User's Guide
SLVU690 – April 2012
TPS62366AEVM-757
This user’s guide describes the characteristics, operation, and use of the Texas Instruments TPS62366A
evaluation module (EVM). This EVM is designed to help the user easily evaluate and test the operation
and functionality of the TPS62366A. The EVM converts a 2.5-V to 5.5-V input voltage to a regulated
output voltage that delivers 4 A. The output voltage is programmable via the I2C interface in 10-mV steps
between 0.5V and 1.77V. This user’s guide includes setup instructions for the hardware, printed-circuit
board layouts for the EVM, a schematic diagram, a bill of materials, and test results for the EVM.
1
2
3
4
5
6
7
Contents
Introduction .................................................................................................................. 2
Setup ......................................................................................................................... 3
Software Setup and Operation ............................................................................................ 6
Circuit Use and Modifications ............................................................................................. 8
Test Results ................................................................................................................ 10
Board Layout ............................................................................................................... 15
Schematic and Bill of Materials .......................................................................................... 18
List of Figures
1
TPS62366A Software Main Panel ........................................................................................ 6
2
Efficiency vs Input Voltage ............................................................................................... 10
3
Efficiency vs Output Current ............................................................................................. 10
4
Load Regulation (Forced PWM Mode) ................................................................................. 10
5
Line Regulation ............................................................................................................ 10
6
Start-up (VIN = 3.6V, VOUT = 1.2V, IOUT = 2A)
7
Shutdown (VIN = 3.6V, VOUT = 1.2V, IOUT = 0, active output capacitor discharge enabled) ....................... 11
8
Output Voltage Ripple (VIN = 3.6V, VOUT = 1.2V, IOUT = 4A)........................................................... 12
9
Input Voltage Ripple (VIN = 3.6V, VOUT = 1.2V, IOUT = 4A) ............................................................. 12
10
Load Transient Response (VIN = 3.6V, VOUT = 1.2V, IOUT = 1A to 2A step) ......................................... 13
11
Thermal Performance (VIN = 3.6V, VOUT = 1.2V, IOUT = 4A) ........................................................... 14
12
Assembly Layer ............................................................................................................ 15
13
Top Layer ................................................................................................................... 16
14
Layer 2 ...................................................................................................................... 16
15
Layer 3
16
17
...........................................................................
.....................................................................................................................
Bottom Layer ...............................................................................................................
TPS62366AEVM-757 Schematic ........................................................................................
11
17
17
18
List of Tables
1
Performance Specification Summary..................................................................................... 2
2
Default Jumper Settings.................................................................................................... 5
3
TPS62366A Solution Required Components .......................................................................... 19
4
TPS62366AEVM-757 Evaluation Components ........................................................................ 19
VeriSign is a trademark of VeriSign, Inc.
All other trademarks are the property of their respective owners.
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1
Introduction
1
Introduction
1.1
Requirements
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To operate this EVM, connect and properly configure the following components:
A personal computer (PC) with a USB port is required to operate this EVM. The TPS62366A interface
software runs on the PC and communicates with the EVM via the PC’s USB port. Commands can be
sent to the internal registers of the TPS62366A through the USB port. The software has been tested
with the PC requirements listed below. It may work with other operating systems and configurations,
but this has not been verified.
Personal Computer Requirements
• Windows XP™ operating system
• .NET 2.0 or higher
• USB port
• 10 MB of free hard disk space
• 512 MB of RAM
USB-TO-GPIO Adapter
The USB-TO-GPIO adapter is the link that allows the PC and the EVM to communicate. One end of
the USB-TO-GPIO adapter connects to the PC with the supplied USB cable. The other end of the
USB-TO-GPIO adapter connects to the EVM with the supplied ribbon cable.
When a command is written to the EVM, the interface program running on the PC sends the
commands to the PC USB port. The USB-TO-GPIO adapter receives the USB command, converts the
signal to an I2C protocol, and sends the I2C signal to the TPS62366A EVM board.
Software
Texas Instruments provides software to assist in evaluating this EVM. This software can be
downloaded from the TPS62366AEVM-757 Product Page, located at:
http://focus.ti.com/docs/toolsw/folders/print/tps62366Aevm-757.html.
Printed-Circuit Board Assembly
The board contains the TPS62366A IC and the required external components to evaluate it as a
processor power supply solution.
1.2
Performance Specification Summary
A summary of the performance specifications is provided in Table 1. Specifications are given for an input
voltage of 3.6V and an output voltage of 1.2V, unless otherwise specified. The TPS62366A is designed
and tested for VIN = 2.5V to 5.5V. The ambient temperature is 25°C for all measurements, unless
otherwise noted.
