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overview

several ti fuel gauge products support authentication for anti-counterfeit protection of battery packs. the selection of the battery authentication scheme between sha and ecc is left to the user to decide. bqkeypackager is provided to package the key, and bqkeyprogrammer is provided to program the key onto the selected gauge. the purpose of these two standalone tools is to allow an oem to encrypt authentication keys in a file and send to a packmaker. the packmaker can then use this file as the data source for bqkeyprogrammer to program the key(s) into a gauge. the key will not be visible to the packmaker.

features

supports multiple ti gauge devices that support authentication

supports sha1, sha256, and ecc key packaging depending on the device

keeps key hidden from packmaker for additional security in the manufacturing process

requires ev2300, ev2400 or mkst-3p-alt-ev2300

overview

bq78350 family of gauges firmware is a firmware-only release that can be flashed onto any existing bq78350 hardware (such as the bq78350, bq78350-r1, bq78350-r2, … devices). the firmware incorporates the cedv li-ion and lifepo4 battery management controller to create a pack-based solution that provides a rich array of features for gas gauging, protection, authentication, and monitoring using the companion bq769x0 family of analog front end (afe) protection devices for upto 15-series cell li-ion and li-polymer battery packs.

the bq78350-r1a device offers optional led or lcd display configurations for capacity reporting. it also makes data available over its smbus 1.1 interface. battery history and diagnostic data is also kept within the device in non-volatile memory and is available over the same interface.

features

the bq78350-device-fw firmware is usable on any previous version of the bq78350 hardware. refer the release notes for more information.

description

the r1b version of bq28z610-device-fw is a firmware (fw) upgrade for the bq78z100 hardware. it is identical to bq28z610-r1. programming the r1b firmware on bq78z100 hardware will effectively convert the bq78z100 to a bq28z610-r1(rev. a). bq28z610-r1 is a highly integrated, accurate, 1-series to 2-series cell gas gauge with protection solution, providing autonomous charger control and cell balancing. this firmware is compatible with bq28z610-r1 hardware. note: this firmware is not compatible with bq28z610 hardware.

features

• autonomous battery charging control, using a dedicated main mode i²c interface
• cell balancing with an internal bypass to optimize battery health
• a high-side protection n-channel fet drive enables serial bus communication during fault conditions
• programmable protection levels for voltage, current and temperature
• support for simultaneous current and voltage sampling
• supports battery trip point (btp) function for windows integration
• sha-1 authentication responder for increased battery pack security
• 400-khz i²c bus communications interface for high-speed programming and data access

overview

bq34z100-device-fw is a firmware-only release that can be flashed onto any existing bq34z100 hardware ( such as the bq34z100, bq34z100-r1, bq34z100-r2, … device ). the firmware incorporates the patented impedance track™ technology to create a pack-based solution for li-ion, pba, nimh, and nicd batteries, and works independently of battery series-cell configurations. batteries from 3 v to 16.7 kv can be easily supported through an external voltage translation circuit that is controlled automatically to reduce system power consumption.

the bq34z100-device-fw device provides several interface options, including an i2c peripheral, an hdq peripheral, one or four direct leds, and an alert output pin. additionally, the bq34z100-device-fw provides support for an external port expander for more than four leds.

features

the bq34z100-device-fw firmware is usable on any previous version of the bq34z100 hardware

overview

the bq27z746-device-fw is a firmware (fw)-only release that can be flashed onto any existing hardware such as bq27z746 product. the firmware incorporates the patented impedance track™ technology to create a pack-based solution that provides a rich array of features for gas gauging, protection, differential battery sensing analog output, and authentication for 1-series cell li-ion and li-polymer battery packs.

using its integrated high-performance analog peripherals, the bq27z746-device-fw firmware enables the device and measures and maintains an accurate record of available capacity, voltage, current, temperature, and other critical parameters in li-ion or li-polymer batteries, and reports this information to the system host controller. the integrated protection provide safety protection against over voltage (ovp), under voltage (uvp), over current in charge/discharge (occ/ocd), short circuit discharge (scd), and battery sensing protections (bcp, bcn, bdp and bdn).

sha-2 authentication, with secure memory for authentication keys, enables identification of genuine battery packs.

bq27z746-device-fw is usable on any previous version of the bq27z746 hardware.

features

supports pack-side gauging including enhanced state of health (soh) algorithm

fast qmax update option based on predicted ocv

sha-256 authentication responder for increased battery pack security

sophisticated charge algorithms:

•   jeita
•     enhanced charging
•     rsoc() charging compensation option

low current modes options:

•     sleep
•     ship
•     shelf
•     shutdown

overview

bq40z50-device-fw is a firmware-only release that can be flashed onto any existing bq40z50 hardware ( such as the bq40z50, bq40z50-r1, bq40z50-r2, … device ). the firmware incorporates the patented impedance track™ technology to create a pack-based solution that provides a rich array of features for gas gauging, protection, and authentication for 1-series, 2-series, 3-series, and 4-series cell li-ion and li-polymer battery packs.

using its integrated high-performance analog peripherals, the bq40z50-device-fw firmware measures and maintains an accurate record of available capacity, voltage, current, temperature, and other critical parameters in li-ion or li-polymer batteries and reports this information to the system host controller over an smbus v1.1 compatible interface. sha-1 authentication, with secure memory for authentication keys, enables identification of genuine battery packs.

