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Texas Instruments

TPS62065-67EVM-347

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Summary of Contents for TPS62065EVM

Page 1: ...ings and Layout 12 8 Bill of Materials 18 List of Figures 1 TPS62065EVM Schematic 3 2 TPS62067EVM Schematic 3 3 Hardware Board Connection 6 4 TPS62065 TPS62067 Efficiency vs Load Current 8 5 TPS62065 Startup into 2 2 Ω Load 8 6 TPS62067 Startup into 2 2 Ω Load 9 7 TPS62067 Shutdown No Load 9 8 TPS62065 Output Voltage Ripple PFM Mode 10 9 TPS62065 Output Voltage Ripple PWM Mode 10 10 TPS62065 Gain ...

Page 2: ...rtable media players DSP supply 2 Electrical Performance Specifications Table 1 summarizes the TPS62065 67EVM performance specifications Table 1 TPS62065 67EVM Performance Characteristics Notes and Parameter Symbol Conditions Min Typ Max Units Input Characteristics Input Voltage VIN 2 9 3 6 6 0 V Falling 1 73 1 78 1 83 V Input Undervoltage Lockout VIN_UVLO UVLO Rising 1 9 1 95 1 99 V Output Charac...

Page 3: ...2067EVM schematic Figure 1 TPS62065EVM Schematic Figure 2 TPS62067EVM Schematic NOTE These diagrams are provided for reference only See Table 2 the Bill of Materials for specific component values 3 SLVU364A March 2010 Revised November 2015 TPS62065 67EVM Submit Documentation Feedback Copyright 2010 2015 Texas Instruments Incorporated ...

Page 4: ...he output of the converter Connect a voltmeter or the sense connection of an electronic load or oscilloscope to this header 4 1 6 J15 GND J15 is the return connection of the converter A load can be connected between J15 and J13 VOUT The converter is capable of carrying a load current up to 2000 mA 4 1 7 JP10 EN This jumper enables disables the TPS62065 on the EVM Shorting jumper JP10 between the c...

Page 5: ...put of the step down converter The output voltage of the TPS62067 is adjustable with the feedback resistors R20 and R21 On the EVM the output voltage is set to 3 3 V by default NOTE There is a feed forward capacitor required Refer to the TPS6206x data sheet SLVS833 for detailed information 4 2 5 J24 S S J24 S S are the sense connections for the converter output Connect a voltmeter or the sense con...

Page 6: ... connected between VIN and EN Removing jumper JP20 also turns on the converter 4 2 9 J27 VOUT SMA This SMA connector is connected to the output voltage of the TPS62067 It can be used to easily analyze the noise spectrum of the output voltage with a spectrum analyzer By default J27 is not assembled on the EVM 5 Test Configuration 5 1 Hardware Setup Figure 3 illustrates a typical hardware test confi...

Page 7: ...d 2 Connect a dc voltmeter or oscilloscope to the output sense connection of the EVM J14 on the TPS62065EVM J24 on the TPS62067EVM 3 A load can be connected between J13 and J15 on the TPS62065EVM or J23 and J25 on the TPS62067EVM 4 To enable the converter connect the shorting bar on JP10 JP20 between EN and ON on the TPS62065EVM TPS62067EVM 5 The TPS62065EVM has a feature to allow the user to swit...

Page 8: ...ical performance curves for the TPS62065 67EVM Actual performance data can be affected by measurement techniques and environmental variables therefore these curves are presented for reference and may differ from actual results obtained by some users Efficiency Figure 4 shows the typical efficiency performance for the TPS62065 and TPS62067 Figure 4 TPS62065 TPS62067 Efficiency vs Load Current 6 1 S...

Page 9: ...62067 Startup www ti com TPS62065 67EVM Test Data 6 2 Start up and Shutdown TPS62067 Figure 6 and Figure 7 illustrate the typical start up and shutdown behavior respectively for the TPS62067 using the TPS62067EVM Figure 6 TPS62067 Startup into 2 2 Ω Load Figure 7 TPS62067 Shutdown No Load 9 SLVU364A March 2010 Revised November 2015 TPS62065 67EVM Submit Documentation Feedback Copyright 2010 2015 T...

Page 10: ...ODE GND OUT TYPICAL OUTPUT VOLTAGE RIPPLE PFM MODE TPS62065 67EVM Test Data www ti com 6 3 Output Voltage Ripple Figure 8 and Figure 9 show the typical output voltage ripple for the TPS62065 in PFM and PWM modes respectively with the TPS62065EVM Figure 8 TPS62065 Output Voltage Ripple PFM Mode Figure 9 TPS62065 Output Voltage Ripple PWM Mode 10 TPS62065 67EVM SLVU364A March 2010 Revised November 2...