Table 1. Performance Specification Summary
SPECIFICATION
TEST CONDITIONS
VIN voltage range
Output voltage set point
Programmable in 10 mV steps
Output current range
Line regulation
IOUT = 2A, VOUT = 1.2V
Load regulation
VIN = 3.6V, VOUT = 1.2V
IOUT = 1A to 2A
Load transient response
IOUT = 2A to 1A
2
MIN
TYP
MAX
2.5
3.6
5.5
UNIT
V
0.5
1.77
V
0
4
A
±0.1%
Voltage change
±0.1%
40
mV
Recovery time
8
μs
Voltage change
42
mV
Recovery time
Input ripple voltage
VIN = 3.6V, VOUT = 1.2V, IOUT = 4A
Output ripple voltage
VIN = 3.6V, VOUT = 1.2V, IOUT = 4A
Maximum efficiency
VIN = 3.6V, VOUT = 1.77V, IOUT = 760mA
TPS62366AEVM-757
9
μs
76
mVPP
6
mVPP
92.1%
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Setup
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2
Setup
This section describes the jumpers and connectors on the EVM as well as how to properly connect, set
up, and use the TPS62366AEVM-757.
2.1
2.1.1
Connector/Jumper Descriptions
J1 – VIN
This header is for the positive input supply voltage to the converter. The leads to the input supply should
be twisted and kept as short as possible to minimize EMI transmission and reduce inductive voltage droop
during a load transient event. This voltage should be between 2.5V and 5.5V.
2.1.2
J2 – S+/SSense connector for VIN. Connect input supply's sense leads to this point. Monitor the VIN voltage at this
point.
2.1.3
J3 – GND
This is the return connection for the input power supply of the converter. The leads to the input supply
should be twisted and kept as short as possible to minimize EMI transmission and reduce inductive
voltage droop during a load transient event.
2.1.4
J4 – VOUT
This header connects to VOUT. Connect the load (processor) at this point if the load current will remain
below 1A. If the load current will exceed 1A, use terminal block J7 instead. The leads to the load should
be twisted and kept as short as possible to minimize EMI transmission and reduce inductive voltage droop
during a load transient event.
2.1.5
J5 – SNS+/SNSRemote sense connector for the IC. For proper regulation, this must be connected at the load. The
leads to the load should be twisted and kept as short as possible to minimize noise pickup. This is a high
impedance connection back to the TPS62366A's remote sense inputs and is required for output
regulation. Monitor the output voltage at this point.
NOTE: User must connect J5 to load.
2.1.6
J6 – GND
This is the return connection for the load. If the load current will exceed 1A, do not use headers J4 and J6,
but use terminal block J7 instead. The leads to the load should be twisted and kept as short as possible to
minimize EMI transmission and reduce inductive voltage droop during a load transient event.
2.1.7
J7 – VOUT/GND Terminal Block
This terminal block should be used to connect to the load (processor) if the load current will exceed 1A. If
the load current will remain below 1A, the J4/J6 headers may be used instead. The leads to the load
should be twisted and kept as short as possible to minimize EMI transmission and reduce inductive
voltage droop during a load transient event.
2.1.8
J8 – I2C Connection from USB-TO-GPIO Adaptor
This connects the USB-TO-GPIO adaptor to the TPS62366AEVM-757. It provides the I2C signals and a
3.3V supply for powering VDD. If the USB-TO-GPIO adaptor is not used, do not connect to J8, but connect
the I2C signals to the J9 header instead. This connector is keyed to prevent incorrect installation.
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Setup
2.1.9
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J9 – I2C Monitor Point and Alternate Connection
This header is provided to connect to or monitor the I2C signals on the TPS62366AEVM-757. If the I2C
signals are being sent via this header (and not via the USB-TO-GPIO adaptor), do not plug into the J8
header and provide a separate VDD supply on JP1 without any jumper installed.
2.1.10
J10 – Load Step Signal Input
This SMA connector accepts a signal input from a function generator that drives Q1 in order to evaluate
the TPS62366A's transient response. Since this connector is not installed, TP4 can be used for the same
function.
2.1.11
JP1 – VDD Control
This jumper is used to connect VDD to either a 3.3V rail provided by the USB-TO-GPIO adaptor (jumper
across pins 1 and 2) or to GND to reset the I2C registers (jumper across pins 2 and 3). Alternatively, the
user can provide their own VDD voltage (1.15 - 3.6V) between pins 2 and 3 of JP1. No jumper should be
installed in this case. For normal operation without an external supply voltage, the jumper should be
installed between pins 1 and 2.
2.1.12
JP2 – VSEL
This jumper sets the VSEL pin to either a logic high (jumper across pins 1 and 2) or a logic low (jumper
across pins 2 and 3).
2.1.13
JP3 – EN
This jumper sets the EN pin to either a logic high (jumper across pins 1 and 2) or a logic low (jumper
across pins 2 and 3). When EN is low, the TPS62366A output will be off and not switching. Set EN to high
to turn on the output voltage.
2.2
Software Setup
The software is available at the TI website,
http://focus.ti.com/docs/toolsw/folders/print/tps62366Aevm-757.html.
Download and unzip the file. Run setup.exe and follow the on screen instructions to complete the
installation.
NOTE: The installation page is best viewed with Microsoft Internet Explorer browser (it may not work
correctly with other browsers).
The Microsoft .Net Framework 2.0 is required for the software to run.
After installation, the software should automatically run. To run the software later, go to
Start→All Programs→Texas Instruments→TPS62366x EVM→TPS62366x EVM.
During future use of the software, it may prompt you to install a new version if one becomes available on
the Web.
