开卷有「翊」|汽车电源管理发展趋势
<img src="https://mmbiz.qpic.cn/mmbiz_png/Sle6VrHtn5umC9VY5I2HGs6fzAA15yial2cykOe6X9aWTPDMna13BwySGFG577wGEciamZzSJYCgQURaMtcQBCbQ/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"><span style="color: black;">随着人们生活质量的<span style="color: black;">加强</span>,汽车在现代社会中越来越普及,而随着汽车保有量的<span style="color: black;">连续</span>增长,道路交通安全事故<span style="color: black;">亦</span>越来越多,为了减少安全隐患,除了<span style="color: black;">持续</span>完善道路安全法规、加大全民驾驶教育力度,<span style="color: black;">针对</span>OEM<span style="color: black;">来讲</span>加强汽车安全设计<span style="color: black;">亦</span>是必不可少的。近年来智能汽车、互联网等技术的兴起<span style="color: black;">亦</span>使得汽车安全技术的发展面临全新的局面。</span><span style="color: black;">在其中供电系统是汽车正常运行的<span style="color: black;">基本</span>,随着人们对汽车舒适性和娱乐性<span style="color: black;">需要</span>的<span style="color: black;">加强</span>,汽车的电子电器设备<span style="color: black;">快速</span><span style="color: black;">增多</span>,<span style="color: black;">引起</span>了电池易过放电、能源消耗<span style="color: black;">增加</span>、供电线束<span style="color: black;">繁杂</span>、供电安全性降低、故障诊断困难等问题。</span><p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><img src="https://mmbiz.qpic.cn/mmbiz_png/Sle6VrHtn5umC9VY5I2HGs6fzAA15yialaKicY3uibFHByiagAiaMibP4Ky6PP7yC7aib0EPgdib3hsOTXktV9CgicMHLOg/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></strong></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">从保险丝到</span></span><span style="color: black;"><span style="color: black;">MOSFET&E-F</span></span><span style="color: black;"><span style="color: black;"><span style="color: black;">use</span></span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">传统的开关--继电器组合的机械式<span style="color: black;">掌控</span>方式使得车上的供电回路繁多<span style="color: black;">繁杂</span>,供电安全存在更多的隐患,另一方面<span style="color: black;">日前</span>汽车用电器的供电系统未对供电状态和用电信息进行任何的监测和<span style="color: black;">掌控</span>,更加<span style="color: black;">没法</span>实现系统的智能化安全管理。</span></p><img src="https://mmbiz.qpic.cn/mmbiz_png/6PYxCJZfNqfmtB0YstpObibgJ6YnqmiatjgDDtjh6cI40sujzk2yTNXV1u4biarQMFRgLwibia3cOHiaB63dhP2riab2Q/640?wx_fmt=png&wxfrom=5&wx_lazy=1&wx_co=1&tp=webp" style="width: 50%; margin-bottom: 20px;">
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">因此呢</span>利用信息通讯等技术对发电、配电、用电过程中所有节点实时监控,实时获取<span style="color: black;">全部</span>电网的全面信息,实现了汽车供电系统的智能化、网络化,能够有效<span style="color: black;">处理</span>电池管理、能源优化、故障诊断、用电安全等一系列问题。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">半导体在现有传统电路的多处发挥着重要的<span style="color: black;">功效</span>,其中跟安全<span style="color: black;">关联</span>的有:在继电器的线圈旁并联一个<span style="color: black;">守护</span>二极管,在仪表电路中利用稳压管,<span style="color: black;">保准</span>稳压管两端的电压维持<span style="color: black;">必定</span>的电压值基本不变。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">日前</span>汽车中<span style="color: black;">运用</span>最多的半导体<span style="color: black;">制品</span>分别是传感器、MCU和功率半导体,随着汽车自动驾驶和智能座舱的快速发展,算力更高的SoC芯片<span style="color: black;">需要</span><span style="color: black;">亦</span>将越来越高。</span></p><strong style="color: blue;"><span style="color: black;">当半导体应用在配电系统中时,与传统配电的元器件对比:</span></strong>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">传统的配电系统,整车<span style="color: black;">经过</span>各插线式或PCB式电器盒(传统保险丝和继电器<span style="color: black;">构成</span>)完成对用电器的电源分配工作,适用于当前市场上大部分车型,对应的电气架构和<span style="color: black;">掌控</span><span style="color: black;">规律</span>相对<span style="color: black;">来讲</span>较简单。