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1 Introduction
1.1 Requirements
1.1.1 Personal Computer
User's Guide
SLVU193 – December 2006
TPS65023EVM
This user’s guide describes the characteristics, operation, and use of the
TPS65023EVM-205 evaluation module (EVM). This EVM is designed to help the user
evaluate and test the various operating modes of the TPS65023. This user’s guide
includes setup instructions for the hardware and software, a schematic diagram, a bill
of materials, and PCB layout drawings for the evaluation module.
Related Documentation From Texas Instruments
TPS65023, Power Management IC For Li-Ion Powered Systems data sheet
(SLVS670 )
Contents
1 Introduction .......................................................................................... 1
2 Setup ................................................................................................. 2
3 Board Layout ........................................................................................ 4
4 Schematic and Bill of Materials ................................................................... 9
List of Figures
1 Assembly Layer ..................................................................................... 5
2 Top Layer Routing .................................................................................. 6
3 Layer 2 Routing, GND Plane ...................................................................... 7
4 Layer 3 Routing, Vin Plane ........................................................................ 8
5 Bottom Layer Routing .............................................................................. 9
6 Figure 6. TPS65023EVM-205 Schematic ...................................................... 10
List of Tables
1 TPS65023EVM-205 Bill of Materials ........................................................... 10
The Texas Instruments TPS65023EVM is an integrated power management IC for applications that are
powered with one Li-ion or Li-polymer cell and require multiple power rails. The TPS65023 contains three
highly efficient switching step-down converters, two LDOs, and additional status and I/O pins. The device
is controlled via an I
2
C interface (HPA172).
In order for this EVM to operate properly, the following components must be connected and properly
configured.
A computer with a USB port is required to operate this EVM. The TPS65023 interface software, which is
run on the personal computer (PC), communicates with the EVM via the PC USB port. The user sends
commands to the EVM as well as reads the contents of the TPS65023 internal registers through the USB
port.
SLVU193 – December 2006 TPS65023EVM 1
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