Texas Instruments LM10010 User manual

User's Guide
SNVA498B–July 2011–Revised May 2013
AN-2176 LM10010 Evaluation Board
1 LM10010 Overview
The LM10010 is a precision, digitally programmable device used to control the output voltage of a DC/DC
converter. The LM10010 outputs a DC current inversely proportional to a 6-bit input word. This current
DAC output connects to the feedback pin of a buck converter in order to adjust its output voltage to a
desired range and resolution set by the user. As the 6-bit word counts up, the output voltage is adjusted
higher based on the setting of the feedback resistors in the buck converter.
2 Introduction
This evaluation module provides a VID interface to test the LM10010 and its control of an LM21215A-1
buck regulator. The LM21215A-1 is capable of driving up to 15A of continuous load current with excellent
output voltage accuracy due to its ±1% internal reference and high gain error amplifier. This device also
features a clock synchronization input that allows the switching frequency to be synchronized to an
external clock source. In this evaluation board, the LM10010 is used to control and adjust the output
voltage through its 4-pin VID interface. The input voltage can be operated from 2.97V to 5.5V. On power-
up, the output voltage defaults to 1.0V. The evaluation board allows for control of the LM21215A-1 output
voltage from 0.7V to 1.1V in 6.4mV steps. The evaluation board also includes a 10-pin header used for
communication with the LM10010. A communications dongle is provided along with software to control the
output voltage through a graphical user interface (GUI) and an USB port. This application note describes
the various functions of the board, how to test and evaluate it, and how to use the GUI design tool to
change the components for a specific application. Please check LM10010 VID Voltage Programmer for
Point of Load Regulator(SNVS717) data sheet for the latest software and data sheet information. For
more information on the LM21215A-1 and its operation, please consult the LM21215A-1 15A High
Efficiency Synchronous Buck Regulator with Frequency Synchronization (SNOSB87) data sheet and the
AN-2131 LM21215A-1 Evaluation Board (SNVA477) evaluation board application note.
3 PCB Features
• Input voltage range: 3.0V to 5.5V
• Programmable output voltage: 0.7V to 1.1V
• Over current protection: 17A
• PCB Size: 2.1” x 2.1”
• Solution Size: 1.0” x 1.0”
• USB connection through communications dongle
• Software control with graphical user interface
All trademarks are the property of their respective owners.
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FB
PGOOD
VIN
LM21215A-1
VOUT
AGND
COMP
PVIN
SYNC
SW
EN
C6
L1
RC1
CC1
CC2
CC3
RFB1
RFB2
RC2
PGND
AVIN
C1
1
11-16
3
4
17
19
18
20
8,9,10
5,6,7
R1
SS /
TRK
CSS
2
eTSSOP-20
C7
C8
VIN
RPG
C3 C4 C5
SYNC
SS_TRK
RAC
ENABLE
REN1
REN2
GND GND
C9
PGOOD
SWITCH
AC INJ
VOUT
SENSE+
VOUT
SENSE-
VIN
SENSE-
VIN
SENSE+
VIN = 3.0V to 5.5V
VOUT = 1.0V at
startup, up to 15A
0.1 éF
1200 pF
113Ö
6.81 kÖ
49.9Ö
8.06 kÖ
8.25 kÖ
2200 pF 82 pF
10 kÖ
100 éF
0.56 éH
100 éF
10 kÖ
10 kÖ
1Ö
1 éF
0.033 éF
FB
LM10010
GND
IDAC_OUT
VDD
EN
NC
P2
VDD
10 9
87
6 5
4 3
2 1
VIDS
VIDC
VIDB
VIDA
NC
1
2
3
4
5
10
9
8
7
6
1
3
1
2
VIN R3 200Ö
R4 200Ö
R5 200Ö
R6 200Ö
R2 1Ö
REN C10
PEN
1 uF
P1 VIDS
VIDC VIDB
VIDA
GND
3V3
GND
IDAC
DAP
1 MÖ
1
2
2
Evaluation Board Schematic www.ti.com
4 Evaluation Board Schematic
5 Powering and Loading Considerations
Read this entire page prior to attempting to power the evaluation board.
