借助输出电压采样和霍尔元件，设计了电流、电压反馈电路，形成了闭环控制系统。

A closed loop control system is formed by current and Voltage feedback system by means of HALL sensor and potentiometer.

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电流在反馈电阻上产生的电压超出设定值时，IR 2132启动内部保护电路，关断输出通道，实现电流保护。

When the voltage on the feedback resistance over the designed value, the inside protection circuit was operated and the output channels were cut in IR2132 to achieve current protection.

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通过分析电流串联负反馈对电路的噪声影响，给出该反馈电路的低噪声化条件。

By analyzing the series electric circuit negative feedback conditions to reduce its noise effect are proposed.

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