发明名称 |
ADAPTIVE ELECTROSTATIC DISCHARGE (ESD) PROTECTION OF DEVICE INTERFACE FOR LOCAL INTERCONNECT NETWORK (LIN) BUS AND THE LIKE |
摘要 |
Adaptive electrostatic discharge (ESD) protection of a device interface has very good ESD robustness when it is handled or when installed into or removed from a system. And has robust immunity to DPI, electromagnetic interference (EMI) and the like, when it is operational in a system. There is a significant capacitive coupling between the drain and gate of a ESD protection metal oxide semiconductor (MOS) device to enhance ESD protection and lower snap back voltage thereof whenever there is no (or a low level) DPI on the external connection to be protected. Whereupon when a significant DPI/EMI signal is detected on the external connection, the capacitive coupling between the drain and gate of the MOS ESD protection device is disconnected, bypassed or attenuated so that DPI/EMI immunity of the device is enhanced. |
申请公布号 |
WO2009067672(A3) |
申请公布日期 |
2009.07.09 |
申请号 |
WO2008US84362 |
申请日期 |
2008.11.21 |
申请人 |
MICROCHIP TECHNOLOGY INCORPORATED;DEVAL, PHILIPPE;BESSEUX, PATRICK;YACH, RANDY |
发明人 |
DEVAL, PHILIPPE;BESSEUX, PATRICK;YACH, RANDY |
分类号 |
H02H9/04;H01L27/02 |
主分类号 |
H02H9/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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