Texas Instruments LM5158EVM-BST User manual

User’s Guide
LM5158EVM-BST Evaluation Module
ABSTRACT
The LM5158EVM-BST evaluation module showcases the features and performance of the LM5158 device
as a wide input voltage, non-synchronous boost converter with dual random spread spectrum. The standard
configuration is designed to provide regulate a 12-V output at 1.2 A from an input of 3.3 V to 9 V (load derated by
half from < 6-V input), and switching at a frequency of 2.1 MHz.
Table of Contents
1 Features and Electrical Performance................................................................................................................................... 3
2 Application Schematic........................................................................................................................................................... 5
3 EVM Picture.............................................................................................................................................................................6
4 Test Setup and Procedure......................................................................................................................................................7
5 Test Results.............................................................................................................................................................................8
6 Design Files...........................................................................................................................................................................14
List of Figures
Figure 2-1. Application Circuit......................................................................................................................................................5
Figure 3-1. EVM Picture.............................................................................................................................................................. 6
Figure 4-1. Test Setup................................................................................................................................................................. 7
Figure 5-1. Efficiency vs Load......................................................................................................................................................8
Figure 5-2. Load Regulation........................................................................................................................................................ 8
Figure 5-3. Thermal Image: VIN = 3.3 V, IOUT = 0.6 A, VBIAS = 3.3 V, No Forced Air Cooling......................................................9
Figure 5-4. Thermal Image: VIN = 3.3 V, IOUT = 0.6 A, VBIAS = 12 V, No Forced Air Cooling.......................................................9
Figure 5-5. Thermal Image: VIN = 6 V, IOUT = 1.2 A, VBIAS = 6 V, No Forced Air Cooling............................................................9
Figure 5-6. Steady State, VIN = 3.3 V, IOUT = 0.6 A................................................................................................................... 10
Figure 5-7. Steady State, VIN = 6 V, IOUT = 1.2 A...................................................................................................................... 10
Figure 5-8. Steady State, VIN = 9 V, IOUT = 1.2 A...................................................................................................................... 10
Figure 5-9. Start-Up, VIN = 3.3 V, IOUT = 0.6 A...........................................................................................................................11
Figure 5-10. Start-Up, VIN = 6 V, IOUT = 1.2 A............................................................................................................................11
Figure 5-11. Start-Up, VIN = 9 V, IOUT = 1.2 A............................................................................................................................ 11
Figure 5-12. Load Transient, VIN = 3.3 V, IOUT = 0.4 A to 0.8 A.................................................................................................12
Figure 5-13. Load Transient, VIN = 6 V, IOUT = 0.6 A to 1.2 A....................................................................................................12
Figure 5-14. Load Transient, VIN = 9 V, IOUT = 0.6 A to 1.2 A....................................................................................................12
Figure 5-15. Control Loop Response, VIN = 3.3 V, IOUT = 0.6 A................................................................................................ 13
Figure 5-16. Control Loop Response, VIN = 6 V, IOUT = 0.6 A................................................................................................... 13
Figure 5-17. Control Loop Response, VIN = 9 V, IOUT = 1.2 A................................................................................................... 13
Figure 6-1. Top Layer and Silkscreen........................................................................................................................................ 14
Figure 6-2. Top Layer.................................................................................................................................................................14
Figure 6-3. Signal Layer 1......................................................................................................................................................... 14
Figure 6-4. Signal Layer 2......................................................................................................................................................... 14
Figure 6-5. Bottom Layer........................................................................................................................................................... 14
Figure 6-6. Bottom Layer and Silkscreen.................................................................................................................................. 14
Figure 6-7. LM5158EVM-BST Schematic..................................................................................................................................15
List of Tables
Table 1-1. Electrical Performance Standard Configuration..........................................................................................................3
Table 1-2. Jumper Description..................................................................................................................................................... 4
Table 4-1. Standard Configuration Jumper Connections............................................................................................................. 7
Table 6-1. LM5158EVM-BST Bill of Materials............................................................................................................................16
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Trademarks
All trademarks are the property of their respective owners.
