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bq76940/bq76930/bq76920 Software

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Figure 5. Sequence View

The installation comes with 3 sequence files. The

Clear Faults

files contain descriptions for requirements

for a sequence file.

The Set UV Trip...

file shows an example of a simpler format. Sequence files are

installed to: C:\Users\<account-name>\Documents\Texas Instruments\bq76940\sequence. Sequences are
loaded from this location when the program starts. Create new sequences with a text editor and save
them with the .bqseq extension. Up to 8 sequences can be stored, move other sequences to another
directory or change the extension. The sequences

Sequence_Example.bqseq

,

Sequence Clear

Faults.bqseq

, and

UVTrip.bqseq

are required, do not move them from the directory.

Typical uses of a sequence might include:

Reading and clearing faults, then enabling CHG and DSG outputs

Setting ship mode

Setting a balance pattern

Any repetitive multiple-register write used in evaluation

While sequences can be executed during logging, the logging is paused while the sequence executes.
Long sequences leave gaps in the log data.

3.4.7

Typical Operation of Software

Typical operation of the software involves the following steps, much like described in

quick start

section:

Connect the EVM and related equipment

Power the EVM

Boot the EVM

Start the software

Read and change registers, as desired

If the board is powered off during the evaluation process:

Power the EVM

Boot the EVM

Select the

Read Device

button

Read and change registers, as desired

10

bq76920 Evaluation Module User's Guide

SLVU924B – March 2014 – Revised April 2014

Submit Documentation Feedback

Copyright © 2014, Texas Instruments Incorporated

Summary of Contents for bq76920

Page 1: ...n 2 1 3 bq76920 Circuit Module Performance Specification Summary 3 1 4 Required Equipment 3 2 bq76920 EVM Quick Start Guide 3 2 1 Before You Begin 3 2 2 Quick Start 4 3 bq76940 bq76930 bq76920 Softwar...

Page 2: ...pin connector Resistor cell simulator for quick setup with only a power supply PC software available for configuration 1 1 Kit Contents bq76920 circuit module Cable to connect the EVM to an EV2400 or...

Page 3: ...access to the internet TI bq76940 bq76930 bq76920 Evaluation Software see Section 3 Test leads to connect equipment Electronic load or assorted resistors Additional equipment may be desired to operat...

Page 4: ...d 5 Attach the interface board communication adapter to the PC using USB cable The EV2400 is recommended the EV2300 works if it is available and drivers are installed 6 Attach the interface board I2C...

Page 5: ...The examples in this document are from Windows 7 3 2 Installing the bq76940 bq76930 bq76920 Software Find the latest software version in the software section of the EVM tool folder http www ti com too...

Page 6: ...software Although the software runs without connection to a powered device it is recommended to have the device on when starting the software Follow the directions in the quick start section Figure 1...

Page 7: ...ar has the I2C address and a byte communication tool The I2C address must be entered the tool does not automatically detect the address The default address is 0x08 which is the default address for the...

Page 8: ...ster values may also be changed using the I2C byte write tool at the top of the window Register changes are visible if the Verify Writes option is enabled The display may also be updated using the Upd...

Page 9: ...hese value boxes are read only they are updated by the values read from the device with the Read Device button The Display raw data read from device below check box allows display of the hex register...

Page 10: ...ry Typical uses of a sequence might include Reading and clearing faults then enabling CHG and DSG outputs Setting ship mode Setting a balance pattern Any repetitive multiple register write used in eva...

Page 11: ...s resistors The top section of the S3 switch connects the BATT node to the top of the resistor string The bottom of the resistor string is connected to BATT The individual cell taps are connected to t...

Page 12: ...evaluation with reduced cells in a transient environment short the VCx pins at the capacitor or VCx test points and remove the unused input resistor When using the cell simulator shorting the unused c...

Page 13: ...witches if needed When the top and bottom cells are connected on the board 1 Connect BATT includes C0 2 Connect cells bottom up C1 C2 C3 3 Connect BATT includes top cell 4 Open the cell simulator swit...

Page 14: ...If it is useful to slow the transition the pattern C10 is available C10 should not be large in order to avoid current and slowing the edge to where the bq76920 would see the ALERT high as an input an...

Page 15: ...ough banana jacks Control connections are on the left top Pack terminals are on the right side using banana jacks Wide trace areas are used reducing voltage drops on the high current paths The EVM lay...

