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V & V BMS

BMS Board Rev. 1 Engineering Change Notice

Description

BQ76952, description updated May 27, 2022

Datasheet: https://www.ti.com/lit/ds/symlink/bq76952.pdf?ts=1653598625641&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FBQ76952 - For details on the hardware device features and electrical specifications

• Sample application:

![](<https://spacesys.utat.ca/confluence/download/attachments/41648969/sdas.png?version=1&modificationDate=1653609227428&api=v2>)

recommends: see appendix

• Protection features:
• Cell Undervoltage ProtectionCell Overvoltage ProtectionCell Overvoltage Latch ProtectionOvercurrent in Charge ProtectionOvercurrent in Discharge Protection (three tiers)Overcurrent in Discharge Latch ProtectionShort Circuit in Discharge ProtectionShort Circuit in Discharge Latch ProtectionUndertemperature in Charge ProtectionUndertemperature in Discharge ProtectionInternal Undertemperature ProtectionOvertemperature in Charge ProtectionOvertemperature in Discharge ProtectionInternal Overtemperature ProtectionFET Overtemperature ProtectionPrecharge Timeout Protection • Host Watchdog Fault Protection
• Permanent fails: secondary protection

Technical Reference Manual: https://www.ti.com/lit/ug/sluuby2b/sluuby2b.pdf?ts=1653527496756 - ) discusses the ****modules and peripherals of the BQ76952 device, and how each is used to build a complete battery pack monitor and protection solution.

Reference design: https://www.ti.com/tool/TIDA-010208