Charge and discharge protector composed of BQ2058T

Relevant key device information applied in this article: BQ2058 BQ2058T/X is specially used for the series combination of lithium-ion batteries. Among them, BQ2058T can realize the series connection of two lithium-ion batteries, and BQ2058X can realize the series connection of 3 or 4 lithium-ion batteries. The extremely low operating current prevents the lithium-ion battery pack from over-discharging during storage and does not increase the effective discharge load of the system. Inside the lithium-ion battery pack, BQ2058T/X is part of the low-loss charge and discharge control and protection system . The charge and discharge protector composed of BQ2058T is shown in the figure below