5.1 Getting Started
The LM10010 evaluation kit hardware is shown in Figure 1, where it shows that the board offers a
connection for the system input voltage on the left side and a connection for the load on the bottom. To
the right of the LM10010 evaluation module is a communications dongle. It is connected to the board
through the 10 pin right angle header and is used to communicate with the LM10010. A USB cable
connects the dongle to a USB port on the computer for software control.
To start using the LM10010 evaluation module, the first step is to connect the LM10010 board to its power
supply while limiting the supply current to ensure that everything is connected correctly. Separately, the
dongle is connected to the computer with the USB cable and the software is installed onto the computer.
Once these steps are taken, then the dongle can be connected to the evaluation board to run the
complete evaluation module.
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Figure 1. LM10010 Evaluation Kit Hardware
5.2 Quick Setup Procedure for Board
Step 1: Set the input source current limit to 10A. Turn off the input source. Connect the positive output of
the input source to VIN and the negative output to the corresponding GND.
Step 2: Connect the load (with 15A capability) to VOUT for the positive connection and GND for the
negative connection.
Step 3: The ENABLE pin should be left open for normal operation.
Step 4: Set the input source voltage to 5V. The load voltage should be in regulation with a nominal 1.0V
output.
Step 5: Slowly increase the load while monitoring the load voltage at VOUT. It should remain in regulation
with a nominal 1.0V output as the load is increased up to 15A.
Step 6: Slowly sweep the input source voltage from 2.95V to 5.5V. The load voltage should remain in
regulation with a nominal 1.0V output. If desired, the output of the device can be disabled by connecting
the ENABLE pin to GND.
Step 7: The frequency of operation can be varied as desired by connecting a 2.0V square-wave positive
signal between SYNC and GND.
5.3 Powering Up
It is suggested that the load power be kept low during the first power up. Once the device is powered up,
immediately check for 1.0V at the output.
A quick efficiency check is the best way to confirm that everything is operating properly. If something is
amiss you can be reasonably sure that it will adversely affect the efficiency. Few parameters can be
incorrect in a switching power supply without creating losses and potentially damaging temperature.
Some voltage supplies can exhibit severe voltage overshoot during high current transients. If a supply
overshoots above 6.0V, damage to the LM21215A-1 or the LM10010 can occur. For these supplies, a
large capacitor across the terminals of the supply (1000µF) can alleviate this problem.
5.4 Over Current Protection
The evaluation board is configured with over-current protection. This function is completely contained in
the LM21215A-1. The peak current is limited to approximately 17A.
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5.5 Quick Setup Software Control
Once the LM10010 evaluation board is setup and the LM21215A-1 is determined to be correctly regulating
the output voltage, the software can be installed and communication can then be established with the
LM10010. In the evaluation board kit, there should be a CD with all the necessary files including a readme
file explaining the installation process. First, the drivers for the communications dongle are installed, and
then the control software is installed.
These files should be executed on a PC running Windows XP or later to install the software.
6 Device Evaluation
Once the software is installed, you can connect the dongle to the evaluation board to complete the
communications. After configuring the hardware connections, apply an input voltage of 5V to the device.
The current hardware configuration allows the LM10010EVM to work from 3.0V to 5.5V system rails.
Double click on the GUI executable in the installation folder from the previous installation step. The
evaluation board should be ready for control and the program front panel should appear. For an
explanation of how the program is used, see Section 10.
7 Connection Descriptions
Terminal Silkscreen Description
VIN This terminal is the input voltage to the device. The evaluation board will operate over the input voltage
range of 3.0V to 5.5V.
GND These terminals are the ground connections to the device. The input power ground should be connected
next to the input VIN connection, and the output power ground next to the VOUT connection.
VOUT This terminal connects to the output voltage of the power supply and should be connected to the load.
