TPS20xxEVM-290/292 Guide Datasheet by Texas Instruments

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User's GuideSLVU226B – October 2007 – Revised December 2007
Single-Channel, Power-Distribution Switch EVM
This user’s guide describes the TPS20xxEVM-290 and TPS20xxEVM-292 evaluation modules (EVM).This guide contains the EVM schematics, bill of materials, assembly drawings, and top and bottom boardlayouts.
Contents
1 Introduction ................................................................................................................... 2
2 Schematics and Bill of Materials ........................................................................................... 2
2.1 EVM Options ........................................................................................................ 2
2.2 Schematics .......................................................................................................... 3
2.3 Bill of Material ....................................................................................................... 5
3 Board Layout ................................................................................................................. 7
3.1 TPS20xxEVM-290 Board .......................................................................................... 7
3.2 TPS20xxEVM-292 Board .......................................................................................... 9
3.3 Layout Considerations ............................................................................................ 10
4 EVM Setup .................................................................................................................. 10
4.1 Recommended Test Equipment ................................................................................ 10
4.2 Measuring Current Limit .......................................................................................... 10
5 Related Documentation from Texas Instruments ...................................................................... 11
List of Figures
1 TPS20xxEVM-290 Schematic .............................................................................................. 3
2 TPS20xxEVM-292 Schematic .............................................................................................. 4
3 TPS20xxEVM-290 Component Placement ............................................................................... 7
4 TPS20xxEVM-290 Top-Side Layout ...................................................................................... 8
5 TPS20xxEVM-290 Bottom-Side Layout................................................................................... 8
6 TPS20xxEVM-292 Component Placement ............................................................................... 9
7 TPS20xxEVM-292 Top-Side Layout ...................................................................................... 9
8 TPS20xxEVM-292 Bottom-Side Layout ................................................................................. 10
9 EVM Setup For Measuring Current Limit ............................................................................... 11
10 TPS2051BEVM-290 Short-Circuit Output Current and OC Status .................................................. 11
List of Tables
1 TPS20xxEVM-290 Options ................................................................................................. 2
2 TPS20xxEVM-292 Options ................................................................................................. 2
3 TPS20xxEVM-290 Bill of Materials ........................................................................................ 5
4 TPS20xxEVM-292 Bill of Materials ........................................................................................ 7
SLVU226B – October 2007 – Revised December 2007 Single-Channel, Power-Distribution Switch EVM 1
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1 Introduction
2 Schematics and Bill of Materials
2.1 EVM Options
Introduction
The TPS20xxEVM-290 and TPS20xxEVM-292 are evaluation modules (EVM) for the Texas Instrumentsfamily of single-channel, current-limited, power distribution switches. These EVMs operate over a 2.7-V to5.5-V range and provide a continuous output current of up to 2 A (see Table 1 ). Test points provideconvenient access to all critical node voltages.
The TPS20xxEVM-290 accepts an S0-8 packaged power-distribution switch whereas theTPS20xxEVM-292 accepts MSOP-8 packaged switch with a thermal pad. These switches have an enableinput, an overcurrent status output, and overtemperature shutdown; the switch pinouts are identical.
Table 1 and Table 2 summarize the available EVM options.