各档位下负载回路<span style="color: black;">经过</span>对应ECU<span style="color: black;">掌控</span>继电器线圈端电压来实现通断,<span style="color: black;">包含</span>IG继电器、ACC继电器、灯光继电器、喇叭继电器等,还有<span style="color: black;">有些</span>常电<span style="color: black;">需要</span>的负载直接<span style="color: black;">经过</span>保险丝接蓄电池正极。</span></p><img src="https://mmbiz.qpic.cn/mmbiz_png/6PYxCJZfNqfmtB0YstpObibgJ6Ynqmiatjq72U1fAoGcJrSsW28KbYoX2g2NicPnogyczpXTKhZaoGrD96CQH5CzA/640?wx_fmt=png&wxfrom=5&wx_lazy=1&wx_co=1&tp=webp" style="width: 50%; margin-bottom: 20px;"><span style="color: black;">传统电器盒</span>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">为应对更<span style="color: black;">繁杂</span>更庞大的电气架构和<span style="color: black;">掌控</span><span style="color: black;">规律</span>,更小、更轻、更智能、<span style="color: black;">更易</span>安装的智能电器盒<span style="color: black;">显现</span>了。特斯拉从MODEL 3<span style="color: black;">起始</span>就采用了MOSFET替代保险丝和继电器的智能电器盒<span style="color: black;">方法</span>,<span style="color: black;">日前</span>国内各OEM<span style="color: black;">亦</span>对此技术<span style="color: black;">起始</span>进行预研。</span></p><img src="https://mmbiz.qpic.cn/mmbiz_png/6PYxCJZfNqfmtB0YstpObibgJ6YnqmiatjtRZHsiceQB1lWaQ5JkqoAEIZ0pLc225fvy06srz6hSHxibJ0UbibA2kBg/640?wx_fmt=png&wxfrom=5&wx_lazy=1&wx_co=1&tp=webp" style="width: 50%; margin-bottom: 20px;"><strong style="color: blue;"><span style="color: black;">半导体器件对比传统保险丝和继电器的<span style="color: black;">优良</span>:</span></strong>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">以传统保险丝为例,假设<span style="color: black;">运用</span>10A的片式保险,<span style="color: black;">通常</span><span style="color: black;">来讲</span><span style="color: black;">实质</span>负载回路稳态电流最大<span style="color: black;">亦</span>就6A<span style="color: black;">上下</span>,而当回路<span style="color: black;">反常</span>电流达到160%<span style="color: black;">亦</span><span style="color: black;">便是</span>16A时,保险丝的熔断时间在0.25~50s内。</span></p><img src="https://mmbiz.qpic.cn/mmbiz_png/6PYxCJZfNqfmtB0YstpObibgJ6Ynqmiatj5pcwTC0doBApY8fHK5op4K1SaVdL77cicb2iccM9sYXBb91FLoTEdCag/640?wx_fmt=png&wxfrom=5&wx_lazy=1&wx_co=1&tp=webp" style="width: 50%; margin-bottom: 20px;"><span style="color: black;">MINI保险规格书</span><span style="color: black;">传统的保险丝在断开<span style="color: black;">守护</span>时导电的熔丝会熔断<span style="color: black;">或</span>被破坏,<span style="color: black;">因此呢</span>永远<span style="color: black;">没法</span>再<span style="color: black;">运用</span>。</span><span style="color: black;">过流和短路<span style="color: black;">守护</span>速度慢,线束和用电器<span style="color: black;">长期</span>大电流情形下会加速老化,对电路极其<span style="color: black;">有害</span>。</span><span style="color: black;">保险丝<span style="color: black;">做为</span>传统的电器件,<span style="color: black;">没法</span>实现诊断功能。</span><span style="color: black;">保险丝的寿命<span style="color: black;">通常</span>在10万次<span style="color: black;">上下</span>。</span><span style="color: black;">近期比较火的E-Fuse是一种集成MOSFET的有源电流<span style="color: black;">守护</span>器件,<span style="color: black;">重点</span>元件是一个用于调制负载电流的电源开关、一个电流感应元件和<span style="color: black;">掌控</span><span style="color: black;">规律</span>。