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1 Features and Electrical Performance
The LM5158EVM-BST supports the following features and performance capabilities:
• Tightly regulated output voltage of 12 V with 1% accurate reference voltage
• High conversion efficiency of > 92% at full load
• Constant cycle-by-cycle peak inductor current limit over input voltage range
• Programmable hiccup mode for output overcurrent protection
• User-adjustable soft-start time using CSS
• Output overvoltage protection
• Multiple BIAS pin and VCC pin connections to test multiple configurations
– BIAS connect to VCC
– BIAS supplied with external power supply
– BIAS supplied by output voltage
• Power-good (PGOOD) indicator with selectable pullup source
• 2.1-MHz switching frequency
• External clock synchronization
• Programmable dual random spread spectrum reduces the EMI
1.1 Electrical Parameters
Table 1-1. Electrical Performance Standard Configuration
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT CHARACTERISTICS
Input voltage range VIN Operation 3.3 6 9 V
OUTPUT CHARACTERISTICS
Output voltage VOUT 12 V
Maximum output current IOUT
VIN = 6 V~9 V 1.2 A
VIN = 3.3 V~6 V 0.6
Output Over-voltage VOUT_OV 13.6 V
SYSTEM CHARACTERISTICS
Switching frequency 2.1 MHz
External clock synchronization 1.8 2.4 MHz
Full load efficiency VIN = 6 V, IOUT = 1.2 A 92.4 %
Junction temperature, TJ-40 150 C
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1.2 Configuration Points
Table 1-2 indicates the available test points and configuration jumpers. These points offer flexibility in configuring
the evaluation module and include, but are not limited to:
• The BIAS pin is connected to the following:
– External supply (VAUX)
– Input voltage (VIN)
– Regulated output voltage (VOUT)
– VCC pin
• The PGOOD pin is supplied by either VCC or VAUX.
• External clock synchronization
• Shutdown signal by pulling the SD pin low
• Four different modes operation to enable and disable the spread spectrum and hiccup mode
Table 1-2. Jumper Description
JUMPER PIN DESCRIPTION
TP1 VIN+ Positive input voltage sense connection
TP2 SW Probe point for the switch node of the LM5158 boost circuit
TP3 VOUT+ Positive output voltage sense connection
TP4 VIN– Negative input voltage sense connection
TP5 GND Negative output voltage sense connection
TP6 SYNC Input for the external clock signal. To implement the external clock synchronization, remove the
jumper resistor R10 and tie the external signal to TP6 (SYNC).
TP7 VAUX Supply the BIAS pin from an external supply.
TP8 VOUT+ Loop response positive injection point
TP9 VOUT– Loop response negative injection point
TP10 AGND Negative point for external signals
TP11 SD High signal pulls the UVLO pin to ground entering shutdown mode
J6 Pin 1 to pin 2 Connect VOUT to the BIAS pin of the LM5158 through D3.
Pin 2 to pin 3 Directly connect VOUT to the BIAS pin of the LM5158.
J7 Pin 1 to pin 2 Connect VIN to the BIAS pin of the LM5158 through D4.
Pin 2 to pin 3 Directly connect VIN to BIAS pin of the LM5158.
J8 Pin 1 to pin 2 Directly connect VCC to the BIAS pin.
J9 Pin 1 to pin 2 Directly connect VAUX to the BIAS pin.
J10
Pin 1 to pin 2 (NN) Hiccup mode disabled, spread spectrum disabled
Pin 3 to pin 4 (HS) Hiccup mode enabled, spread spectrum enabled
Pin 5 to pin 6 (HN) Hiccup mode enabled, spread spectrum disabled
Pin 7 to pin 8 (NS) Hiccup mode disabled, spread spectrum enabled
J11
SS (Pin 1) Monitor the SS pin.
COMP (Pin 2) Monitor the COMP pin.
AGND (Pin 3) Connection to AGND plane
SYNC (Pin 4) Monitor the EN/UVLO/SYNC pin.
PGOOD (Pin 5) Monitor the PGOOD pin.
BIAS-IC (Pin 6) Monitor the BIAS pin.
VCC (Pin 7) Monitor the VCC pin.
