Protection control method of low-capacity high-power lithium battery pack
A lithium battery pack, protection and control technology, applied to battery circuit devices, emergency protection circuit devices, collectors, etc., can solve problems such as inability to guarantee consistency and tediousness
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[0025] The block diagram of the dynamic equalization circuit is as follows: figure 1 Shown: The system uses a microprocessor as the core of the control circuit. By sampling the voltage of each single battery, it judges its changing state, controls the state of each shunt circuit, and realizes dynamic balance.
[0026] The control method is completed by software, which realizes the flexibility of use. According to different single batteries and different use environments, optimize the balance control.
[0027] This system uses FreeScale's microprocessor MC9S08 as the core control element to complete voltage collection, calculation, control output and other functions. It has the characteristics of precise control and easy expansion. The chip has 10 channels 10bitA / D, 8KB Flash, and 28 IOs, which meet the system design requirements. Chip block diagram as figure 2 .
[0028] Since the control system is always connected to the battery pack system, low power consumption must be...
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