</span><img src="https://mmbiz.qpic.cn/mmbiz_png/6PYxCJZfNqfmtB0YstpObibgJ6YnqmiatjHlwnah19GtEicKquGUys4upbNib26l1OGB7D0icAYGwfWNLTjMLQyWO8g/640?wx_fmt=png&wxfrom=5&wx_lazy=1&wx_co=1&tp=webp" style="width: 50%; margin-bottom: 20px;"><span style="color: black;">智能MOSFET<span style="color: black;">掌控</span>器电路</span><span style="color: black;">半导体器件的关断操作是<span style="color: black;">经过</span>打开和关闭内置的MOSFET来实现的,<span style="color: black;">因此呢</span><span style="color: black;">能够</span>重复<span style="color: black;">运用</span>。</span><span style="color: black;">能实现电流、电压检测功能,且精度能达到5%。</span><span style="color: black;">优良的电路<span style="color: black;">守护</span>功能:</span><span style="color: black;">过压<span style="color: black;">守护</span>:将VOUT保持在设定限制值内,并防止过电压<span style="color: black;">功效</span>于后级负载电路。</span><span style="color: black;">过流、短路<span style="color: black;">守护</span>:相比传统保险丝在过流<span style="color: black;">守护</span>上的精度低和反应慢,E-Fuse能够在IOUT<span style="color: black;">短期</span>内大幅超过限制电流时,<span style="color: black;">快速</span>切断回路,时间仅150us,降低回路损害的<span style="color: black;">危害</span>,待回路恢复正常或施加一个<span style="color: black;">外边</span>使能信号后再接通。</span><span style="color: black;">欠压锁定:与输入电压过高相反,当输入电压比E-Fuse工作电压低时,E-Fuse可能会<span style="color: black;">显现</span>故障,当VIN<span style="color: black;">小于</span>E-Fuse工作值时,它会停止工作。</span><span style="color: black;">热关断:过流、过压<span style="color: black;">状况</span>下都会产生<span style="color: black;">海量</span>的热量,当温度超过<span style="color: black;">必定</span>值时,E-Fuse关闭不输出,从而<span style="color: black;">守护</span>E-Fuse。</span><span style="color: black;">反向电流阻断:对芯片<span style="color: black;">来讲</span>,最影响其<span style="color: black;">运用</span>寿命的<span style="color: black;">原因</span><span style="color: black;">便是</span>过压和反接,<span style="color: black;">状况</span>严重可能会击穿芯片,毁掉<span style="color: black;">全部</span>电路板。<span style="color: black;">针对</span>感性负载产生的反向电压,<span style="color: black;">能够</span>采用一个NMOS实现反向电流阻断功能,实例中<span style="color: black;">咱们</span><span style="color: black;">能够</span>直接<span style="color: black;">选择</span>内置MOSFET用于反向电流阻断的E-FUSE,<span style="color: black;">亦</span>可<span style="color: black;">运用</span>E-FUSE和外置MOSFET的组合方式来实现反向电流阻断功能。</span>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/mmbiz_png/Sle6VrHtn5umC9VY5I2HGs6fzAA15yialjhs6CeqYMWel8O7KRCmFBJRHDOaicCn1EN6m5a85uPZ4jicpULic1WiaGA/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">博沃创新的电源冗余技术<span style="color: black;">方法</span></span></p><span style="color: black;"><span style="color: black;">日前</span>国内头部的<span style="color: black;">有些</span>OEM<span style="color: black;">已然</span>在<span style="color: black;">思虑</span><span style="color: black;">或</span>做<span style="color: black;">将来</span>车型<span style="color: black;">研发</span>的时候<span style="color: black;">已然</span><span style="color: black;">起始</span>做efuse来实现整车电源网络的管理。<span style="color: black;">然则</span>暂时还无量产车型<span style="color: black;">运用</span>efuse架构来实现整车的电源网络管理,其<span style="color: black;">原由</span><span style="color: black;">咱们</span>认为<span style="color: black;">重点</span>是两个<span style="color: black;">原由</span>,</span><strong style="color: blue;"><span style="color: black;">1 经济型的成本问题</span></strong>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">Tesla的E-Fuse<span style="color: black;">方法</span>不会适用与所有的车型,<span style="color: black;">由于</span>竞争激烈的汽车行业,成本是车厂基于利润和<span style="color: black;">存活</span>的最基本并且是最严格的<span style="color: black;">需求</span>之一。