ENABLE This terminal connects to the enable pin of the LM21215A-1. This terminal can be left floating or driven
externally. If left floating, a 2 µA current source will pull the pin high, thereby enabling the device. If
driven externally, a voltage typically less than 1.2V will disable the device.
SS/TRK This terminal provides access to the SS/TRK pin of the LM21215A-1. Connections to this terminal are
not needed for most applications. The feedback pin of the device will track the voltage on the SS/TRK
pin if it is driven with an external voltage source that is below the 0.6V reference.
PGOOD This terminal connects to the power good output of the LM21215A-1. This pin is pulled up through a 10
kΩpull-up resistor to VIN.
AC INJ This terminal block allows the user to insert an AC injection signal across a 49.9Ωresistor for open loop
gain bode measurements. A jumper shorts out this resistor when it is not needed.
SWITCH This terminal allows easy probing of the switch node. Do not apply any external voltage source to this
pin.
SYNC This terminal connects to the SYNC pin of the LM21215A-1. The regulator can sychronize the SWITCH
pin to a SYNC signal with a frequency between 300kHz and 1.5MHz. If this pin is left open, the switching
frequency will default to 500kHz.
VIN_SENSE+, These terminals allow a sense connection on the board for accurate VIN and VOUT measurements,
VIN_SENSE- respectively.
VOUT_SENSE+,
VOUT_SENSE-
IDAC This terminal connects to the LM10010 IDAC output (IDAC_OUT).
PEN This terminal connects to the enable pin of the LM10010. This terminal can be left floating or driven
externally. If left floating, a 2 µA current source will pull the pin high, thereby enabling the device. If
driven externally, a voltage typically less than 1.2V will disable the device.
FB This jumper connects the LM10010 output to the feedback node of the LM21215A-1. If the LM10010 is
used to control the output voltage, then this jumper is required. If the LM10010 is to be evaluated alone,
then the IDAC_OUT current can be observed at the IDAC connection by removing the jumper.
P1 This terminal block is used to connect the LM10010 evaluation board with the communications dongle.
P2 This terminal block controls the source of power for the LM10010. If a jumper is connected between pins
1 and 2, then the LM10010 supply comes from PVIN. If the jumper is connected from pins 2 and 3, then
the LM10010 derives power from an external connection to VDD.
VDD This terminal can be used as an alternate power source for the LM10010 though terminal block P2.
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Slave Regulator
FB
VOUT
LM10010
RFB1
RFB2
+
-VOUT
VFB
+
-
+
-
IRFB2
IDAC_OUT
IRFB1 VRFB1
+
-
IDAC_OUT
VID
LM10010
www.ti.com Theory of Operation
8 Theory of Operation
The LM10010 can be thought of as a D/A converter, converting the VID communication to analog outputs.
In this device, the output is a current DAC (IDAC_OUT), which is connected to the feedback node of a
slave regulator. Therefore, all VID data words are decoded into a 6-bit current DAC output. The
impedance of the feedback node at DC appears as the top feedback resistor. This is because the control
loop of the slave regulator effectively maintains a constant current/voltage across the bottom feedback
resistor, and creates low impedance at the VOUT node. Therefore, as more current is sourced into the
feedback node, the more the output voltage is reduced. See Figure 2.
Figure 2. Output voltage is controlled via current injection into the feedback node
Looking at the schematic shown above, the following equation defines VOUT for a given regulator (valid for
VOUT > VFB).
(1)
For the LM21215A-1, VFB is 600mV. For the LM10010, the IDAC_OUT maximum current is 59.2 µA, with 64
settings at a resolution of 940 nA, adjustable with the 6-bit VID word. Note that as the VID codes count up,
the output current counts down starting from the highest current. This allows for the VOUT voltage to
increment up with the VID code. For a more in-depth analysis of the circuit, see the LM10010 data sheet.
Table 1 shows the codes and some of the resultant values of IDAC current and corresponding regulator
output voltage for the default resistor values on the evaluation board.
Table 1. VID Codes with IDAC Current and Regulator Voltage for the Evaluation Board.
