Texas Instruments TPS211 AEVM Series User Manual Download | Manualshive

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Electrostatic Sensitive Devices

This EVM contains components that can potentially be damaged by
electrostatic discharge. Always transport and store the EVM in its
supplied ESD bag when not in use. Handle using an antistatic
wristband. Operate on an antistatic work surface. For more
information on proper handling, refer to SSYA008.

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Summary of Contents for TPS211 AEVM Series

Page 1: ... April 2004 User s Guide SBVU007 ...

Page 2: ...tute 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 property of the third party or a license from TI under the patents or other intellectual property of TI Reproduction of information in TI data books or data sheets is permissible only if reproduction is...

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 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 A...

Page 4: ...utput 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 designed to operate properly with certain components above 60 C as long as the input and output ranges are maintained These components include but are not limited to linear regulators switching tr...

Page 5: ...Chapter 1 Introduction Chapter 2 EVM Setup Chapter 3 Schematic and Bill of Materials Chapter 4 Board Layout The information in a caution or a warning is provided for your protection Please read each caution and warning carefully Related Documentation From Texas Instruments Data Sheet Literature Number TPS2110 1A Autoswitching Power Mux SBVS043 TPS2112 3A Autoswitching Power Mux SBVS045 TPS2114 5A ...

Page 6: ...nents that can potentially be damaged by electrostatic discharge Always transport and store the EVM in its supplied ESD bag when not in use Handle using an antistatic wristband Operate on an antistatic work surface For more information on proper handling refer to SSYA008 ...

Page 7: ... 2 3 2 Configuring the TPS2114 5A for Manual Switching 2 3 2 4 Automatic Switching Modes 2 3 2 4 1 Mode 1 Automatic Switching 2 3 2 4 2 Mode 2 Automatic Switching TPS2110 1 2 3A Only 2 4 2 5 Output Voltage Holdup 2 4 2 6 Switch Status TPS2112 3 4 5A Only 2 4 3 Schematic and Bill of Materials 3 1 3 1 EVM Configurations 3 2 3 2 Schematic 3 2 3 3 Bill of Materials 3 3 4 Board Layout 4 1 4 1 Layout Co...

Page 8: ...onent Placement 4 2 4 2 Top Side Layout 4 2 4 3 Bottom Side Layout 4 2 2 1 EVM Shorting Jumper Placement for Mode 1 Automatic Switching 2 3 2 2 EVM Shorting Jumper Placement for Mode 2 Automatic Switching 2 4 3 1 Available EVM Configurations 3 2 3 2 HPA061 Bill of Materials 3 3 ...

Page 9: ...urations are available for the TPS2110A through TPS2115A Refer to Table 3 1 the schematic and the bill of materials in this user s guide to distinguish between these configurations The EVM has test points for convenient access to all critical node voltages potentiometers for adjusting the current limit and the auto switching voltage sense thresholds headers for selecting the manual auto switching ...

Page 10: ...1 2 ...

Page 11: ...EVM for use in device evaluations Topic Page 2 1 Setting Up the EVM 2 2 2 2 Current Limit Adjustment 2 2 2 3 Manual Switching Mode TPS2110 1 4 5A Only 2 2 2 4 Automatic Switching Modes 2 3 2 5 Output Voltage Holdup 2 4 2 6 Switch Status TPS2112 3 4 5A Only 2 4 Chapter 2 ...

Page 12: ...t Limit Adjustment Potentiometer R4 controls the resistance RILIM that sets the TPS211xA current limit threshold Adjusting R4 clockwise increases the current limit threshold by decreasing RILIM The current limit threshold is 250 RILIM for the TPS2110A TPS2112A and TPS2114A and 500 RILIM for the TPS2111A TPS2113A and TPS2115A To measure the resistance RILIM connect an ohmmeter between test points T...

Page 13: ...A for Manual Switching To place the device into manual switching mode short header J2 The logic level on the D1 pin determines which input is selected On the EVM header J3 controls the D1 pin If J3 is left open then D1 is internally pulled high and IN1 is selected If J3 is shorted then D1 is pulled low and IN2 is selected 2 4 Automatic Switching Modes All EVMs support Mode 1 automatic switching Mo...

Page 14: ...61 002 TPS2111A X X HPA061 003 TPS2112A X X HPA061 004 TPS2113A X X A manufacturer can provide a secondary battery pack option to extend the product run time with Mode 2 automatic switching The TPS2110A TPS2113A drains the primary battery at IN1 and automatically switches to the secondary battery at IN2 2 5 Output Voltage Holdup Headers J5 J8 select the output holdup capacitance The output voltage...

Page 15: ...3 1 Schematic and Bill of Materials This chapter provides the TPS211xAEVM schematic and bill of materials Topic Page 3 1 EVM Configurations 3 2 3 2 Schematic 3 2 3 3 Bill of Materials 3 3 Chapter 3 ...

Page 16: ...0 63 A 1 25 A No Yes Yes HPA061 003 TPS2112A 0 31 A 0 75 A Yes Yes No HPA061 004 TPS2113A 0 63 A 1 25 A Yes Yes No HPA061 005 TPS2114A 0 31 A 0 75 A Yes Yes Yes HPA061 006 TPS2115A 0 63 A 1 25 A Yes Yes Yes 3 2 Schematic Figure 3 1 TPS211xAEVM Schematic U1 R1 R2 R3 R5 Current Limit TPS2110A 10KΩ 887 332 0 31 A 0 75 A TPS2111A 10KΩ 681 392 0 63 A 1 25 A TPS2112A 10KΩ 10KΩ 887 332 0 31 A 0 75 A TPS2...

Page 17: ...6ENF6810 805 R5 0 1 0 1 0 1 Resistor 392 Ω 1 0 1 W Panasonic ERJ 6ENF3920 805 1 0 1 0 1 0 Resistor 332 Ω 1 0 1 W Panasonic ERJ 6ENF3320 805 R1 0 0 1 1 1 1 Resistor 10 KΩ 1 0 1 W Panasonic ERJ 6ENF1002 805 R4 1 1 1 1 1 1 Resistor Pot 1 KΩ 10 0 25 W 12 turn Bourns 3266W 1 102 N A R2 1 1 1 1 0 0 Resistor Pot 10 KΩ 10 0 25 W 12 turn Bourns 3266W 1 103 N A C1 C2 2 2 2 2 2 2 Capacitor 0 1 µF 10 50 V X7R...

Page 18: ... Part MFG Description Quantity Ref Des Size MFG Part MFG Description 006 005 004 003 002 001 Ref Des REF 1 1 1 1 1 1 PCB SLVP227A American PCB N A REF 4 4 4 4 4 4 Bumper rubber PSA black SPC Technology SPC2568 N A REF 5 5 5 5 5 5 Shorting jumper 10 µ inch gold 3M 929955 06 N A ...

Page 19: ...4 1 Board Layout This chapter describes the TPS211xAEVM board layout and presents some component placement considerations Topic Page 4 1 Layout Considerations 4 2 Chapter 4 ...

Page 20: ...an carry up to 1 A so traces to these pins should be of suitable length and width to minimize the voltage drop to the load Locate the 0 1 µF bypass capacitors close to the IN1 IN2 and GND pins of the TPS211xA Figure 4 1 Component Placement Figure 4 2 Top Side Layout Figure 4 3 Bottom Side Layout ...

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