J12 Pin 1 Positive input voltage sense connection
Pin 2 Negative input voltage sense connection
J13 Pin 1 Positive output voltage sense connection
Pin 2 Negative output voltage sense connection
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2 Application Schematic
The LM5158EVM-BST is capable of multiple configurations. Figure 2-1 shows the standard configuration of the
LM5158EVM-BST where the parameters in Table 1-1 are valid. Section 4.2 describes the correct jumper settings
and measurement locations recreate the data presented in Section 5.
Figure 2-1. Application Circuit
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3 EVM Picture
Figure 3-1 shows the 3D-rendered picture of the LM5158EVM-BST. The actual board color can differ.
Figure 3-1. EVM Picture
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4 Test Setup and Procedure
4.1 Test Setup
Figure 4-1 shows the correct jumper positions to configure the evaluation module for the typical application, as
shown in Figure 2-1. The correct equipment connections and measurement points are shown in Table 4-1
Table 4-1. Standard Configuration Jumper Connections
JUMPER POSITION
J7 Jumper from pin 2 to pin 3
J10 Jumper from pin 3 to pin 4 (HS)
Figure 4-1. Test Setup
4.2 Test Equipment
•Power Supply: The input voltage source (VIN) should be a variable supply capable of 0 V to 10 V and
source at least 10 A.
•Multi-meters:
– Voltmeter 1: Input voltage. Connect from VIN+ to VIN–.
– Voltmeter 2: Output voltage. Connect from VOUT+ to GND.
– Ammeter 1: Input current. Must be able to handle 10 A. Shunt resistor can be used as needed.
– Ammeter 2: Output current. Must be able to handle 2 A. Shunt resistor can be used as needed.
•Electronic Load: The load should be constant resistance (CR) or constant current (CC) capable. It should
safely handle 2 A at 12 V.
•Oscilloscope: 20-MHz bandwidth and AC coupling. Measure the output voltage ripple directly across an
output capacitor with a short ground lead. It is not recommended to use a long-leaded ground connection due
to the possibility of noise being coupled into the signal. To measure other waveforms, adjust the oscilloscope
as needed.
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5 Test Results
Figure 5-1 through Figure 5-17 present the typical performance of the LM5158EVM-BST according to the BOM
and the configuration described in Section 4. Based on measurement techniques and environmental variables,
measurements can differ slightly than the data presented.
5.1 Efficiency Curve
IOUT (A)
Efficiency (%)
0 0.2 0.4 0.6 0.8 1 1.2
50%
55%
60%
65%
70%
75%
80%
85%
90%
95%
100%
VIN = 3.5 V
VIN = 4 V
VIN = 6 V
VIN = 9 V
Figure 5-1. Efficiency vs Load
5.2 Load Regulation Curve
Figure 5-2. Load Regulation
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5.3 Thermal Performance
Figure 5-3. Thermal Image: VIN = 3.3 V, IOUT = 0.6 A,
VBIAS = 3.3 V, No Forced Air Cooling
