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10.3 Programming

11

Related Documentation from Texas Instruments

Related Documentation from Texas Instruments

Allows for device reprogramming from unencrypted and encrypted files.

Figure 11. Pro (Advanced) Screen

To obtain a copy of any of the following TI document, call the Texas Instruments Literature Response
Center at (800) 477-8924 or the Product Information Center (PIC) at (972) 644-5580. When ordering,
identify this document by its title and literature number. Updated documents can also be obtained through
the TI Web site at

www.ti.com

Documents:

Literature Number:

bq20z70 Data Sheet

bq20z70 Technical Reference

bq29330 Data Sheet

18

bq20z70EVM-001 SBS 1.1 Impedance Track™Technology

SLUU242A – May 2006 – Revised June 2006

Enabled Battery Management Solution Evaluation Module

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Содержание bq20z70EVM-001

Страница 1: ...pset for different pack configurations log cycling data for further evaluation and evaluate the overall functionality of the bq20z70 bq29330 bq29412 solution under different charge and discharge conditions Contents 1 Features 3 2 bq20z70 bq29330 Based Circuit Module 3 3 bq20z70 bq29330 Circuit Module Schematic 4 4 Circuit Module Physical Layouts and Bill of Materials 4 5 EVM Hardware and Software ...

Страница 2: ...ections 11 Impedance Track is a trademark of Texas Instruments Windows is a trademark of Microsoft Corporation 2 bq20z70EVM 001 SBS 1 1 Impedance Track Technology SLUU242A May 2006 Revised June 2006 Enabled Battery Management Solution Evaluation Module Submit Documentation Feedback ...

Страница 3: ... NUMBER CHEMISTRY CONFIGURATION CAPACITY bq20z70EVM 001 Li ion 2 3 or 4 cell Any The bq20z70 bq29330 bq29412 based circuit module is a complete and compact example solution of a bq20z70 and bq29330 circuit for battery management and protection of Li ion or Li polymer packs The circuit module incorporates a bq20z70 battery monitor IC bq29330 AFE and protection IC bq29412 independent overvoltage pro...

Страница 4: ...R12 and Q2 are used as the precharge current path in order to sustain sufficient Pack voltage when the battery voltage is too low to power up the bq29330 IC If the charger has a precharge function R12 and FET Q2 are not used The PMS pin must be pulled high to disable ZVCHG output The charge FET Q1 is used as the precharge FET and the charger must control the precharge current and voltage Note The ...

Страница 5: ...PCB layers and assembly drawing for the bq20z70 bq29330 module Figure 1 bq20z70EVM 001 Layout Silk Screen Figure 2 Top Assembly Figure 3 Top Layer SLUU242A May 2006 Revised June 2006 bq20z70EVM 001 SBS 1 1 Impedance Track Technology 5 Enabled Battery Management Solution Evaluation Module Submit Documentation Feedback ...

Страница 6: ...s and Bill of Materials Figure 4 Bottom Layer Figure 5 Bottom Assembly 6 bq20z70EVM 001 SBS 1 1 Impedance Track Technology SLUU242A May 2006 Revised June 2006 Enabled Battery Management Solution Evaluation Module Submit Documentation Feedback ...

Страница 7: ...hay 75ppm 1 R20 10K Resistor chip 10 kΩ 1 16 W 5 0603 STD STD 2 R26 R34 8 45K Resistor chip 8 45 kΩ 1 16 W 1 0603 STD STD 2 R27 R33 61 9K Resistor chip 61 9 kΩ 1 16 W 1 0603 STD STD 3 R28 R29 R35 220K Resistor chip 220 kΩ 1 16 W 5 0603 STD STD 6 R6 R10 R37 1K Resistor Chip 1 kΩ 1 16W 5 0603 STD STD 2 RT1 RT2 10K Thermistor 10 kΩ 0 095 x 0 150 NTC103AT Sematec 2 TB1 TB3 ED1515 Terminal block 3 pin ...

Страница 8: ...an be substituted with equivalent MFG s components 5 Make one SMBus connector wire assembly for each assembly produced from J5 mate 4 24 AWG wires and crimp terminals Wire colors for pin numbers are listed below The wire assembly shall have a J5 mate on each end Red Pin 4 Signal USB_5V Brown Pin 3 Signal Data White Pin 2 Signal Clock Black Pin 1 GND 6 RT1 RT2 should be assembled horizontally layin...

