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Direct Access Communication

5-12

5.6

Direct Access Communication

The Pro Screen allows direct access to all the memory in the bq2060A
including the memory above the SMBus locations providing that the bq2060A
is unsealed. The scan tool called Dwell is useful for scanning a specific
location.

Figure 5−11. Pro Screen

Содержание bq2060AEVM-001

Страница 1: ...bq2060AEVM 001 and bq2060AEVM 002 SBS 1 1 Battery Management Solution Evaluation Module December 2003 High Performance Analog User s Guide SLUU179 ...

Страница 2: ...titute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual property of the third party or a license from TI under the patents or other intellectual property of TI Reproduction of information in TI data books or data sheets is permissible only if reproduction ...

Страница 3: ... handling or use of the goods Please be aware that the products received may not be regulatory compliant or agency certified FCC UL CE etc Due to the open construction of the product it is the user s responsibility to take any and all appropriate precautions with regard to electrostatic discharge EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR A...

Страница 4: ... load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 60 C The EVM is designed to operate properly with certain components above 60 C as long as the input and output ranges are maintained These components include but are not limited to linear regul...

Страница 5: ...Based Circuit Module Chapter 3 Circuit Module Physical Layout Chapter 4 EVM Hardware and Software Setup Chapter 5 Operation FCC Warning This equipment is intended for use in a laboratory test environment only It gen erates uses and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to subpart J of part 15 of FCC rules which are d...

Страница 6: ...vi ...

Страница 7: ... Layouts 3 1 3 1 Board Layout 3 2 4 EVM Hardware and Software Setup 4 1 4 1 Software Installation 4 2 4 2 Hardware Connection 4 2 4 2 1 Connecting the bq2060A Circuit Module to a Battery Pack 4 2 4 2 2 PC Interface Connection 4 4 5 Operation 5 1 5 1 Starting the Program 5 2 5 2 Extended Data Screen 5 4 5 3 Data Logging 5 5 5 4 Setting Programmable bq2060A Options 5 5 5 5 Calibration of a bq2060A B...

Страница 8: ...M Data Screen 5 6 5 5 NiMH EEPROM Data Screen 5 7 5 6 Read EEPROM Values Screen 5 8 5 7 EEPROM Values to be Written Screen 5 8 5 8 EEPROM Data Screen bq2060A Module Calibration Locations 5 9 5 9 VFC Offset Screen 5 10 5 10 3 Cell LION Calibration Screen 5 11 5 11 Pro Screen 5 12 Tables 1 1 Ordering Information 1 2 2 1 SLUP023 00X Bill of Materials 2 2 2 2 Performance Specification Summary 2 3 4 1 ...

Страница 9: ...s backwards compatible with the bq2060 New features in the bq2060A can be accessed from the EEPROM screen in the EV2200 60 software For this document bq2060AEVM 00X is used for both the bq2060AEVM 001 and the bq2060AEVM 002 Topic Page 1 1 Overview 1 2 1 2 Features 1 2 1 3 Kit Contents 1 2 1 4 Ordering Information 1 2 Chapter 1 ...

Страница 10: ...0A solution under different charge and discharge conditions 1 2 Features Complete evaluation system for the bq2060A SBS 1 1 compliant advanced gas gauge Populated circuit module for quick setup PC software and interface board for easy evaluation Software that allows data logging for system analysis 1 3 Kit Contents bq2060A circuit module EEPROM Interface connector with wires Sense resistor EV2200 ...

Страница 11: ... and Li Polymer cells Contacts on the circuit module provide direct connection to the cells BAT 1P 2P 3P BAT and the serial communications port SMBC SMBC The system load and charger connect across PACK and PACK The SAFE output reflects the state of the safety output from the bq2060A and has extra ESD protection just for evaluation purposes Topic Page 2 1 Pin Descriptions 2 2 2 2 bq2060A Circuit Mo...