<span style="color: black;">海量</span>智能高边开关和E-Fuse的<span style="color: black;">运用</span>,对比传统的保险丝和继电器,成本会大幅<span style="color: black;">提高</span>,<span style="color: black;">通常</span>高边开关的单通道要好几块钱,对比同规格的保险丝<span style="color: black;">仅有</span>几毛钱。大电流的E-Fuse通道用到的MOSFET单个最少<span style="color: black;">亦</span>要十几块,<span style="color: black;">倘若</span>类似MODEL 3全车都上高边开关和E-Fuse做低压电网的配电成本要超过两千,相同的功能用保险丝和继电器只要几百块。<span style="color: black;">针对</span>成本<span style="color: black;">敏锐</span>的车型,这种<span style="color: black;">方法</span>是肯定难以接受和落地的。</span></p><strong style="color: blue;"><span style="color: black;">2 已有电子电气架构的局限性</span></strong>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">此刻</span>量产<span style="color: black;">或</span><span style="color: black;">将来</span>1~2年量产的车型大<span style="color: black;">都数</span>都是传统电子电气架构,<span style="color: black;">没法</span>直接<span style="color: black;">经过</span>一二级的efuse来匹配<span style="color: black;">日前</span>架构网络,<span style="color: black;">因此呢</span><span style="color: black;">没法</span>满足自动驾驶电源冗余的<span style="color: black;">需求</span>,<span style="color: black;">另一</span>一个<span style="color: black;">便是</span>任何一代电子电气架构系统的从<span style="color: black;">起始</span><span style="color: black;">研发</span>到量产都需要3~5年<span style="color: black;">乃至</span>更<span style="color: black;">长期</span>的<span style="color: black;">开发</span><span style="color: black;">才可</span>量产,<span style="color: black;">包含</span>系统零部件级的供应商都需要将<span style="color: black;">掌控</span>器升级为域<span style="color: black;">掌控</span>器或区<span style="color: black;">掌控</span>器<span style="color: black;">才可</span>匹配下一代基于SOA的架构来实现,这个需要在成本上和技术上都需要一个较为<span style="color: black;">长时间</span>的时间和演变<span style="color: black;">才可</span>逐步到位。</span></p><span style="color: black;"> 针对自动驾驶系统对电源冗余的高技术<span style="color: black;">需要</span>和<span style="color: black;">日前</span>主机厂电子电气架构的特点,</span><span style="color: black;"><strong style="color: blue;">翊弼生态企业——博沃创新针对电子电气架构的迭代更新,兼顾低压智能电网成本和安全推出了自动驾驶电源冗余管理模块( Power Network Controller,PNC)的<span style="color: black;">处理</span><span style="color: black;">方法</span>。</strong></span><span style="color: black;">针对有自动驾驶<span style="color: black;">需要</span>的车辆,对高安全<span style="color: black;">需求</span>的负载,<span style="color: black;">例如</span>转向、制动、自驾和座舱等实现了满足ASILD的安全冗余配电的<span style="color: black;">需求</span>,<span style="color: black;">保准</span>任何供电系统单点失效(过压、欠压<span style="color: black;">或</span>短路)的<span style="color: black;">状况</span>下还能继续给安全负载供电,以实现供电系统的Fail-operational的设计,满足<span style="color: black;">连续</span>迭代的电子电气架构背景下自驾对安全冗余配电的<span style="color: black;">需求</span>。</span><span style="color: black;"> 博沃创新的自动驾驶电源冗余管理<span style="color: black;">方法</span>(PNC)<span style="color: black;">能够</span>满足<span style="color: black;">区别</span>的低压供电系统配置,满足安全及<span style="color: black;">靠谱</span>性的前提下<span style="color: black;">亦</span>为各大OEM降低了系统成本。