Texas Instruments bq2022A User Manual Download Page 4 | Manualshive

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Circuit Module Physical Layouts

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4

SLUU258B – November 2007 – Revised July 2017

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Copyright © 2007–2017, Texas Instruments Incorporated

bq2022A Evaluation Software

4

Circuit Module Physical Layouts

This section contains the board layout and assembly drawings for the bq2022AEVM circuit module.

Figure 2. Silk Screen

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Summary of Contents for bq2022A

Page 1: ...plications such as battery pack configuration parameters record maintenance asset tracking product revision status and access code security Contents 1 Kit Contents 2 2 bq2022A Based Circuit Module 2 3 bq2022A Circuit Module Schematic 3 4 Circuit Module Physical Layouts 4 5 bq2022A Circuit Module List of Materials 8 6 bq2022AEVM Circuit Module Performance Specification Summary 8 7 EVM Hardware and ...

Page 2: ...2022A based circuit module is ideal for programming the 1 K bit EPROM and the STATUS bytes of the bq2022A IC The circuit module includes a 3 pin SOT23 dual socket a bq2022A IC a Zener diode for host protection during EPROM programming and a programming circuit that generates a 12 V pulse when used with a power supply and a control signal In a typical application only the bq2022A IC and a pullup re...

Page 3: ...mber 2007 Revised July 2017 Submit Documentation Feedback Copyright 2007 2017 Texas Instruments Incorporated bq2022A Evaluation Software 3 bq2022A Circuit Module Schematic The schematic shows the circuit for the bq2022AEVM implementation Figure 1 EVM Schematic ...

Page 4: ...ised July 2017 Submit Documentation Feedback Copyright 2007 2017 Texas Instruments Incorporated bq2022A Evaluation Software 4 Circuit Module Physical Layouts This section contains the board layout and assembly drawings for the bq2022AEVM circuit module Figure 2 Silk Screen ...

Page 5: ...m Circuit Module Physical Layouts 5 SLUU258B November 2007 Revised July 2017 Submit Documentation Feedback Copyright 2007 2017 Texas Instruments Incorporated bq2022A Evaluation Software Figure 3 EVM Top Assembly ...

Page 6: ...Module Physical Layouts www ti com 6 SLUU258B November 2007 Revised July 2017 Submit Documentation Feedback Copyright 2007 2017 Texas Instruments Incorporated bq2022A Evaluation Software Figure 4 EVM Layer One ...

Page 7: ...om Circuit Module Physical Layouts 7 SLUU258B November 2007 Revised July 2017 Submit Documentation Feedback Copyright 2007 2017 Texas Instruments Incorporated bq2022A Evaluation Software Figure 5 EVM Layer Two ...

Page 8: ...ev B Board N A 1 Shunt 100 mil Black 3M 929950 00 6 bq2022AEVM Circuit Module Performance Specification Summary Table 3 Performance Specification Summary SPECIFICATION MIN TYP MAX UNITS Voltage Pullup VUP 2 65 5 5 V Programming Voltage VPP 11 5 12 V 7 EVM Hardware and Software Setup 7 1 Drivers and Software Installation This section describes how to install the bq2022AEVM PC software and how to co...

Page 9: ...ram the EPROM of bq2022AEVM a 12 V pulse must be generated on the SDQ line The HPA125 board has an additional circuit included that permits generating this pulse when using a power supply set to 12 V and the VOUT output of the EV2300 The evaluation software controls this pulse for EPROM programming When programming the EPROM it is expected that a 12 V supply must be connected to the HPA125 board a...

Page 10: ...on sends the MATCH ROM command before any communication attempt is made with the desired device Search ROM This section demonstrates the SEARCH ROM command When multiple devices are on the SDQ bus the ROM ID of the devices that share the bus is listed Match ROM This section is only available when the Multiple Devices option is selected in the Application section To use the MATCH ROM enter the ROM ...

Page 11: ...ogramming the EPROM using the EVSW follow 1 Click on a specific grid that corresponds to the register that needs 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...

Page 12: ...ters are programmed by clicking on the appropriate grid entering the desired value and pressing ENTER Buttons are provided for the user to select specific pages for write protection By selecting any of the Write Protection Bits button register 0x00 of status registers is written automatically so that the corresponding bit is cleared Note that the status registers are EPROM Once a bit has been clea...

Page 13: ...y 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 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 warr...

Page 14: ...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 réglementation d Industrie Canada le présent émetteur radio peut fo...

Page 15: ...ed loads Any loads applied outside of the specified output range may also result in unintended and or inaccurate operation and or possible permanent damage to the EVM and or interface electronics Please consult 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 ...

Page 16: ...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 Specif...

Page 17: ... 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 PARTY IS GRANTED HEREIN including but not limited to any patent right copyright mask work right or other intellectual property right relating to any combination machine or process in which TI product...

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