Figure 5-4. Thermal Image: VIN = 3.3 V, IOUT = 0.6 A,
VBIAS = 12 V, No Forced Air Cooling
Figure 5-5. Thermal Image: VIN = 6 V, IOUT = 1.2 A, VBIAS = 6 V, No Forced Air Cooling
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5.4 Steady State Waveforms
Figure 5-6. Steady State, VIN = 3.3 V, IOUT = 0.6 A Figure 5-7. Steady State, VIN = 6 V, IOUT = 1.2 A
Figure 5-8. Steady State, VIN = 9 V, IOUT = 1.2 A
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5.5 Start-Up Waveforms
Figure 5-9. Start-Up, VIN = 3.3 V, IOUT = 0.6 A Figure 5-10. Start-Up, VIN = 6 V, IOUT = 1.2 A
Figure 5-11. Start-Up, VIN = 9 V, IOUT = 1.2 A
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5.6 Load Transient Waveforms
Figure 5-12. Load Transient, VIN = 3.3 V, IOUT = 0.4 A
to 0.8 A
Figure 5-13. Load Transient, VIN = 6 V, IOUT = 0.6 A
to 1.2 A
Figure 5-14. Load Transient, VIN = 9 V, IOUT = 0.6 A to 1.2 A
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5.7 AC Loop Response Curves
Frequency (Hz)
Gain (dB)
Phase ()
100 200 300 500 700 1000 2000 3000 5000 10000 20000 50000 100000 200000 500000 1000000
-60 -180
-40 -120
-20 -60
0 0
20 60
40 120
60 180
Gain (dB)
Phase (Deg)
Figure 5-15. Control Loop Response, VIN = 3.3 V, IOUT = 0.6 A
Frequency (Hz)
Gain (dB)
Phase ()
100 200 300 500 700 1000 2000 3000 5000 10000 20000 50000 100000 200000 500000 1000000
-60 -180
-40 -120
-20 -60
0 0
20 60
40 120
60 180
Gain (dB)
Phase (Deg)
Figure 5-16. Control Loop Response, VIN = 6 V, IOUT = 0.6 A
Frequency (Hz)
Gain (dB)
Phase ()
100 200 300 500 700 1000 2000 3000 5000 10000 20000 50000 100000 200000 500000 1000000
-60 -180
-40 -120
-20 -60
0 0
20 60
40 120
60 180
Gain (dB)
Phase (Deg)
Figure 5-17. Control Loop Response, VIN = 9 V, IOUT = 1.2 A
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6 Design Files
Figure 6-1 through Figure 6-6 illustrate the EVM PCB layout images.
Figure 6-1. Top Layer and Silkscreen Figure 6-2. Top Layer
Figure 6-3. Signal Layer 1 Figure 6-4. Signal Layer 2
Figure 6-5. Bottom Layer Figure 6-6. Bottom Layer and Silkscreen
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6.1 Schematic
Figure 6-7 shows the EVM schematic.
Figure 6-7. LM5158EVM-BST Schematic
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6.2 Bill of Materials
Table 6-1 lists the EVM bill of materials.
Table 6-1. LM5158EVM-BST Bill of Materials
DESIGNATOR QTY VALUE DESCRIPTION PACKAGE
REFERENCE
PART NUMBER MANUFACTURER ALTERNATE
MANUFACTURER
C2 1 22 μF CAP, AL, 22 μF, 100 V, ±20%, 1.3 Ω,
AEC-Q200 Grade 2, SMD
SMT Radial F EEE-FK2A220P Panasonic
C3 1 1000 pF CAP, CERM, 1000 pF, 50 V, ±10%,
X7R, 0603
0603 C0603X102K5RACTU Kemet
C4, C17, C18 3 0.1 μF CAP, CERM, 0.1 µF, 50 V, ±10%, X7R,
AEC-Q200 Grade 1, 0603
0603 C0603C104K5RACAUTO Kemet
C5, C25 2 0.01 μF CAP, CERM, 0.01 μF, 50 V, ±10%,
X7R, 0603
0603 C0603X103K5RACTU Kemet
C6, C7, C8, C9,
C10
5 10 μF CAP, CERM, 10 μF, 50 V, ±10%, X7R,
1210
1210 GRM32ER71H106KA12L MuRata
C11, C12, C13,
C14, C15, C16
