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This user's guide describes the characteristics, operation, and use of the TPS62065-67EVM-347
evaluation module (EVM). The TPS62065-67EVM-347 is a fully assembled and tested platform for
evaluating the performance of both the
document includes schematic diagrams, printed circuit board (PCB) layout, bill of materials, and test data.
Throughout this document, the abbreviations EVM, TPS62065/67EVM, and the term evaluation module
are synonymous with the TPS62065-67EVM-347 unless otherwise noted.
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TPS62065 Gain and Phase vs Frequency
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All trademarks are the property of their respective owners.
SLVU364 - March 2010
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TPS62065
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List of Figures
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TPS62067
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List of Tables
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User's Guide
SLVU364 - March 2010
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Table of Contents
Related Manuals for Texas Instruments TPS62065
Summary of Contents for Texas Instruments TPS62065
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Page 1: Table Of Contents
TPS62065/67EVM Bottom-Side Copper (Bottom View) List of Tables ............... TPS62065/67EVM Performance Characteristics ..................TPS62065/67EVM Bill of Materials All trademarks are the property of their respective owners. SLVU364 – March 2010 TPS62065/67EVM Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated... -
Page 2: Introduction
Systems Characteristics Switching Frequency 2600 3000 3400 Peak Efficiency VIN =Nom VIN = 5.0 V, VIN = Full Load Efficiency h 1.8 V I = 2,000 TPS62065/67EVM SLVU364 – March 2010 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated... -
Page 3: Tps62056/67Evm Schematic
Figure 1. TPS62065EVM Schematic Figure 2. TPS62067EVM Schematic NOTE: These diagrams are provided for reference only. See Table 2, the Bill of Materials, for specific component values. SLVU364 – March 2010 TPS62065/67EVM Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated... -
Page 4: Connector And Test Point Descriptions
(SLVS833) for a detailed description of this configuration. A 1-MΩ pulldown resistor is connected between GND and MODE. By removing JP11, the converter operates in power-saving mode under light load conditions. TPS62065/67EVM SLVU364 – March 2010 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated... - Page 5 The PG output provides a low-level output when the FB voltage falls below 90% of its nominal value. NOTE: This function is only available on the TPS62067EVM. SLVU364 – March 2010 TPS62065/67EVM Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated...
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Page 6: Test Configuration
Test Configuration Hardware Setup Figure 3 illustrates a typical hardware test configuration. Oscilloscope JP10 ON EN OFF VOUT Load Power Supply TPS62065/67EVM-347 Figure 3. Hardware Board Connection TPS62065/67EVM SLVU364 – March 2010 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated... - Page 7 J26. PG is an open-drain output. The output is pulled up with a 1-MΩ pull-up resistor (R22) to VIN. This feature is only available on the TPS62067EVM. SLVU364 – March 2010 TPS62065/67EVM Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated...
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Page 8: Tps62065/67Evm Test Data
500 mA/div = 1.8 V Load = R2R Time (100 s/div) Conditions: VIN = 3.6 V, V = 1.8 V Figure 5. TPS62065 Startup into 2.2-Ω Load TPS62065/67EVM SLVU364 – March 2010 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated... -
Page 9: Tps62067 Startup Into 2.2-Ω Load
PG Pull-up Resistor = 10 kW 2 V/div 5 V/div Time (1 ms/div) Conditions: VIN = 4.2 V, V = 3.3 V Figure 7. TPS62067 Shutdown: No Load SLVU364 – March 2010 TPS62065/67EVM Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated... -
Page 10: Tps62065 Output Voltage Ripple (Pfm Mode)
V = 3.6 V L = 1.2 H = 10 F MODE = GND = 1.8 V Time (100 ns/div) Figure 9. TPS62065 Output Voltage Ripple (PWM Mode) TPS62065/67EVM SLVU364 – March 2010 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated... -
Page 11: Tps62065 Gain And Phase Vs Frequency
Conditions: VIN = 5.0 V, VOUT = 1.8 V, I = 1.6 A; bandwidth: 271 kHz, phase margin: 54° Figure 11. TPS62065 Gain and Phase vs Frequency SLVU364 – March 2010 TPS62065/67EVM Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated... -
Page 12: Tps62065/67Evm-347 Assembly Drawings And Layout
NOTE: Board layouts are not to scale. These figures are intended to show how the board is laid out; they are not intended to be used for manufacturing TPS62065/67EVM-347 PCBs. TPS62065/67EVM SLVU364 – March 2010 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated... -
Page 13: Tps62065/67Evm Component Placement (Top View)
TPS62065/67EVM-347 Assembly Drawings and Layout www.ti.com 38.10 mm (1.50 inch) 38.10 mm (1.50 inch) 45.72 mm (1.80 inch) Figure 12. TPS62065/67EVM Component Placement (Top View) SLVU364 – March 2010 TPS62065/67EVM Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated... -
Page 14: Tps62065/67Evm Top-Side Copper (Top View)
TPS62065/67EVM-347 Assembly Drawings and Layout www.ti.com Figure 13. TPS62065/67EVM Top-Side Copper (Top View) TPS62065/67EVM SLVU364 – March 2010 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated... -
Page 15: Tps62065/67Evm Internal Layer 2 (X-Ray View, From Top)
TPS62065/67EVM-347 Assembly Drawings and Layout www.ti.com Figure 14. TPS62065/67EVM Internal Layer 2 (X-Ray View, from Top) SLVU364 – March 2010 TPS62065/67EVM Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated... -
Page 16: Tps62065/67Evm Internal Layer 1 (X-Ray View, From Top)
TPS62065/67EVM-347 Assembly Drawings and Layout www.ti.com Figure 15. TPS62065/67EVM Internal Layer 1 (X-Ray View, from Top) TPS62065/67EVM SLVU364 – March 2010 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated... -
Page 17: Tps62065/67Evm Bottom-Side Copper (Bottom View)
TPS62065/67EVM-347 Assembly Drawings and Layout www.ti.com Figure 16. TPS62065/67EVM Bottom-Side Copper (Bottom View) SLVU364 – March 2010 TPS62065/67EVM Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated... -
Page 18: Bill Of Materials
These assemblies must comply with workmanship standards IPC-A-610 Class 2. Reference designators marked with an asterisk (**) cannot be substituted. All other components can be substituted with equivalent manufacturing components. TPS62065/67EVM SLVU364 – March 2010 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated... -
Page 19: Fcc Warning
Evaluation Board/Kit Important Notice Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit 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. Persons handling the product(s) must have electronics training and observe good engineering practice standards. -
Page 20: Important Notice
IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.