ADAS成为汽车半导体增长驱动力-国际电子商情

手机在线人成视频

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ADAS成为汽车半导体增长驱动力

SUIRANJINNIANQUANQIUQICHESHICHANGBUJINGQI,MEIGUOHEZHONGGUOSHICHANGDOUCHUXIANBUTONGCHENGDUDEXIAHUA,DANADASQUEYILIANGWEISHUDESUDUZENGZHANG。CONGQUANQIUZUIDADEQICHEBANDAOTIGONGYINGSHANGNXPDEJIDUCAIBAOYEKEYIKANCHUZHEIYIQUSHI。ERBMSQIJIANMUQIANHAIZHISHIQICHEBANDAOTISHICHANGDEHENXIAOYIBUFEN,DANQIZENGZHANGSUDUJINGREN,ERQIEQIANLIJUDA。QUANQIUQICHEZHIZAOSHANGDOUZAIKAIFAHESHENGCHANGENGDUOXINGHAODEDIANDONGQICHE,WEILAIJINIANDUIBMSQIJIANDEXUQIUJIANGCHENGXIANCHUBAOZHASHIZENGZHANG……

福特FUSION的盲点监视器

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手机在线人成视频ZHEIZHONGMANGDIANJIANSHIQISHIZUIJINJINIANCHUXIANDEYIZHONGADASGONGNENG,ZAIFUTE、WOERWO、MAZIDADENGZHONGGAODUANCHEXINGZHONGDOUYOUPEIZHI。YIGEJIAOGeorge PlatzerDERENYU1995NIANZAITIJIAOJIQICHEGONGCHENGSHIXIEHUIDEYIPIANLUNWENZHONGSHOUCITICHUYIZHONGJIEJUEMANGDIANWENTIDEFANGFA。RUGUOYITEDINGDEFANGSHIDIAOZHENGCHELIANGLIANGBIANDEHOUSHIJING,MANGDIANSHIKEYIXIAOCHUDE。DANTADEFANGFABINGMEIYOUSHOUDAOZHONGSHI,TAHOULAISHENQINGZHUANLIBINGMAIJILEFUTEGONGSI,KAIFACHUMANGDIANXINXIXITONG(BLIS),BINGLUXUZAIQIFUTE、LINKENHEWOERWODENGPINPAICHEXINGZHONGZHUANGPEIZHEIZHONGGONGNENG。

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手机在线人成视频PEIBEIYOUMANGDIANJIANSHIQIGONGNENGDECHELIANGYIBANZAILIANGCEDEHOUSHIJINGXIAMIANHUOCHEWEILIANGCEANZHUANGYOULEIDAGANYINGQI,DANGCEBIANCHEDAODECHELIANGJINRUMANGQUSHI,XIANGYINGDEHOUSHIJINGCHUXIANXINGMUDELIANGDIANYITIXINGSIJIYOUCHELIANGJINRUMANGQU,DANGCHELIANGKUAISUCHAOGUOHOULIANGDIANZIDONGXIAOSHI。CHULEJIANCELIANGCEMANGQUCHELIANGWAI,ZAIDAOCHESHICONGCHEDAOLIANGCESHILAIDECHELIANGHUOXINGRENYEKEYIJIANCEDAO,HUIFACHUSHENGYINGAOJING,BINGZAIYIBIAOPANSHANGXIANSHIHOUMIANYOUCHELIANGHUOXINGREN。

ADAS成为汽车半导体增长驱动力

手机在线人成视频GAOJIJIASHIFUZHUXITONG(ADAS)SHIYIZHONGXIEZHUCHELIANGJIASHIRENYUANZAIXINGSHIHUOTINGCHESHIYUFANGRENWEISHIWUERTIGAOANQUANXINGDEDIANZIXITONG,TAYIYOUHAODERENJIJIAOHUJIEMIANLAITIGAORENYUAN、CHELIANGHEDAOLUANQUAN。ADASYILAIDUOZHONGSHUJULAIYUANDESHURUERJINXINGJISUANCHULIBINGZUOCHUXIANGYINGDEJUECEHEDONGZUO,BAOKUOQICHECHENGXIANG、JIGUANGLEIDA(LiDAR)、QICHELEIDA、TUXIANGCHULI、JISUANJISHIJUE,YIJICHEZAIWANGLUODENG。

手机在线人成视频CHANGJIANDEADASGONGNENGBAOKUO:ZISHIYINGXUNHANGKONGZHI(ACC)、FANGBAOSIZHIDONGXITONG(ABS)、ZIDONGBOCHE、ZIDONGDAOHANGXITONG、QICHEYESHI、MANGDIANJIANKONG、FANGPENGZHUANGXITONG、JIASHIYUANJIANKONGXITONG、JIASHIYUANKUNJUANJIANCE、CHEDAOPIANLIGAOJINGXITONG(LDW)、TAIYAJIANKONG、JIAOTONGXINHAOSHIBIEDENG。SUIZHE5GHECHEZAIWANGLUODEFAZHAN,CHELIANGYUCHELIANGZHIJIANDEJIAOHUXINXI(V2VHEV2X)YEJIANGCHENGWEIADASDEYIGEZHUYAOSHUJUSHURUYUAN。

