Adaptive thermal overshoot and current limiting protection for MOSFETs
AssigneeTexas Instruments Incorporated
InventorsQingjie Ma, Wei Xu, Jingwei Xu, Yang Wang
Life of this patent
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AssigneeTexas Instruments Incorporated
InventorsQingjie Ma, Wei Xu, Jingwei Xu, Yang Wang
Estimating the term…
In a described example, an apparatus includes: a first metal oxide semiconductor field effect transistor (MOSFET) coupled between a first input terminal for receiving a supply voltage and an output terminal for coupling to a load, and having a first gate terminal; an enable terminal coupled to the first gate terminal for receiving an enable signal; a first current mirror coupled between the first input terminal and a first terminal of a first series resistor and having an input coupled to the first gate terminal; and a second MOSFET coupled between the first gate terminal and the output terminal, and having a second gate terminal coupled to the first terminal of the first series resistor, the first series resistor having a second terminal coupled to the output terminal.
A process comprising:
Dependencies are inferred from the claim text.