Texas Instruments TPS65023B, TPS650231EVM manual Features, Electrical Performance Specification

Page 2

Electrical Performance Specification

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1.1.2Printed-Circuit Board Assembly

The TPS65023B/TPS650231EVM-664 PCB contains the TPS65023B/TPS650231 IC and its required external components. This board contains several jumpers and connectors that allow the user to customize the board for specific operating conditions.

1.1.3USB-to- I 2C Adapter

The USB-to-I2C Adapter, also known as the HPA172, is the link that allows the PC and the EVM to communicate. The adapter connects to the PC with the supplied USB cable on one side and to the EVM though the supplied ribbon cable on the other. When the user writes a command to the EVM, the interface program, which is run from the PC, sends the command to the PC USB port. The adapter receives the USB command and converts the signal to an I2C protocol. It then sends the I2C signal to the TPS65023B/TPS650231 board. When the user reads a status register from the EVM, the PC sends a command to read a register on the EVM. When the EVM receives the command, it reports the status of the register via the I2C interface. The adapter receives the information on the I2C interface, converts it to a USB protocol, and sends it to the PC.

1.1.4Software

Texas Instruments provides software to assist the user in evaluating this EVM. To install the software, go to the Texas Instruments Web page and download the latest software version from the TPS65023B or TPS650231 product folder. Once you have downloaded the software, execute the setup file, and follow the instructions given.

1.2Features

•Three high-efficiency DC/DC step-down converters (1.7 A/1.2 A/1 A)

•2 x 200-mA low-dropout (LDO) regulators

•30-mA RTC (Reel Time Clock) LDO

•I2C Interface (100-ns setup and hold time)

•Dynamic voltage scaling DCDC1

2 Electrical Performance Specification

Table 1. EVM Ordering Options

Orderable EVM

Device Part

 

Default Output Voltages

 

Number

Number

DCDC1

DCDC2

DCDC3

LDO1

LDO2

 

 

 

 

 

 

 

TPS65023BEVM-664

TPS65023B

1.2V / 1.6V

1/8V / 3.3V

1.8V / 3.3V

SeeTable 2

SeeTable 2

 

 

 

 

 

 

 

TPS650231EVM-664

TPS650231

1.2V / 1.6V

n/a

1.8V / 3.3V

See Table 3

See Table 3

 

 

 

 

 

 

 

Table 2. Default LDO Output Voltages TPS65023B

DEFLDO2

DEFLDO1

VLDO1

VLDO2

 

 

 

 

0

0

1.3 V

3.3 V

 

 

 

 

0

1

2.8 V

3.3 V

 

 

 

 

1

0

1.3 V

1.8 V

 

 

 

 

1

1

1.8 V

3.3 V

 

 

 

 

Table 3. Default LDO Output Voltages TPS650231

 

 

DEFLDO2

DEFLDO1

VLDO1

VLDO2

 

 

 

 

 

 

 

 

 

 

0

0

1.3 V

3.3 V

 

 

 

 

 

 

 

 

 

 

0

1

2.8 V

3.3 V

 

 

 

 

 

 

 

 

 

 

1

0

1.3 V

1.8 V

 

 

 

 

 

 

 

 

 

 

1

1

2.1 V

3.3 V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

TPS65023B/TPS650231EVM

 

 

SLVU394 –October 2010

 

 

 

 

 

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Copyright © 2010, Texas Instruments Incorporated

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Contents Personal Computer IntroductionRequirements Features Electrical Performance SpecificationInput/Output Connector Description Setup Modifications Setting the Output VoltageSetting the Output Voltage for DCDC2, TPS650231 Simple Two-Point Voltage Scaling, TPS650231Board Layout LayoutTop Layer Routing Layer-2 Routing, GND Plane Layer-3 Routing, Vin Plane Bottom Layer Routing Schematic and Bill of Materials SchematicTPS65023B/TPS650231EVM-664 Bill of Materials Bill of MaterialsRelated Documentation EVM Warnings and Restrictions Evaluation Board/Kit Important NoticeFCC Warning Important Notice Products Applications

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.
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