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Product Spec Banner
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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。
RTQ2071-QA 电路图
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<div class="spec-list"><ul class="lv1"><li>通过 AEC-Q100 Grade 1 认证 </li><li>引脚布置和保护机制是 FMEA 分析的结果 </li><li>3 个 Buck 转换器（HVBuck1/LVBuck2/3） <ul class="lv2"> <li></li><li>峰值电流模式控制架构 </li><li>2.1MHz 固定工作频率 </li><li>使用频谱扩展和移相技术降低 EMI </li><li>HVBuck1：输入电压范围为 4V~18.5V，输出电压可调，负载能力 2A </li><li>LVBuck2：输入电压范围为 2.7V~5V，输出电压固定，负载能力 1.5A </li><li>LVBuck3：输入电压范围为 2.7V~5V，输出电压固定，负载能力 750mA </li><li>LVBuck2/3 未使用时，相关引脚可浮空 </li></ul> </li><li>低压差线性稳压器（LDO） <ul class="lv2"> <li></li><li>输入电压范围为 2.7V~5V，负载能力 300mA </li><li>通过 RSET 引脚可对输出电压进行选择 </li><li>PSRR：60dB@100kHz，40dB@1MHz </li></ul> </li><li>输出选项 <ul class="lv2"> <li></li><li>RTQ2071A-QA 之 SEQOUT 输出用于外加电源的时序控制 </li><li>RTQ2071B-QA 之 PG 输出用于电源状态指示 </li></ul> </li><li>小尺寸侧翼可润湿 WETD-VQFN-16L 3x3 封装 </li></ul></div>
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RTQ2071-QA 订购信息
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<div class="spec-list"><ul class="lv1"><li>车用摄像模组 <ul class="lv2"> <li></li><li>环视摄像头 </li><li>前视摄像头 </li><li>后视摄像头 </li><li>行车记录仪 </li><li>驾驶员监控系统 </li><li>车厢监视器 </li><li>电子后视镜 </li></ul> </li></ul></div>
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