Страница 9: ...it Module Performance Specification Summary Circuit Module Physical Layouts and Bill of Materials Figure 6 Schematic This section summarizes the performance specifications of the bq20z70 bq29330 bq29412 circuit module SLUU242A May 2006 Revised June 2006 bq20z70EVM 001 SBS 1 1 Impedance Track Technology 9 Enabled Battery Management Solution Evaluation Module Submit Documentation Feedback ...

Страница 10: ...q20z70 EVSW installation 2 If the EV2300 was not previously installed after bq20z70 EVSW installation a TI USB DRIVER INSTALLER will pop up Click Yes for the agreement message and follow its instructions 3 Plug the EV2300 into a USB port 4 The Win98 Driver can be found in the archive Win98EV2300Drivers DocUpdateDec1703 zip under the EV2300 Drivers folder If files were downloaded from the Web 1 Ope...

Страница 11: ...and System Load Charger The following steps configure the hardware for interface to the PC 1 Connect the bq20z70 bq29330 based smart battery to the EV2300 using wire leads as shown in Table 4 Table 4 Circuit Module to EV2300 Connections bq20z70 bq29330 Based Battery EV2300 SMBD SMBD SMBC SMBC VSS GND 2 Connect the PC USB cable to the EV2300 and the PC USB port The bq20z70EVM 001 is now set up for ...

Страница 12: ...checked To disable the scan feature deselect Keep Scanning The continuous scanning period can be set via the Options and Set Scan Interval menu selections The range for this interval is 0 ms to 65535 ms Only items that are selected for scanning are scanned within this period The bq20z70 EVSW provides a logging function which logs the values that were last scanned by EVSW To enable this function se...

Страница 13: ...ng the splitter bar line that separates the Flags Static data from SBS values changes the height of the Flags Static Data display Selecting View then Auto Arrange returns the splitter bar to its original location The bq20z70 data flash comes configured per the default settings detailed in the bq20z70 data sheet SLUS686 Ensure that the settings are correctly changed to match the pack and applicatio...

Страница 14: ...ing written to the device The File Special Export menu options allows the data flash to be exported but it configures the exported data flash to a learned state ready for mass production use The data flash configuration can be saved to a file by selecting File Export and entering a file name A data flash file can also be retrieved in this way imported and written to the bq20z70 using the Write All...

Страница 15: ...te without using the FETs Measure the pack voltage from Batt to Batt Total of Cell voltages Measure the temperature of the pack These steps may or may not be required depending on the type of calibration being performed Select the types of calibration to be performed Enter the measured values for the types selected Except for CC Offset Calibration If Voltage Calibration is selected then enter the ...

Страница 16: ...bration Screen Figure 10 Calibration Screen 16 bq20z70EVM 001 SBS 1 1 Impedance Track Technology SLUU242A May 2006 Revised June 2006 Enabled Battery Management Solution Evaluation Module Submit Documentation Feedback ...

Страница 17: ...as values are typed into the boxes Invalid values may cause erroneous results When scaling converted hex values to a higher number of bytes follow these rules When unsigned is selected the left pad contains zeroes When signed is selected the left pad contains zeroes for a positive number or the left pad contains F for negative numbers SLUU242A May 2006 Revised June 2006 bq20z70EVM 001 SBS 1 1 Impe...

Страница 18: ...se Center at 800 477 8924 or the Product Information Center PIC at 972 644 5580 When ordering identify this document by its title and literature number Updated documents can also be obtained through the TI Web site at www ti com Documents Literature Number bq20z70 Data Sheet SLUS686 bq20z70 Technical Reference SLUU250 bq29330 Data Sheet SLUS673 18 bq20z70EVM 001 SBS 1 1 Impedance Track Technology ...

Страница 19: ...oduct This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application engineer or visit www ti com esh No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine process or combination in which such TI products ...

Страница 20: ...siness practice TI is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death unless officers of the parties have executed an agreement specifically governing such use Buyers represent that they have all necess...

Страница 21: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments BQ20Z70EVM 001 ...

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