Invention Grant
- Patent Title: Thermal feedback for switch mode amplification
- Patent Title (中): 开关模式放大的热反馈
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Application No.: US12909262Application Date: 2010-10-21
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Publication No.: US08447050B2Publication Date: 2013-05-21
- Inventor: John L. Melanson , Xiaofan Fei , Johann G. Gaboriau , Steven Green , Jason P. Rhode , Eric Walburger , Wilson E. Taylor, Jr.
- Applicant: John L. Melanson , Xiaofan Fei , Johann G. Gaboriau , Steven Green , Jason P. Rhode , Eric Walburger , Wilson E. Taylor, Jr.
- Applicant Address: US TX Austin
- Assignee: Cirrus Logic, Inc.
- Current Assignee: Cirrus Logic, Inc.
- Current Assignee Address: US TX Austin
- Agent Steven Lin, Esq.
- Main IPC: H03F99/00
- IPC: H03F99/00 ; H03F3/38
Abstract:
A thermal sensor at the output of a switching amplifier senses heat dissipation at the output switch. If an overheating condition is sensed, gain of the digital input signal is lowered to reduce output power of the audio output signal.
Public/Granted literature
- US20110075723A1 Thermal Feedback for Switch Mode Amplification Public/Granted day:2011-03-31
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