NOTE:
2.3
VeriSign™ Code Signing is used to prevent any malicious code from changing this
application. If at any time in the future the binaries are modified, the code will no longer
attempt to run.
Hardware Setup
Table 2 shows the default jumper settings.
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Setup
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Table 2. Default Jumper Settings
JUMPER
DEFAULT
JP1
Installed across pins 1 and 2
JP2
Installed across pins 2 and 3
JP3
Installed across pins 1 and 2
Connect the USB-TO-GPIO adapter to your PC using the supplied USB cable. Connect the
TPS62366AEVM connector J8 to the USB-TO-GPIO adapter using the supplied 10-pin ribbon cable. The
connectors on the ribbon cable are keyed to prevent incorrect installation.
USB Interface Adaptor Quick Connection Diagram
Host
Computer
10-Pin
Ribbon
Cable
USB
Interface
Adapter
USB Cable
Green LED
Indicates
Power
EVM Board
Connect the load (processor) to either the output headers J4 and J6 (for currents below 1A) or to the
output terminal block J7 (for currents greater than 1A). The leads should be short and twisted.
Connect the SNS+ and SNS- signals from header J5 to the load. For proper regulation, these must be
connected to the output.
NOTE: User must connect J5 to load.
Install jumpers, JP1 through JP3 to the desired positions. Jumper JP3 must be across pins 1 and 2 for the
TPS62366A to operate.
Connect at least a 2 A rated input power supply, set to provide between 2.5V and 5.5V, between J1 and
J3. The leads should be short and twisted. Turn on the power supply.
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Software Setup and Operation
3
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Software Setup and Operation
This section provides descriptions of the EVM software and functionality.
The supplied software is used to communicate with the TPS62366AEVM. Click on the icon on the host PC
to start the software. The host PC software first checks the firmware version of the USB-TO-GPIO
adapter. If an incorrect firmware version is installed, the software automatically searches on the Internet (if
connected) for updates. If a new update is available, the software notifies the user of the update,
downloads and installs the software. Note that after the firmware is updated, the user must disconnect and
then reconnect the USB cable between the adapter and PC, as instructed during the install process. The
host PC software also automatically searches on the Internet (if connected) for updates to the EVM
software. If a new update is available, the software notifies the user of the update, downloads and installs
the update.
VIN and VDD must be supplied for the software to detect the TPS62366A and run.
The software reads the registers on the TPS62366A and automatically determines which version of the IC
is installed. Even if the IC is disabled via the EN pin (JP3), the user can still communicate with the
TPS62366A if VIN and VDD are supplied. If no IC is detected, the software aborts loading.
The software displays the main panel for the user interface, shown in Figure 1.
Figure 1. TPS62366A Software Main Panel
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It is recommended that the user press the 'READ' button at the top of the screen immediately after loading
the software to confirm that the software and cable connections are working properly. The message box at
the top right of the main panel (I2C Activity) displays all I2C activity. The message box at the bottom (USB
Bridge Connected) displays whether or not the USB-TO-GPIO connection is functional.
The software itself performs no calculations or computations and simply reads and writes to and from the
IC's registers through the I2C interface. Each register's bits can either be changed manually by changing
the boxes corresponding to each bit in the panel's bottom left half (REGISTERS section), or they can be
changed through the drop-down boxes and buttons in the rest of the panel. Some bits are reserved and
not writeable. These will not allow you to click on them to change their setting. For example, since register
0x07h is reserved and not writeable, the software main panel does not allow writes to those bits. The I2C
bus speed is fixed at 100 kbps and this is noted at the bottom of the screen.
Following any change to an individual bit, drop-down box, or button, the user must write the new values to
the registers by either clicking the 'W' button to the left of each affected register or by clicking the 'WRITE'
button at the top of the screen.
In order to reduce the amount of manual reading and writing required, the two drop-downs at the top left of
the screen have been provided to do this automatically. The 'Auto Read' drop down allows the option of
automatically reading all the registers at specific time intervals. The 'Write On Changes' drop-down allows
the option of automatically writing a change to the registers as soon as it is made in the software.
The TPS62366A datasheet is available via the 'Help' menu (Internet access is required). The datasheet
discusses the functionality of the various register bits, which is also briefly repeated here.
The drop-downs in the top left section of the software (SET0-SET1 section) correspond to registers 0x00h
and 0x01h in the TPS62366A. These registers set the target output voltage and operating mode
(PFM/PWM or forced PWM). The output voltage on the TPS62366A is settable in 10 mV steps between
0.5V and 1.77V. The operating mode is either PFM/PWM, in which the IC is allowed to skip switching
pulses at light loads to keep the converting efficiency high, or forced PWM mode, in which the IC allows
negative inductor current at light loads to maintain a specific switching frequency and output noise. The
TPS62366A only runs at the settings of one of these two registers at a time. This operating register is
selected by the VSEL jumper and can be changed during operation.
The top right section of the software (CONTROLS section) contains the functionality of registers 0x04h
and 0x06h and some of the functionality of register 0x05h. The first two check boxes enable an internal
resistor on either the EN or VSEL pins. This resistor, which is internal to the TPS62366A, keeps that pin in
a defined state if it were left floating. The 'Disable Temperature shutdown feature' bit disables the
temperature shutdown internal to the IC, if selected. The 'Enable Active output capacitor discharge at
shutdown' forces the IC to actively discharge the output capacitor during shutdown. The first drop-down
sets the output voltage ramp timing and the final drop-down describes the ramp behavior when the
TPS62366A is changing its output voltage in PFM mode.
The bottom right section of the software (STATUS section) contains the remaining bits from register
0x05h. The top indicator is green if the IC die temperature is low enough and turns red when the bit is set
corresponding to a die temperature exceeding 120°C typical. The indicator on the bottom turns red if
thermal shutdown has occurred. When this occurs, the TPS62366A latches off and the temperature must
decrease below a hysteresis amount and the TJ Temp shutdown bit needs to be reset by the user. The
button at the bottom of this section is provided for this purpose.
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Circuit Use and Modifications
4
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Circuit Use and Modifications
Besides the required circuitry to operate the TPS62366A (outlined in a white silk screen border on the
PCB), there are additional circuits present on the TPS62366AEVM-757 that assist in evaluating the
TPS62366A as a processor power supply solution. Additionally, there are modifications that can be made
to adapt the circuit's performance to the needs of a particular application.
4.1
Load Step Circuit
The TPS62366AEVM-757 contains a simple circuit that produces fast load current steps at the output of
the TPS62366A. This evaluates the response of the TPS62366A to various load transients. To operate
this circuit, connect a function generator to TP4. The output of the function generator should be a square
wave with a small duty cycle. The output high level controls the gate to source voltage of the power
transistor, Q1, and should be adjusted to generate the desired step current high level. The output low level
sets the step current low level. Good settings to start with are a square wave signal running at 100 Hz and
5% duty cycle going from 0V to 3V. These settings can be adjusted in order to generate the desired load
step.
Resistor R6 is present to observe the load step current by measuring the voltage across TP2 and TP3.
Oscilloscope settings of 100mV / div translate to a current in R6 of 1A / div.
4.2
Output Voltage Buffer
The output voltage buffer circuit simply buffers the SNS+/- output with a unity gain op amp. This
transforms SNS+ and SNS- to a lower impedance signal that can be measured by high impedance
measurement equipment, such as an oscilloscope. The op amp, U2, is powered from the USB-TO-GPIO
adaptor. The USB-TO-GPIO adaptor must be installed for the output voltage buffer circuit to operate.
C14 is provided to reduce the bandwidth and noise of the input signal to the operational amplifier.
4.3
Circuit Modifications
Modifications may be made to the circuit. Any modifications affect the performance of the EVM and must
remain within the limits of the TPS62366A IC, as detailed in the datasheet.
4.3.1
Output Capacitors
There are four locations for extra output capacitors to be installed in order to reduce output ripple or
lessen the voltage drop due to a load transient. C7 allows an extra capacitor to be installed near the
TPS62366A IC, while C10, C11, and C12 allow extra capacitors to be installed closer to the point of load,
which is simulated by the load step circuit. The total output capacitance must remain below the maximum
capacitance allowed in the datasheet. C10, C11, and C12 come pre-installed with typical capacitances
used at the processor's input.
4.3.2
Input Capacitors
C9 is provided to locate additional input capacitance near the TPS62366A input. Additional capacitance at
C9 decreases the input voltage ripple.
C8 is provided to form a complete 'PI'-type filter for the AVIN input. With the change of R1 to some small
value (around 10 Ω), the C-R-C filter is complete. This filter is not necessary for operation of the
TPS62366A.
4.3.3
I2C Pull-up Resistors
R2 and R3 are locations for optional pull-up resistors for the I2C signals. They are required when not using
the USB-TO-GPIO adaptor but are not recommended when using the adaptor. If used, their typical value
is around 2.2kΩ.
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4.3.4
Local Sensing Resistors
If it is not desired to connect the SNS+ and SNS- signals at the load, they may be connected on the EVM
by installing 0-Ω resistors in both R4 and R5.
NOTE: User must connect J5 to load or populate R4 and R5.
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Test Results
5
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Test Results
This section provides typical performance waveforms for the TPS62366AEVM-757.
