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家用烟雾探测器

概览

描述

烟雾探测器对于及早发现火灾至关重要,可以为房屋主人提供疏散和呼叫紧急服务的宝贵时间,从而降低人员伤亡风险。 这款家用烟雾探测器配备了高度集成的低功耗模拟前端 (AFE) IC,并且具备所有必需的外围设备和功能,是一款基于光电探测原理的完善的烟雾探测器系统。 它具有参数化功能(例如 LED 电流选择,PGA 增益设置和集成电池测试功能),有助于实现系统的灵活实施。

系统优势:

  • 低功耗 AFE IC 包括光电烟雾探测器所需的所有外围设备。
  • 超低的电流消耗,可实现 10 年以上的电池寿命。
  • 与离散式(分立器件)设计相比,由于物料清单经过成本优化,设计尺寸较小,因而其所需的外部组件非常少。
  • 高度集成的 AFE IC 允许使用两个不同波长的红外二极管/光电探测器,从而提高了精度,并且符合 UL217 标准。
  • 利用引脚数少、成本低的 MCU 和 DataFlash,实现了警报数量、工作时间等数据的非易失性数据存储。
  • 可选配小型低静态电流 (IQ) AC/DC 降压稳压器交流电源。

产品对比

应用

  • 基于光电原理的住宅烟雾探测器

方框图

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Template 2 Sheet.1 Piezo Horn Piezo Horn Piezo Horn EU070 EU070 EU070 AC Mains 85...265VAC AC Mains 85...265VAC AC Mains 85...265VAC 9.6V 9.6V 9.6V Battery 9V (PP3) Battery 9V (PP3) Battery 9V (PP3) HVDD/9V Operation: typ. 5mA in ACTIVE mode, typ. 4uA in SLEEP mode HVDD/9V Operation: typ. 5mA in ACTIVE mode typ. 4uA in SLEEP ... HVDD/9V Operation:typ. 5mA in ACTIVE modetyp. 4uA in SLEEP mode VDD_AFE 9V VDD_AFE 9V VDD_AFE 9V Red LED Red LED Red LED VDD_MCU VDD_MCU VDD_MCU Pushbutton Pushbutton Pushbutton 3 3 3 3 Sheet.54 9V VDD_AFE 9V VDD_AFE 9V VDD_AFE IR PD 1 IR PD 1 IR PD 1 IR LED 1 IR LED 1 IR LED 1 IR LED 2 IR LED 2 IR LED 2 Capacitor Non-polarized Sheet.60 Sheet.61 Sheet.62 Sheet.63 Diode Sheet.65 Sheet.66 Sheet.67 Battery.27 Sheet.69 Sheet.70 Sheet.71 Sheet.72 Sheet.73 Sheet.74 Sheet.75 Sheet.76 Negative Power Rail Line.758 Line.759 Resistor - Fixed Ground - Earth Sheet.82 Sheet.83 Sheet.84 Sheet.85 Ground - Earth.109 Sheet.87 Sheet.88 Sheet.89 Sheet.90 Ground - Earth.114 Sheet.92 Sheet.93 Sheet.94 Sheet.95 Ground - Earth.119 Sheet.97 Sheet.98 Sheet.99 Sheet.100 Ground - Earth.124 Sheet.102 Sheet.103 Sheet.104 Sheet.105 Ground - Earth.129 Sheet.107 Sheet.108 Sheet.109 Sheet.110 Speaker speaker_8_ Sheet.113 Sheet.114 Sheet.115 Sheet.116 Diode - LED Sheet.118 Sheet.119 Sheet.120 Sheet.121 Sheet.122 Darlington.651 Sheet.124 Darlington.254 Resistor - Fixed.158 Resistor - Fixed.159 Diode - LED.160 Sheet.129 Sheet.130 Sheet.131 Sheet.132 Sheet.133 Darlington.651 Sheet.135 Darlington.254 Diode - LED.169 Sheet.138 Sheet.139 Sheet.140 Sheet.141 Sheet.142 Darlington.651 Sheet.144 Darlington.254 Sheet.146 Sheet.147 Sheet.148 Sheet.149 Sheet.150 Sheet.151 Sheet.152 Sheet.153 Sheet.154 