National Semiconductor BQ2026 User Manual Download Page 10 | Manualshive

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Revision History

Revision History

Changes from Original (December 2011) to A Revision

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Deleted list items 2: "Personal computer (PC) interface board EV2300" and 3: "USB cable (type A-B)" from

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NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

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Revision History

SLUU763A – December 2011 – Revised November 2015

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Copyright © 2011–2015, Texas Instruments Incorporated

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Summary of Contents for BQ2026

Page 1: ...ents 1 Kit Contents 2 2 bq2026 Based Circuit Module 2 2 1 Test Points 2 3 bq2026EVM Circuit Module Schematic 2 4 bq2026EVM Circuit Module Physical Layouts 3 5 bq2026EVM Circuit Module Bill of Materials 5 6 bq2026EVM Circuit Module Performance Specification Summary 6 7 bq2026EVM Hardware and Software Setup 6 7 1 Drivers and Software Installation 6 7 2 Hardware Connection 6 8 Software Operation 7 8 ...

Page 2: ...l application only the bq2026 IC and a pullup resistor is required 2 1 Test Points Table 1 Test Points Test Point Signal Name Description J1 1 VSS Device ground J1 2 PROG Input for timing of EPROM programming pulse J1 3 SDQ SDQ single wire communication bus J2 1 12V High voltage for EPROM programming J2 2 VSS Programming ground J3 Connect for EPROM programming 3 bq2026EVM Circuit Module Schematic ...

Page 3: ...l Layouts This section contains the board layout and assembly drawings for the bq2026EVM circuit module Figure 2 bq2026EVM Silk Screen 3 SLUU763A December 2011 Revised November 2015 bq2026 Evaluation Software Submit Documentation Feedback Copyright 2011 2015 Texas Instruments Incorporated ...

Page 4: ... Layouts www ti com Figure 3 bq2026EVM Top Assembly Figure 4 bq2026EVM Top Layer 4 bq2026 Evaluation Software SLUU763A December 2011 Revised November 2015 Submit Documentation Feedback Copyright 2011 2015 Texas Instruments Incorporated ...

Page 5: ...7 kΩ 1 16 W 5 603 Std Std 1 XU1 Socket SOT 23 6P SOT 23 6 WELLS CTI 499 P44 20 1 J1 Header Friction Lock Ass y 4 pin Right Angle 0 400 x 0 500 Molex 22 05 3041 1 J2 Terminal Block 2 pin 6 A 3 5 mm 0 27 x 0 25 inch OST ED1514 0 GND Test Point Black 1 mm 0 038 Keystone 5001 0 SDQ Test Point Red 1 mm 0 038 Keystone 5000 2 U2 U3 Socket Pin Install First DIA_038 PIN_013 020 EXP_146 Tyco 50935 B125 1 Q1...

Page 6: ...ith Microsoft 8 After installation finishes another system prompt new hardware found appears Repeat preceding procedure but point to C WINDOWS TI USB2 9 Answer continue to the warning that drivers are not certified with Microsoft Installation of drivers is now finished 10 For Windows 98 point to directory TIUSBWin98 11 After installing the USB drivers for EV2300 double click on the Setup exe icon ...

Page 7: ... 7 2 2 EPROM Programming To program EPROM registers a 12 V pulse must be sent across the SDQ line during a write command See the bq2026 data sheet SLUS938 for a specific description of EPROM programming requirements When programming EPROM registers the following must be ensured J3 jumper is connected VOUT output of EV2300 is connected to PROG input of bq2026EVM board Power supply set to 12 V is co...

Page 8: ... to be written Write the hexadecimal value of the data that needs to be written and then press ENTER 2 The other method of programming the EPROM is by importing a data file that contains all the values to be programmed The data file has the file extension epr An example of a data file is included with the evaluation program To create additional data files modify the example file so that the values...

Page 9: ...map 8 3 2 Status Bytes This section allows the user to read or write the EPROM Status bytes of the bq2026 The registers are programmed by clicking on the appropriate grid entering the desired value and pressing ENTER Note that the status registers are EPROM Once a bit has been cleared it cannot be set Figure 7 DATA Page 9 SLUU763A December 2011 Revised November 2015 bq2026 Evaluation Software Subm...

Page 10: ...ersonal computer PC interface board EV2300 and 3 USB cable type A B from Section 1 2 NOTE Page numbers for previous revisions may differ from page numbers in the current version 10 Revision History SLUU763A December 2011 Revised November 2015 Submit Documentation Feedback Copyright 2011 2015 Texas Instruments Incorporated ...

Page 11: ...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 12: ... 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 13: ... 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 14: ...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 15: ...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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