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RTQ2071 是供车用摄像模组使用的 PMIC，内含三个 Buck 转换器和一个拥有高 PSRR 的低压差线性稳压器。三个 Buck 转换器之一可承接经由同轴电缆传输的最高 18.5V 电源供应，另外两个 Buck 转换器为低压器件，它们均工作于强制定频 PWM 工作模式。线性稳压器的输出电压可用外接电阻进行设定。各转换器的启停时序可用一只电阻进行设定。其封装为引脚带有凹陷的侧翼可润湿 WETD-VQFN-16L 3x3。
/content/dam/richtek-eds/resources/product-specifications/rtq2/rtq2071-qa/images/circuit/51621xusog.jpg
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<li class="mv5"> 通过 AEC-Q100 Grade 1 认证</li><li class="mv5"> 引脚布置和保护机制是 FMEA 分析的结果</li><li class="mv5"> 3 个 Buck 转换器（HVBuck1/LVBuck2/3）<BR>► 峰值电流模式控制架构<BR>► 2.1MHz 固定工作频率<BR>► 使用频谱扩展和移相技术降低 EMI<BR>► HVBuck1：输入电压范围为 4V~18.5V，输出电压可调，负载能力 2A<BR>► LVBuck2：输入电压范围为 2.7V~5V，输出电压固定，负载能力 1.5A<BR>► LVBuck3：输入电压范围为 2.7V~5V，输出电压固定，负载能力 750mA<BR>► LVBuck2/3 未使用时，相关引脚可浮空</li><li class="mv5"> 低压差线性稳压器（LDO）<BR>► 输入电压范围为 2.7V~5V，负载能力 300mA<BR>► 通过 RSET 引脚可对输出电压进行选择<BR>► PSRR：60dB@100kHz，40dB@1MHz</li><li class="mv5"> 输出选项<BR>► RTQ2071A-QA 之 SEQOUT 输出用于外加电源的时序控制<BR>► RTQ2071B-QA 之 PG 输出用于电源状态指示</li><li class="mv5"> 小尺寸侧翼可润湿 WETD-VQFN-16L 3x3 封装</li>
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<li class="mv5"> 车用摄像模组<BR>► 环视摄像头<BR>► 前视摄像头<BR>► 后视摄像头<BR>► 行车记录仪<BR>► 驾驶员监控系统<BR>► 车厢监视器<BR>► 电子后视镜</li>
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