Sheet.155 Sheet.156 Sheet.157 Sheet.158 Sheet.159 Sheet.160 Sheet.161 Sheet.162 Sheet.163 Resistor - Fixed.198 Sheet.165 Sheet.166 Sheet.167 Sheet.168 Sheet.169 Sheet.170 Sheet.171 Sheet.172 Sheet.173 Sheet.174 Sheet.175 Sheet.176 Sheet.177 Sheet.178 Sheet.179 Sheet.180 Sheet.181 Sheet.182 Sheet.183 Sheet.184 Sheet.185 Sheet.186 Sheet.187 Sheet.188 Sheet.189 AC Power Source Sheet.191 Alternating Current Diode.237 Sheet.194 Sheet.195 Sheet.196 Diode.241 Sheet.198 Sheet.199 Sheet.200 Connector 1.177 Connector 1.246 Connector 1.247 VDD_MCU 2.7V VDD_MCU 2.7V VDD_MCU 2.7V RL78/G12 Supply Current: typ. 1.2mA/3.0V (LS Main Mode, 8MHz max. 1.2µ A (STOP MODE) MCU Supply Current: typ. 1.2mA/3.0V (LS Main Mode, 8MHz max. ... MCU Supply Current:typ. 1.2mA/3.0V (LS Main Mode, 8MHz max. 1.2µ A (STOP MODE) Connector 1.250 Connector 1.251 4 4 4 4 Sheet.210 Connector 1.263 Connector 1.264 Diode - LED.266 Sheet.214 Sheet.215 Sheet.216 Sheet.217 Sheet.218 Darlington.651 Sheet.220 Darlington.254 IR PD 2 IR PD 2 IR PD 2 Diode LED Red.277 Sheet.224 Sheet.225 Sheet.226 Sheet.227 Darlington.651 Sheet.229 Darlington.254 Sheet.231 Sheet.232 Buck Regulator Buck Regulator Buck Regulator Sheet.234 MCU 20-Pin SSOP 4kB Flash 0.5Kb RAM 2kB Dada Flash MCU 20-Pin SSOP 4kB Flash 0.5Kb RAM 2kB Dada Flash MCU20-Pin SSOP 4kB Flash 0.5Kb RAM 2kB Dada Flash VDD VDD VDD GPIO GPIO GPIO SPI SPI SPI GPIO GPIO GPIO GPIO GPIO GPIO GPIO GPIO GPIO INTP INTP INTP GPIO GPIO GPIO GPIO GPIO GPIO GPIO GPIO GPIO VSS VSS VSS Sheet.235 Analog Front-End (AFE) Analog Front-End (AFE) Analog Front-End (AFE) HVDD HVDD HVDD VMCU VMCU VMCU SPI SPI SPI LED1EN LED1EN LED1EN LED2EN LED2EN LED2EN PD_SEL PD_SEL PD_SEL AFE_EN AFE_EN AFE_EN AFE_READY AFE_READY AFE_READY HORN_DIS HORN_DIS HORN_DIS BATT_SEL BATT_SEL BATT_SEL DGND DGND DGND AGND AGND AGND HGND HGND HGND Horn_Driver Horn_Driver Horn_Driver VSMKHORN VSMKHORN VSMKHORN ADC_IN ADC_IN ADC_IN PHOTO_OUT PHOTO_OUT PHOTO_OUT PD2N PD2N PD2N PD12P PD12P PD12P PD1N PD1N PD1N LED2 LED2 LED2 LED1 LED1 LED1 VBATT VBATT VBATT
https://labonthecloud.renesas.com/free-pass/Household-Smoke-Detector/35
Exiting Interactive Block Diagram

视频和培训

Lab On The Cloud Demonstration for Household Smoke Detector Solution

Demonstration of Renesas’ Lab on the Cloud virtual environment for the Household Smoke Detector Solution.