</span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">1 针对单DCDC+单电池(单电池组)的低压架构</span></strong></span><span style="color: black;">博沃PNC在单DCDC+单电池的低压电网中设置多个监控点,安全<span style="color: black;">关联</span>的负载采用主辅两路冗余供电;在DCDC供电测<span style="color: black;">显现</span>过压(供电电压大于16V)<span style="color: black;">或</span>欠压(电压<span style="color: black;">小于</span>9V)和短路的时候,PNC<span style="color: black;">能够</span>快速关断DCDC测的供电回路,<span style="color: black;">保证</span>安全<span style="color: black;">关联</span>的负载<span style="color: black;">能够</span>从电池辅路供电回路取电;在电池测供电<span style="color: black;">显现</span>短路故障时候,PNC<span style="color: black;">一样</span><span style="color: black;">能够</span>快速关断电池测的供电回路,<span style="color: black;">保证</span>安全<span style="color: black;">关联</span>的负载<span style="color: black;">能够</span>从DCDC主供电回路取电;安全负载回路<span style="color: black;">显现</span>短路的时候,PNC<span style="color: black;">能够</span>快速关断此回路的供电,<span style="color: black;">保证</span>安全<span style="color: black;">关联</span>负载<span style="color: black;">能够</span>从<span style="color: black;">另一</span>冗余测供电回路取电。</span><span style="color: black;"> <span style="color: black;">以上</span><span style="color: black;">关联</span>关断回路都能满足ASILD的安全完整性,<span style="color: black;">同期</span>安全<span style="color: black;">关联</span>的关断<span style="color: black;">能够</span><span style="color: black;">经过</span>软硬件<span style="color: black;">方法</span>实现。</span><span style="color: black;">非安全<span style="color: black;">关联</span>的负载<span style="color: black;">或</span>功能安全等级<span style="color: black;">小于</span>ASILB的<span style="color: black;">关联</span>低压负载<span style="color: black;">能够</span>继续<span style="color: black;">经过</span>传统保险丝盒继电器供电。</span><span style="color: black;"> 博沃创新的PNC集<span style="color: black;">成为了</span>智能电池传感器功能,<span style="color: black;">经过</span>电压和电流采样,实现蓄电池电压和电量的实时精确管理。</span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">2 针对单DCDC+双电池(双电池组)的低压架构</span></strong></span><span style="color: black;">博沃创新PNC在单DCDC+双电池的低压电网中设置多个监控点,安全<span style="color: black;">关联</span>的负载采用主辅两路冗余供电;在DCDC供电测<span style="color: black;">显现</span>过压(供电电压大于16V)<span style="color: black;">或</span>欠压(电压<span style="color: black;">小于</span>9V)和短路的时候,PNC<span style="color: black;">能够</span>快速关断DCDC测的供电回路,<span style="color: black;">保证</span>安全<span style="color: black;">关联</span>的负载<span style="color: black;">能够</span>分别从两路电池实现辅路冗余供电;在电池测供电<span style="color: black;">显现</span>短路故障时候,PNC<span style="color: black;">一样</span><span style="color: black;">能够</span>快速关断电池测的供电回路,<span style="color: black;">保证</span>安全<span style="color: black;">关联</span>的负载<span style="color: black;">能够</span>从DCDC主供电回路取电或者从冗余电池回路取电;安全负载回路<span style="color: black;">显现</span>短路的时候,PNC<span style="color: black;">能够</span>快速关断此回路的供电,<span style="color: black;">保证</span>安全<span style="color: black;">关联</span>负载<span style="color: black;">能够</span>从<span style="color: black;">另一</span>冗余测电池供电回路取电<span style="color: black;">或</span>DCDC主供电回路取电。</span><span style="color: black;"> <span style="color: black;">以上</span><span style="color: black;">关联</span>关断回路都能满足ASILD的安全完整性,<span style="color: black;">同期</span>安全<span style="color: black;">关联</span>的关断<span style="color: black;">能够</span><span style="color: black;">经过</span>软硬件<span style="color: black;">方法</span>实现。</span><span style="color: black;">非安全<span style="color: black;">关联</span>的负载<span style="color: black;">或</span>功能安全等级<span style="color: black;">小于</span>ASILB的<span style="color: black;">关联</span>低压负载<span style="color: black;">能够</span>继续<span style="color: black;">经过</span>传统保险丝盒继电器供电。