Texas Instruments TPS650231EVM, TPS65023B manual Introduction, Requirements, Personal Computer

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User's Guide

SLVU394 – October 2010

TPS65023B/TPS650231EVM

The characteristics, operation, and use of the TPS65023B/TPS650231EVM-664 evaluation module (EVM) are described in this document. This EVM is designed to help the user evaluate and test the various operating modes of the TPS65023B/TPS650231. 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.

 

Contents

 

1

Introduction

1

2

Electrical Performance Specification

2

3

Input/Output Connector Description

3

4

Board Layout

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5

Schematic and Bill of Materials

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List of Figures

 

1

Assembly Layer

6

2

Top Layer Routing

7

3

Layer-2 Routing, GND Plane

8

4

Layer-3 Routing, Vin Plane

9

5

Bottom Layer Routing

10

6

TPS65023B/TPS650231EVM-664 Schematic

11

 

List of Tables

 

1

EVM Ordering Options

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2

Default LDO Output Voltages TPS65023B

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3

Default LDO Output Voltages TPS650231

2

4

TPS65023B/TPS650231EVM-664 Bill of Materials

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1Introduction

The Texas Instruments TPS65023B/TPS650231EVM is an integrated power management integrated circuit (IC) for applications that are powered with one Li-ion or Li-polymer cell and require multiple power rails. The TPS65023B/TPS650231 contains three highly efficient switching step-down converters, two LDOs, and additional status and I/O pins. The device is controlled via an I2C interface (HPA172).

1.1Requirements

In order for this EVM to operate properly, the following components must be connected and properly configured.

1.1.1Personal Computer

A personal computer with a USB port is required to operate this EVM. The TPS65023B/TPS650231 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 TPS65023B/TPS650231 internal registers through the USB port.

SLVU394 –October 2010

TPS65023B/TPS650231EVM

1

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Copyright © 2010, Texas Instruments Incorporated

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Contents Requirements IntroductionPersonal Computer Electrical Performance Specification FeaturesInput/Output Connector Description Setup Setting the Output Voltage for DCDC2, TPS650231 Setting the Output VoltageModifications Simple Two-Point Voltage Scaling, TPS650231Layout Board LayoutTop Layer Routing Layer-2 Routing, GND Plane Layer-3 Routing, Vin Plane Bottom Layer Routing Schematic Schematic and Bill of MaterialsRelated Documentation Bill of MaterialsTPS65023B/TPS650231EVM-664 Bill of Materials FCC Warning Evaluation Board/Kit Important NoticeEVM Warnings and Restrictions Products Applications Important Notice

TPS65023B, TPS650231EVM specifications

Texas Instruments has a reputation for producing high-quality power management solutions, and the TPS650231EVM and TPS65023B are perfect examples of this. These advanced power management modules are designed for efficient power delivery in various applications, including portable devices and embedded systems.

The TPS650231EVM is an evaluation module developed to facilitate the evaluation of the TPS65023B power management IC. This device is specifically engineered to deliver power to processors that require multiple outputs from a single power source. The TPS65023B integrates several key features that make it a robust choice for designers aiming to simplify their power management requirements.

One of the main highlights of the TPS65023B is its dual buck converter. This converter can efficiently convert the input voltage into multiple output voltages, specifically optimized for powering processors and other system components. The device supports adjustable output voltages, allowing developers to tune the system to meet the exact power needs of their applications. With an input voltage range of 2.5V to 5.5V, the TPS65023B can accommodate diverse power input requirements.

Another key technology incorporated in the TPS65023B is the ultra-low quiescent current specification, which helps extend battery life in portable applications. This is particularly important in battery-powered devices, where optimization of power consumption is critical. The device also incorporates various protection features, including thermal shutdown, over-voltage protection, and short-circuit protection, ensuring reliable operation under various conditions.

The TPS65023B features a small footprint, making it ideal for space-constrained designs. The integration of multiple power management functions into a single device not only saves board space but also simplifies the design process, allowing engineers to focus on other critical aspects of their applications.

In addition to its technical specifications, the TPS650231EVM provides a user-friendly platform for evaluating the performance of the TPS65023B. This evaluation module includes necessary components and design considerations, enabling developers to quickly assess the device's capabilities within their systems.

In summary, the Texas Instruments TPS650231EVM and TPS65023B offer cutting-edge features, advanced technology, and robust performance. Their versatility and efficiency make them highly suitable for a range of applications, helping engineers achieve their design goals while maximizing power efficiency and reliability.