Texas Instruments TPS65281EVM Evaluation Module TPS65281EVM TPS65281EVM Datenbogen
Produktcode
TPS65281EVM
INTRODUCTION
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INTRODUCTION
This document presents the information required to operate the TPS65281 PMIC as well as the support
documentation including schematic and bill of materials.
documentation including schematic and bill of materials.
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BACKGROUND
The TPS65281 PMIC contains a buck converter and one power switch. The buck converter is designed to
provide an adjustable output voltage with maximum 3-A continuous current. The power switch is designed
to provide precise current limit programmable by an external resistor.
provide an adjustable output voltage with maximum 3-A continuous current. The power switch is designed
to provide precise current limit programmable by an external resistor.
As there are many possible options to set the converters,
presents the performance specification
summary for the EVM.
Table 1. Summary of Performance
TEST CONDITIONS
PERFORMANCE
V
IN
= 4.5 V to 18 V
Buck : 5.0 V, up to 3 A
f
SW
= 600 kHz
Power Switch: 5.0 V, up to 2.1 A
(25°C ambient)
The evaluation module is designed to provide access to the features of the TPS65281. Some
modifications can be made to this module to test performance at different input and output voltages,
current and switching frequency. Please contact TI Field Applications Group for advice on these matters.
modifications can be made to this module to test performance at different input and output voltages,
current and switching frequency. Please contact TI Field Applications Group for advice on these matters.
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TPS65281EVM User’s Guide
SLVU770 – August 2012
Copyright © 2012, Texas Instruments Incorporated