Страница 12: ...C10 Capacitor ceramic 0 1 µF X7R 25 V 603 VJ0603Y104KXXX Vishay 1 1 C2 Capacitor ceramic 0 001 µF X7R 25 V 603 VJ0603Y102KXXX Vishay 4 4 D1 D2 D3 D4 Diode LED green Gullwing SMT Gullwing LN1371G Panasonic 1 1 D5 Diode dual SOT23 BAV99 Zetex 3 3 D6 D7 D8 Diode Zener 5 6 V SOT23 BZX84C5V6 On Semi 1 1 Q1 Transistor JFET N channel SOT23 SST113 Vishay Siliconix 1 1 Q2 Transistor NPN SOT23 MMBT3904 On S...

Страница 13: ...nters 22 12 2044 Molex 1 1 J1 mate Connector female 0 100 inch centers 22 01 3047 Molex 4 4 N A Terminals crimp tin 08 50 0114 Molex 1 1 N A Wire insulated 22 Awg red 8 inches VCC Any Any 1 1 N A Wire insulated 22 Awg white 8 inches SMBC Any Any 1 1 N A Wire insulated 22 Awg black 8 Inches GND Any Any 1 1 N A Wire insulated 22 Awg brown 8 inches SMBD Any Any 1 1 TB1 Terminal block 0 200 mil center...

Страница 14: ...2 4 ...

Страница 15: ...3 1 Circuit Module Physical Layouts Circuit Module Physical Layouts This chapter contains the board layout and assembly drawings for the bq2060A circuit module Topic Page 3 1 Board Layout 3 2 Chapter 3 ...

Страница 16: ...Board Layout 3 2 3 1 Board Layout Figure 3 1 shows the dimensions PCB layers and assembly drawing for the bq2060A module Figure 3 1 bq2060AEVM 00X Layout ...

Страница 17: ...p EVM Hardware and Software Setup This section describes how to install the bq2060AEVM 00X PC software and how to connect the different components of the EVM Topic Page 4 1 Software Installation 4 2 4 2 Hardware Connection 4 2 Chapter 4 ...

Страница 18: ...cuit Module to a Battery Pack Figure 4 1 and Figure 4 2 show how to connect the bq2060A circuit module to the cells and system load charger Connect the cells in the following order NOTE The cell terminal connections not listed below should remain open 4 Cell LION Pack J Connect the PACK terminal to the Cell4P terminal on the bq2060AEVM 00X module J Connect the BAT terminal to the negative side of ...

Страница 19: ...ct the Cell1 terminal to the positive side of the first cell No Individual Cell Voltage Monitoring NiMH J Connect the PACK terminal to the Cell4P terminal on the bq2060AEVM 00X module J Connect the BAT terminal to the negative side of the bottom first cell J Connect the Cell4P terminal to the positive side of the top cell Figure 4 1 bq2060A Circuit Module Connection to LION Cells and System Load C...

Страница 20: ...60AEVM 00X to the EV2200 using wire leads as listed in Table 4 1 Table 4 1 Circuit Module to EV2200 Connections bq2060AEVM 00X EV2200 SMBD SMBD HDQ1 SMBC SMBC HDQ2 PACK VSS 2 Connect the EEPROM connector to the bq2060AEVM 00X and the wire leads of the EEPROM connector to the EV2200 as listed in Table 4 2 Table 4 2 Circuit Module EEPROM Connector to EV2200 Connections bq2060AEVM 00X EV2200 VCC E2 V...

Страница 21: ...ware Topic Page 5 1 Starting the Program 5 2 5 2 Extended Data Screen 5 4 5 3 Data Logging 5 5 5 4 Setting Programmable bq2060A Options 5 5 5 5 Calibration of a bq2060A Based Module Using the EV2200 60 Software 5 10 5 6 Direct Access Communication 5 12 5 7 Schematic 5 13 Chapter 5 ...