VID Code IDAC Current (µA) Regulator Voltage (V)
000000b 59.20 0.7038
000001b 58.26 0.7102
000010b 57.32 0.7166
000011b 56.38 0.7230
...
111100b 2.82 1.0878
111101b 1.88 1.0941
111110b 0.94 1.1005
111111b 0.00 1.1069
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9 Evaluation Board
The evaluation board shows how the LM10010 is used to control the LM21215A-1. However, the
LM10010 can be run independently without the LM21215A-1 by applying the supply voltage through P2
and jumpering pins 2 and 3. The IDAC output current can be observed at the IDAC pin with the jumper
removed from FB.
Additionally, the output voltage and range of the module can be adjusted by replacing components on the
board. However, this is not as simple as replacing the feedback resistors RFB1 and RFB2. A change in the
feedback resistors may change the compensation network for the LM21215A-1 and this may require
adjustments in values for CC1, CC2, CC3, RC1, and RC2. For further guidance with component selection, see
the LM21215A-1 data sheet and evaluation board application reports
10 Control Software
The LM10010 evaluation board comes with a communications dongle and software to control the output
voltage. This section describes software features and modes of operation. The software has a built-in
calculator to determine the feedback resistor values for a given range and resolution of operation. This is
only used when the user decides to remove the existing default resistor feedback values and determines
the LM21215A-1's compensation is correct for the new feedback resistors. The default or updated values
are used to calculate expected output voltages of the point of load regulator. Buttons are used to select
one of two modes of operation. First, the user can set a constant output voltage for the point of load with
either a voltage or a code. Second, the output can be changed dynamically, ramping through different
voltages as the LM10010 counts through a preset sequence. The LM10010 software panel is shown in
Figure 3 below.
Figure 3. LM10010 Evaluation Software Panel
10.1 Resistance Calculator
As mentioned before, this is an optional section that can be used to calculate new resistance values for
RFB1 and RFB2. If the user decides to change the range of the output voltage (from 0.7V to 1.1V) to a
different range, then RFB1 and RFB2 should be replaced with new values. If new values are selected, the
compensation for the LM21215A-1 may need to be adjusted as well. As shown in Figure 4, the user can
set the minimum voltage and the maximum voltage in the desired range. The calculator then determines
the proper values for the feedback resistors. The button at the bottom can convert the calculated resistor
values to the nearest 1% resistor values available. Another button in the panel can transfer these values
to the Board Values panel to calculate the expected output voltage when in operation.
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Figure 4. LM10010 Resistance Calculator Tab
10.2 Board Values
This section is used to enter resistor feedback values from the board being used. If feedback resistors are
changed, the values can be updated here. RFB1 and RFB2 are entered in the top two boxes. This calculates
the theoretical maximum output voltage, minimum output voltage and the resolution of the LM10010 steps.
If the values are changed to test the program but not changed on the board, a button is provided to re-
enter the default values provided for the original board.
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Figure 5. LM10010 Board Values Tab
10.3 Select Operation
Once the board values are set (or the defaults are chosen), the user can choose the mode of operation of
the evaluation module. In the Select Operation Panel, shown in Figure 6, Set Static Voltage or Set
Dynamic Voltage can be chosen by clicking on either button. By making a selection, this will reveal the
appropriate control panel for the mode of operation.
Figure 6. LM10010 Select Operation Panel
10.4 Set Static Voltage
The first mode of operation is used to set a static voltage from the point of load. Based on the resistors
from the Board Values section, the user can input a voltage and set the output voltage to a desired level.
Also, a percentage of margin can be entered and the code can be incremented by the margin percentage
up or down dependent on the nearest code value available. The Set Static Voltage panel, with controls
entering in the voltage, margin percentage, and buttons to margin up or down the output can be seen in
Figure 7.
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Figure 7. LM10010 Set Static Voltage Panel
The voltage can also be adjusted by incrementing the code with a single button. If the button on the left is
selected in the Set Static Voltage Panel, the voltage setting and margining buttons disappear and the
voltage can be incremented by single codes up or down as shown below in Figure 8. Buttons to increment
the code are to the left of the VOUT box.
