Texas Instruments BQ24800EVM User Manual Download Page 22

www.ti.com

5

8.

Limitations on Damages and Liability:

8.1

General Limitations

. IN NO EVENT SHALL TI BE LIABLE FOR ANY SPECIAL, COLLATERAL, INDIRECT, PUNITIVE,

INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES IN CONNECTION WITH OR ARISING OUT OF THESE
TERMS OR THE USE OF THE EVMS , REGARDLESS OF WHETHER TI HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES. EXCLUDED DAMAGES INCLUDE, BUT ARE NOT LIMITED TO, COST 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
USE, LOSS OF DATA, OR BUSINESS INTERRUPTION. NO CLAIM, SUIT OR ACTION SHALL BE BROUGHT AGAINST TI
MORE THAN TWELVE (12) MONTHS AFTER THE EVENT THAT GAVE RISE TO THE CAUSE OF ACTION HAS
OCCURRED.

8.2

Specific Limitations.

IN NO EVENT SHALL TI'S AGGREGATE LIABILITY FROM ANY USE OF AN EVM PROVIDED

HEREUNDER, INCLUDING FROM ANY WARRANTY, INDEMITY OR OTHER OBLIGATION ARISING OUT OF OR IN
CONNECTION WITH THESE TERMS, , EXCEED THE TOTAL AMOUNT PAID TO TI BY USER FOR THE PARTICULAR
EVM(S) AT ISSUE DURING THE PRIOR TWELVE (12) MONTHS WITH RESPECT TO WHICH LOSSES OR DAMAGES ARE
CLAIMED. THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT.

9.

Return Policy.

Except as otherwise provided, TI does not offer any refunds, returns, or exchanges. Furthermore, no return of EVM(s)

will be accepted if the package has been opened and no return of the EVM(s) will be accepted if they are damaged or otherwise not in
a resalable condition. If User feels it has been incorrectly charged for the EVM(s) it ordered or that delivery violates the applicable
order, User should contact TI. All refunds will be made in full within thirty (30) working days from the return of the components(s),
excluding any postage or packaging costs.

10.

Governing Law:

These terms and conditions shall be governed by and interpreted in accordance with the laws of the State of Texas,

without reference to conflict-of-laws principles. User agrees that non-exclusive jurisdiction for any dispute arising out of or relating to
these terms and conditions lies within courts located in the State of Texas and consents to venue in Dallas County, Texas.
Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief
in any United States or foreign court.

Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265

Copyright © 2019, Texas Instruments Incorporated

Summary of Contents for BQ24800EVM

Page 1: ...3 1 4 Recommended Operating Conditions 4 2 Test Summary 4 2 1 Equipment 4 2 2 Equipment Setup 5 3 Procedure 7 3 1 AC Adapter Detection Threshold 7 3 2 Charger Parameter Settings 7 3 3 Charge Current a...

Page 2: ...mit Documentation Feedback Copyright 2020 Texas Instruments Incorporated BQ24800 EVM 4 EV2400 and BQ24800 EVM Connections 5 5 BQ24800EVM Bill of Materials 15 Trademarks Microsoft Windows are registere...

Page 3: ...parameter settings of the EVM Table 2 Controls and Key Parameters Settings Jack Description Factory Setting JP1 Connect battery positive input BAT to TPS3898 SENSE pin through resistor divider R33 R34...

Page 4: ...ain the equipment and the equipment setup 2 1 Equipment 2 1 1 Power Supplies Power Supply 1 PS 1 a power supply capable of supplying 20 V at 5 A is required Power Supply 2 PS 2 a power supply capable...

Page 5: ...file already exists and is newer do not overwrite the newer file Click Finish 2 2 Equipment Setup Set power supply 1 PS 1 for 0 V 100 mVDC with the current limit set to 5 A Turn off supply Connect PS...

Page 6: ...vious steps the test setup for BMS031 appears as shown in Figure 2 Figure 2 Original Test Setup for BQ24800 EVM BMS031 Turn on the computer Launch the bqstudio evaluation software and select charger a...

Page 7: ...in software window click the Refresh button on the top right corner Make sure there is no error information 1 Type 512 mA in ChargeCurrent Register and click OK This sets the battery charge current re...

Page 8: ...easure IIN 4100 mA 400 mA Measure V TP14 IADP 820 mV 100 mV 5 Turn off the Load 1 Measure ISYS 0 100 mA IBAT 3000 mA 300 mA 3 4 Hybrid Boost Mode Use the following steps for hybrid boost mode 1 Enter...

Page 9: ...threshold for battery boost to 10 24 V 5 Reduce the voltage of PS 2 to 9 0 V to enter battery only boost mode Measure V TP3 VBATT 9 0 V 300 mV Measure V TP2 VSYS 12 0 V 600 mV 3 6 Power Path Selection...

Page 10: ...xt to the inductor output Route the sense leads connected across the sensing resistor back to the IC in same layer close to each other minimize loop area and do not route the sense leads through a hig...

Page 11: ...ight 2020 Texas Instruments Incorporated BQ24800 EVM 5 Board Layout Schematic and Bill of Materials This section contains the BQ24800EVM PCB layouts schematic and bill of materials 5 1 BQ24800EVM PCB...

Page 12: ...Layout Schematic and Bill of Materials www ti com 12 SLUUC60 February 2020 Submit Documentation Feedback Copyright 2020 Texas Instruments Incorporated BQ24800 EVM Figure 7 Mid Layer 1 Figure 8 Mid La...

Page 13: ...om Board Layout Schematic and Bill of Materials 13 SLUUC60 February 2020 Submit Documentation Feedback Copyright 2020 Texas Instruments Incorporated BQ24800 EVM Figure 9 Bottom Layer Figure 10 Bottom...

Page 14: ...terials www ti com 14 SLUUC60 February 2020 Submit Documentation Feedback Copyright 2020 Texas Instruments Incorporated BQ24800 EVM 5 2 Schematic The BQ24800EVM Figure 11 schematic is provided for ref...

Page 15: ...25 V 10 X7R 0603 0603 C0603C104K3RACTU Kemet C35 1 1 F CAP CERM 1 F 35 V 20 X5R 0402 0402 GRM155R6YA105ME11D MuRata C36 1 2 2 F CAP CERM 2 2 F 10 V 20 X5R 0402 0402 885012105013 Wurth Elektronik C37 C...

Page 16: ...oint Miniature Red TH Red Miniature Testpoint 5000 Keystone TP2 TP4 TP6 3 Test Point Compact SMT Testpoint_Keyston e_Compact 5016 Keystone TP7 TP8 TP9 TP10 TP11 TP12 TP13 TP14 TP15 TP16 TP17 TP18 TP19...

Page 17: ...mit Documentation Feedback Copyright 2020 Texas Instruments Incorporated BQ24800 EVM Table 5 BQ24800EVM Bill of Materials continued Designator Qty Value Description Package Reference PartNumber Manufa...

Page 18: ...ther than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control tec...

Page 19: ...These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not in...

Page 20: ...instructions set forth by Radio Law of Japan which includes but is not limited to the instructions below with respect to EVMs which for the avoidance of doubt are stated strictly for convenience and s...

Page 21: ...any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electr...

Page 22: ...R DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthe...

Page 23: ...e resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reprod...

Reviews: