The chemistry updater installer contains data used by the bqEvaluation / bqEVSW / bqEASY tool for selecting the correct or closest chemical identification file for your battery pack.
The battery management studio (bqStudio) chemistry update zip file contains data used by bqStudio for selecting the correct or closest chemical identification file for your battery pack. The latest bqStudio chemistry update zip file may require an updated version of bqStudio. Older versions of bqStudio may only be compatible with an older version of the chemistry update zip file. Please read the release notes on the battery management studio (bqStudio) and chemistry updater download pages for information.
Gas Gauge Chemistry Updater installer(Windows only) for bq Evaluation/bqEasy
Use this file with Battery Management Studio (bqStudio) Help menu to import the latest chemistries.
Gas gauge Chemistry updater Documentation
The Gas Gauge Chemistry Updater contains new chemistry IDs that have been characterized.
Please refer to the Chemistry ID history for the list of Chemistry IDs added in this release.| Important Note: The latest chemistry updater for bqStudio requires bqStudio 1.3.86 or higher. |
Instructions for bqStudio Chemistry database update:
Instructions for bqEVSW Chemistry database update:
Technical Reference Manual
User Guide
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:
Low current modes options:
| Top documentation | Type | Title | Format options | Date |
|---|---|---|---|---|
| User guide | Update the Chemistry DB in bqEVSW, bqEasy and Batt. Mgmt. Studio (bqStudio) | Apr 15, 2020 |
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