发明名称 |
OVERCURRENT PROTECTION FOR CLASS D POWER AMPLIFIER |
摘要 |
<p>In an aspect of the disclosure, a class D power amplifier with an overcurrent protection (OCP) circuit is provided. The class D power amplifier includes a plurality of output transistors, and the OCP circuit is mirrored to at least one output transistor of the plurality of output transistors in a closed-loop feedback configuration for precisely controlling a sensing current of the OCP circuit with respect to an output current of the at least one output transistor. The class D power amplifier with the OCP circuit in the closed-loop feedback configuration mitigates a variation in a current threshold value for triggering interruption of the class D power amplifier.</p> |
申请公布号 |
WO2013162836(A1) |
申请公布日期 |
2013.10.31 |
申请号 |
WO2013US34965 |
申请日期 |
2013.04.02 |
申请人 |
QUALCOMM INCORPORATED |
发明人 |
FEI, HAIBO;SIENKO, MATTHEW D.;HUANG, CHENLING |
分类号 |
H03F3/217;H03F1/52 |
主分类号 |
H03F3/217 |
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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