100
100
IOUT = 2 A
VOUT = 1.2 V
VIN = 3.6 V
90
96
80
94
70
92
60
Efficiency (%)
Efficiency (%)
98
90
88
50
40
86
30
84
20
82
10
80
2.5
3
3.5
4
4.5
Input Voltage (V)
5
VOUT = 0.96 V
VOUT = 1.2 V
VOUT = 1.4 V
VOUT = 1.77 V
0
0.0001
5.5
0.001
0.01
0.1
Load Current (A)
1
10
G001
G002
Figure 3. Efficiency vs Output Current
0.1
0.1
0.08
0.08
0.06
0.06
0.04
0.04
Line Regulation (%)
Load Regulation (%)
Figure 2. Efficiency vs Input Voltage
0.02
0
−0.02
0.02
0
−0.02
−0.04
−0.04
−0.06
−0.06
−0.08
−0.08
VIN = 3.6 V
VOUT = 1.2 V
−0.1
0.0001
0.001
IOUT = 2 A
VOUT = 1.2 V
0.01
0.1
Load Current (A)
1
10
−0.1
2.5
3
3.5
4
4.5
Input Voltage (V)
G003
Figure 4. Load Regulation (Forced PWM Mode)
10
TPS62366AEVM-757
5
5.5
G004
Figure 5. Line Regulation
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Figure 6. Start-up (VIN = 3.6V, VOUT = 1.2V, IOUT = 2A)
Figure 7. Shutdown (VIN = 3.6V, VOUT = 1.2V, IOUT = 0, active output capacitor discharge enabled)
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Test Results
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Figure 8. Output Voltage Ripple (VIN = 3.6V, VOUT = 1.2V, IOUT = 4A)
Figure 9. Input Voltage Ripple (VIN = 3.6V, VOUT = 1.2V, IOUT = 4A)
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Figure 10. Load Transient Response (VIN = 3.6V, VOUT = 1.2V, IOUT = 1A to 2A step)
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Test Results
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Figure 11. Thermal Performance (VIN = 3.6V, VOUT = 1.2V, IOUT = 4A)
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Board Layout
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6
Board Layout
This section provides the TPS62366AEVM-757 board layout and illustrations.
Board layout is critical for all high-frequency, switch-mode power supplies. Figure 12 through Figure 15
show the board layout for the TPS62366AEVM-757 PCB. The nodes with high-switching frequencies and
currents are kept as short as possible to minimize trace inductance. Careful attention has been given to
the routing of high-frequency current loops and a single-point grounding scheme is used. Also, the
majority of the heatsinking for this device occurs through the top layer traces and vias pulled from the IC's
solder bumps that carry high currents. See the data sheet for specific layout guidelines.
TEXAS
INSTRUMENTS
Figure 12. Assembly Layer
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Board Layout
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Figure 13. Top Layer
Figure 14. Layer 2
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Figure 15. Layer 3
Figure 16. Bottom Layer
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Schematic and Bill of Materials
7
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Schematic and Bill of Materials
This section provides the TPS62366AEVM-757 schematic and bill of materials. The bill of materials is provided in two tables. Table 3 are the
components required to build the TPS62366A solution. Table 4 are the components used only to evaluate the TPS62366AEVM-757 solution.
7.1
Schematic
Figure 17. TPS62366AEVM-757 Schematic
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Schematic and Bill of Materials
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7.2
Bill of Materials
Table 3. TPS62366A Solution Required Components
Count
RefDes
Value
Description
Size
Part Number
MFR
3
C1, C4, C5
0.1 µF
Capacitor, Ceramic, 10V, X5R, 20%
0402
Std
Std
2
C2, C6
10 µF
Capacitor, Ceramic, 6.3V, X5R, 20%
0603
Std
Std
1
L1
1.0 µH
Inductor, Power, 5.4 A, 10.8 mΩ, ±20%
4 mm x 4 mm
XFL4020-102ME
Coilcraft
1
U1
TPS62366AYZH
IC, 4A Processor Supply Converter
2 mm x 2 mm
TPS62366AYZH
TI
-001
Table 4. TPS62366AEVM-757 Evaluation Components
Count
RefDes
Value
Description
Size
Part Number
MFR
1
C3
100 µF
Capacitor, Ceramic, 6.3V, X5R, 20%
1210
Std
Std
0
C7
Open
Capacitor, Ceramic, 6.3V, X5R, 20%
0805
Std
Std
0
C8, C9
Open
Capacitor, Ceramic, 6.3V, X5R, 20%
0603
Std
Std
1
C10
4.7 µF
Capacitor, Ceramic, 6.3V, X5R, 20%
0603
Std
Std
2
C11,C12
10 µF
Capacitor, Ceramic, 6.3V, X5R, 20%
0603
Std
Std
1
C13
0.1 µF
Capacitor, Ceramic, 10V, X5R, 20%
0402
Std
0
C14
Open
Capacitor, Ceramic, 25V, X7R, 10%
0603
Std
Std
1
Q1
IRLR3715
MOSFET, N-ch, 20V, 49A, 11 mΩ
DPAK
IRLR3715ZCPBF
IR
1
R1
0
Resistor, Chip, 1/10W
0603
Std
Std
0
R2, R3, R4, R5
Open
Resistor, Chip, 1/16W, 1%
0603
Std
Std
1
R6
0.1
Resistor, Chip, 1W, 1%
2512
Std
Std
1
R7
100
Resistor, Chip, 1/16W, 1%
0603
Std
Std
5
R8, R9, R10, R11,
R12
10.0K
Resistor, Chip, 1/16W, 1%
0603
Std
Std
1
U2
OPA334
IC, 0.05 µV/°C Max, Single Supply Op Amp, Zero-Drift
SOT23-6
OPA334AIDBV
TI
-001
7.3
Related Documentation From Texas Instruments
4A Processor Supply with I2C Compatible Interface and Remote Sense data sheet (SLUSAX3)
SLVU690 – April 2012
Submit Documentation Feedback
TPS62366AEVM-757
Copyright © 2012, Texas Instruments Incorporated
19
EVALUATION BOARD/KIT/MODULE (EVM) ADDITIONAL TERMS
Texas Instruments (TI) provides the enclosed Evaluation Board/Kit/Module (EVM) under the following conditions:
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies TI from all claims
arising from the handling or use of the goods.
