Invention Grant
- Patent Title: Output driver with back-powering prevention
- Patent Title (中): 输出驱动器，防止背面电源
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Application No.: US14631347Application Date: 2015-02-25
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Publication No.: US09484911B2Publication Date: 2016-11-01
- Inventor: Wilson Jianbo Chen , Chiew-Guan Tan , Reza Jalilizeinali
- Applicant: QUALCOMM Incorporated
- Applicant Address: US CA San Diego
- Assignee: QUALCOMM Incorporated
- Current Assignee: QUALCOMM Incorporated
- Current Assignee Address: US CA San Diego
- Agency: Haynes and Boone, LLP
- Main IPC: H03K3/01
- IPC: H03K3/01 ; H03K17/26 ; H03K17/18
Abstract:
A back-power prevention circuit is provided that protects a buffer transistor from back-power during a back-power condition by charging a signal lead coupled to a gate of the buffer transistor to a pad voltage and by charging a body of the buffer transistor to the pad voltage.
Public/Granted literature
- US20160248418A1 OUTPUT DRIVER WITH BACK-POWERING PREVENTION Public/Granted day:2016-08-25
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