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| 一款CAN总线收发器芯片的电路设计 | |
| 引用本文： | 唐兴刚,贺克军,王丽,李传南.一款CAN总线收发器芯片的电路设计[J].微电子学与计算机,2011,28(5):125-129. |
| 作者姓名： | 唐兴刚 贺克军 王丽 李传南 |
| 作者单位： | 1. 华东光电集成器件研究所,江苏,苏州,215163;集成光电子国家重点联合实验室吉林大学实验区,吉林大学电子科学与工程学院,吉林,长春,130012 2. 华东光电集成器件研究所,江苏,苏州,215163 3. 集成光电子国家重点联合实验室吉林大学实验区,吉林大学电子科学与工程学院,吉林,长春,130012 |
| 摘 要： | 文中完成一款应用于CAN总线的收发器芯片的电路设计.重点阐述了该收发器芯片的功能框图及其工作原理,特别是接收模块和过压保护的设计.该电路采用5V电源,驱动总线负载为R=60Ω、C=200pF.仿真结果表明该电路工作时的平均电流为35.7mA,电路总的延迟时间为160ns,具有较好的过压保护功能,可应用于高速CAN总线通讯中. |
| 关 键 词： | CAN总线 收发器 过压保护 迟滞比较器 |
Design for a Transceiver Apply to CAN BUS |
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| TANG Xing-gang,HE Ke-jun,WANG Li,LI Chuan-nan.Design for a Transceiver Apply to CAN BUS[J].Microelectronics & Computer,2011,28(5):125-129. | |
| Authors: | TANG Xing-gang HE Ke-jun WANG Li LI Chuan-nan |
| Affiliation: | TANG Xing-gang1,2,HE Ke-jun1,WANG Li1,LI Chuan-nan2(1 East China Institute of Photo-electronic,Suzhou 215163,China,2 State Key Laboratory On Integrated Optoelectronics,College of Electronics Science and Engineering,Jilin University,Changchun 130012,China) |
| Abstract: | In this paper,a transceiver for CAN bus is designed.The functional diagram and the designation on over-voltage protection and receiver module of this transceiver are principally introduced.The power supply of this chip is 5V,and this chip can drive a load such as 60Ω resistance and 200pF capacitance.Simulations show that its average current is 35.7mA and the total delay is 160ns when the circuit works.With the good performance of over-voltage protection,this circuit can be applied in the communication of high-speed CAN bus. |
| Keywords: | CAN BUS transceiver over-voltage protection comparator with hysteresis |
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