6 4.7 μF CAP, CERM, 4.7 μF, 50 V, ±10%, X7R,
AEC-Q200 Grade 1, 1210
1210 CGA6P3X7R1H475K250AB TDK
C21 1 1 μF CAP, CERM, 1 µF, 16 V,±10%, X7R,
AEC-Q200 Grade 1, 0603
0603 CGA3E1X7R1C105K080AC TDK
C22 1 0.1 μF CAP, CERM, 0.1 μF, 100 V, ±10%,
X7R, AEC-Q200 Grade 1, 0603
0603 GCJ188R72A104KA01D MuRata
C24 1 0.022 μF CAP, CERM, 0.022 μF, 50 V, ±10%,
X7R, 0603
0603 C0603X223K5RACTU Kemet
C26 1 100 pF CAP, CERM, 100 pF, 50 V, ±5%, C0G/
NP0, AEC-Q200 Grade 0, 0603
0603 CGA3E2NP01H101J080AA TDK
D1 1 45 V Diode, Schottky, 45 V, 10 A, AEC-
Q101, CFP15
CFP15 PMEG045V100EPDAZ Nexperia
D3, D4 2 60 V Diode, Schottky, 60 V, 1 A, SOD-123F SOD-123F PMEG6010CEH,115 Nexperia
H1, H2, H3, H4 4 Machine Screw, Round, #4-40 x 1/4,
Nylon, Philips panhead
Screw NY PMS 440 0025 PH B&F Fastener Supply
H5, H6, H7, H8 4 Standoff, Hex, 0.5"L #4-40 Nylon Standoff 1902C Keystone
J1, J2, J4, J5 4 Standard Banana Jack, Uninsulated,
8.9 mm
Keystone575-8 575-8 Keystone
J3 1 TEST POINT SLOTTED .118", TH Test point, TH
Slot Test point
1040 Keystone
J6, J7 2 Header, 100 mil, 3x1, Gold, TH 3x1 Header TSW-103-07-G-S Samtec
J8, J9, J12, J13 2 Header, 100 mil, 2x1, Gold, TH 2x1 Header TSW-102-07-G-S Samtec
J10 1 Header, 100 mil, 4x2, Gold, TH 4x2 Header TSW-104-07-G-D Samtec
J11 1 Header, 100 mil, 7x1, Gold, TH 7x1 Header TSW-107-07-G-S Samtec
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Table 6-1. LM5158EVM-BST Bill of Materials (continued)
DESIGNATOR QTY VALUE DESCRIPTION PACKAGE
REFERENCE
PART NUMBER MANUFACTURER ALTERNATE
MANUFACTURER
L2 1 1.5 μH Inductor, Shielded, Composite, 1.5 μH,
14 A, 0.01052 Ω, AEC-Q200 Grade 1,
SMD
XEL6030-152MEB Coilcraft
LBL1 1 Thermal Transfer Printable Labels,
0.650" W x 0.200" H - 10,000 per roll
PCB Label 0.650
x 0.200 inch
THT-14-423-10 Brady
Q3 1 100 V MOSFET, N-CH, 100 V, 0.17 A,
SOT-23
SOT-23 BSS123 Fairchild
Semiconductor
None
R2 1 0 RES, 0, 5%, 2 W, 2512 WIDE 2512 WIDE RCL12250000Z0EG Vishay Draloric
R3, R6, R8, R10 4 0 RES, 0, 5%, 0.1 W, 0603 0603 RC0603JR-070RL Yageo
R5, R13 2 100 k RES, 100 k, 1%, 0.1 W, AEC-Q200
Grade 0, 0603
0603 CRCW0603100KFKEA Vishay-Dale
R7 1 37.4 k RES, 37.4 k, 1%, 0.1 W, AEC-Q200
Grade 0, 0603
0603 CRCW060337K4FKEA Vishay-Dale
R9 1 61.9 k RES, 61.9 k, 1%, 0.1 W, AEC-Q200
Grade 0, 0603
0603 CRCW060361K9FKEA Vishay-Dale
R11 1 62 k RES, 62 k, 5%, 0.1 W, AEC-Q200
Grade 0, 0603
0603 CRCW060362K0JNEA Vishay-Dale
R12 1 10.0 RES, 10.0, 1%, 0.1 W, 0603 0603 RC0603FR-0710RL Yageo
R14 1 49.9 k RES, 49.9 k, 1%, 0.1 W, 0603 0603 RC0603FR-0749K9L Yageo
R15 1 71.5 k RES, 71.5 k, 1%, 0.1 W, AEC-Q200
Grade 0, 0603
0603 CRCW060371K5FKEA Vishay-Dale
R16 1 9.53 k RES, 9.53 k, 1%, 0.1 W, AEC-Q200
Grade 0, 0603
0603 CRCW06039K53FKEA Vishay-Dale
R17 1 4.53 k RES, 4.53 k, 1%, 0.1 W, AEC-Q200
Grade 0, 0603
0603 CRCW06034K53FKEA Vishay-Dale
R19 1 2.61 k RES, 2.61 k, 1%, 0.1 W, 0603 0603 RC0603FR-072K61L Yageo
R21 1 10.0 k RES, 10.0 k, 1%, 0.1 W, AEC-Q200
Grade 0, 0603
