Texas Instruments bq25910EVM-854 User Manual Download Page 9 | Manualshive

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Board Layout

9

SLVUB31A – September 2017 – Revised March 2018

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Copyright © 2017–2018, Texas Instruments Incorporated

bq25910EVM-854 Evaluation Module

3

Board Layout

Figure 8

through

Figure 17

illustrate the bq25910EVM-854 PCB layouts.

Figure 8. bq25910EVM-854 Top Overlay

Figure 9. bq25910EVM-854 Top Solder

Figure 10. bq25910EVM-854 Top Layer

Figure 11. bq25910EVM-854 Signal Layer 1

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Summary of Contents for bq25910EVM-854

Page 1: ...Setup 5 3 Board Layout 9 4 Schematic and Bill of Materials 12 4 1 Schematic 12 4 2 Bill of Materials 13 List of Figures 1 bq25910EVM 854 Image 2 2 bq25910EVM Setup 5 3 bqStudio Device Tabs 5 4 bq25910...

Page 2: ...operation efficiency This evaluation module includes both the master and parallel chargers the bq25898D and the bq25910 respectively The bq25898D is a highly integrated 4 A switch mode battery charge...

Page 3: ...Not Installed JP8 bq25898D OTG to GND pin connection Installed JP9 bq25898D ILIM to GND pin connection Not Installed JP10 bq25910 IND_SNS pin connection Installed JP11 bq25910 BATP sense line connecti...

Page 4: ...14 V and 3 6 A to be used for VBUS Battery Emulator A 4 quadrant supply capable of constant voltage 4 775 V and constant current 6 A DC Electronic Load Used to emulate system load Multimeters Used fo...

Page 5: ...ing a 4 wire Molex cable included with EV2400 connect the I2C port to the J5 connector on the EVM Connect the USB cable to any USB port on the PC with bqStudio installed Apply 5 V at VBUS connector J3...

Page 6: ...isabled until the host sets the ENABLE CHARGE bit and resets the watchdog timer via the WD_RST bit RESET WATCHDOG command After POR the device is in default mode with the watchdog timer expired While...

Page 7: ...ld Once the battery voltage rises above the VBAT_LOWV threshold the bq25910 turns on and begins charging applying the charge current set on the Fast Charge Current Limit register Once the bq25910 begi...

Page 8: ...t must be set correctly On bqStudio navigate to the bq25910 device tab and select 3000mA from the Fast Charge Current Limit drop down menu Using a multimeter measure the voltage at the BAT_s testpoint...

Page 9: ...ht 2017 2018 Texas Instruments Incorporated bq25910EVM 854 Evaluation Module 3 Board Layout Figure 8 through Figure 17 illustrate the bq25910EVM 854 PCB layouts Figure 8 bq25910EVM 854 Top Overlay Fig...

Page 10: ...Submit Documentation Feedback Copyright 2017 2018 Texas Instruments Incorporated bq25910EVM 854 Evaluation Module Figure 12 bq25910EVM 854 Signal Layer 2 Figure 13 bq25910EVM 854 Bottom Layer Figure 1...

Page 11: ...31A September 2017 Revised March 2018 Submit Documentation Feedback Copyright 2017 2018 Texas Instruments Incorporated bq25910EVM 854 Evaluation Module Figure 16 bq25910EVM 854 Drill Drawing Figure 17...

Page 12: ...F C26 4 7 F C25 BATP 220pF C28 DNP 22 F C27 DNP 220pF C29 DNP 22 F C30 DNP TP25 TP12 TP11 TP15 TP27 TP28 470nH L3 DNP TP3 TP9 TP17 0 01 R20 0 01 R1 0 01 R4 470nH L2 0 01 R2 0 01 R19 0 01 R18 DNP 0 01...

Page 13: ...727010 Phoenix Contact J5 1 Header friction lock 100mil 4x1 R A TH 4x1 R A Header 22 05 3041 Molex JP1 1 Header 100mil 3x1 Tin TH Header 3 PIN 100mil Tin PEC03SAAN Sullins Connector Solutions JP2 JP3...

Page 14: ...I2C Controlled Single Cell 4 A Fast Charger with MaxCharge Technology YFF0042AHAC DSBGA 42 YFF0042AHAC BQ25898DYFFR Texas Instruments BQ25898DYFFT Texas Instruments U2 1 1S 6A Three Level Single Cell...

Page 15: ...ments Incorporated Revision History Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current version Changes from Original September 2017 to A Revision Pag...

Page 16: ...set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that...

Page 17: ...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 great...

Page 18: ...t the EVM user 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 even with the...

Page 19: ...OST OF 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...

Page 20: ...TI Resource NO OTHER LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT AND NO LICENSE TO ANY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT OF TI OR ANY THIRD...

Page 21: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments BQ25910EVM 854...

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