手机在线人成视频SUIRANJINNIANQUANQIUQICHESHICHANGBUJINGQI,MEIGUOHEZHONGGUOSHICHANGDOUCHUXIANBUTONGCHENGDUDEXIAHUA,DANADASQUEYILIANGWEISHUDESUDUZENGZHANG。CONGQUANQIUZUIDADEQICHEBANDAOTIGONGYINGSHANGNXPDEJIDUCAIBAOYEKEYIKANCHUZHEIYIQUSHI。NXPJINNIANQIANLIANGGEJIDUDECHUANTONGQICHEBANDAOTIYEWUXIANGBIQUNIANXIAJIANGMINGXIAN,DANADASHEDIANCHIGUANLIXITONG(BMS)YEWUQUEZAIKUAISUZENGZHANG。ZI2015NIANYILAI,NXPDEADASYEWUNIANFUHEZENGZHANGLVDADAO50%,XIANYIZHANJUZHENGGEYINGSHOUDE10%。YUJIDAO2021JIYIHOUJINIANRENGHUIYICHAOGUO20%DESUDUZENGZHANG。

电池管理系统(BMS)是汽车电子化的新动力

2019NIANNUOBEIERHUAXUEJIANGDEZHUZHIYISHI97SUIGAOLINGDEJohn GoodenoughJIAOSHOU,TABEIZUNCHENGWEI“LIDIANCHIZHIFU”。TAFAMINGDEGUSUANLICAILIAOSHIDELIDIANCHICHENGWEIBIANXIESHIDIANZICHANPINDEZHUYAOGONGDIANDIANYUAN,CONGBIJIBENDIANNAO、SHOUJIDAOGEZHONGDIANCHIGONGDIANDEBIANXIESHISHEBEI,JIDADIFANGBIANLERENLEIDESHENGHUO。LIDIANCHIBUDANPUBIANYONGYUDIANZICHANPIN,YUELAIYUELIUXINGDEDIANDONGCHE(EV)YEGUANGFANCAIYONGLIDIANCHI。

手机在线人成视频LIDIANCHIJUYOUGAODIANHEMIDUHEZHONGLIANGQINGDEYOUDIAN,SHUBAIGELIDIANDANYUANZUHECHENGDIANCHIZU,KEYIDADAO300VDIANYAHE300ADADIANLIU,YIQUDONGDIANDONGCHEZHANGJULIXINGSHI。DANSHI,LIDIANCHIZUDECHONGDIANHEFANGDIANDOUXUYAOYANGEJIANKONG,BUNENGGUOCHONGDIANDANYEBUNENGQIANFANGDIAN。CHUYUANQUANHEXIAOLVKAOLV,MEIGEDIANCHIDANYUANDEDIANYAHEDIANLIUDOUXUYAOJIANKONG。YINCIXUYAOZHUANMENDEDIANCHIGUANLIXITONG(BMS)LAIJIANCEDIANCHIZUZAICHONGDIAN、FANGDIANHECHELIANGYUNXINGGUOCHENGZHONGDEDONGTAIJIANKONGGUANLI。

CONGYINGJIANJIEGOULAIKAN,BMSYOUSANZHONGTUOPUJIEGOU,JIJIZHONGSHIBMS、FENBUSHIBMSHEMOKUAIHUABMS。WULUNNAZHONGJIEGOU,QIJIBENYUANLIHEGONGNENGDOUSHIYIYANGDE,RUXIATUSUOSHI。

20191125-502.png

电池管理系统可以监测如下主要状态指标:

  1. 放电控制:电池单元的低压不能低于某个额定值(比如3V),BMS要确保整个电池组的每个电池单元放电都不能低于3V。
  2. 充电控制:充电过程也需要监控,因为不适当的充电可能会损坏电池单元或降低使用寿命。

锂电池采用二阶充电机制,第一阶充电是恒流(CC)充电以便为电池提供恒定的电流。当充电接近饱和状态时,进入二阶恒压(CV)恒压,这时就需要为电池提供恒定的电压,而电流则比较小。整个充电过程中,BMS要确保电池不会超过限定电压和电流。
手机在线人成视频 其它监测参数还包括电量状态指示、健康状态指示、电池单元平衡、热控制、精确度、处理速度和数据记录等。

BMSQIJIANMUQIANHAIZHISHIQICHEBANDAOTISHICHANGDEHENXIAOYIBUFEN,DANQIZENGZHANGSUDUJINGREN,ERQIEQIANLIJUDA。QUANQIUQICHEZHIZAOSHANGDOUZAIKAIFAHESHENGCHANGENGDUOXINGHAODEDIANDONGQICHE,WEILAIJINIANDUIBMSQIJIANDEXUQIUJIANGCHENGXIANCHUBAOZHASHIZENGZHANG(YINWEIBAOZHENGDIANDONGCHELIANGBUYAOYINWEIDIANCHIGUZHANGERFASHENGBAOZHASHIZHENGFUJIGOU、QICHECHANGSHANGHEXIAOFEIZHEDOUGUANXINDEANQUANWENTI)。JUNXPCAIBAOTOULU,SUIRANBMSYEWUZHIYOU5000WANMEIYUANGUIMO,DANDAO2021NIANYOUWANGDADAOSHUYIMEIYUAN。ZHEIYIXIFENSHICHANGHAIGANGGANGKAISHIHUOREQILAI,XIANGXINSUIZHEDIANDONGCHEDEPUJI,BMSJIANGCHENGWEIQICHEBANDAOTIGONGYINGSHANGXINDEZENGZHANGQUDONGLI。

本文为《国际电子商情》姐妹刊《电子工程专辑》原创文章

原创
本文为国际电子商情原创文章,未经授权禁止转载。请尊重知识产权,违者本司保留追究责任的权利。
顾正书
电子工程专辑(EETimes China)主分析师。
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