0603 CRCW060310K0FKEA Vishay-Dale
SH-J1, SH-J2 2 Single Operation 2.54 mm Pitch Open
Top Jumper Socket
Single Operation
2.54mm Pitch
Open Top
Jumper Socket
M7582-05 Harwin
TP1, TP3, TP7 3 Test Point, Miniature, Red, TH Red Miniature
Testpoint
5000 Keystone
TP4, TP5, TP10 3 Test Point, Miniature, Black, TH Black Miniature
Testpoint
5001 Keystone
TP6 1 Test Point, Miniature, Yellow, TH Yellow Miniature
Testpoint
5004 Keystone
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Table 6-1. LM5158EVM-BST Bill of Materials (continued)
DESIGNATOR QTY VALUE DESCRIPTION PACKAGE
REFERENCE
PART NUMBER MANUFACTURER ALTERNATE
MANUFACTURER
TP11, TP12 2 Test Point, Miniature, White, TH White Miniature
Testpoint
5002 Keystone
U1 1 2.2MHz Wide VIN Boost/Sepic/Flyback
Converter with Dual Random Spread
Spectrum, RTE0016K (WQFN-16)
RTE0016K LM5158QRTERQ1 Texas Instruments Texas Instruments
C1 0 2200 pF CAP, CERM, 2200 pF, 100 V, ±10%,
X7R, 0603
0603 GRM188R72A222KA01D MuRata
C23 0 100 pF CAP, CERM, 100 pF, 50 V, ±1%, C0G/
NP0, 0603
0603 C0603C101F5GACTU Kemet
C28, C29 0 100 μF CAP, Polymer Hybrid, 100 μF, 50 V,
±20%, 0.028 Ω, AEC-Q200 Grade 1,
D10xL10.2mm SMD
D10xL10.2mm EEH-ZC1H101P Panasonic
C36 0 0.068 μF CAP, CERM, 0.068 μF, 50 V, ±10%,
X7R, AEC-Q200 Grade 1, 0603
0603 CGA3E2X7R1H683K080AA TDK
D5 0 3 V Diode, Zener, 3 V, 200 mW, SOD-323 SOD-323 MMSZ5225BS-7-F Diodes Inc.
FID1, FID2, FID3,
FID4, FID5, FID6
0 Fiducial mark. There is nothing to buy
or mount.
N/A N/A N/A
L1 0 1 μH Inductor, Shielded, Composite, 1 μH,
21.8 A, 0.00455 Ω, SMD
XAL7030 XAL7030-102MEB Coilcraft
R1 0 2.00 RES, 2.00, 1%, 0.5 W, AEC-Q200
Grade 0, 1210
1210 ERJ-14BQF2R0U Panasonic
R4 0 100 k RES, 100 k, 1%, 0.1 W, AEC-Q200
Grade 0, 0603
0603 CRCW0603100KFKEA Vishay-Dale
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STANDARD TERMS FOR EVALUATION MODULES
1. Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or
documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance
with the terms set forth herein. User's acceptance of the EVM is expressly subject to the following terms.
1.1 EVMs are intended solely for product or software developers for use in a research and development setting to facilitate feasibility
evaluation, experimentation, or scientific analysis of TI semiconductors products. EVMs have no direct function and are not
finished products. EVMs shall not be directly or indirectly assembled as a part or subassembly in any finished product. For
clarification, any software or software tools provided with the EVM (“Software”) shall not be subject to the terms and conditions
set forth herein but rather shall be subject to the applicable terms that accompany such Software
1.2 EVMs are not intended for consumer or household use. EVMs may not be sold, sublicensed, leased, rented, loaned, assigned,
or otherwise distributed for commercial purposes by Users, in whole or in part, or used in any finished product or production
system.
