Texas Instruments TPS549D22EVM-784, Руководство пользователя, Страница: 2 / 48

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2 SLUUBG4 – July 2016
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TPS549D22EVM-784, 40-A Single Synchronous Step-Down Converter With
Full Differential Sense and PMBus™
7 Line Regulation of 1-V Output
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8 PMBus V
OUT
Step-Up = 0.6 V to 1.2 V at 0 A
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9 PMBus V
OUT
Step-Down = 1.2 V to 0.6 V at 0 A
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10 PMBus V
OUT
Step-Up = 0.6 V to 1.2 V at 40 A
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11 PMBus V
OUT
Step-Down = 1.2 V to 0.6 V at 40 A
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12 PMBUS Multiple Commands
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13 Transient Response of 1-V Output at 12 V
IN
, Transient is 8 A to 32 A, 2.5 A/µs
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14 Output Ripple and SW Node of 1-V Output at 12 V
IN
, 0-A Output
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15 Output Ripple and SW Node of 1-V Output at 12 V
IN
, 40-A Output
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16 Start up from Control, 1-V Output at 12 V
IN
, 40-A Output
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17 0.5-V Pre-bias start up from Control, 1-V Output at 12 V
IN
, 40-A Output
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18 Soft Stop from Control, 1-V Output at 12 V
IN
, 40-A Output
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19 Thermal Image at 1-V Output at 12 V
IN
, 40-A Output
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20 First Window at Fusion Launch
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21 Scan Finds Device Successfully
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22 Software Launch Continued
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23 Software Launch Continued
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24 First Screen After Successful Launch Configure: Limits and On/Off
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25 Configure: Frequency- FS Configuration Pop-up
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26 Configure: Frequency- FS Config Pop-Up with Change
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27 Configure: Store Config to NVM
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28 Change View Screen to Monitor Screen
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29 System Dashboard
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30 Status Screen
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31 Store Configuration To Memory
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32 PMBus Logging
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33 PMBus Log Details
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34 PWR-784EVM Top Layer Assembly Drawing (Top View)
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35 PWR-784EVM Top Solder Mask (Top View)
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36 PWR-784EVM Top Layer (Top View)
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37 PWR-784EVM Inner Layer 1 (Top View)
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38 PWR-784EVM Inner Layer 2 (Top View)
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39 PWR-784EVM Inner Layer 3 (Top View)
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40 PWR-784EVM Inner Layer 4 (Top View)
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41 PWR-784EVM Bottom Layer (Top View)
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42 PWR-784EVM Bottom Solder Mask (Top View)
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43 PWR-784EVM Bottom Overlay Layer (Top View)
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List of Tables
1 PWR-784EVM Electrical Performance Specifications
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2 Test Point Functions
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3 Key Factory Configuration Parameters
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4 List of Test Points for Line and Load Measurements
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5 List of Test Points for Efficiency Measurements
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6 PWR784 List of Materials
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