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给出了一种新型的汽车电压调节器电路结构.该电路的电压调节功能由脉宽调制过程实现,电路芯片的设计采用双极模拟I2L数字混合结构.通过闭环仿真模拟验证了电路原理的正确性,在模拟分析的基础上,对芯片电路的工艺设计和版图设计进行了讨论
A new type of automotive voltage regulator circuit structure is presented.The voltage regulation function of this circuit is realized by pulse width modulation process and the circuit chip is designed by bipolar analog I2L digital hybrid structure.The circuit principle is verified by closed loop simulation On the basis of the simulation analysis, the circuit design and layout of the chip are discussed