</span><span style="color: black;"> 博沃创新的PNC<span style="color: black;">亦</span>集<span style="color: black;">成为了</span>智能电池传感器功能,<span style="color: black;">经过</span>电压和电流采样,实现蓄电池电压和电量的实时精确管理。</span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">3 针对双DCDC+单电池(单电池组)的低压架构</span></strong></span><span style="color: black;">博沃创新PNC在双DCDC+单电池的低压电网中设置多个监控点,安全<span style="color: black;">关联</span>的负载采用主辅两路冗余供电;在DCDC供电测<span style="color: black;">显现</span>过压(供电电压大于16V)<span style="color: black;">或</span>欠压(电压<span style="color: black;">小于</span>9V)和短路的时候,PNC<span style="color: black;">能够</span>快速关断失效DCDC测的供电回路,<span style="color: black;">保证</span>安全<span style="color: black;">关联</span>的负载<span style="color: black;">能够</span>分别从冗余DCDC和电池侧实现冗余供电;在电池测供电<span style="color: black;">显现</span>短路故障时候,PNC<span style="color: black;">一样</span><span style="color: black;">能够</span>快速关断电池测的供电回路,<span style="color: black;">保证</span>安全<span style="color: black;">关联</span>的负载<span style="color: black;">能够</span>从主DCDC和冗余DCDC回路继续实现冗余取电;安全负载回路<span style="color: black;">显现</span>短路的时候,PNC<span style="color: black;">能够</span>快速关断此回路的供电,<span style="color: black;">保证</span>安全<span style="color: black;">关联</span>负载<span style="color: black;">能够</span>从<span style="color: black;">另一</span>冗余测电池供电回路取电<span style="color: black;">或</span>DCDC主供电回路冗余取电。</span><span style="color: black;"> <span style="color: black;">以上</span><span style="color: black;">关联</span>关断回路都能满足ASILD的安全完整性,<span style="color: black;">同期</span>安全<span style="color: black;">关联</span>的关断<span style="color: black;">能够</span><span style="color: black;">经过</span>软硬件<span style="color: black;">方法</span>实现。</span><span style="color: black;">非安全<span style="color: black;">关联</span>的负载<span style="color: black;">或</span>功能安全等级<span style="color: black;">小于</span>ASILB的相关低压负载<span style="color: black;">能够</span>继续<span style="color: black;">经过</span>传统保险丝盒继电器供电。</span><span style="color: black;"> 此PNC <span style="color: black;">方法</span><span style="color: black;">能够</span>支持自动驾驶等级为L4及以上的场景,实现低压电网失效<span style="color: black;">状况</span>下,参与DDT的<span style="color: black;">关联</span>系统(转向、制动和自驾系统)等功能不降级,支持无人驾驶车辆继续有能力行驶到行程终点<span style="color: black;">或</span>车辆维修点。</span><span style="color: black;">博沃创新的PNC<span style="color: black;">亦</span>集<span style="color: black;">成为了</span>智能电池传感器功能,<span style="color: black;">经过</span>电压和电流采样,实现蓄电池电压和电量的实时精确管理。</span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">4 针对双DCDC+双电池(双电池组)的低压架构</span></strong></span><span style="color: black;">博沃创新PNC在双DCDC+双电池的低压电网中设置多个监控点,安全<span style="color: black;">关联</span>的负载采用主辅两路冗余供电;在DCDC供电测<span style="color: black;">显现</span>过压(供电电压大于16V)<span style="color: black;">或</span>欠压(电压<span style="color: black;">小于</span>9V)和短路的时候,PNC<span style="color: black;">能够</span>快速关断失效DCDC测的供电回路,<span style="color: black;">保证</span>安全<span style="color: black;">关联</span>的负载<span style="color: black;">能够</span>分别从冗余DCDC和电池侧实现冗余供电;在电池测供电<span style="color: black;">显现</span>短路故障时候,PNC<span style="color: black;">一样</span><span style="color: black;">能够</span>快速关断失效电池测的供电回路,<span style="color: black;">保证</span>安全<span style="color: black;">关联</span>的负载<span style="color: black;">能够</span>从主DCDC和冗余DCDC<span style="color: black;">或</span>辅电池回路继续实现冗余取电;安全负载回路<span style="color: black;">显现</span>短路的时候,PNC<span style="color: black;">能够</span>快速关断此回路的供电,<span style="color: black;">保证</span>安全<span style="color: black;">关联</span>负载<span style="color: black;">能够</span>从<span style="color: black;">另一</span>冗余测电池供电回路取电<span style="color: black;">或</span>DCDC测供电回路冗余取电。