TIDUFD0
August 2025
1
Description
Resources
Features
Applications
6
1
System Description
2
System Overview
2.1
Block Diagram
2.2
Design Considerations
2.2.1
Wireless Hardware Configurations
2.2.2
Auxiliary Power Strategy
2.2.3
Thermistor Multiplexer
2.2.4
Cell Balancing
2.3
Highlighted Products
2.3.1
CC2662R-Q1
2.3.2
BQ78706
2.3.3
TMUX1308
2.3.4
LM5168
2.3.5
TMP61
3
Hardware, Software, Testing Requirements, and Test Results
3.1
Hardware Requirements
3.2
Software Requirements
3.3
Test Setup
3.4
Test Results
3.4.1
Network Performance
3.4.1.1
Network Initiation
3.4.1.2
Network Latency
3.4.1.3
PDR, PS
3.4.1.4
Low-Power Mode
3.4.2
Cell Voltage Accuracy
3.4.3
Temperature Sensing Using TMP61
3.4.4
Thermistor Multiplexer Timing
3.4.5
Current Consumption
4
Design and Documentation Support
4.1
Design Files
4.1.1
Schematics
4.1.2
BOM
4.1.3
Layout Prints
4.2
Tools and Software
4.3
Documentation Support
4.4
Support Resources
4.5
Trademarks
5
About the Author
Features
±2.4mV voltage accuracy at 2V < cell voltage < 4V, –40°C to 125°C without calibration
Full cell-temperature sensing with multiplexer (MUX)
Robust wireless communication with functional safety-rated protocol
Robust and programmable battery cell and pack protection
32μA current consumption in keep-alive mode
Compatible with bus bar or no bus bar connection