Should this evaluation board/kit not meet the specifications indicated in the User’s Guide, the board/kit may be returned within 30 days from
the date of delivery for a full refund. THE FOREGOING LIMITED WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO
BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF
MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH
ABOVE, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES.
Please read the User's Guide and, specifically, the Warnings and Restrictions notice in the User's Guide prior to handling the product. This
notice contains important safety information about temperatures and voltages. For additional information on TI's environmental and/or safety
programs, please visit www.ti.com/esh or contact TI.
No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine, process, or
combination in which such TI products or services might be or are used. TI currently deals with a variety of customers for products, and
therefore our arrangement with the user is not exclusive. TI assumes no liability for applications assistance, customer product design,
software performance, or infringement of patents or services described herein.
REGULATORY COMPLIANCE INFORMATION
As noted in the EVM User’s Guide and/or EVM itself, this EVM and/or accompanying hardware may or may not be subject to the Federal
Communications Commission (FCC) and Industry Canada (IC) rules.
For EVMs not subject to the above rules, this evaluation board/kit/module is intended for use for ENGINEERING DEVELOPMENT,
DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer
use. It generates, uses, and can radiate radio frequency energy and has not been tested for compliance with the limits of computing
devices pursuant to part 15 of FCC or ICES-003 rules, which are designed to provide reasonable protection against radio frequency
interference. Operation of the equipment may cause interference with radio communications, in which case the user at his own expense will
be required to take whatever measures may be required to correct this interference.
General Statement for EVMs including a radio
User Power/Frequency Use Obligations: This radio is intended for development/professional use only in legally allocated frequency and
power limits. Any use of radio frequencies and/or power availability of this EVM and its development application(s) must comply with local
laws governing radio spectrum allocation and power limits for this evaluation module. It is the user’s sole responsibility to only operate this
radio in legally acceptable frequency space and within legally mandated power limitations. Any exceptions to this are strictly prohibited and
unauthorized by Texas Instruments unless user has obtained appropriate experimental/development licenses from local regulatory
authorities, which is responsibility of user including its acceptable authorization.
For EVMs annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant
Caution
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the
equipment.
FCC Interference Statement for Class A EVM devices
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to
cause harmful interference in which case the user will be required to correct the interference at his own expense.
FCC Interference Statement for Class B EVM devices
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
For EVMs annotated as IC – INDUSTRY CANADA Compliant
This Class A or B digital apparatus complies with Canadian ICES-003.
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the
equipment.
Concerning EVMs including radio transmitters
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this
device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired
operation of the device.
Concerning EVMs including detachable antennas
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain
approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should
be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication.
This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum
permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain
greater than the maximum gain indicated for that type, are strictly prohibited for use with this device.
Cet appareil numérique de la classe A ou B est conforme à la norme NMB-003 du Canada.
Les changements ou les modifications pas expressément approuvés par la partie responsable de la conformité ont pu vider l’autorité de
l'utilisateur pour actionner l'équipement.
Concernant les EVMs avec appareils radio
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est
autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout
brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
Concernant les EVMs avec antennes détachables
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain
maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à
l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente
(p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante.
Le présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le manuel
d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne non inclus dans
cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur.
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
【Important Notice for Users of this Product in Japan】
】
This development kit is NOT certified as Confirming to Technical Regulations of Radio Law of Japan
If you use this product in Japan, you are required by Radio Law of Japan to follow the instructions below with respect to this product:
1.
2.
3.
Use this product in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and
Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for Enforcement of Radio Law of
Japan,
Use this product only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this
product, or
Use of this product only after you obtained the Technical Regulations Conformity Certification as provided in Radio Law of Japan with
respect to this product. Also, please do not transfer this product, unless you give the same notice above to the transferee. Please note
that if you could not follow the instructions above, you will be subject to penalties of Radio Law of Japan.
Texas Instruments Japan Limited
(address) 24-1, Nishi-Shinjuku 6 chome, Shinjuku-ku, Tokyo, Japan
http://www.tij.co.jp
【ご使用にあたっての注】
本開発キットは技術基準適合証明を受けておりません。
本製品のご使用に際しては、電波法遵守のため、以下のいずれかの措置を取っていただく必要がありますのでご注意ください。
1.
2.
3.
電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用いただく。
実験局の免許を取得後ご使用いただく。
技術基準適合証明を取得後ご使用いただく。
なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。
上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。
日本テキサス・インスツルメンツ株式会社
東京都新宿区西新宿６丁目２４番１号
西新宿三井ビル
http://www.tij.co.jp
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
EVALUATION BOARD/KIT/MODULE (EVM)
WARNINGS, RESTRICTIONS AND DISCLAIMERS
For Feasibility Evaluation Only, in Laboratory/Development Environments. Unless otherwise indicated, this EVM is not a finished
electrical equipment and not intended for consumer use. It is intended solely for use for preliminary feasibility evaluation in
laboratory/development environments by technically qualified electronics experts who are familiar with the dangers and application risks
associated with handling electrical mechanical components, systems and subsystems. It should not be used as all or part of a finished end
product.
