TPS2042BEVM-293

User's Guide SLVU231A – January 2008 – Revised June 2012 Two-Channel, Power-Distribution Switch EVM This user’s guide describes the TPS20xxEVM-293 and TPS20xxEVM-296 evaluation modules (EVM). This guide contains the EVM schematics, bill of materials, assembly drawings, and top and bottom board layouts. 1 2 3 4 5 Contents Introduction .................................................................................................................. 2 Schematics and Bill of Materials .......................................................................................... 2 2.1 EVM Options ........................................................................................................ 2 2.2 Schematics .......................................................................................................... 3 2.3 Bill of Material ...................................................................................................... 5 Board Layout ................................................................................................................ 7 3.1 TPS20xxEVM-293 Board ......................................................................................... 7 3.2 TPS20xxEVM-296 Board ......................................................................................... 8 EVM Setup ................................................................................................................. 10 4.1 Recommended Test Equipment ................................................................................ 10 4.2 Measuring Current Limit ......................................................................................... 10 Related Documentation from Texas Instruments ..................................................................... 11 List of Figures 1 TPS20xxEVM-293 Schematic ............................................................................................. 3 2 TPS20xxEVM-296 Schematic ............................................................................................. 4 3 TPS20xxEVM-293 Component Placement .............................................................................. 7 4 TPS20xxEVM-293 Top-Side Layout ...................................................................................... 7 5 TPS20xxEVM-293 Bottom-Side Layout .................................................................................. 8 6 TPS20xxEVM-296 Component Placement .............................................................................. 8 7 TPS20xxEVM-296 Top-Side Layout ...................................................................................... 9 8 TPS20xxEVM-296 Bottom-Side Layout .................................................................................. 9 9 EVM Setup For Measuring Current Limit ............................................................................... 10 10 TPS2052BEVM-293 Short-Circuit Output Current and OCx Status ............................................... 11 List of Tables 1 TPS20xxEVM-293 Options ................................................................................................ 2 2 TPS20xxEVM-296 Options ................................................................................................ 2 3 TPS20xxEVM-293 Bill of Materials ....................................................................................... 5 4 TPS20xxEVM-296 Bill of Materials ....................................................................................... 