Page 11: ...using the TPS62065EVM Conditions VIN 3 6 V VOUT 1 8 V IOUT 1 6 A bandwidth 224 kHz phase margin 59 Figure 10 TPS62065 Gain and Phase vs Frequency Conditions VIN 5 0 V VOUT 1 8 V IOUT 1 6 A bandwidth 271 kHz phase margin 54 Figure 11 TPS62065 Gain and Phase vs Frequency 11 SLVU364A March 2010 Revised November 2015 TPS62065 67EVM Submit Documentation Feedback Copyright 2010 2015 Texas Instruments In...

Page 12: ...tom layers to allow the user to easily view probe and evaluate the TPS62065 67 control ICs in a practical application environment Moving components to both sides of the PCB or using additional internal layers can offer additional size reduction for space constrained systems NOTE Board layouts are not to scale These figures are intended to show how the board is laid out they are not intended to be ...

Page 13: ...ch www ti com TPS62065 67EVM 347 Assembly Drawings and Layout Figure 12 TPS62065 67EVM Component Placement Top View 13 SLVU364A March 2010 Revised November 2015 TPS62065 67EVM Submit Documentation Feedback Copyright 2010 2015 Texas Instruments Incorporated ...

Page 14: ...bly Drawings and Layout www ti com Figure 13 TPS62065 67EVM Top Side Copper Top View 14 TPS62065 67EVM SLVU364A March 2010 Revised November 2015 Submit Documentation Feedback Copyright 2010 2015 Texas Instruments Incorporated ...

Page 15: ...Assembly Drawings and Layout Figure 14 TPS62065 67EVM Internal Layer 1 X Ray View from Top 15 SLVU364A March 2010 Revised November 2015 TPS62065 67EVM Submit Documentation Feedback Copyright 2010 2015 Texas Instruments Incorporated ...

Page 16: ...awings and Layout www ti com Figure 15 TPS62065 67EVM Internal Layer 2 X Ray View from Top 16 TPS62065 67EVM SLVU364A March 2010 Revised November 2015 Submit Documentation Feedback Copyright 2010 2015 Texas Instruments Incorporated ...

Page 17: ...47 Assembly Drawings and Layout Figure 16 TPS62065 67EVM Bottom Side Copper Bottom View 17 SLVU364A March 2010 Revised November 2015 TPS62065 67EVM Submit Documentation Feedback Copyright 2010 2015 Texas Instruments Incorporated ...

Page 18: ... 6 3 V X5R 20 0603 muRata D 0 J16 J27 Open Connector SMA straight PC mount 901 144 8RFX AMP 0 210 in2 2 L10 L20 1 0 μH Inductor chip coil 30 1515 LQH44PN1R0NP0L Murata 1 R10 360 kΩ Resistor chip 1 16W 1 0603 Standard Std 2 R11 R21 180 kΩ Resistor chip 1 16W 1 0603 Standard Std 1 R20 820 kΩ Resistor chip 1 16W 1 0603 Standard Std R12 R13 4 1 00 MΩ Resistor chip 1 16W 1 0603 Standard Std R22 R23 1 U...

Page 19: ... 2 To TPS62065 67EVM Internal Layer 1 15 Changed title of Figure 15 From TPS62065 67EVM Internal Layer 1 To TPS62065 67EVM Internal Layer 2 16 NOTE Page numbers for previous revisions may differ from page numbers in the current version 19 SLVU364A March 2010 Revised November 2015 Revision History Submit Documentation Feedback Copyright 2010 2015 Texas Instruments Incorporated ...

Page 20: ...ring the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repair such EVM or provide replacements Repaired EVMs shall be warranted for the remainder of the original warranty period Replaced EVMs shall be warranted for a new full ninety 90 day warranty period 3 ...

Page 21: ... by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain greater than the maximum gain indicated for that type are strictly prohibited for use with this device Concernant les EVMs avec antennes détachables Conformément à la rég...

Page 22: ... 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 even with the inputs and outputs kept within the specified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors cu...

Page 23: ...F REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE LOSS OF DATA OR BUSINESS INTERRUPTION NO CLAIM SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN ONE YEAR AFTER THE RELATED CAUSE OF ACTION HAS OCCURRED 8 2 Specific Limitations IN NO EVENT SHALL T...

Page 24: ...esponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failur...

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