Your Sole Responsibility and Risk. You acknowledge, represent and agree that:
1.
2.
3.
4.
You have unique knowledge concerning Federal, State and local regulatory requirements (including but not limited to Food and Drug
Administration regulations, if applicable) which relate to your products and which relate to your use (and/or that of your employees,
affiliates, contractors or designees) of the EVM for evaluation, testing and other purposes.
You have full and exclusive responsibility to assure the safety and compliance of your products with all such laws and other applicable
regulatory requirements, and also to assure the safety of any activities to be conducted by you and/or your employees, affiliates,
contractors or designees, using the EVM. Further, you are responsible to assure that any interfaces (electronic and/or mechanical)
between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to
minimize the risk of electrical shock hazard.
You will employ reasonable safeguards to ensure that your use of the EVM will not result in any property damage, injury or death, even
if the EVM should fail to perform as described or expected.
You will take care of proper disposal and recycling of the EVM’s electronic components and packing materials.
Certain Instructions. It is important to operate this EVM within TI’s recommended specifications and environmental considerations per the
user guidelines. Exceeding the specified EVM ratings (including but not limited to input and output voltage, current, power, and
environmental ranges) may cause property damage, personal injury or death. If there are questions concerning these ratings please contact
a TI field representative prior to connecting interface electronics including input power and intended loads. Any loads applied outside of the
specified output range may result in unintended and/or inaccurate operation and/or possible permanent damage to the EVM and/or
interface electronics. Please consult the EVM User's Guide prior to connecting any load to the EVM output. If there is uncertainty as to the
load specification, please contact a TI field representative. During normal operation, some circuit components may have case temperatures
greater than 60°C as long as the input and output are maintained at a normal ambient operating temperature. These components include
but are not limited to linear regulators, switching transistors, pass transistors, and current sense resistors which can be identified using the
EVM schematic located in the EVM User's Guide. When placing measurement probes near these devices during normal operation, please
be aware that these devices may be very warm to the touch. As with all electronic evaluation tools, only qualified personnel knowledgeable
in electronic measurement and diagnostics normally found in development environments should use these EVMs.
Agreement to Defend, Indemnify and Hold Harmless. You agree to defend, indemnify and hold TI, its licensors and their representatives
harmless from and against any and all claims, damages, losses, expenses, costs and liabilities (collectively, "Claims") arising out of or in
connection with any use of the EVM that is not in accordance with the terms of the agreement. This obligation shall apply whether Claims
arise under law of tort or contract or any other legal theory, and even if the EVM fails to perform as described or expected.
Safety-Critical or Life-Critical Applications. If you intend to evaluate the components for possible use in safety critical applications (such
as life support) where a failure of the TI product would reasonably be expected to cause severe personal injury or death, such as devices
which are classified as FDA Class III or similar classification, then you must specifically notify TI of such intent and enter into a separate
Assurance and Indemnity Agreement.
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
Copyright © 2012, Texas Instruments Incorporated
EVALUATION BOARD/KIT/MODULE (EVM) ADDITIONAL TERMS
Texas Instruments (TI) provides the enclosed Evaluation Board/Kit/Module (EVM) under the following conditions:
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies TI from all claims
arising from the handling or use of the goods.
Should this evaluation board/kit not meet the specifications indicated in the User’s Guide, the board/kit may be returned within 30 days from
the date of delivery for a full refund. THE FOREGOING LIMITED WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO
BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF
MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH
ABOVE, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
DAMAGES.
Please read the User's Guide and, specifically, the Warnings and Restrictions notice in the User's Guide prior to handling the product. This
notice contains important safety information about temperatures and voltages. For additional information on TI's environmental and/or safety
programs, please visit www.ti.com/esh or contact TI.
No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine, process, or
combination in which such TI products or services might be or are used. TI currently deals with a variety of customers for products, and
therefore our arrangement with the user is not exclusive. TI assumes no liability for applications assistance, customer product design,
software performance, or infringement of patents or services described herein.
REGULATORY COMPLIANCE INFORMATION
As noted in the EVM User’s Guide and/or EVM itself, this EVM and/or accompanying hardware may or may not be subject to the Federal
Communications Commission (FCC) and Industry Canada (IC) rules.
For EVMs not subject to the above rules, this evaluation board/kit/module is intended for use for ENGINEERING DEVELOPMENT,
DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer
use. It generates, uses, and can radiate radio frequency energy and has not been tested for compliance with the limits of computing
devices pursuant to part 15 of FCC or ICES-003 rules, which are designed to provide reasonable protection against radio frequency
interference. Operation of the equipment may cause interference with radio communications, in which case the user at his own expense will
be required to take whatever measures may be required to correct this interference.
General Statement for EVMs including a radio
User Power/Frequency Use Obligations: This radio is intended for development/professional use only in legally allocated frequency and
power limits. Any use of radio frequencies and/or power availability of this EVM and its development application(s) must comply with local
laws governing radio spectrum allocation and power limits for this evaluation module. It is the user’s sole responsibility to only operate this
radio in legally acceptable frequency space and within legally mandated power limitations. Any exceptions to this are strictly prohibited and
unauthorized by Texas Instruments unless user has obtained appropriate experimental/development licenses from local regulatory
authorities, which is responsibility of user including its acceptable authorization.