Страница 22: ...s Texas Instruments EV2200 60 menu sequence The SBS Data screen appears Data begins to populate the fields on the screen as the indicator scans e g Remaining Capacity is highlighted in Figure 5 1 To disable the scan feature select Options Poll BQ Registers Stop Figure 5 1 SBS Data Screen ...

Страница 23: ... the SBS data set along with additional Static data which is shown in a box in the bottom right quadrant By clicking on the Read button the box changes to show the static data from the bq2060A see Figure 5 2 Figure 5 2 SBS Data Screen Static Data Window ...

Страница 24: ...ns the SBS Extended data that continues scanning from the bq2060A Data Screen The second frame is for high speed scanning up to 7 SBS data values When the Start Quick Scan button is clicked these scans take precedence over all other scanning to get the highest update rate possible Figure 5 3 SBS Extended Data Screen ...

Страница 25: ...050 10 296 3 10799 0 100 2025 4050 13 296 3 10800 0 100 2025 4050 15 296 3 10802 0 100 2025 4050 18 296 3 10793 0 100 2025 4050 21 296 3 10792 0 100 2025 4050 23 296 3 10794 0 100 2025 4050 26 296 4 10798 0 100 2025 4050 29 296 4 10797 0 100 2025 4050 32 296 4 10791 0 100 2025 4050 34 296 3 10797 0 100 2025 4050 37 296 3 10794 0 100 2025 4050 39 296 3 10797 0 100 2025 4050 42 296 3 10793 0 100 202...

Страница 26: ... pack connect the EEPROM connector and click Options Unlock Device Be sure to remove power from the device and re apply to finish the unsealing procedure To reseal the part click Options Seal bq2060A Then reset the bq2060A by clicking Options Initialize Device IMPORTANT The correct setting of these options is essential to get the best performance The settings can be configured using the EEPROM Dat...

Страница 27: ... ENTER key After a moment the next location is highlighted The entire EEPROM can be written this way The EEPROM configuration data can be saved to a file by selecting File Store EEPROM and entering a file name An EEPROM file can also be retrieved in this way and written to the bq2060A using the Write button To read the raw Hex data in the EEPROM click on Read EEPROM Contents This reads the entire ...

Страница 28: ... to the EEPROM click on EEPROM Values to be Written This reading is not from the EERPOM but rather from the locations as they are displayed It translates all locations to a raw Hex EEPROM map that is displayed in a new window exactly as it would go into the EEPROM once written Figure 5 7 EEPROM Values to be Written Screen ...

Страница 29: ...e bq2060A Options 5 9 Operation All data required for calibration is also held in the EEPROM for the bq2060A as highlighted in Figure 5 8 Figure 5 8 EEPROM Data Screen bq2060A Module Calibration Locations Calibration Data ...

Страница 30: ...set method click on Start Alternate Calibration This method does not apply an internal short across the sense resistor Care must be taken that no current is flowing through the sense resistor If there is current the bq2060A applies this current to its calculations resulting in an inaccurate VFC offset With no short across the sense resistor this method compensates for board offset as long as no cu...

Страница 31: ... top frame is for calibrating voltage and temperature Perform this calibration procedure prior to the Current VFC Gain calibration To perform the Voltage Temperature calibration enter values in the Reference Standard column that were recorded using a traceable calibrated standard Be sure to measure the voltage at the connections to the bq2060AEVM 00X module to get the most accurate results Also be...

Страница 32: ...unication The Pro Screen allows direct access to all the memory in the bq2060A including the memory above the SMBus locations providing that the bq2060A is unsealed The scan tool called Dwell is useful for scanning a specific location Figure 5 11 Pro Screen ...

Страница 33: ...Schematic 5 13 Operation 5 7 Schematic The schematic diagram is appended to the PDF document ...

Страница 34: ......

Страница 35: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments BQ2060AEVM 001 BQ2060AEVM 002 ...

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