Figure 8. LM10010 Increment Single Code
10.5 Set Dynamic Voltage
The second mode of operation can be used to set the voltage by counting through the codes of the
LM10010. The Set Dynamic Voltage panel is shown below in Figure 9. In this mode, the user selects to
manipulate the output range by either selecting the output voltage or the LM10010 code. The user then
sets the starting point, the stopping point, and the increment for each step. The Count Delay box within
the Plotter panel in Figure 10 is used to set the time between each increment. The program will then run
through the count from the start to the stop in the proper increments in time intervals set by the count
delay. It will also repeat this count until the user decides to terminate the program or selects to set the
static voltage.
The Update Graph button is used to show a sample of the expected the output waveform in the Plotter
panel of the software. Please note that the LM10010 can be run faster than with the 25 ms minimum delay
time set in the software. This limitation is set by the timing of the USB communications of the dongle.
Another note about changes in the output voltage going negative also concerns the delay time. If there is
a light load or no load on the LM21215A-1, the change in the output may be slower because the device
enters diode emulation mode.
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Figure 9. LM10010 Set Dynamic Voltage Panel
10.6 Plotter
A plotter is provided to show the output voltage of the board. This is a simple diagnostic tool and only
shows the expected output voltage since there are no measurement tools or communications from the
board to the computer. In the set constant voltage mode, the plotter is automatically updated. In the set
dynamic voltage mode, the plotter is updated by the update plot button. Figure 10 shows the Plotter Panel
of the LM10010 software. Vout Plot box shows the expected output voltage, the Code Plot box shows the
current code, and the Count Delay box shows the delay between updates in the count used in the Set
Dynamic Voltage panel. In this example, the count starts at code 0, and ends at code 63, with an
increment code of 4.
Figure 10. LM10010 Plotter Panel
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www.ti.com Bill of Materials
11 Bill of Materials
The Bill of Materials is shown below, including the manufacturer and part number.
ID Description Vendor Part Number Qty
AC INJ, FB Header, TH, 100mil, 2x1, Gold plated, Samtec Inc. TSW-102-07-G-S 2
230 mil above insulator
P2 Header, TH, 100mil, 3x1, Gold plated, Samtec Inc. TSW-103-07-G-S 1
230 mil above insulator
P1 Header, 5-Pin, Dual row, Right Angle, Samtec Inc. TSW-105-08-L-D-RA 1
Printed Circuit Board
C1, C10 CAP, CERM, 1 uF, 10V, +/-10%, MuRata GRM188R71A105KA61D 2
X7R, 0603
C3, C4, C5, C6, C7, C8 CAP, CERM, 100 uF, 6.3V, +/-20%, MuRata GRM31CR60J107ME39L 6
X5R, 1206
C9 CAP, CERM, 0.1 uF, 50V, +/-10%, TDK C1608X7R1H104K 1
X7R, 0603
CC1 CAP, CERM, 2200 pF, 50V, +/-5%, MuRata GRM1885C1H222JA01D 1
C0G/NP0, 0603
CC2 CAP, CERM, 82 pF, 50V, +/-5%, MuRata GRM1885C1H820JA01D 1
C0G/NP0, 0603
CC3 CAP, CERM, 1200 pF, 50V, +/-5%, MuRata GRM1885C1H122JA01D 1
C0G/NP0, 0603
CSS CAP, CERM, 0.033 uF, 16V, +/-10%, MuRata GRM188R71C333KA01D 1
X7R, 0603
GND_FI, GND_FO, VIN_F, Standard Banana Jack, Uninsulated, Johnson Components 108-0740-001 4
VOUT_F 15A
L1 Inductor, Shielded Drum Core, Vishay-Dale IHLP4040DZERR56M01 1
Powdered Iron, 560nH, 27.5A, 0.0018
ohm, SMD
R1, R2 RES, 1.0 ohm, 5%, 0.1W, 0603 Vishay-Dale CRCW06031R00JNEA 2
R3, R4, R5, R6 RES, 100 ohm, 1%, 0.1W, 0603 Vishay-Dale CRCW0603100RFKEA 4
REN RES, 1M ohm, 5%, 0.1W, 0603 Vishay-Dale CRCW06031M00JNEA 1
RAC RES, 49.9 ohm, 1%, 0.1W, 0603 Vishay-Dale CRCW060349R9FKEA 1
RC1 RES, 8.25k ohm, 1%, 0.1W, 0603 Vishay-Dale CRCW06038K25FKEA 1
RC2 RES, 113 ohm, 1%, 0.1W, 0603 Vishay-Dale CRCW0603113RFKEA 1
