Haynes and Boone, LLP
Short circuit and soft short protection for data interface charging
A switching power converter is provided that communicates with a mobile device to receive a value of a load detection current. The switching power converter adjusts the cycling of a power switch until a constant current mode of operation is entered with a known output current driving the mobile device. The switching power converter subtracts the load current from the output current to measure a soft-short circuit current.
DIALOG SEMICONDUCTOR INC.
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Jianming Yong Cong Kai-Wen Fuqiang David
Yao Li Zheng Chin Shi Nguyen