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	<title>MEMS气流传感器方案板 &#8211; KOOM孔科官网</title>
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		<title>换弹式MEMS气流传感器解决方案板KCP9328A</title>
		<link>https://koom.com.cn/products/kcp9328a/</link>
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		<pubDate>Tue, 26 Mar 2024 06:25:47 +0000</pubDate>
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					<description><![CDATA[KCP9328A 是一款基于<strong>MEMS气流传感器的电子烟PCBA 方案控制板</strong>，它由充电输入接口和电子烟硅麦控制模块两大部分组成。电子部件由气流传感器、智能处理模块、控制模块、执行模块、充电管理模块、锂离子电池控制模块构成，经由针对人体吸烟动作或者检测，使用LED 灯模拟烟火状态。]]></description>
										<content:encoded><![CDATA[<h2 style="text-align: center;"><strong><b>产品概述</b></strong></h2>
<p>★ 使用MEMS气流传感器，吸阻稳定，性能可靠，防油性强</p>
<p>★ 最低可以驱动0.8欧阻值发热丝</p>
<p>★ 采用专业芯片设计，透过 PWM 模块控制 LED 灯指示工作状态</p>
<p>★ 安全模块：内部集成有充电控制电路，该电路具备多模式（涓流，恒流，恒压）充电过程，充电性能优越，并且具有电池保护功能，当锂电池电压&lt;2.7V 为涓流充电，可保护电池；当电池电压充至2.7V 以上时，开始大电流充电，当电池电压接近4.2V 时，充电电流逐步下降，进入恒压，直至4.2V 时充电停止；支持多种 AC-DC 和 USB 等 TYPE-C 充电设备。</p>
<p>★ 保护模块：欠压保护模块(UVLO)，过温保护模块(OTP)，AT 驱动端口过流保护，短路保护功能（SCP）的控制模块以及锂电池保护模块，长时间吸烟保护，充电过温保护等。</p>
<h2 style="text-align: center;"><strong><b>极限参数</b></strong></h2>
<table>
<tbody>
<tr>
<td width="264"><strong>参数</strong></td>
<td width="85"><strong>符号</strong></td>
<td width="179"><strong>值</strong></td>
<td width="122"><strong>单位</strong></td>
</tr>
<tr>
<td width="264"><strong>电源电压</strong></td>
<td width="85">V<sub>DD</sub></td>
<td width="179">-0.3 to 8</td>
<td width="122">V</td>
</tr>
<tr>
<td width="264"><strong>充电电压</strong></td>
<td width="85">V<sub>CC</sub></td>
<td width="179">-0.3 to 8</td>
<td width="122">V</td>
</tr>
<tr>
<td width="264"><strong>AT端输出电流</strong></td>
<td width="85">I<sub>AT</sub></td>
<td width="179">7</td>
<td width="122">A</td>
</tr>
<tr>
<td width="264"><strong>输出带载</strong></td>
<td width="85">Rload</td>
<td width="179">0.8</td>
<td width="122">Ω</td>
</tr>
</tbody>
</table>
<h2 style="text-align: center;"><strong><b>性能参数</b></strong></h2>
<table>
<tbody>
<tr>
<td width="11.9600%"><strong>符号</strong></td>
<td width="22.5200%"><strong>参数</strong></td>
<td width="25.0200%"><strong>条件</strong></td>
<td width="10.1200%"> <strong>最小</strong></td>
<td width="10.1400%"><strong>典型</strong></td>
<td width="10.1600%"><strong>最大</strong></td>
<td width="10.1000%"><strong> 单位</strong></td>
</tr>
<tr>
<td width="11.9600%"><strong>P</strong></td>
<td width="22.5200%">操作气压</td>
<td width="25.0200%"></td>
<td width="10.1200%">-100</td>
<td width="10.1400%">-150</td>
<td width="10.1600%">-300</td>
<td width="10.1000%">Pa</td>
</tr>
<tr>
<td width="11.9600%"><strong>VDD</strong></td>
<td width="22.5200%">工作电压</td>
<td width="25.0200%"></td>
<td width="10.1200%">3.05</td>
<td width="10.1400%">&#8211;</td>
<td width="10.1600%">4.3</td>
<td width="10.1000%">V</td>
</tr>
<tr>
<td width="11.9600%"><strong>Vuvlo</strong></td>
<td width="22.5200%">低压检测阈值</td>
<td width="25.0200%">VDD从高到低</td>
<td width="10.1200%">2.95</td>
<td width="10.1400%">3.05</td>
<td width="10.1600%">3.15</td>
<td width="10.1000%">V</td>
</tr>
<tr>
<td width="11.9600%"><strong>Iq</strong></td>
<td width="22.5200%">静态电流</td>
<td width="25.0200%">省电模式</td>
<td width="10.1200%">&#8211;</td>
<td width="10.1400%">2.2</td>
<td width="10.1600%">5</td>
<td width="10.1000%">uA</td>
</tr>
<tr>
<td width="11.9600%"><strong>Rdson</strong></td>
<td width="22.5200%">开关管导通阻抗</td>
<td width="25.0200%">IAT=1A</td>
<td width="10.1200%">&#8211;</td>
<td width="10.1400%">70</td>
<td width="10.1600%">&#8211;</td>
<td width="10.1000%">mΩ</td>
</tr>
<tr>
<td width="11.9600%"><strong>Iled</strong></td>
<td width="22.5200%">LED输出电流</td>
<td width="25.0200%"></td>
<td width="10.1200%">&#8211;</td>
<td width="10.1400%">5</td>
<td width="10.1600%">&#8211;</td>
<td width="10.1000%">mA</td>
</tr>
<tr>
<td width="11.9600%"><strong>RS</strong></td>
<td width="22.5200%">短路保护阈值</td>
<td width="25.0200%"></td>
<td width="10.1200%">&#8211;</td>
<td width="10.1400%">0.4</td>
