SLUUBT4B
June 2018 – June 2025
BQ40Z80
1
Description
Features
4
1
Evaluation Module Overview
1.1
Introduction
1.2
Kit Contents
1.3
Ordering Information
1.4
BQ40Z80 and BQ771807 Circuit Module Performance Specification Summary
2
Hardware
2.1
BQ40Z80EVM Quick Start Guide
2.1.1
Items Needed for EVM Setup and Evaluation
2.1.2
Software Installation
2.1.3
EVM Connections
2.1.4
Update Firmware
2.2
Battery Management Studio
2.2.1
Registers Screen
2.2.2
Setting Programmable bq40z80 Options
2.2.3
Calibration Screen
2.2.3.1
Voltage Calibration
2.2.3.2
Temperature Calibration
2.2.3.3
Current Calibration
2.2.4
Chemistry Screen
2.2.5
Firmware Screen
2.2.5.1
Programming the Flash Memory
2.2.5.2
Exporting the Flash Memory
2.2.6
Advanced Comm SMB Screen
3
Hardware Design Files
3.1
bq40z80EVM Circuit Module Schematic
3.1.1
Precharge
3.1.2
Predischarge
3.1.3
LED Control
3.1.4
Emergency Shutdown
3.1.5
Testing Fuse-Blowing Circuit
3.2
Circuit Module Physical Layouts
3.2.1
Board Layout
3.2.2
bq40z80RevA Schematic
3.3
bq40z80EVM Bill of Materials
4
Additional Information
4.1
Trademarks
5
Related Documentation from Texas Instruments
6
Revision History
Features
Complete evaluation system for the bq40z80EVM Li-Ion Battery Pack Manager Evaluation Module and bq771807 independent overvoltage protection ICs
Populated circuit module for quick setup
Jumpers for configuring multifunction pins
Software that allows data logging for system analysis
2s-7s battery gauging with protection
Supports internal and external cell balancing
Multiple GPIOs and LED support
Protection features include:
Overvoltage and undervoltage
Short circuit in charge and discharge
Charge and precharge timeout
Overtemperature and undertemperaure