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Related Manuals for Texas Instruments TPS61090EVM-029
Summary of Contents for Texas Instruments TPS61090EVM-029
- Page 1 TPS61090EVM 029 Evaluation Module User’s Guide October 2003 SBVU003...
- Page 2 TI product or service and is an unfair and deceptive business practice. TI is not responsible or liable for any such statements. Following are URLs where you can obtain information on other Texas Instruments products & application solutions:...
- Page 3 EVM IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not considered by TI to be fit for commercial use. As such, the goods being provided may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including product safety measures typically found in the end product incorporating the goods.
- Page 4 EVM schematic located in the EVM User’s Guide. When placing measurement probes near these devices during operation, please be aware that these devices may be very warm to the touch. Mailing Address: Texas Instruments Post Office Box 655303 Dallas, Texas 75265 Copyright 2003, Texas Instruments Incorporated...
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Page 5: How To Use This Manual
Related Documentation From Texas Instruments The following document provides information regarding Texas Instruments integrated circuits used in the assembly of the TPS61090EVM-029. This document is available from the TI web site. The last character of the litera- ture number corresponds to the document revision, which is current at the time of the writing of this User’s Guide. -
Page 6: If You Need Assistance
If you have questions regarding either the use of this evaluation module or the information contained in the accompanying documentation, please con- tact the Texas Instruments Product Information Center at (972) 644−5580, visit the TI web site at www.ti.com, or contact your local TI sales represen- tative. -
Page 7: Table Of Contents
............. Related Documentation From Texas Instruments . - Page 8 Tables Table 1. TPS61090EVM-029 Bill of Materials ..........
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Page 9: Introduction
Chapter 1 Introduction The Texas Instruments TPS61090EVM evaluation board helps designers evaluate the operation and performance of the TPS61090 family of high-frequency synchronous boost DC/DC converters. This EVM is specifically designed and optimized to operate with 2-cell NiCad, Ni-MH, or alkaline battery input. The default output voltage of this EVM is 5.0V. -
Page 10: Setup
Chapter 2 Setup This chapter describes the jumpers and connectors on the EVM as well as how to properly configure, set up, and use the TPS61090EM-029. Topic Page Input/Output Connector Descriptions ......Setup . -
Page 11: Input/Output Connector Descriptions
Input/Output Connector Descriptions 2.1 Input/Output Connector Descriptions 2.1.1 J1—VBAT This is the positive connection to the input power supply. The leads to the input supply should be twisted and kept as short as possible to minimize EMI trans- mission. 2.1.2 J2—GND This is the return connection for the input power supply. -
Page 12: Operation
Operation 2.3 Operation The EVM has been optimized to operate from a 2-cell NiCad, NiMH, and alkaline battery with input voltage range down to 1.8V. The output voltage is set to 5.0V and is capable of supplying 500mA. After connecting the input and output connections, and setting the SYNC jumper (JP1) to the desired setting, turn on the input supply and then enable the output as desired with JP2. -
Page 13: Board Layout
Chapter 3 Board Layout This chapter provides the TPS61090EVM-029 board layout and illustrations. Topic Page Layout ............ -
Page 14: Layout
Board Layout is critical for all switch mode power supplies. Figure 3−1, Figure 3−2, and Figure 3−3 show the board layout for the TPS61090EVM-029 PCB. The nodes with high switching frequencies and currents are short and isolated from the noise sensitive feedback circuitry. - Page 15 Figure 3−3. Bottom Layer Routing Board Layout...
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Page 16: Schematic And Bill Of Materials
Chapter 4 Schematic and Bill of Materials This chapter provides the TPS61090EVM-029 schematic and bill of materi- als. Topic Page Schematic ........... . -
Page 17: Schematic
Schematic 4.1 Schematic Figure 4−1. TPS61090EVM-029 Schematic... -
Page 18: Bill Of Materials
Bill of Materials 4.2 Bill of Materials Table 4−1. TPS61090EVM-029 Bill of Materials Reference Designator Count Description Size Manufacturer Mfg Part Number Capacitor, Ceramic, 10µF, 6.3V, X5R, ±10% C1608X5R1A105KT Capacitor, Ceramic, 2.2µF, 10V, X5R, ±20% C1005X7R1H472KT Capacitor, Low ESR Tantalum, 100µF,... - Page 19 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments TPS61090EVM-029...
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