6 SLVU231A – January 2008 – Revised June 2012 Submit Documentation Feedback Two-Channel, Power-Distribution Switch EVM Copyright © 2008–2012, Texas Instruments Incorporated 1 Introduction 1 www.ti.com Introduction The TPS20xxEVM-293 and TPS20xxEVM-296 are evaluation modules (EVM) for the Texas Instruments family of two-channel, current-limited, power-distribution switches. These EVMs operate over a 2.7-V to 5.5-V range and provide a continuous output current of up to 1.5 A (see Table 1 and Table 2). Test points provide convenient access to all critical node voltages. The silkscreen outline on the PCB top-side encloses components found in a typical USB application. The TPS20xxEVM-293 accepts an S0-8 packaged power-distribution switch whereas the TPS20xxEVM296 accepts MSOP-8 packaged switch with a thermal pad. These switches have an enable input, an overcurrent status output, and overtemperature shutdown; the switch pinouts are identical. Table 1 and Table 2 summarize the available EVM options. 2 Schematics and Bill of Materials 2.1 EVM Options Table 1. TPS20xxEVM-293 Options Continuous Output Current (A) ENABLE TPS2042BD 0.5 Active Low TPS2046BD 0.25 Active Low TPS2052BEVM-293 TPS2052BD 0.5 Active High TPS2056AEVM-293 TPS2056AD 0.25 Active High Active Low EVM Device TPS2042BEVM-293 TPS2046BEVM-293 TPS2062EVM-293 TPS2062D 1 TPS2062-1EVM-293 TPS2062D-1 1 Active Low TPS2066EVM-293 TPS2066D 1 Active High TPS2066CEVM-293 TPS2066CD 1 Active High Table 2. TPS20xxEVM-296 Options 2 EVM Device Continuous Output Current (A) TPS2042BEVM-296 TPS2042BDGN 0.5 Active Low TPS2052BEVM-296 TPS2052BDGN 0.5 Active High TPS2060EVM-296 TPS2060DGN 1.5 Active Low TPS2062EVM-296 TPS2062DGN 1 Active Low TPS2064EVM-296 TPS2064DGN 1.5 Active High TPS2066EVM-296 TPS2066DGN 1 Active High TPS2066-1EVM-296 TPS2066DGN-1 1 Active High Two-Channel, Power-Distribution Switch EVM ENABLE SLVU231A – January 2008 – Revised June 2012 Submit Documentation Feedback Copyright © 2008–2012, Texas Instruments Incorporated Schematics and Bill of Materials www.ti.com 2.2 Schematics + + See Table 3. Figure 1. TPS20xxEVM-293 Schematic SLVU231A – January 2008 – Revised June 2012 Submit Documentation Feedback Two-Channel, Power-Distribution Switch EVM Copyright © 2008–2012, Texas Instruments Incorporated 3 Schematics and Bill of Materials www.ti.com + + See Table 4. Figure 2. TPS20xxEVM-296 Schematic 4 Two-Channel, Power-Distribution Switch EVM SLVU231A – January 2008 – Revised June 2012 Submit Documentation Feedback Copyright © 2008–2012, Texas Instruments Incorporated Schematics and Bill of Materials www.ti.com 2.3 Bill of Material Table 3. TPS20xxEVM-293 Bill of Materials QTY RefDes Value Description Size Part Number MFR 1 C1 10 μF Capacitor, Ceramic, 10-uF, X7R, 10V, 10% 1206 STD STD 3 C2–C4 0.1 μF Capacitor, Ceramic, 16V, X7R, 10% 0805 STD STD 2 2 C5, C6 150 μF Capacitor, Tantalum, 150 μF, 10V, 100 mΩ, 10% 7343 (D) B45197A2157K409 Kemet 0 0 0 U1 IC, Dual Power-distribution switch, 5.5V, 500-mA SO8 TPS2042BD TI 0 0 0 U1 IC, Dual Power-distribution switch, 5.5V, 250-mA SO8 TPS2046BD TI 0 0 0 0 U1 IC, Dual Power-distribution switch, 5.5V, 500-mA SO8 TPS2052BD TI 0 1 0 0 0 U1 IC, Dual Power-distribution switch, 5.5V, 250-mA SO8 TPS2056AD TI 0 0 0 1 0 0 U1 IC, Dual Power-distribution switch, 5.5V, 1000-mA SO8 TPS2062D TI 0 0 0 0 0 1 0 U1 IC, Dual Power-distribution switch, 5.5V, 1000-mA SO8 TPS2062D-1 TI 0 0 0 0 0 0 1 U1 IC, Dual Power-distribution switch, 5.5V, 1000-mA SO8 TPS2066D TI 1 1 1 1 1 1 1 -- PCB, 2.25 In x 2.225 In × 0.062 In HPA293 Any 4 4 4 4 4 4 4 R1–R4 CRCW0805-1002F Vishay -001 -002 -003 -004 -005 -006 -007 1 1 1 1 1 1 3 3 3 3 3 3 2 2 2 2 2 1 0 0 0 0 1 0 0 0 0 1 0 0 0 10.0K Resistor, Chip, 1/10W, 1% SLVU231A – January 2008 – Revised June 2012 Submit Documentation Feedback 0805 Two-Channel, Power-Distribution Switch EVM Copyright © 2008–2012, Texas Instruments Incorporated 5 Schematics and Bill of Materials www.ti.com Table 4. TPS20xxEVM-296 Bill of Materials QTY 6 RefDes Value Description Size Part Number MFR 1 C1 10 μF Capacitor, Ceramic, 10-μF, X7R, 10V, 10% 1206 STD STD 3 C2–C4 0.1 μF Capacitor, Ceramic, 16V, X7R, 10% 