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具有内置专用偏移检测功能的汽车音响用电流反馈4通道功率放大器：TCB502HQ
东芝电子元件及存储装置株式会社今日宣布推出TCB502HQ，这是一款4通道功率放大器IC，将检测输出偏移电压，这是扬声器烧毁的一个因素。量产于2016年12月开始。
为了满足日益增长的对汽车音响音质的要求，新的IC集成了高端高保真音响所采用的电流反馈系统。考虑到乐器或人声的泛音，它防止了声音在较宽带宽范围内的质量下降，保证了一致的声音品质。
新IC还集成了新开发的专用偏移检测电路。它甚至能检测在回放期间输出级产生的偏移，有助于减少场故障，从而有助于确保高可靠性。
- 最大输出功率：
49W×4通道（VCC＝15.2V，RL＝4Ω，最大功率） - 输出噪声电压：45µVrms（BW＝DIN AUDIO）
- 工作电源电压：6～18V（4Ω），6～16V（2Ω）
- 封装：HZIP25-P-1.00F
嵌入式功能和特点
- 高输出，低失真
- 内置静音和待机功能、偏移检测和短路检测
- 6V运行（发动机怠速减速能）
- 一系列保护电路（热、过电压、输出到VCC、输出到GND、输出到输出）
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