1results about How to "Limit current" patented technology

The utility model discloses a battery charging and discharging circuit, including main circuit and control unit, main circuit includes the first series branch that constitutes by first electronic switch, second electronic switch, inductor, first electronic switch, second electronic switch reverse series connection, still including the second series branch that constitutes by controllable switch, first electronic switch anti-parallel first diode, second electronic switch anti-parallel second diode, first series branch, second series branch parallel, main circuit is equipped with current detection unit, first electronic switch, second electronic switch, controllable switch all are controlled in control unit, and current detection unit connects control unit. The utility model discloses a battery system and control method thereof. The utility model can effectively control the charging and discharging current of battery, avoid the damage of device caused by too large current, guarantee the safety of battery and service life.