SLUSFV4
August 2024
BQ79758-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device and Documentation Support
4.1
Device Support
4.1.1
Third-Party Products Disclaimer
4.2
Documentation Support
4.2.1
Related Documentation
4.3
Receiving Notification of Documentation Updates
4.4
Support Resources
4.5
Trademarks
4.6
Electrostatic Discharge Caution
4.7
Glossary
5
Revision History
6
Mechanical, Packaging, and Orderable Information
6.1
Package Option Addendum
6.2
Tape and Reel Information
6.3
Mechanical Data
1
Features
AEC-Q100 qualified with the following results:
Device temperature grade 1: –40°C to +125°C ambient operating temperature range
Functional Safety-Compliant
Documentation to aid ISO 26262 system design
Systematic capability up to ASIL D
Hardware capability up to ASIL D
Measure 9 to 18 batteries in series per device, stackable up to 64 devices
Dedicated ADC with typical ±1mV accuracy
Two independent Current Sense ADCs with ±0.1% gain error drift and input range +/-275mV.
Programmable Over Current Detection comparators
Support limp home mode with full redundancy
Integrated post-ADC configurable digital low-pass filters
Supports busbar without affecting measurement accuracy
10 GPIOs for temp sensor/analog/digital/I
2
C controller/SPI controller
Internal cell balancing
Balancing at 300mA
User controlled PWM adjustment cell balancing current
Built-in balancing thermal management with automatic pause and resume control
Robust daisy chain communication and support Ring Architecture
Hardware reset by host simulates POR-like event without battery removal
On chip memory for one time custom programming
Low power mode current <6μA
Compatible with BQ79600-Q1 with SPI/UART interface