Page 16: ...Module Physical Construction www ti com Figure 8 Top Assembly 16 bq76920 Evaluation Module User s Guide SLVU924B March 2014 Revised April 2014 Submit Documentation Feedback Copyright 2014 Texas Instru...

Page 17: ...0EVM Circuit Module Physical Construction Figure 9 Top Layer 17 SLVU924B March 2014 Revised April 2014 bq76920 Evaluation Module User s Guide Submit Documentation Feedback Copyright 2014 Texas Instrum...

Page 18: ...t Module Physical Construction www ti com Figure 10 Layer 2 18 bq76920 Evaluation Module User s Guide SLVU924B March 2014 Revised April 2014 Submit Documentation Feedback Copyright 2014 Texas Instrume...

Page 19: ...0EVM Circuit Module Physical Construction Figure 11 Layer 3 19 SLVU924B March 2014 Revised April 2014 bq76920 Evaluation Module User s Guide Submit Documentation Feedback Copyright 2014 Texas Instrume...

Page 20: ...Module Physical Construction www ti com Figure 12 Bottom Layer 20 bq76920 Evaluation Module User s Guide SLVU924B March 2014 Revised April 2014 Submit Documentation Feedback Copyright 2014 Texas Instr...

Page 21: ...Circuit Module Physical Construction Figure 13 Bottom Silk Screen 21 SLVU924B March 2014 Revised April 2014 bq76920 Evaluation Module User s Guide Submit Documentation Feedback Copyright 2014 Texas In...

Page 22: ...dule Physical Construction www ti com Figure 14 Bottom Assembly 22 bq76920 Evaluation Module User s Guide SLVU924B March 2014 Revised April 2014 Submit Documentation Feedback Copyright 2014 Texas Inst...

Page 23: ...off Hex 0 5 L 4 40 Nylon Standoff 1902C Keystone J1 1 Receptacle 3 5mm 6x1 R A TH Header 6x1 R A 395021006 Molex J2 J3 J6 J7 4 Standard Banana Jack Uninsulated 15A Banana Jack 108 0740 001 Emerson Net...

Page 24: ...BK G Samtec J12 3 SH J12 5 SH J12 7 SH J12 9 SH J13 3 TP3 TP4 TP5 TP6 4 Black Test Point TH Multipurpose Black Keystone5011 5011 Keystone U1 1 C Controlled AFE Family for 5 10 15 Series Cell Lithium I...

Page 25: ...ber MFG TP2 TP29 0 Red Test Point TH Multipurpose Red Keystone5010 5010 Keystone TP7 TP8 TP9 TP10 TP11 TP12 0 White Test Point TH Multipurpose White Keystone5012 5012 Keystone TP13 TP14 TP15 TP18 TP20...

Page 26: ...12 0 1 F C17 0 1 F C18 1 F C14 0 R16 1 00k R17 1 00Meg R18 50V Q3 BSS84W 7 F 16V D5 MMSZ5246B 7 F DNP 1 25V D4 GND 10 0k t R20 4700pF C15 GND GND TP9 DNP TP11 DNP TP13 DNP TP14 DNP TP7 DNP TP18 DNP TP...

Page 27: ...ND ALT 16 17 Addr select GG_PWR GG_SCL GG_SDA GG_ALERT GG_ KEYIN GG_ PRES SMBA 16V D13 MMSZ5246B 7 F 5 6V D11 5 6V D10 5 6V D20 5 6V D19 TP37 TP33 DNP KEYIN PRES 1 2 3 4 5 6 7 8 9 10 J12 PEC05DAAN GND...

Page 28: ...6 J15 DNP BATT Test points BATT C5 C4 C3 C2 C1 C0 1 00k R64 bq76920EVM Circuit Module Physical Construction www ti com Figure 17 Schematic Diagram Cell Simulator 28 bq76920 Evaluation Module User s G...

Page 29: ...bq76920 Evaluation Software in step one of the Quick Start section and globally throughout document 4 Added clarification about device identifiers in menus or windows in the bq76940 bq76930 bq76920 S...

Page 30: ...dling and use of EVMs and if applicable compliance in all respects with such laws and regulations 10 User has sole responsibility to ensure the safety of any activities to be conducted by it and its e...

Page 31: ...his equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Opera...

Page 32: ...age et ayant un gain admissible maximal et l imp dance requise pour chaque type d antenne Les types d antenne non inclus dans cette liste ou dont le gain est sup rieur au gain maximal indiqu sont stri...

Page 33: ...sponsible 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 inf...

Page 34: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments BQ76920EVM...

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