2Limited Warranty and Related Remedies/Disclaimers:
2.1 These terms do not apply to Software. The warranty, if any, for Software is covered in the applicable Software License
Agreement.
2.2 TI warrants that the TI EVM will conform to TI's published specifications for ninety (90) days after the date TI delivers such EVM
to User. Notwithstanding the foregoing, TI shall not be liable for a nonconforming EVM if (a) the nonconformity was caused by
neglect, misuse or mistreatment by an entity other than TI, including improper installation or testing, or for any EVMs that have
been altered or modified in any way by an entity other than TI, (b) the nonconformity resulted from User's design, specifications
or instructions for such EVMs or improper system design, or (c) User has not paid on time. Testing and other quality control
techniques are used to the extent TI deems necessary. TI does not test all parameters of each EVM.
User's claims against TI under this Section 2 are void if User fails to notify TI of any apparent defects in the EVMs within ten (10)
business days after delivery, or of any hidden defects with ten (10) business days after the defect has been detected.
2.3 TI's sole liability shall be at its option to repair or replace EVMs that fail to conform to the warranty set forth above, or credit
User's account for such EVM. TI's liability under this warranty shall be limited to EVMs that are returned during the warranty
period to the address designated by TI and that are determined by TI not to conform to such warranty. If TI elects to repair or
replace such EVM, TI shall have a reasonable time to repair such EVM or provide replacements. Repaired EVMs shall be
warranted for the remainder of the original warranty period. Replaced EVMs shall be warranted for a new full ninety (90) day
warranty period.
WARNING
Evaluation Kits are intended solely for use by technically qualified,
professional electronics experts who are familiar with the dangers
and application risks associated with handling electrical mechanical
components, systems, and subsystems.
User shall operate the Evaluation Kit within TI’s recommended
guidelines and any applicable legal or environmental requirements
as well as reasonable and customary safeguards. Failure to set up
and/or operate the Evaluation Kit within TI’s recommended
guidelines may result in personal injury or death or property
damage. Proper set up entails following TI’s instructions for
electrical ratings of interface circuits such as input, output and
electrical loads.
NOTE:
EXPOSURE TO ELECTROSTATIC DISCHARGE (ESD) MAY CAUSE DEGREDATION OR FAILURE OF THE EVALUATION
KIT; TI RECOMMENDS STORAGE OF THE EVALUATION KIT IN A PROTECTIVE ESD BAG.

www.ti.com
2
3Regulatory Notices:
3.1 United States
3.1.1 Notice applicable to EVMs not FCC-Approved:
FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software
associated with the kit to determine whether to incorporate such items in a finished product and software developers to write
software applications for use with the end product. This kit is not a finished product and when assembled may not be resold or
otherwise marketed unless all required FCC equipment authorizations are first obtained. Operation is subject to the condition
that this product not cause harmful interference to licensed radio stations and that this product accept harmful interference.
Unless the assembled kit is designed to operate under part 15, part 18 or part 95 of this chapter, the operator of the kit must
operate under the authority of an FCC license holder or must secure an experimental authorization under part 5 of this chapter.
3.1.2 For EVMs annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant:
CAUTION
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not
cause harmful interference, and (2) this device must accept any interference received, including interference that may cause
undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to
operate the equipment.
FCC Interference Statement for Class A EVM devices
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to
correct the interference at his own expense.
FCC Interference Statement for Class B EVM devices
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
•Consult the dealer or an experienced radio/TV technician for help.
3.2 Canada
3.2.1 For EVMs issued with an Industry Canada Certificate of Conformance to RSS-210 or RSS-247
Concerning EVMs Including Radio Transmitters:
This device complies with Industry Canada license-exempt RSSs. Operation is subject to the following two conditions:
(1) this device may not cause interference, and (2) this device must accept any interference, including interference that may
cause undesired operation of the device.
Concernant les EVMs avec appareils radio:
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation
est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit
accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
Concerning EVMs Including Detachable Antennas:
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser)
gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type
and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for
successful communication. This radio transmitter has been approved by Industry Canada to operate with the antenna types
listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated.
Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited
for use with this device.