SLUUCW4
November 2023
BQ27Z558
1
Description
Features
Applications
5
1
Evaluation Module Overview
1.1
Introduction
1.2
Kit Contents
1.3
Specification
1.4
Device Information
2
Hardware
2.1
Hardware Setup
2.1.1
Hardware Requirements
2.1.2
Connecting the BQ27Z558 Circuit Module to a Battery Pack
2.1.3
EVM Jumpers Description
2.2
Chemical ID
2.2.1
Chemical ID Selection Process Description
2.2.2
Hardware Requirements and Setup
2.2.3
Logging Data in bqStudio
2.2.4
GPCChem Tool
2.2.5
Programming a Chemical ID
2.2.6
Further Resources for Chemical ID Process
2.3
Calibrating Gauge Measurements
2.3.1
Voltage Calibration
2.3.2
Current Calibration
2.4
Learning Cycle and Golden Image
2.4.1
Learning Cycle Process Description
2.4.2
Data Memory Configuration
2.4.3
Learning Cycle Steps
2.4.4
Low Temperature Optimization
2.4.5
Creating the Golden Image File
2.4.6
Programming the Golden Image File
2.5
BQ27Z558-Based Circuit Module
2.5.1
Circuit Module Connections
2.5.2
Pin Description
3
Software
3.1
Software Setup
3.1.1
System Requirements
3.1.2
Software Installation
3.2
Troubleshooting Unexpected Dialog Boxes
3.3
Using bqStudio
3.3.1
Starting the Program
3.3.2
Setting Programmable BQ27Z558 Options
3.4
Gauge Communication
3.4.1
Advanced Communication in bqStudio
3.4.2
Standard Data Commands
3.4.3
Manufacturer Access Commands
3.4.4
Further Resources on Gauge Communication
4
Hardware Design Files
4.1
Schematic
4.2
PCB Layout
4.3
Bill of Material
5
Additional Information
Trademarks
Features
Complete evaluation system for the BQ27Z558 gas gauge with
Impedance Track™
technology
Populated circuit module for quick setup
Personal computer (PC) software that allows configuring and data logging for system analysis
1.2V I/O I
2
C communication