发明名称 |
System and method for current limiting a DC-DC converter |
摘要 |
A DC-DC voltage converter has a pair of switching transistors to provide an output voltage and are alternately switched in a boost mode of operation responsive to control signals. An inductor is connected to the pair of switching transistor and has an inductor current flowing there through. A current sensor monitors an input current and generates a current sense signal responsive thereto. Control circuitry generates the control signals to the second pair of switching transistors responsive to the current sense signal, the output voltage and a current limit signal, wherein when the current limit signal indicates the inductor current exceeds a current limit the control signals configure the pair of switching transistors to decrease the inductor current.
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申请公布号 |
US8334683(B2) |
申请公布日期 |
2012.12.18 |
申请号 |
US201113052820 |
申请日期 |
2011.03.21 |
申请人 |
HUANG CONGZHONG;CHEN SICHENG;WU XUELIN;INTERSIL AMERICAS INC. |
发明人 |
HUANG CONGZHONG;CHEN SICHENG;WU XUELIN |
分类号 |
G05F1/44 |
主分类号 |
G05F1/44 |
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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