</span><span style="color: black;"> <span style="color: black;">以上</span><span style="color: black;">关联</span>关断回路都能满足ASILD的安全完整性,<span style="color: black;">同期</span>安全<span style="color: black;">关联</span>的关断<span style="color: black;">能够</span><span style="color: black;">经过</span>软硬件<span style="color: black;">方法</span>实现。非安全<span style="color: black;">关联</span>的负载<span style="color: black;">或</span>功能安全等级<span style="color: black;">小于</span>ASILB的<span style="color: black;">关联</span>低压负载<span style="color: black;">能够</span><span style="color: black;">经过</span>集成在PNC的智能保险丝系统实现智能供电。</span><span style="color: black;">此PNC <span style="color: black;">方法</span><span style="color: black;">能够</span>支持自动驾驶等级为L4及以上的场景,实现低压电网失效<span style="color: black;">状况</span>下,参与DDT的<span style="color: black;">关联</span>系统(转向、制动和自驾系统)等功能不降级,支持无人驾驶车辆继续有能力行驶到行程终点<span style="color: black;">或</span>车辆维修点。</span><span style="color: black;"> 博沃创新的PNC<span style="color: black;">亦</span>集<span style="color: black;">成为了</span>智能电池传感器功能,<span style="color: black;">经过</span>电压和电流采样,实现蓄电池电压和电量的实时精确管理。</span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">5 针对单DCDC+单电池(单电池组)+区域<span style="color: black;">掌控</span>器的低压配电架构</span></strong></span><span style="color: black;">博沃创新PNC在单DCDC+单电池+区域<span style="color: black;">掌控</span>器的低压电网中设置多个监控点,在安全<span style="color: black;">关联</span>的负载采用主辅两路冗余供电;在DCDC供电测<span style="color: black;">显现</span>过压(供电电压大于16V)<span style="color: black;">或</span>欠压(电压<span style="color: black;">小于</span>9V)和短路的时候,PNC<span style="color: black;">能够</span>快速关断DCDC测的供电回路,<span style="color: black;">保证</span>安全<span style="color: black;">关联</span>的负载<span style="color: black;">能够</span>从电池辅路供电回路取电;在电池测供电<span style="color: black;">显现</span>短路故障时候,PNC<span style="color: black;">一样</span><span style="color: black;">能够</span>快速关断电池测的供电回路,<span style="color: black;">保证</span>安全<span style="color: black;">关联</span>的负载<span style="color: black;">能够</span>从DCDC主供电回路取电;安全负载回路<span style="color: black;">显现</span>短路的时候,PNC<span style="color: black;">能够</span>快速关断此回路的供电,<span style="color: black;">保证</span>安全<span style="color: black;">关联</span>负载<span style="color: black;">能够</span>从<span style="color: black;">另一</span>冗余测供电回路取电。</span><span style="color: black;"><span style="color: black;">以上</span><span style="color: black;">关联</span>关断回路都能满足ASILD的安全完整性,<span style="color: black;">同期</span>安全<span style="color: black;">关联</span>的关断<span style="color: black;">能够</span><span style="color: black;">经过</span>软硬件<span style="color: black;">方法</span>实现。</span><span style="color: black;"> 非安全<span style="color: black;">关联</span>的负载<span style="color: black;">或</span>功能安全等级<span style="color: black;">小于</span>ASILB的<span style="color: black;">关联</span>低压负载<span style="color: black;">能够</span><span style="color: black;">经过</span>集成在PNC的智能保险丝系统实现智能供电。</span><span style="color: black;"> 博沃创新的PNC集<span style="color: black;">成为了</span>智能电池传感器功能,<span style="color: black;">经过</span>电压和电流采样,实现蓄电池电压和电量的实时精确管理。