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TPS63020EVM-487
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TPS63020EVM-487 产品设计参考 - TI

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TPS63020EVM-487 产品设计参考

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User's Guide
SLVU365March 2010
TPS63020EVM-487
This user’s guide describes the characteristics, operation, and use of the TPS63020EVM evaluation
module (EVM). The EVM is designed to help the user easily evaluate and test the operation and
functionality of the TPS63020. This user’s guide includes setup instructions for the hardware, a schematic
diagram, a bill of materials, and printed-circuit board layout drawings for the evaluation module.
Contents
1 Introduction .................................................................................................................. 1
2 Setup and Results .......................................................................................................... 2
3 Board Layout ................................................................................................................ 5
4 Schematic and Bill of Materials ........................................................................................... 7
List of Figures
1 Turn ON Into Electronic Load ............................................................................................. 3
2 Output Ripple Vin 3 V ...................................................................................................... 4
3 Output Ripple Vin 4 V ...................................................................................................... 4
4 Efficiency Over Li-Ion Cell Range ........................................................................................ 5
5 Load Step 100 mA to 500 mA............................................................................................. 5
6 Assembly Layer ............................................................................................................. 6
7 Top Layer Routing .......................................................................................................... 6
8 Bottom Layer Routing ...................................................................................................... 7
9 Schematic.................................................................................................................... 7
List of Tables
1 Performance Specification Summary..................................................................................... 2
2 TPS63020EVM-487 Bill of Materials ..................................................................................... 8
1 Introduction
The Texas Instruments TPS63020 is a highly efficient, single-inductor, buck-boost converter in a 14-pin,
3-mm × 4-mm QFN package. Both fixed and adjustable output voltage units are available.
1.1 Background
The TPS63020EVM-487 uses the TPS63020 adjustable version and is set to 3.3-V output. The EVM
operates with full-rated performance with an input voltage between 1.8 V and 5.5 V.
1.2 Performance Specification
Table 1 provides a summary of the TPS63020EVM-487 performance specifications. All specifications are
given for an ambient temperature of 25°C.
1
SLVU365March 2010 TPS63020EVM-487
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Copyright © 2010, Texas Instruments Incorporated
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