0805 STD STD 2 2 C5, C6 150 μF Capacitor, Tantalum, 150 μF, 10V, 100 mΩ, 10% 7343 (D) B45197A2157K409 Kemet 0 0 U1 IC, Dual Power-distribution switch, 5.5V, 500-mA MSOP-8 TPS2042BDGN TI 0 0 0 U1 IC, Dual Power-distribution switch, 5.5V, 500-mA MSOP-8 TPS2052BDGN TI 0 0 0 0 U1 IC, Dual Power-distribution switch, 5.5V, 1500-mA MSOP-8 TPS2060DGN TI 1 0 0 0 U1 IC, Dual Power-distribution switch, 5.5V, 1000-mA MSOP-8 TPS2062DGN TI 0 0 1 0 0 U1 IC, Dual Power-distribution switch, 5.5V, 1500-mA MSOP-8 TPS2064DGN TI 0 0 0 0 1 0 U1 IC, Dual Power-distribution switch, 5.5V, 1000-mA MSOP-8 TPS2066DGN TI 0 0 0 0 0 1 U1 IC, Dual Power-distribution switch, 5.5V, 1000-mA MSOP-8 TPS2066DGN-1 TI 1 1 1 1 1 1 1 -- PCB, 2.25 In × 2.225 In × 0.062 In 2.25 in × 2.25 in HPA296 Any 4 4 4 4 4 4 4 R1–R4 Resistor, Chip, 1/10W, 1% 0805 CRCW0805-1002F Vishay -001 -002 -003 -004 -005 -006 -007 1 1 1 1 1 1 3 3 3 3 3 3 2 2 2 2 2 1 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 10.0K Two-Channel, Power-Distribution Switch EVM SLVU231A – January 2008 – Revised June 2012 Submit Documentation Feedback Copyright © 2008–2012, Texas Instruments Incorporated Board Layout www.ti.com 3 Board Layout This section contains three views of the TPS20xxEVM-293 and the TPS20xxEVM-296 evaluation boards. 3.1 TPS20xxEVM-293 Board Figure 3. TPS20xxEVM-293 Component Placement Figure 4. TPS20xxEVM-293 Top-Side Layout SLVU231A – January 2008 – Revised June 2012 Submit Documentation Feedback Two-Channel, Power-Distribution Switch EVM Copyright © 2008–2012, Texas Instruments Incorporated 7 Board Layout www.ti.com Figure 5. TPS20xxEVM-293 Bottom-Side Layout 3.2 TPS20xxEVM-296 Board Figure 6. TPS20xxEVM-296 Component Placement 8 Two-Channel, Power-Distribution Switch EVM SLVU231A – January 2008 – Revised June 2012 Submit Documentation Feedback Copyright © 2008–2012, Texas Instruments Incorporated Board Layout www.ti.com Figure 7. TPS20xxEVM-296 Top-Side Layout Figure 8. TPS20xxEVM-296 Bottom-Side Layout SLVU231A – January 2008 – Revised June 2012 Submit Documentation Feedback Two-Channel, Power-Distribution Switch EVM Copyright © 2008–2012, Texas Instruments Incorporated 9 EVM Setup www.ti.com 4 EVM Setup 4.1 Recommended Test Equipment The following test equipment is recommended: • Two-channel storage oscilloscope • Current probe • Voltage probe • An adjustable power supply with a 2.7-V to 5.5-V output and a 5-A output current-limit • Volt-ohm meter • A passive or active load capable of handling 5-A 4.2 Measuring Current Limit The user should read the applicable data sheet before using the EVM. Figure 9 shows the EVM test set up for measuring current limit. A single switch is enabled into a short circuit for this measurement. Figure 10 shows the current waveform for the TPS2052BEVM-293. Oscilloscope Voltage Probe Current Probe OCx# + IN - 5V, 5A J1 J4 + OUT1 - 0-Ohm J5 + OUT2 - 0-Ohm EVM 7" Twisted Pair, #20AWG Figure 9. EVM Setup For Measuring Current Limit 10 Two-Channel, Power-Distribution Switch EVM SLVU231A – January 2008 – Revised June 2012 Submit Documentation Feedback Copyright © 2008–2012, Texas Instruments Incorporated Related Documentation from Texas Instruments www.ti.com ILIMIT Figure 10. TPS2052BEVM-293 Short-Circuit Output Current and OCx Status 5 Related Documentation from Texas Instruments • • • • • • TPS2041B, TPS2042B, TPS2043B, TPS2044B, TPS2051B, TPS2052B, TPS2053B, TPS2054B, Current-Limited, Power-Distribution Switches data sheet (SLVS514) TPS2045B, TPS2055B, TPS2046B, TPS2047B, Current-Limited, Power-Distribution Switches data sheet (SLVS532) TPS2045A, TPS2046A, TPS2047A, TPS2048A, TPS2055A, TPS2056A, TPS2057A. TPS2058A, Current-Limited, Power-Distribution Switches data sheet (SLVS251) TPS2061, TPS2062, TPS2063, TPS2065, TPS2066, TPS2067,Current-Limited, Power-Distribution Switches data sheet (SLVS490) TPS2062-1, TPS2065-1, TPS2066-1, Current-Limited, Power-Distribution Switches data sheet (SLVS714) TPS2060, TPS2064, TPS2068, TPS2069, Current-Limited, Power-Distribution Switches data sheet (SLVS553) SLVU231A – January 2008 – Revised June 2012 Submit Documentation Feedback Two-Channel, Power-Distribution Switch EVM Copyright © 2008–2012, Texas Instruments Incorporated 11 EVALUATION BOARD/KIT/MODULE (EVM) ADDITIONAL TERMS Texas Instruments (TI) provides the enclosed Evaluation Board/Kit/Module (EVM) under the following conditions: 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. 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FCC Interference Statement for Class A EVM devices This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. FCC Interference Statement for Class B EVM devices This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. 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Le présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le manuel d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne non inclus dans cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur. SPACER SPACER SPACER SPACER SPACER SPACER SPACER SPACER 【Important Notice for Users of this Product in Japan】 】 This development kit is NOT certified as Confirming to Technical Regulations of Radio Law of Japan If you use this product in Japan, you are required by Radio Law of Japan to follow the instructions below with respect to this product: 1. 2. 3. 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It is intended solely for use for preliminary feasibility evaluation in laboratory/development environments by technically qualified electronics experts who are familiar with the dangers and application risks associated with handling electrical mechanical components, systems and subsystems. It should not be used as all or part of a finished end product. Your Sole Responsibility and Risk. You acknowledge, represent and agree that: 1. 2. 3. 4. You have unique knowledge concerning Federal, State and local regulatory requirements (including but not limited to Food and Drug Administration regulations, if applicable) which relate to your products and which relate to your use (and/or that of your employees, affiliates, contractors or designees) of the EVM for evaluation, testing and other purposes. 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It is important to operate this EVM within TI’s recommended specifications and environmental considerations per the user guidelines. Exceeding the specified EVM ratings (including but not limited to input and output voltage, current, power, and environmental ranges) may cause property damage, personal injury or death. If there are questions concerning these ratings please contact a TI field representative prior to connecting interface electronics including input power and intended loads. Any loads applied outside of the specified output range may result in unintended and/or inaccurate operation and/or possible permanent damage to the EVM and/or interface electronics. 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 60°C as long as the input and output are maintained at a normal ambient operating temperature. These components include but are not limited to linear regulators, switching transistors, pass transistors, and current sense resistors which can be identified using the EVM schematic located in the EVM User's Guide. When placing measurement probes near these devices during normal operation, please be aware that these devices may be very warm to the touch. As with all electronic evaluation tools, only qualified personnel knowledgeable in electronic measurement and diagnostics normally found in development environments should use these EVMs. Agreement to Defend, Indemnify and Hold Harmless. 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