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Operation

Figure 6. EVM, DMM and Power Supply Connection for TPL5111 Supply Current Measurements

5. Enable the output of the power supply. Ensure that it is set to 2.5V.

6. Set the S_ON_OFF switch of the EVM to AUX_VDD.

7. The current measured by the DMM should be in the range of 20 nA to 50 nA.

9

SNAU183 – July 2015

TPL5111EVM User 's Guide

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Copyright © 2015, Texas Instruments Incorporated

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Summary of Contents for TPL5111EVM

Page 1: ...TPL5111EVM User s Guide User s Guide Literature Number SNAU183 July 2015...

Page 2: ...r The periodic DRVn signal enables disables the boost converter demonstrating a power gating implementation The output of the TPS61029 drives a green LED indicating when the output voltage is active T...

Page 3: ...nect a DMM to the terminal pins to measure current Figure 2 I_SEL Jumper Setting Table 2 Switch Descriptions Name Layer Description S_ON_OFF Bottom The S_ON_OFF switch ensures that only one voltage so...

Page 4: ...in the V_BATT position 2 Connect an external 3 volt source between the AUX_VDD and GND pins 3 Place the S_ON_OFF switch in the AUX_VDD position 2 1 3 EVM with Micro Controller 1 Disable power to the...

Page 5: ...ore launching the code set a timer interval 5s REXT_1 REXT_2 8 85K include msp430 h int main void WDTCTL WDTPW WDTHOLD Stop watchdog timer __delay_cycles 50000 Set Delay P1DIR BIT0 Set P1 0 to output...

Page 6: ...e DRVn pulse disabling the TPS61029 and turning off the GREEN LED If the DONE switch is not pushed the DRVn pulse length is equal to the programmed value set by REXT_1 and REXT_2 minus 50 ms When the...

Page 7: ...e 4 DONE and DRVn Signal Behavior in Timer Mode 3 1 2 DRVn and Boost Converter Output To simultaneously observe the timing of the DRVn pulse along with the output of the boost converter use a two chan...

Page 8: ...anual power on signal press the M_DRV switch can trigger another cycle This mode of operation is useful for on demand power on 3 3 Supply Current Measurement Timer Mode This procedure is used to only...

Page 9: ...nable the output of the power supply Ensure that it is set to 2 5V 6 Set the S_ON_OFF switch of the EVM to AUX_VDD 7 The current measured by the DMM should be in the range of 20 nA to 50 nA 9 SNAU183...

Page 10: ...t the MODE_SW to the ONE SHOT position 3 Remove the I_SEL jumper 4 Connect the EVM a power supply and a digital multi meter DMM as shown in Figure 4 The output of the power supply should be OFF The DM...

Page 11: ...www ti com Board Layout 4 Board Layout Figure 7 Top Layer 11 SNAU183 July 2015 TPL5111EVM User s Guide Submit Documentation Feedback Copyright 2015 Texas Instruments Incorporated...

Page 12: ...Board Layout www ti com Figure 8 Layer 2 Ground Layer 12 TPL5111EVM User s Guide SNAU183 July 2015 Submit Documentation Feedback Copyright 2015 Texas Instruments Incorporated...

Page 13: ...www ti com Board Layout Figure 9 Layer 3 Power Supply Planes 13 SNAU183 July 2015 TPL5111EVM User s Guide Submit Documentation Feedback Copyright 2015 Texas Instruments Incorporated...

Page 14: ...Board Layout www ti com Figure 10 Bottom Layer 14 TPL5111EVM User s Guide SNAU183 July 2015 Submit Documentation Feedback Copyright 2015 Texas Instruments Incorporated...

Page 15: ...www ti com Schematic 5 Schematic Figure 11 TPL5111EVM Schematic 15 SNAU183 July 2015 TPL5111EVM User s Guide Submit Documentation Feedback Copyright 2015 Texas Instruments Incorporated...

Page 16: ...M 5 0 1 W 0603 CRCW06031M10J Vishay Dale NEA R3 0 33 0k RES 33 0 k 1 0 1 W 0603 CRCW060333K0F Vishay Dale KEA R4 1 200k RES 200 k 1 0 1 W 0603 CRCW0603200KF Vishay Dale KEA R5 1 301 RES 301 ohm 1 0 1W...

Page 17: ...ing 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 repa...

Page 18: ...transmitter has been approved 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 indic...

Page 19: ...ified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sens...

Page 20: ...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 L...

Page 21: ...sponsible 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 inf...

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