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TPS61170EVM-280
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TPS61170EVM-280 产品设计参考 - TI

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TPS61170EVM-280 产品设计参考

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User's Guide
SLVU222CDecember 2007Revised September 2009
TPS61170EVM-280
This user's guide describes the characteristics, operation, and use of the TPS61170EVM-280 evaluation
module (EVM). This EVM contains the Texas Instruments TPS61170 high-efficiency boost converter that
is configured to provide a regulated 24-V output voltage from an input voltage ranging from 9 V to 18 V.
The user's guide includes a schematic diagram, bill of materials and test data.
Contents
1 Introduction .................................................................................................................. 1
2 Setup and Test Results .................................................................................................... 2
3 Board Layout ................................................................................................................ 9
4 Bill of Materials and Schematic .......................................................................................... 13
List of Figures
1 USB Interface Adapter Quick Connection Diagram .................................................................... 4
2 Screen Capture of TPS6116x/70 Controller Software GUI Interface ................................................ 5
3 Efficiency With V
IN
= 9 V, 12 V, and 18 V and the SD6030 22-μH Inductor ........................................ 6
4 Start-Up With V
IN
= 12 V and I
OUT
= 200 mA............................................................................. 6
5 Load Transient Response From 50 mA to 150 mA With V
IN
= 12 V ................................................. 7
6 Loop Gain With I
OUT
= 250 mA and V
IN
= 9 V and 18 V ............................................................... 8
7 PWM Operation at 200 mA With V
IN
= 12 V ............................................................................ 9
8 Top Assembly Layer ...................................................................................................... 10
9 Top-Side Layer ............................................................................................................ 11
10 Bottom-Side Layer......................................................................................................... 12
11 TPS61170EVM-280 Schematic.......................................................................................... 14
List of Tables
1 Performance Specification Summary..................................................................................... 2
2 HPA280A Bill of Materials................................................................................................ 13
1 Introduction
This section contains background information for the TPS61170EVM-280 evaluation module.
1.1 Background
This TPS61170EVM-280 steps up 9-V to 18-V input voltages to a 24-V output. The goal of the EVM is to
facilitate evaluation of the TPS61170 power supply solution. The EVM uses the TPS61170 adjustable
output boost converter, external Schottky diode, input and output capacitors, inductor, and the appropriate
feedback and compensation components to provide 24 V.
EasyScale is a trademark of Texas Instruments.
Windows, Microsoft are trademarks of Microsoft Corporation.
VeriSign is a trademark of VeriSign, Inc..
1
SLVU222CDecember 2007Revised September 2009 TPS61170EVM-280
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Copyright © 2007–2009, Texas Instruments Incorporated
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