US 11,689,032 B2
Multi-cell battery management device
Anthony Cooper, Kokomo, IN (US); and Vasanth Mithilacody, Bangalore (IN)
Assigned to Green Cubes Technology, LLC, Kokomo, IN (US)
Filed by Green Cubes Technology, LLC, Kokomo, IN (US)
Filed on Jul. 9, 2021, as Appl. No. 17/372,266.
Application 17/372,266 is a division of application No. 16/211,084, filed on Dec. 5, 2018, granted, now 11,063,445, issued on Jul. 13, 2021.
Claims priority of provisional application 62/594,862, filed on Dec. 5, 2017.
Prior Publication US 2021/0336449 A1, Oct. 28, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H02J 7/00 (2006.01); H01M 10/42 (2006.01); G01R 31/382 (2019.01); G01R 31/396 (2019.01)
CPC H02J 7/0016 (2013.01) [G01R 31/382 (2019.01); G01R 31/396 (2019.01); H01M 10/4207 (2013.01); H02J 7/0047 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A method of operating a battery management system processor to achieve voltage balancing, wherein the battery management system processor comprises a data communications circuit connected to a power output terminal of a battery pack, and wherein the battery management processor performs the following steps:
i) obtaining cell voltage, cell current, cell temperature and cell fuse status data for each of a plurality of battery cells by transmitting and receiving via the data communications circuit,
ii) determining desired cell output voltages based on the cell voltage, cell current, cell temperature for each of the plurality of battery cells, and
iii) transmitting desired cell output voltage data to the data communications circuit of each of the plurality of battery cells using the data communications circuit of the battery management system processor; and
wherein the battery management system processor operates to reduce higher cell voltages to match those of lower voltage cells in the battery pack to prevent damage.