AEC-Q200 Thick Film
402
ERJ-2RKF7151X
Panasonic
R11, R19
0
1.00k
RES, 1.00 k, 1%, 0.125 W, AEC-Q200
Grade 0, 0805
805
ERJ-6ENF1001V
Panasonic
R12, R13, R14,
R15, R16
0
154
RES, 154, 1%, 0.5 W, 1210
1210
RC1210FR-07154R Yageo
L
R17
0
0
RES, 0, 5%, 0.125 W, AEC-Q200 Grade
0, 0805
805
ERJ-6GEY0R00V
R21, R22
0
0
RES, 0, 1%, 0.1 W, AEC-Q200 Grade 0,
0603
603
RMCF0603ZT0R00 Stackpole
Electronics Inc
SBVU076 – APRIL 2022
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TPS7A74EVM-068 Evaluation Module
Copyright © 2022 Texas Instruments Incorporated
13
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.
2
Limited 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.
www.ti.com
3
Regulatory 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.
2
www.ti.com
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.
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. 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.
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
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.
3
www.ti.com
4
EVM 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.
4
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.
www.ti.com
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
5
IMPORTANT NOTICE AND DISCLAIMER
TI PROVIDES TECHNICAL AND RELIABILITY DATA (INCLUDING DATA SHEETS), DESIGN RESOURCES (INCLUDING REFERENCE
DESIGNS), APPLICATION OR OTHER DESIGN ADVICE, WEB TOOLS, SAFETY INFORMATION, AND OTHER RESOURCES “AS IS”
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
TI products for your application, (2) designing, validating and testing your application, and (3) ensuring your application meets applicable
standards, and any other safety, security, regulatory or other requirements.
These resources are subject to change without notice. TI grants you permission to use these resources only for development of an
application that uses the TI products described in the resource. Other reproduction and display of these resources is prohibited. No license
is granted to any other TI intellectual property right or to any third party intellectual property right. TI disclaims responsibility for, and you
will fully indemnify TI and its representatives against, any claims, damages, costs, losses, and liabilities arising out of your use of these
resources.
TI’s products are provided subject to TI’s Terms of Sale or other applicable terms available either on ti.com or provided in conjunction with
such TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for
TI products.
TI objects to and rejects any additional or different terms you may have proposed. IMPORTANT NOTICE
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
Copyright © 2022, Texas Instruments Incorporated
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