Table 1. TPS20xxEVM-290 Options
ContinuousEVM Device Output Current ENABLE(A)
TPS2020EVM-290 TPS2020D 0.2 Active Low
TPS2021EVM-290 TPS2021D 0.6 Active Low
TPS2022EVM-290 TPS2022D 1 Active Low
TPS2023EVM-290 TPS2023D 1.5 Active Low
TPS2024EVM-290 TPS2024D 2 Active Low
TPS2030EVM-290 TPS2030D 0.2 Active High
TPS2031EVM-290 TPS2031D 0.6 Active High
TPS2032EVM-290 TPS2032D 1 Active High
TPS2033EVM-290 TPS2033D 1.5 Active High
TPS2034EVM-290 TPS2034D 2 Active High
TPS2041BEVM-290 TPS2041BD 0.5 Active Low
TPS2045AEVM-290 TPS2045AD 0.25 Active Low
TPS2049EVM-290 TPS2049D 0.1 Active Low
TPS2051BEVM-290 TPS2051BD 0.5 Active High
TPS2055AEVM-290 TPS2055AD 0.25 Active High
TPS2061EVM-290 TPS2061D 1 Active Low
TPS2065EVM-290 TPS2065D 1 Active High
Table 2. TPS20xxEVM-292 Options
ContinuousEVM Device Output Current ENABLE(A)
TPS2041BEVM-292 TPS2041BDGN 0.5 Active Low
TPS2051BEVM-292 TPS2051BDGN 0.5 Active High
TPS2061EVM-292 TPS2061DGN 1 Active Low
TPS2065EVM-292 TPS2065DGN 1 Active High
TPS2065-1EVM-292 TPS2065DGN-1 1 Active High
TPS2068EVM-292 TPS2068DGN 1.5 Active Low
TPS2069EVM-292 TPS2069DGN 1.5 Active High
Single-Channel, Power-Distribution Switch EVM2 SLVU226B – October 2007 – Revised December 2007
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2.2 Schematics
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Schematics and Bill of Materials
Figure 1. TPS20xxEVM-290 Schematic
SLVU226B – October 2007 – Revised December 2007 Single-Channel, Power-Distribution Switch EVM 3
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Schematics and Bill of Materials
Figure 2. TPS20xxEVM-292 Schematic
Single-Channel, Power-Distribution Switch EVM4 SLVU226B – October 2007 – Revised December 2007
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2.3 Bill of Material
Schematics and Bill of Materials
Table 3. TPS20xxEVM-290 Bill of Materials
QTY
-001 -002 -003 -004 -005 -006 -007 -008 -009 -010 -011 -012 -013 -014 -015 -016 -017 Ref Value Description Size Part No. MFRDes
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 C1 10uF Capacitor, Ceramic, 1206 STD STD10- µF, X7R, 10V, 10%
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 C2, C3 0.1uF Capacitor, Ceramic, 0805 STD STD16V, X7R, 10%
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 C4 150uF Capacitor, Tantalum, 7343 (D) B45197A2157K4 Kemet150 µF, 10V, 09100milliohm, 10%
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 U1 TPS2020D IC, Current-Limited SO8 TPS2020D TIPower Distribution
Switch, 5.5V, 200mA
0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 U1 TPS2021D IC, Current-Limited SO8 TPS2021D TIPower Distribution
Switch, 5.5V, 600mA
0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 U1 TPS2022D IC, Current-Limited SO8 TPS2022D TIPower Distribution
Switch, 5.5V, 1000mA
0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 U1 TPS2023D IC, Current-Limited SO8 TPS2023D TIPower Distribution
Switch, 5.5V, 1500mA
0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 U1 TPS2024D IC, Current-Limited SO8 TPS2024D TIPower Distribution
Switch, 5.5V, 2000mA
0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 U1 TPS2030D IC, Current-Limited SO8 TPS2030D TIPower Distribution
Switch, 5.5V, 200mA
0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 U1 TPS2031D IC, Current-Limited SO8 TPS2031D TIPower Distribution
Switch, 5.5V, 600mA
0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 U1 TPS2032D IC, Current-Limited SO8 TPS2032D TIPower Distribution
Switch, 5.5V, 1000mA
0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 U1 TPS2033D IC, Current-Limited SO8 TPS2033D TIPower Distribution
Switch, 5.5V, 1500mA
0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 U1 TPS2034D IC, Current-Limited SO8 TPS2034D TIPower Distribution
Switch, 5.5V, 2000mA
0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 U1 TPS2041BD IC, Current-Limited SO8 TPS2041BD TIPower Distribution
Switch, 5.5V, 500mA
0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 U1 TPS2045AD IC, Current-Limited SO8 TPS2045AD TIPower Distribution
Switch, 5.5V, 250mA