For EVMs annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant
Caution
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the
equipment.
FCC Interference Statement for Class A EVM devices
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to
cause harmful interference in which case the user will be required to correct the interference at his own expense.
FCC Interference Statement for Class B EVM devices
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
For EVMs annotated as IC – INDUSTRY CANADA Compliant
This Class A or B digital apparatus complies with Canadian ICES-003.
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the
equipment.
Concerning EVMs including radio transmitters
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this
device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired
operation of the device.
Concerning EVMs including detachable antennas
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain
approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should
be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication.
This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum
permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain
greater than the maximum gain indicated for that type, are strictly prohibited for use with this device.
Cet appareil numérique de la classe A ou B est conforme à la norme NMB-003 du Canada.
Les changements ou les modifications pas expressément approuvés par la partie responsable de la conformité ont pu vider l’autorité de
l'utilisateur pour actionner l'équipement.
Concernant les EVMs avec appareils radio
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est
autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout
brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
Concernant les EVMs avec antennes détachables
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain
maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à
l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente
(p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante.
Le présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le manuel
d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne non inclus dans
cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur.
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
【Important Notice for Users of this Product in Japan】
】
This development kit is NOT certified as Confirming to Technical Regulations of Radio Law of Japan
If you use this product in Japan, you are required by Radio Law of Japan to follow the instructions below with respect to this product:
1.
2.
3.
Use this product in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and
Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for Enforcement of Radio Law of
Japan,
Use this product only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this
product, or
Use of this product only after you obtained the Technical Regulations Conformity Certification as provided in Radio Law of Japan with
respect to this product. Also, please do not transfer this product, unless you give the same notice above to the transferee. Please note
that if you could not follow the instructions above, you will be subject to penalties of Radio Law of Japan.
Texas Instruments Japan Limited
(address) 24-1, Nishi-Shinjuku 6 chome, Shinjuku-ku, Tokyo, Japan
http://www.tij.co.jp
【ご使用にあたっての注】
本開発キットは技術基準適合証明を受けておりません。
本製品のご使用に際しては、電波法遵守のため、以下のいずれかの措置を取っていただく必要がありますのでご注意ください。
1.
2.
3.
電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用いただく。
実験局の免許を取得後ご使用いただく。
技術基準適合証明を取得後ご使用いただく。
なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。
上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。
日本テキサス・インスツルメンツ株式会社
東京都新宿区西新宿６丁目２４番１号
西新宿三井ビル
http://www.tij.co.jp
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
SPACER
EVALUATION BOARD/KIT/MODULE (EVM)
WARNINGS, RESTRICTIONS AND DISCLAIMERS
For Feasibility Evaluation Only, in Laboratory/Development Environments. Unless otherwise indicated, this EVM is not a finished
electrical equipment and not intended for consumer use. It is intended solely for use for preliminary feasibility evaluation in
laboratory/development environments by technically qualified electronics experts who are familiar with the dangers and application risks
associated with handling electrical mechanical components, systems and subsystems. It should not be used as all or part of a finished end
product.
Your Sole Responsibility and Risk. You acknowledge, represent and agree that:
1.
2.
3.
4.
You have unique knowledge concerning Federal, State and local regulatory requirements (including but not limited to Food and Drug
Administration regulations, if applicable) which relate to your products and which relate to your use (and/or that of your employees,
affiliates, contractors or designees) of the EVM for evaluation, testing and other purposes.
You have full and exclusive responsibility to assure the safety and compliance of your products with all such laws and other applicable
regulatory requirements, and also to assure the safety of any activities to be conducted by you and/or your employees, affiliates,
contractors or designees, using the EVM. Further, you are responsible to assure that any interfaces (electronic and/or mechanical)
between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to
minimize the risk of electrical shock hazard.
You will employ reasonable safeguards to ensure that your use of the EVM will not result in any property damage, injury or death, even
if the EVM should fail to perform as described or expected.
You will take care of proper disposal and recycling of the EVM’s electronic components and packing materials.
Certain Instructions. It is important to operate this EVM within TI’s recommended specifications and environmental considerations per the
user guidelines. Exceeding the specified EVM ratings (including but not limited to input and output voltage, current, power, and
environmental ranges) may cause property damage, personal injury or death. If there are questions concerning these ratings please contact
a TI field representative prior to connecting interface electronics including input power and intended loads. Any loads applied outside of the
specified output range may result in unintended and/or inaccurate operation and/or possible permanent damage to the EVM and/or
interface electronics. Please consult the EVM User's Guide prior to connecting any load to the EVM output. If there is uncertainty as to the
load specification, please contact a TI field representative. During normal operation, some circuit components may have case temperatures
greater than 60°C as long as the input and output are maintained at a normal ambient operating temperature. These components include
but are not limited to linear regulators, switching transistors, pass transistors, and current sense resistors which can be identified using the
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