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1. Voltage protection: overcharge, over discharge, which depends on the battery material and change, this seems simple, but the details of the point of view, or have experienced knowledge.
2. Current protection: it is mainly reflected in the working current and over-current so that the switch MOS disconnect to protect the battery pack or load.
3. Short-circuit protection: strictly speaking, he is a voltage comparison of the type of protection, that is to say with the voltage comparison directly off or drive, do not go through the excess treatment.
4. Temperature protection: generally used in smart batteries, is also essential. But often it will always bring another perfect lack of perfection. We mainly detect the battery temperature to disconnect the main switch to protect the battery itself or load.
5.MOS protection: mainly MOS voltage, current and temperature. Of course, is involved in the selection of MOS tube.
6. Since the power consumption, this parameter is as small as possible, the ideal state is zero, but it is impossible to do this.
7. Equilibrium: Equilibrium This is the focus of this article's discussion. At present, the most common way of equilibrium is divided into two kinds, one is energy-consuming, the other is the energy type.