features

the bq40z50-device-fw firmware is usable on any previous version of the bq40z50 hardware

the texas instruments bq28z620 device is a highly integrated, accurate, 1-series to 2-series cell gas gauge and protection solution, enabling autonomous charger control and cell balancing.

the bq28z620-device-fw enables autonomous charge control through master mode i2c broadcasts of charging current and voltage information, eliminating software overhead that is typically incurred by the system’s host controller.

the bq28z620-device-fw device provides a fully integrated pack-based solution with a flash programmable custom reduced instruction-set cpu (risc), safety protection, and authentication for 1- to 2-series cell li-ion and li-polymer battery packs.

the bq28z620-device-fw communicates via an i2c compatible interface and combines an ultra-low-power, high-speed ti bqbmp processor, high-accuracy analog measurement capabilities, integrated flash memory, an array of peripheral and communication ports, an n-ch fet drive, and a sha-1 authentication transform responder into a complete, high-performance battery management solution.

features

• autonomous battery charging control, using a dedicated master mode i2c interface
• 400-khz i2c bus communications interface, including a 1.2-v logic level for high-speed programming and data access
• cell balancing with an internal bypass to optimize battery health
• a high-side protection n-ch fet drive enables serial bus communication during fault conditions
• programmable protection levels for voltage, current, and temperature
• support for simultaneous current and voltage sampling
• supports down to 0.5-mω current sense resistor while capable of 1-ma current measurement
• sha-1 authentication responder for increased battery pack security

overview

bqproduction hi-cell software offers a full suite of robust tools to assist with the process of configuring, calibrating, manufacturing and tracking printed circuit boards utilizing ti battery management products. this includes features that allow writing a golden image followed by different types of calibration to provide desired levels of accuracy, writing date of manufacture, writing unique serial numbers, and finally validating limits for calibration parameters to spike out any inconsistencies in material. bqproduction hi-cell software offers three (3) levels of access to allow strict control over the manufacturing process with the assembly line operator only having access to the "start" button. bqproduction hi-cell software supports a single station from a single computer and has inbuilt capability to maintain log files for the processed printed circuit boards.

requires: 

mode of operation dependent: requires 1mv, 1ma accurate external power supplies able to supply current required for calibration.

features

• support for
• uses industry standard motorola srec format golden image programmer
• calibration and test automation
• unique serial number assignment/programming
• supports bq34z100-g1, bq34110, bq78350

is used as a substitute for ev2300. separate installers may be provided for each family of products and build numbers may vary by device family.

limitations: recommended display resolution is 1920x1080 with maximum 125% scaling. the gui may not show password fields and/or buttons may be moved out of the visible area when using other display settings.

overview

singlecellbqproduction offers a full suite of robust tools to assist with the process of configuring, calibrating, manufacturing and tracking printed circuit boards utilizing ti battery battery management products. this includes features that allow writing a golden image followed by different types of calibration to provide desired levels of accuracy and finally validating limits for calibration parameters to spike out any inconsistencies in material. singlecellbqproduction offers three(3) levels of access to allow strict control over the manufacturing process with the assembly line operator only having access to the "start" button. singlecellbqproduction supports 1 station from a single computer and has inbuilt capability to maintain log files for the processed printed circuits boards. the bqmtester hardware is incompatible with some single cell gauges.

operating systems: windows xp, windows 7, windows 10

requires: , precision voltage and current source/sink for calibration.

features

• support for
• control from a graphical user interface
• run 1 station from a single computer
• uses industry standard motorola srec format golden image programmer
• calibration and test automation/programming
• calibration limits filter to detect anomalies

description:

bq-battery-programmer-sw software development kit (sdk) is a collection of robust software command line tools that assist with the process of programming, testing, or assembling packs that use ti battery management products. the executables in this software work with the mkst-3p-alt-ev2300 mks technology alternative for ev2300 communications transceiver. the executables work with a single station but can be extended to multiple stations by using additional software and gui from mks technology inc. . support for multiple stations is not included in this software.

there are multiple executables in the download, usually one per family of products. older products such as bq20xxx and bq30xxx are also supported.  examples using  the c programming language api and python® programming language are provided for custom development.

requirements:

• hardware: mkst-3p-alt-ev2300
• supported operating systems: windows (32 and 64 bits)
• software: microsoft visual studio 2010 c runtime redistributable

features:

• collection of command line executables for windows
• small executable size with few dependencies
• fast programming
• supports bqfs/dffs and srec file formats
• provides c api for custom code development
• callable from other programs for automation
• portable design simplifies deployment
• separately downloadable support software to enable legacy software like bqevsw and advanced-bqmtester to work with mkst-3p-alt-ev2300

getting started:

1. download the software

2. run the installer

3. the executables, c api and python api files can be found in the install location

4. run the command line executable without arguments to get usage help. refer to readme.txt in the install folder for more information and how to get help using the command line.

instructions for bqstudio chemistry database update:

• 1. download the "bqstudio chemistry update zip" file and save with extension *.zip
• 2. connect an impedance track(it) enabled gauge to the pc and open battery management studio(bqstudio). bqstudio must autodetect the gauge. alternatively select impedance track enabled gauge from selection list.
• 3. from bqstudio "help" menu select "update chemistry". when prompted point bqstudio to the downloaded zip file. upon successful update, a confirmation message will be shown.
• 4. for chemistry updaters later than 1090, you must use bqstudio version 1.3.125 build 10 or later. 

instructions for bqevsw chemistry database update:

• run the installer to update the chemistry database used by bq evaluation / bqeasy software