<td width="10.1600%">&#8211;</td>
<td width="10.1000%">Ω</td>
</tr>
<tr>
<td width="11.9600%"><strong>VAT</strong></td>
<td width="22.5200%">恒定平均值电压输出</td>
<td width="25.0200%">VDD=4.2V,输出空载</td>
<td width="10.1200%">&#8211;</td>
<td width="10.1400%">3.60</td>
<td width="10.1600%">&#8211;</td>
<td width="10.1000%">V</td>
</tr>
<tr>
<td width="11.9600%"><strong>Rload</strong></td>
<td width="22.5200%">输出带载</td>
<td width="25.0200%"></td>
<td width="10.1200%">0.8</td>
<td width="10.1400%">&#8211;</td>
<td width="10.1600%">&#8211;</td>
<td width="10.1000%">Ω</td>
</tr>
<tr>
<td width="11.9600%"><strong>Dmin</strong></td>
<td width="22.5200%">最小导通占空比</td>
<td width="25.0200%">VDD=4.2V</td>
<td width="10.1200%">&#8211;</td>
<td width="10.1400%">88</td>
<td width="10.1600%">&#8211;</td>
<td width="10.1000%">%</td>
</tr>
<tr>
<td width="11.9600%"><strong>TSMOKE</strong></td>
<td width="22.5200%">吸烟超时</td>
<td width="25.0200%"></td>
<td width="10.1200%">&#8211;</td>
<td width="10.1400%">10</td>
<td width="10.1600%">&#8211;</td>
<td width="10.1000%">S</td>
</tr>
<tr>
<td width="11.9600%"><strong>VCC</strong></td>
<td width="22.5200%">充电输入电压</td>
<td width="25.0200%"></td>
<td width="10.1200%">4.5</td>
<td width="10.1400%">5</td>
<td width="10.1600%">5.5</td>
<td width="10.1000%">V</td>
</tr>
<tr>
<td width="11.9600%"><strong>VFLOAD</strong></td>
<td width="22.5200%">浮充门槛电压</td>
<td width="25.0200%"></td>
<td width="10.1200%">4.10</td>
<td width="10.1400%">4.15</td>
<td width="10.1600%">4.20</td>
<td width="10.1000%">V</td>
</tr>
<tr>
<td width="11.9600%"><strong>VTRKL</strong></td>
<td width="22.5200%">涓流转恒流</td>
<td width="25.0200%">VDD从低到高</td>
<td width="10.1200%">&#8211;</td>
<td width="10.1400%">2.8</td>
<td width="10.1600%">&#8211;</td>
<td width="10.1000%">V</td>
</tr>
<tr>
<td width="11.9600%"><strong>ICH</strong></td>
<td width="22.5200%">充电电流</td>
<td width="25.0200%">VCC=5V</td>
<td width="10.1200%">&#8211;</td>
<td width="10.1400%">550</td>
<td width="10.1600%">&#8211;</td>
<td width="10.1000%">mA</td>
</tr>
<tr>
<td width="11.9600%"><strong>ITRIKL</strong></td>
<td width="22.5200%">涓流充电电流</td>
<td width="25.0200%">VCC=5V</td>
<td width="10.1200%">&#8211;</td>
<td width="10.1400%">70</td>
<td width="10.1600%">&#8211;</td>
<td width="10.1000%">mA</td>
</tr>
<tr>
<td width="11.9600%"><strong>TSD</strong></td>
<td width="22.5200%">过热保护阈值</td>
<td width="25.0200%"></td>
<td width="10.1200%">140</td>
<td width="10.1400%">155</td>
<td width="10.1600%">170</td>
<td width="10.1000%">℃</td>
</tr>
</tbody>
</table>
<h2 style="text-align: center;"><strong><b>LED指示状态</b></strong></h2>
<table>
<tbody>
<tr>
<td width="234"><strong><b>工作状态</b></strong></td>
<td width="238"><strong><b>LED</b></strong></td>
</tr>
<tr>
<td width="234">电池上电自检</td>
<td width="238">闪灯 1 下</td>
</tr>
<tr>
<td width="234">正常触发点烟</td>
<td width="238">渐亮</td>
</tr>
<tr>
<td width="234">正常抽烟中</td>
<td width="238">亮</td>
</tr>
<tr>
<td width="234">正常结束点烟</td>
<td width="238">渐灭</td>
</tr>
<tr>
<td width="234">点烟超时</td>
<td width="238">闪灯 2 下</td>
</tr>
<tr>
<td width="234">过流或短路保护</td>
<td width="238">常亮 2 秒</td>
</tr>
<tr>
<td width="234">点烟前电池欠压</td>
<td width="238">闪灯 10 下</td>
</tr>
<tr>
<td width="234">点烟后电池欠压</td>
<td width="238">渐亮</td>
</tr>
<tr>
<td width="234">正常充电</td>
<td width="238">亮</td>
</tr>
<tr>
<td width="234">电池充满</td>
<td width="238">灭</td>
</tr>
<tr>
<td width="234">解除充电（充电器移除）</td>
<td width="238">闪3次</td>
</tr>
</tbody>
</table>
<h2 style="text-align: center;"><strong><b>产品特性</b></strong></h2>
<ul>
<li>使用MEMS气流传感器，性能稳定；</li>
<li>电路有三种工作模式：充电模式、正常工作模式、省电模式；</li>
<li>省电模式下：静态电流＜5μA；</li>
<li>工作电压：2.1V~5.0V；</li>
<li>支持宽电压充电（4.5~6.0V）；</li>
<li>内含过热（OTP）、欠压（UVLO）、短路（SCP）等保护功能；</li>
<li>多种 LED 显示功能；</li>
<li>外围应用电路简单、成本低。</li>
</ul>
<h2 style="text-align: center;"><strong>外形尺寸</strong></h2>
