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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.
As a prototype, this product does not fall within the scope of the European Union directive on electromagnetic
compatibility and therefore may not meet the technical requirements of the directive.

Should this evaluation kit not meet the specifications indicated in the EVM User’s Guide, the kit may be returned
within 30 days from the date of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE
WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED,
IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY
PARTICULAR PURPOSE.

The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user
indemnifies TI from all claims arising from the 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 responsibility to take any and all appropriate precautions with regard to electrostatic
discharge.

EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE LIABLE
TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.

TI currently deals with a variety of customers for products, and therefore our arrangement with the user is not
exclusive
.

TI assumes no liability for applications assistance, customer product design, software performance, or
infringement of patents or services described herein
.

Please read the EVM User’s Guide and, specifically, the EVM Warnings and Restrictions notice in the EVM
User’s Guide prior to handling the product. This notice contains important safety information about temperatures
and voltages. For further safety concerns, please contact the TI application engineer.

Persons handling the product must have electronics training and observe good laboratory practice standards.

No license is granted under any patent right or other intellectual property right of TI covering or relating to any
machine, process, or combination in which such TI products or services might be or are used.

Mailing Address:

Texas Instruments
Post Office Box 655303
Dallas, Texas 75265

Copyright 

 2003, Texas Instruments Incorporated

Summary of Contents for TPS61020EVM

Page 1: ...November 2003 Power Management Products User s Guide SLVU100...

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: ...If there 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 d...

Page 5: ...Chapter 3 Schematic BOM and PCB layout Related Documentation From Texas Instruments TPS61020 data sheet SLVS451 FCC Warning This equipment is intended for use in a laboratory test environment only It...

Page 6: ...iv...

Page 7: ...TPS61020EVM 2 3 3 Schematic BOM and PCB Layout 3 1 3 1 HPA025 EVM Schemataic 3 2 3 2 Bill of Materials 3 2 3 3 PCB Layout of the TPS61020EVM 3 3 2 1 Maximum Output Current vs Input Voltage 2 2 2 2 Ef...

Page 8: ...Contents vi...

Page 9: ...erent device modes as well as the device performance The TPS61020EVM is set to 3 3 V The TPS61020EVM can be easily set up to provide any output voltage between 1 8 V and 5 5 V by adjusting the externa...

Page 10: ...EVM Ordering Information 1 2 1 1 EVM Ordering Information Table 1 1 EVM Ordering Information EVM Number Description TPS61020EVM 025 Adjustable output voltage version set to 3 3 V...

Page 11: ...oltage and input voltage measurements it is important to measure the voltage on the input and output voltage terminals with a voltmeter connected directly to the input voltage or output voltage termin...

Page 12: ...cting the EN pin to DISABLE disables the device 2 3 Mode Selection Jumper PS This jumper is used to choose between PWM and PWR SAV modes of operation Setting the jumper across PWM forces the device in...

Page 13: ...for 3 3 VOUT IL Load Current mA 50 55 60 65 70 75 80 85 90 95 100 10 100 200 300 400 500 600 700 800 900 Efficiency 2 4 VI 1 8 VI 0 9 VI Physically smaller inductors can be used to save board space o...

Page 14: ...2 4...

Page 15: ...Layout This chapter includes the schematic shown in Figure 3 1 bill of materials table and layout for the EVM Topic Page 3 1 HPA025 EVM Schematic 3 2 3 2 Bill of Materials 3 2 3 3 PCB Layout of the T...

Page 16: ...HPA025 Bill of Materials Count Ref Des Description Size MFR Part Number 1 C1 Capacitor ceramic 10 F 10 V X5R 10 805 Murata GRM21BR61A106KE19L 1 C2 Capacitor ceramic 2 2 F 16 V X5R 10 805 TDK C2012X5R...

Page 17: ...t of the TPS61020EVM 3 3 Schematic BOM and PCB Layout 3 3 PCB Layout of the TPS61020EVM The figures below show the layout for the EVM Figure 3 2 Component Placement Figure 3 3 Top Layer Figure 3 4 Bot...

Page 18: ...3 4...

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