Texas Instruments TPS62065EVM, Руководство пользователя

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User's Guide
SLVU364A – March 2010 – Revised November 2015
TPS62065/67EVM
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
TPS62065 and TPS62067 2-A step-down converters. This
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.
Contents
1 Introduction
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2
2 Electrical Performance Specifications
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2
3 TPS62056/67EVM Schematic
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3
4 Connector and Test Point Descriptions
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4
5 Test Configuration
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6
6 TPS62065/67EVM Test Data
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8
7 TPS62065/67EVM-347 Assembly Drawings and Layout
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12
8 Bill of Materials
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18
List of Figures
1 TPS62065EVM Schematic
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3
2 TPS62067EVM Schematic
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3
3 Hardware Board Connection
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6
4 TPS62065, TPS62067 Efficiency vs Load Current
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8
5 TPS62065 Startup into 2.2- Ω Load
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8
6 TPS62067 Startup into 2.2- Ω Load
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9
7 TPS62067 Shutdown: No Load
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9
8 TPS62065 Output Voltage Ripple (PFM Mode)
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10
9 TPS62065 Output Voltage Ripple (PWM Mode)
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10
10 TPS62065 Gain and Phase vs Frequency
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11
11 TPS62065 Gain and Phase vs Frequency
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11
12 TPS62065/67EVM Component Placement (Top View)
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13
13 TPS62065/67EVM Top-Side Copper (Top View)
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14
14 TPS62065/67EVM Internal Layer 1 (X-Ray View, from Top)
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15
15 TPS62065/67EVM Internal Layer 2 (X-Ray View, from Top)
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16
16 TPS62065/67EVM Bottom-Side Copper (Bottom View)
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17
List of Tables
1 TPS62065/67EVM Performance Characteristics
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2
2 TPS62065/67EVM Bill of Materials
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18
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1 SLVU364A – March 2010 – Revised November 2015 TPS62065/67EVM
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