Bidirectional active equalization BMS circuit and control method thereof
An active equalization and drive circuit technology, applied in the power supply field, can solve problems such as system efficiency reduction, and achieve the effects of reducing energy loss, improving conversion efficiency, and shortening equalization time.
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[0032] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0033] A bidirectional active equalization BMS circuit, such as figure 1 As shown, it includes a battery pack with n single cells, n identical secondary circuits, a transformer T1, a primary circuit, a control chip U10 and a voltage acquisition circuit. The transformer T1 includes a first tap, a second tap, The primary winding of the third tap and n secondary windings with the first tap, the second tap and the third tap, the second tap is the center tap, the primary winding is connected to the primary circuit, and the n secondary windings Respectively connect one side of n identical secondary circuits, and connect the n single cells in parallel to the other side of the n ...
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Abstract
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