<p><img fetchpriority="high" decoding="async" class="aligncenter wp-image-7507 size-full" src="https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板外形尺寸-孔科20240326.jpg" alt="KCP9328A换弹式电子烟PCBA板外形尺寸 (孔科20240326)" width="1000" height="1110" srcset="https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板外形尺寸-孔科20240326.jpg 1000w, https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板外形尺寸-孔科20240326-270x300.jpg 270w, https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板外形尺寸-孔科20240326-923x1024.jpg 923w, https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板外形尺寸-孔科20240326-768x852.jpg 768w, https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板外形尺寸-孔科20240326-600x666.jpg 600w" sizes="(max-width: 1000px) 100vw, 1000px" /></p>
<h2 style="text-align: center;"><strong>端口定义</strong></h2>
<p><img decoding="async" class="aligncenter wp-image-7508 size-full" src="https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板端口定义-孔科.jpg" alt="KCP9328A换弹式电子烟PCBA板端口定义 (孔科)" width="1000" height="967" srcset="https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板端口定义-孔科.jpg 1000w, https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板端口定义-孔科-300x290.jpg 300w, https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板端口定义-孔科-768x743.jpg 768w, https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板端口定义-孔科-600x580.jpg 600w" sizes="(max-width: 1000px) 100vw, 1000px" /></p>
<h2 style="text-align: center;"><strong>气流方向</strong></h2>
<p><img decoding="async" class="aligncenter wp-image-7509 size-full" src="https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板气流方向-3.jpg" alt="KCP9328A换弹式电子烟PCBA板气流方向 (3)" width="1000" height="337" srcset="https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板气流方向-3.jpg 1000w, https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板气流方向-3-300x101.jpg 300w, https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板气流方向-3-768x259.jpg 768w, https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板气流方向-3-600x202.jpg 600w" sizes="(max-width: 1000px) 100vw, 1000px" /></p>
<h2 style="text-align: center;"><strong>原理图</strong></h2>
<p><img loading="lazy" decoding="async" class="aligncenter wp-image-7510 size-full" src="https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板原理图-4.jpg" alt="KCP9328A换弹式电子烟PCBA板原理图" width="1000" height="307" srcset="https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板原理图-4.jpg 1000w, https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板原理图-4-300x92.jpg 300w, https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板原理图-4-768x236.jpg 768w, https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板原理图-4-600x184.jpg 600w" sizes="(max-width: 1000px) 100vw, 1000px" /></p>
<h2 style="text-align: center;"><strong>PCB图</strong></h2>
<p><img loading="lazy" decoding="async" class="aligncenter wp-image-7511 size-full" src="https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板PCB图-5.jpg" alt="KCP9328A换弹式电子烟PCBA板PCB图" width="1000" height="500" srcset="https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板PCB图-5.jpg 1000w, https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板PCB图-5-300x150.jpg 300w, https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板PCB图-5-768x384.jpg 768w, https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA板PCB图-5-600x300.jpg 600w" sizes="(max-width: 1000px) 100vw, 1000px" /></p>
<h2 style="text-align: center;"><strong>硬件架构</strong></h2>
<p><img loading="lazy" decoding="async" class="aligncenter wp-image-7586 size-full" src="https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA方案板-2.jpg" alt="KCP9328A换弹式电子烟PCBA方案板硬件架构" width="1000" height="563" srcset="https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA方案板-2.jpg 1000w, https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA方案板-2-300x169.jpg 300w, https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA方案板-2-768x432.jpg 768w, https://koom.com.cn/wp-content/uploads/KCP9328A换弹式电子烟PCBA方案板-2-600x338.jpg 600w" sizes="(max-width: 1000px) 100vw, 1000px" /></p>
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