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TPS2024EVM-290 产品设计参考手册 - TI（德州仪器）
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TI（德州仪器）
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开发套件
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TEXAS INSTRUMENTS TPS2024EVM-290 评估板, TPS2024, 电源分配开关
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TPS2024EVM-290数据手册
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User's Guide
SLVU359–January 2010
TPS61175EVM-588
This user’s guide describes the characteristics, operation, and use of the TPS61175EVM-588 evaluation
module (EVM). This EVM contains the Texas Instruments TPS61175 high-efficiency boost converter that
is configured in a split-rail, single-ended primary inductance converter (SEPIC) to provide a regulated 12-V
output voltage from an input voltage ranging from 9-V to 24-V. This user’s guide includes a schematic
diagram, board layout, bill of materials, and test data.
Contents
1 Introduction .................................................................................................................. 2
1.1 Background ......................................................................................................... 2
1.2 Performance Specification Summary ............................................................................ 2
1.3 Modifications ........................................................................................................ 3
1.4 Design Example .................................................................................................... 3
2 Schematic .................................................................................................................... 3
3 Setup and Test Results .................................................................................................... 3
3.1 Input/Output Connections ......................................................................................... 3
3.2 Test Results ........................................................................................................ 5
4 Board Layout ................................................................................................................ 9
4.1 Layout ............................................................................................................... 9
5 5 Bill of Materials .......................................................................................................... 11
List of Figures
1 TPS61175EVM-588 Efficiency ............................................................................................ 5
2 Start-Up With V
IN
= 9V and I
OUT
= 750 mA............................................................................... 5
3 Start-Up With V
IN
= 24V and I
OUT
= 750 mA.............................................................................. 6
4 PWM Operation at 750 mA with V
IN
= 9V................................................................................ 6
5 PWM Operation at 750 mA with V
IN
= 24V .............................................................................. 7
6 Load Transient Response From 50 mA to 375 mA With V
IN
= 9V.................................................... 7
7 Load Transient Response From 50 mA to 375 mA With V
IN
= 24V .................................................. 8
8 Loop Gain and Phase ...................................................................................................... 8
9 Top Layer Assembly........................................................................................................ 9
10 Top Layer Routing .......................................................................................................... 9
11 Internal Layer 1............................................................................................................ 10
12 Internal Layer 2............................................................................................................ 10
13 Bottom-Side Layer......................................................................................................... 11
List of Tables
1 Performance Specification Summary for V
IN
= 9.0 V................................................................... 2
2 Performance Specification Summary for V
IN
= 24.0 V with Split Rail Circuitry Installed........................... 2
3 Bill of Materials............................................................................................................. 11
1
SLVU359–January 2010 TPS61175EVM-588
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