Texas Instruments TPS61090EVM-029 User Manual Download Page 1 | Manualshive

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October 2003

User’s Guide

SBVU003

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Summary of Contents for TPS61090EVM-029

Page 1: ...October 2003 User s Guide SBVU003...

Page 2: ...itute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual p...

Page 3: ...handling or use of the goods Please be aware that the products received may not be regulatory compliant or agency certified FCC UL CE etc Due to the open construction of the product it is the user s r...

Page 4: ...here is uncertainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 60 C The EVM is design...

Page 5: ...ers Chapter 1 Introduction Chapter 2 Setup Chapter 3 Board Layout Chapter 4 Schematic and Bill of Materials Related Documentation From Texas Instruments The following document provides information reg...

Page 6: ...ent is intended for use in a laboratory test environment only It generates uses and can readiate radio frequency energy and has not been tested for compliance with the limits of computing devices purs...

Page 7: ...m Texas Instruments iii If You Need Assistance iv FCC Warning iv Contents v Figures vi Tables vi Introduction 1 1 Setup 2 1 2 1 Input Output Connector Descriptions 2 2 2 2 Setup 2 2 2 3 Operation 2 3...

Page 8: ...the TPS61090EVM 2 3 Figure 2 Maximum Output Current vs VBAT 2 3 Figure 3 Assembly Layer 3 2 Figure 4 Top Layer Routing 3 2 Figure 5 Bottom Layer Routing 3 3 Figure 6 TPS61090EVM 029 Schematic 4 2 Tab...

Page 9: ...attery input The default output voltage of this EVM is 5 0V If desired this EVM can easily be modified to supply higher or lower output voltages by adjusting the appropriate feedback resistor dividers...

Page 10: ...ter describes the jumpers and connectors on the EVM as well as how to properly configure set up and use the TPS61090EM 029 Topic Page 2 1 Input Output Connector Descriptions 2 2 2 2 Setup 2 2 2 3 Oper...

Page 11: ...in is an open drain output configured with a 1M pull up resistor 2 1 6 J6 GND This is the ground connection for the LBO pin 2 1 7 JP1 SYNC This jumper enables or disables the power save mode at light...

Page 12: ...smaller than the inductor used in characterization curves in the data sheet Generally smaller size inductors decrease the efficiency in the design Figure 2 1 shows the efficiency vs IOUT curve for th...

Page 13: ...3 1 Board Layout This chapter provides the TPS61090EVM 029 board layout and illustrations Topic Page 3 1 Layout 3 2 Chapter 3...

Page 14: ...the TPS61090EVM 029 PCB The nodes with high switching frequencies and currents are short and isolated from the noise sensitive feedback circuitry Careful attention has been given to the routing of hi...

Page 15: ...3 3 Board Layout Figure 3 3 Bottom Layer Routing...

Page 16: ...4 1 Schematic and Bill of Materials This chapter provides the TPS61090EVM 029 schematic and bill of materi als Topic Page 4 1 Schematic 4 2 4 2 Bill of Materials 4 3 Chapter 4...

Page 17: ...Schematic 4 2 4 1 Schematic Figure 4 1 TPS61090EVM 029 Schematic...

Page 18: ...V 7343 D Vishay 595D107X0016C2T 6 J1 J6 Header 2 pin 100 mil spacing 36 pin strip 0 100 x 2 Sullins PTC36SAAN 2 JP1 JP2 Header 3 pin 100 mil spacing 36 pin strip 0 100 x 3 Sullins PTC36SAAN 1 L1 Induc...

Page 19: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TPS61090EVM 029...

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