0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 U1 TPS2049D IC, Current-Limited SO8 TPS2049D TIPower Distribution
Switch, 5.5V, 100mA
SLVU226B – October 2007 – Revised December 2007 Single-Channel, Power-Distribution Switch EVM 5
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Schematics and Bill of Materials
Table 3. TPS20xxEVM-290 Bill of Materials (continued)
QTY
-001 -002 -003 -004 -005 -006 -007 -008 -009 -010 -011 -012 -013 -014 -015 -016 -017 Ref Value Description Size Part No. MFRDes
0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 U1 TPS2051BD IC, Current-Limited SO8 TPS2051BD TIPower Distribution
Switch, 5.5V, 500mA
0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 U1 TPS2055AD IC, Current-Limited SO8 TPS2055AD TIPower Distribution
Switch, 5.5V, 250mA
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 U1 TPS2061D IC, Current-Limited SO8 TPS2061D TIPower Distribution
Switch, 5.5V, 1500mA
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 U1 TPS2065D IC, Current-Limited SO8 TPS2065D TIPower Distribution
Switch, 5.5V, 1500mA
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 -- HPA290 PCB, 3 In x 3 In x 0.062 2.25 inch x HPA290 AnyIn 2.225 inch
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 R1, R2 10.0K Resistor, Chip, 1/10W, 0805 CRCW0805- Vishay1% 1002F
Single-Channel, Power-Distribution Switch EVM6 SLVU226B – October 2007 – Revised December 2007
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3 Board Layout
3.1 TPS20xxEVM-290 Board
Board Layout
Table 4. TPS20xxEVM-292 Bill of Materials
QTY
-001 -002 -003 -004 -005 -006 -007 RefDes Value Description Size Part Number MFR
1 1 1 1 1 1 1 C1 10uF Capacitor, ceramic, 10- µF, X7R, 10V, 10% 1206 STD STD
2 2 2 2 2 2 2 C2, C3 0.1uF Capacitor, Ceramic, 16V, X7R, 10% 0805 STD STD
1 1 1 1 1 1 1 C4 150uF Capacitor, Tantalum, 150 µF, 10V, 100m , 10% 7343 (D) B45197A2157K40 Kemet9
1 0 0 0 0 0 0 U1 TPS2041BDGN IC, Current-Limited Power Distribution Switch, MSOP-8 TPS2041BDGN TI5.5V, 500mA
0 1 0 0 0 0 0 U1 TPS2051BDGN IC, Current-Limited Power Distribution Switch, MSOP-8 TPS2051BDGN TI5.5V, 500mA
0 0 1 0 0 0 0 U1 TPS2061DGN IC, Current-Limited Power Distribution Switch, MSOP-8 TPS2061DGN TI5.5V, 1000mA
0 0 0 1 0 0 0 U1 TPS2065DGN IC, Current-Limited Power Distribution Switch, MSOP-8 TPS2065DGN TI5.5V, 1000mA
0 0 0 0 1 0 0 U1 TPS2065DGN-1 IC, Current-Limited Power Distribution Switch, MSOP-8 TPS2065DGN-1 TI5.5V, 1000mA
0 0 0 0 0 1 0 U1 TPS2068DGN IC, Current-Limited Power Distribution Switch, MSOP-8 TPS2068DGN TI5.5V, 1500mA
0 0 0 0 0 0 1 U1 TPS2069DGN IC, Current-Limited Power Distribution Switch, MSOP-8 TPS2069DGN TI5.5V, 1500mA
1 1 1 1 1 1 1 -- HPA292 PCB, 3 In x 3 In x 0.062 In 2.25" x 2.225" HPA292 Any
2 2 2 2 2 2 2 R1, R2 10.0K Resistor, Chip, 1/10W, 1% 0805 CRCW0805- Vishay1002F
This section contains three views of the TPS20xxEVM-290 and the TPS20xxEVM-292 evaluation boardsas well as some layout considerations.
Figure 3. TPS20xxEVM-290 Component Placement
SLVU226B – October 2007 – Revised December 2007 Single-Channel, Power-Distribution Switch EVM 7
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Board Layout
Figure 4. TPS20xxEVM-290 Top-Side Layout
Figure 5. TPS20xxEVM-290 Bottom-Side Layout
Single-Channel, Power-Distribution Switch EVM8 SLVU226B – October 2007 – Revised December 2007
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3.2 TPS20xxEVM-292 Board
Board Layout
Figure 6. TPS20xxEVM-292 Component Placement
Figure 7. TPS20xxEVM-292 Top-Side Layout
SLVU226B – October 2007 – Revised December 2007 Single-Channel, Power-Distribution Switch EVM 9
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3.3 Layout Considerations
4 EVM Setup
4.1 Recommended Test Equipment
4.2 Measuring Current Limit
EVM Setup
Figure 8. TPS20xxEVM-292 Bottom-Side Layout
The IN and OUT pins of U1 can carry significant current; so, traces to these pins should be of suitablelength and width to minimize the voltage drop to the load. Locate the 0.1- µF bypass capacitors close tothe IN and OUT pins of U1.