RFB1 RES, 6.81k ohm, 1%, 0.1W, 0603 Vishay-Dale CRCW06036K81FKEA 1
RFB2 RES, 8.06k ohm, 1%, 0.1W, 0603 Vishay-Dale CRCW06038K06FKEA 1
REN1, REN2, RPG RES, 10 kohm, 5%, 0.1W, 0603 Vishay-Dale CRCW060310K0JNEA 3
SH-J1, SH-J2, SH-J3 Shunt, 100mil, Gold plated, Black Samtec Inc. SNT-100-BK-G 3
U1 15A Buck DC/DC Converter Texas Instruments LM21215A-1 1
U2 VID Voltage Programmer for Point of Texas Instruments LM10010 1
Load Regulator
ENABLE, GND_SI, GND_SO, Test Point, TH, Miniature, White Keystone Electronics 5002 12
IDAC, PEN, PGOOD,
SS_TRK, SWITCH, SYNC,
VDD, VIN_S, VOUT_S
H1, H2, H3, H4 Machine Screw, Round, #4-40 x 1/4, B & F Fastener Supply NY PMS 440 0025 PH 4
Nylon, Philips panhead
H5, H6, H7, H8 Standoff, Hex, 0.5"L #4-40 Nylon Keystone Electronics 1902C 4
11
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PCB Layout www.ti.com
12 PCB Layout
The PCB was manufactured with 2oz. copper outer layers, and 1oz. copper inner layers. Twenty 8 mil.
diameter vias placed underneath the device, along with addional vias placed throughout the ground plane
around the device, help improve the thermal dissipation of the board.
Figure 11. Top Layer (Copper planes outlined in grey) Figure 12. Mid Layer1
Figure 13. Mid Layer2 Figure 14. Bottom Layer
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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.
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【【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. 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,
2. 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
3. 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. 電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用いただく。
2. 実験局の免許を取得後ご使用いただく。
3. 技術基準適合証明を取得後ご使用いただく。
なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。
上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。
日本テキサス・インスツルメンツ株式会社
東京都新宿区西新宿６丁目２４番１号
西新宿三井ビル
http://www.tij.co.jp
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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. 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.
2. 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.
3. 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.
4. 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 © 2013, Texas Instruments Incorporated

IMPORTANT NOTICE
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changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest
issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and
complete. All semiconductor products (also referred to herein as “components”) are sold subject to TI’s terms and conditions of sale
supplied at the time of order acknowledgment.
TI warrants performance of its components to the specifications applicable at the time of sale, in accordance with the warranty in TI’s terms
and conditions of sale of semiconductor products. Testing and other quality control techniques are used to the extent TI deems necessary
to support this warranty. Except where mandated by applicable law, testing of all parameters of each component is not necessarily
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TI assumes no liability for applications assistance or the design of Buyers’ products. Buyers are responsible for their products and
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Products Applications
Audio www.ti.com/audio Automotive and Transportation www.ti.com/automotive
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Interface interface.ti.com Medical www.ti.com/medical
Logic logic.ti.com Security www.ti.com/security
Power Mgmt power.ti.com Space, Avionics and Defense www.ti.com/space-avionics-defense
Microcontrollers microcontroller.ti.com Video and Imaging www.ti.com/video
RFID www.ti-rfid.com
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Copyright © 2013, Texas Instruments Incorporated