Texas Instruments TPS54160EVM-230, User Manual

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User's Guide
SLVU270 – September 2008
TPS54160EVM-230
Contents
1 Introduction
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2
1.1 Background
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2
2 Connector Description
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2
2.1 Input/Output Connector Descriptions
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2
3 Performance Specifications
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3
3.1 Top Converter Specification
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3
3.2 Bottom Converter Specification
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4
4 Test Results
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6
5 Board Layout
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11
5.1 Layout
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11
6 Schematic and Bill of Materials
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17
6.1 Schematic
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17
6.2 Bill of Materials
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18
List of Figures
1 Synchronization to an External Clock
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5
2 Top Converter Efficiency
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6
3 Bottom Converter Efficiency
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6
4 Top Converter Transient Response, 0.5A to 1.5A step, Vin=42V
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6
5 Bottom Converter Transient Response, 0.5A to 1.5A step, Vin=48V
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7
6 Top Converter Output Voltage Ripple, Vin=42V, Iout=1.5A
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7
7 Bottom Converter Output Voltage Ripple, Vin=60.0V, Iout=1.5A
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7
8 Top Converter Input Voltage Ripple, Vin=42.0V, Iout=1.5A
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8
9 Bottom Converter Input Voltage Ripple, Vin=48.0V, Iout=1.5A
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8
10 Top Converter Start-up relative to Vin, Vin=42V, Iout=1.5A
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8
11 Top Converter UVLO relative to Vin, Iout=1.5A
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9
12 Bottom Converter Start-up relative to Vin, Vin=60.0V, Iout=1.5A
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9
13 Bottom Converter Start-up relative to EN, Vin=60.0V, Iout=1.5A
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9
14 Bottom Converter Loop Response, Vin=36V, Iout=1.0A
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10
15 Top Converter Loop Response, Vin=42V, Iout=1.0A
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10
16 Assembly Layer
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12
17 Top Layer Routing
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13
18 Layer 2 Routing
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14
19 Layer 3 Routing
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15
20 Bottom Layer Routing
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16
21 TPS54160EVM-230 Schematic
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17
List of Tables
1 Top Converter Specifications
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4
2 Bottom Converter Specifications
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4
3 TPS54160EVM-230 Bill of Materials – Top Converter
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18
4 TPS54160EVM-230 Bill of Materials – Bottom Converter
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18
SLVU270 – September 2008 TPS54160EVM-230 1
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