The following test equipment is recommended:
Two-channel storage oscilloscope
Current probe
Voltage probe
5 V at 5-A power supply
Volt-ohm meter
A passive or active load
The user should read the applicable data sheet before using the EVM.
Figure 9 shows the EVM test set up for measuring current limit. The power distribution switch is enabledinto a short circuit for this measurement. Figure 10 shows the current waveform for TPS2051BEVM-290.
10 Single-Channel, Power-Distribution Switch EVM SLVU226B – October 2007 – Revised December 2007
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5 Related Documentation from Texas Instruments
Related Documentation from Texas Instruments
Figure 9. EVM Setup For Measuring Current Limit
Figure 10. TPS2051BEVM-290 Short-Circuit Output Current and OC Status
TPS2020, TPS2021, TPS2022, TPS2023, TPS2024, Power-Distribution Switches data sheet(SLVS175 )
TPS2030, TPS2031, TPS2032, TPS2033, TPS2034 , Power-Distribution Switches data sheet(SLVS190 )
TPS2041B, TPS2042B, TPS2043B, TPS2044B, TPS2051B, TPS2052B, TPS2053B, TPS2054B,Current-Limited, Power-Distribution Switches data sheet (SLVS514 )
TPS2045A, TPS2046A, TPS2047A, TPS2056A, TPS2057A. TPS2058A, Current-Limited,Power-Distribution Switches data sheet (SLVS251 )
TPS2049, Single-Channel 100 mA Power Switch data sheet (SLVS713 )
SLVU226B – October 2007 – Revised December 2007 Single-Channel, Power-Distribution Switch EVM 11
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Related Documentation from Texas Instruments
TPS2061, TPS2062, TPS2063, TPS2065, TPS2066, TPS2067,Current-Limited, Power-DistributionSwitches data sheet (SLVS490 )
TPS2061-1, TPS2065-1, TPS2066-1, Current-Limited, Power-Distribution Switches data sheet(SLVS714 )
TPS2060, TPS2064, TPS2068, TPS2069, Current-Limited, Power-Distribution Switches data sheet(SLVS553 )
12 Single-Channel, Power-Distribution Switch EVM SLVU226B – October 2007 – Revised December 2007
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EVALUATION BOARD/KIT IMPORTANT NOTICE
Texas Instruments (TI) provides the enclosed product(s) under the following conditions:
This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSESONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the product(s) must haveelectronics training and observe good engineering practice standards. As such, the goods being provided are not intended to be completein terms of required design-, marketing-, and/or manufacturing-related protective considerations, including product safety and environmentalmeasures typically found in end products that incorporate such semiconductor components or circuit boards. This evaluation board/kit doesnot fall within the scope of the European Union directives regarding electromagnetic compatibility, restricted substances (RoHS), recycling(WEEE), FCC, CE or UL, and therefore may not meet the technical requirements of these directives or other related directives.
Should this evaluation board/kit not meet the specifications indicated in the User’s Guide, the board/kit may be returned within 30 days fromthe date of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYERAND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OFMERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE.
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EVM WARNINGS AND RESTRICTIONS
It is important to operate this EVM within the input voltage range of 2.7 V to 5.5 V and the output voltage range of 2.7 V to 5.5 V.
Exceeding the specified input range may cause unexpected operation and/or irreversible damage to the EVM. If there are questionsconcerning the input range, please contact a TI field representative prior to connecting the input power.
Applying loads outside of the specified output range may result in unintended operation and/or possible permanent damage to the EVM.Please consult the EVM User's Guide prior to connecting any load to the EVM output. 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 85 °C. The EVM is designed to operateproperly with certain components above 85 °C as long as the input and output ranges are maintained. These components include but arenot limited to linear regulators, switching transistors, pass transistors, and current sense resistors. These types of devices can be identifiedusing the 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.
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