基于功率晶体管温度测量的音频放大器保护

2004 IEEE International Solid-State Circuits Conference (IEEE Cat. No.04CH37519) Pub Date : 2004-09-13 DOI:10.1109/ISSCC.2004.1332750

B. Krabbenborg

引用次数: 7

摘要

采用基于功率晶体管温度测量的保护电路实现了一种音频放大器集成电路。与基于电流或电压的测量相比，这种方法提供了最佳的保护，不受电源电压(9-28V)、负载(2-16/spl ω / BTL)、环境温度和散热的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Protection of audio amplifiers based on temperature measurements in power transistors

An audio amplifier IC has been realized with protection circuitry based directly upon power-transistor temperature measurements. In contrast to current- or voltage-based measurements, this method gives optimal protection independent of supply voltage (9-28V), load (2-16/spl Omega/ BTL), ambient temperature and heat sinking.

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来源期刊

2004 IEEE International Solid-State Circuits Conference (IEEE Cat. No.04CH37519)

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