</span><span style="color: black;">PNC<span style="color: black;">经过</span>软件智能<span style="color: black;">掌控</span>所有的负载,实现基于场景和功能<span style="color: black;">需求</span>的负载配电精确控制。满足SOA架构下实时精确的负载供电配置,OEM<span style="color: black;">能够</span><span style="color: black;">经过</span>FOTA<span style="color: black;">连续</span>迭代<span style="color: black;">关联</span>的软件<span style="color: black;">掌控</span>功能,实现车辆全生命周期的低压负载供电准确智能<span style="color: black;">掌控</span>。达到智能、安全、低能耗和高<span style="color: black;">靠谱</span>性的完美结合,服务好OEM和终端用户。</span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">6 <span style="color: black;">日前</span><span style="color: black;">已然</span><span style="color: black;">得到</span>主机厂应用得<span style="color: black;">方法</span>技术参数</span></strong></span><img src="https://mmbiz.qpic.cn/mmbiz_png/SRpLdqUibYFWlMj3MXeDBn7usL1ia0UIZKZYBmJ0xWt6roibIKdC04oNjK6dYkZwJBc1UfhFLsmRZ5wlkwwKSictHA/640?wx_fmt=png&wxfrom=5&wx_lazy=1&wx_co=1&tp=webp" style="width: 50%; margin-bottom: 20px;">
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/mmbiz_jpg/Sle6VrHtn5uBqJ2BYa2ofDet8WvGAPVq0FjsaNd3KKYB65hXakLzUNoVxuiapOSiblhLHFpIfyaIWWMt8qvSQk1w/640?wx_fmt=jpeg&wxfrom=5&wx_lazy=1&wx_co=1&tp=webp" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="https://mmbiz.qpic.cn/mmbiz_png/Sle6VrHtn5vBYEdDuldlIYskQAaOW3DoldmsZpOiaKT2zYVJouBWC7PE8E5gOzlJjxZql3wiaO19Nj4481iaUsf3g/640?wx_fmt=png&wxfrom=5&wx_lazy=1&wx_co=1&tp=webp" style="width: 50%; margin-bottom: 20px;"></p> <span style="color: black;">翊弼生态企业——博沃创新(BNOVANCE)2017年成立,是国家高新技术企业、江苏省民营科技型企业。由60 余位专家及工程师组建的核心技术团队<span style="color: black;">拥有</span>15年以上的电子电气核心技术能力及工程<span style="color: black;">研发</span>经验。<span style="color: black;">博沃创新</span>以“为人类<span style="color: black;">供给</span>更<span style="color: black;">有效</span>、<span style="color: black;">靠谱</span>的智能和零碳技术”为使命,做能量系统技术的先行者,让智能汽车的自动驾驶系统和能量系统更安全、<span style="color: black;">靠谱</span>和<span style="color: black;">有效</span>。<span style="color: black;">博沃创新</span>自成立以来致力于做新能源汽车能量系统技术的先行者,基于<span style="color: black;">博沃创新</span>的FEPP能量技术平台并<span style="color: black;">经过</span><span style="color: black;">制品</span>技术<span style="color: black;">持续</span>迭代,为客户<span style="color: black;">供给</span>新能源汽车能量系统和自动驾驶系统电源冗余管理软硬件一体的技术<span style="color: black;">处理</span><span style="color: black;">方法</span>。</span><img src="https://mmbiz.qpic.cn/mmbiz_png/SRpLdqUibYFWlMj3MXeDBn7usL1ia0UIZKGhB9ChrYmnmicMhTy9Qq2MgsX6nqqYatHjO7k96Gmt6UXk6Tb2zWHvw/640?wx_fmt=png&wxfrom=5&wx_lazy=1&wx_co=1&tp=webp" style="width: 50%; margin-bottom: 20px;">
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">博沃创新</span>是国内<span style="color: black;">少许</span>能够为智能新能源汽车<span style="color: black;">供给</span>车载逆变器、转换器、能量管理和自动驾驶电源冗余管理<span style="color: black;">处理</span><span style="color: black;">方法</span>的全栈型技术创新型公司。博沃创新的<span style="color: black;">制品</span>和技术<span style="color: black;">已然</span>得到了众多国内外主流客户的认可和广泛应用。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;"><img src="https://mmbiz.qpic.cn/mmbiz_gif/Sle6VrHtn5tfOdcPuiaIzmrQfoSq3Jk3v5aPAZ0Fad52hFfwCKjIHWu5LDIpVKG7ibl0FPNeAOdAm4eyhv9I0FnQ/640?wx_fmt=gif&wxfrom=5&wx_lazy=1&tp=webp" style="width: 50%; margin-bottom: 20px;"></span></strong></span></p>
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