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Copyright © 2014, Texas Instruments Incorporated

Summary of Contents for bq24295EVM-549

Page 1: ...riginal Test Setup for PWR549 bq24295 EVM 5 4 Main Window of the bq2429x Evaluation Software 6 5 Main Window with Enable Termination Unchecked 7 6 Buck Mode Switch Node Waveform VBUS 5 V VBAT 3 7 V 8...

Page 2: ...ion was performed using different thicknesses of PCBs with the Load Regulation results shown in Figure 1 TI recommends using a 4 layer PCB constructed with two 15 mil 2 oz Cu layer boards fixed togeth...

Page 3: ...nt not installed JP3 TS1 to GND fault Shunt not installed Table 3 lists the switch settings for the EVM Table 3 Switch Settings Switch Description Procedure Setting S2 1 OTG switched to GND ON OFF S2...

Page 4: ...re must be properly installed 2 1 6 USB to GPIO Communication Kit HPA172 USB Interface Adapter 2 1 7 Software Unzip the bq2429xEVM_GUI zip and double click on the SETUP EXE file Follow the installatio...

Page 5: ...ble 2 H Set S2 toggle bits as per Table 3 procedure setting column Figure 3 Original Test Setup for PWR549 bq24295 EVM I Turn on the computer Launch the bq2429x evaluation software The main window of...

Page 6: ...one 3 Turn on PS 1 Measure V J3 SYS J3 GND 4 10 300 mV 2 4 Charge Voltage and Current Regulation of VIN and Device ID Verification 2 4 1 Software setup all of these steps are done in the GUI Device ad...

Page 7: ...V J5 BAT J5 GND 2 5 V 200 mV Increase the Load 1 voltage to 3 7 V Measure V J3 SYS J3 GND 3 75 V 200 mV Measure IBAT 500 mA 200 mA Measure V J5 BAT J5 GND 3 75 V 200 mV In the Software Select Fast Ch...

Page 8: ...Ripple AC coupled 50 mV div top side of C12 cap Measure Figure 6 SW node Frequency between 1 25 MHz and 1 6 MHz Measure Figure 6 SW node Duty cycle between 71 and 81 Measure Figure 7 PMID AC Ripple 1...

Page 9: ...cross J1 PMID to GND 5 Click the GUI read button two times to make sure the latest data is read 6 Disable the I2C watchdog timer Limit if set to a time 7 Uncheck the Enable Charge Box if checked 8 Unc...

Page 10: ...r ground 5 Use a single ground connection to tie the charger power ground to the charger analog ground just beneath the IC Use ground copper pour but avoid power pins to reduce inductive and capacitiv...

Page 11: ...oard Layout Figure 10 through Figure 12 illustrate the board layouts for this EVM Figure 10 bq24295 EVM Top Layer Figure 11 bq24295 EVM Bottom Layer 11 SLUUAO5B August 2013 Revised April 2014 bq24295E...

Page 12: ...d Bill of Materials www ti com Figure 12 bq24295 EVM Top Assembly 12 bq24295EVM 549 PWR549 User s Guide SLUUAO5B August 2013 Revised April 2014 Submit Documentation Feedback Copyright 2013 2014 Texas...

Page 13: ...21k R18 Green D1 REGN GND TS VIN VIN Green D2 DNP 2 21k R12 DNP 200 R2 200 R5 PSEL OTG sys 4 1 2 3 J7 ED555 4DS 2 1 S1 SKRKAEE010 6 3 1 8 2 7 5 4 S2 A6S 4104 H OTG CE TS REGN GND D PSEL 2 1 5 3 4 6 S...

Page 14: ...CW060330K1FKEA Vishay Dale R2 R5 R6 R9 R11 6 200 RES 200 ohm 1 0 1W 0603 0603 CRCW0603200RFKEA Vishay Dale R19 R3 1 0 RES 0 ohm 5 0 1W 0603 0603 CRCW06030000Z0EA Vishay Dale R4 R7 R10 R13 R15 7 10 0k...

Page 15: ...0 2 21k RES 2 21k ohm 1 0 1W 0603 0603 CRCW06032K21FKEA Vishay Dale Notes Unless otherwise noted in the Alternate PartNumber and or Alternate Manufacturer columns all parts may be substituted with eq...

Page 16: ...ision Page Added step 6 to design configurations section 2 NOTE Page numbers for previous revisions may differ from page numbers in the current version 16 Revision History SLUUAO5B August 2013 Revised...

Page 17: ...dling and use of EVMs and if applicable compliance in all respects with such laws and regulations 10 User has sole responsibility to ensure the safety of any activities to be conducted by it and its e...

Page 18: ...his 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 Opera...

Page 19: ...age et ayant un gain admissible maximal et l imp dance requise pour chaque type d antenne Les types d antenne non inclus dans cette liste ou dont le gain est sup rieur au gain maximal indiqu sont stri...

Page 20: ...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...

Page 21: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments BQ24295EVM 549...

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