BQ27320EVM-766

bq27320 System-Side Fuel Gauge with Integrated LDO Evaluation Module

BQ27320EVM-766

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Overview

The Texas Instruments bq27320 system-side li-ion battery fuel gauge is a microcontroller peripheral that provides fuel gauging for single-cell li-ion battery packs. The device requires minimal system microcontroller firmware development. The bq27320 uses the compensated end-of-discharge voltage gas gauging algorithm for fuel gauging, and provides information such as remaining battery capacity, state-of-charge, run-time to empty, battery voltage, temperature and state of heatlh.

Features
  • Extremely simple setup and configuration
  • Chemistry parameters can be self-tuned by customer without needing TI's support
  • Configurable interrupts save system power and frees up host from continuous polling

External temperature thermistor NOT included

Battery fuel gauges
BQ27320 Single cell pack/System-side CEDV battery fuel (gas) gauge
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Evaluation board

BQ27320EVM-766 — bq27320 System-Side Fuel Gauge with Integrated LDO Evaluation Module

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Software programming tool

BQ-PRODUCTION-SINGLE-CELL-SW — Production software for single cell battery fuel (gas) gauges

Supported products & hardware
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BQ-PRODUCTION-SINGLE-CELL-SW Production software for single cell battery fuel (gas) gauges

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Latest version
Version: 3.0.2
Release date: 30 Nov 2022

Single Cell bqProduction software for bq27320

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Single Cell bqProduction software for bq27z561

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Products
Battery fuel gauges
BQ27320 Single cell pack/System-side CEDV battery fuel (gas) gauge BQ27Z561 Impedance Track™ integrated circuit gas gauge solution for 1-series BQ27Z561-R1 Impedance Track™ battery gas gauge solution for 1-series cell Li-ion battery packs BQ27Z561-R2 Impedance track battery gas gauge solution for 1-series cell li-ion battery packs
Hardware development
Evaluation board
BQ27320EVM-766 bq27320 System-Side Fuel Gauge with Integrated LDO Evaluation Module BQ27Z561EVM-011 BQ27Z561 1S-cell programmable battery manager Evaluation module

Documentation

Release Infomation

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: MKST-3P-ALT-EV2300 (MKS-SAI-001), Precision voltage and current source/sink for calibration.

Features

  • Support for MKST-3P-ALT-EV2300
  • 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

What's new

  • Support for BQ27Z561 as a target
  • Support for MKST-3P-ALT-EV2300 as the USB interface board
  • Separate installers for BQ27320 and BQ27z561
TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* EVM User's guide bq27320 Evaluation Module User's Guide 02 Mar 2016
Certificate BQ27320EVM-766 EU Declaration of Conformity (DoC) 02 Jan 2019

Related design resources

Software development

APPLICATION SOFTWARE & FRAMEWORK
BQSTUDIO Battery Management Studio (bqStudio) Software

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