美蓓亚三美集团旗下三美电机,推出MM414x系列单节电池保护IC
美蓓亚三美集团旗下的三美电机(以下简称“三美电机”),推出的新品MM414x系列单节电池保护IC是适用于智能手机和其他信息终端设备的单节锂离子电池用保护IC。
MM414x系列实现了行业前列水准的高精度过电流检测功能,此款IC有助于降低感应电阻器的电阻,并能显著减少保护电路板上产生的热量。
2021年10月1日,美蓓亚三美集团获得欧姆龙株式会社进行业务转让的日本滋贺工厂(MMI半导体株式会社)。新系列MM414x就是采用了该工厂的前端工艺生产。通过该前端工艺,MM414x系列与之前的产品相比,减少了因各种应力变化而导致的检测电压精度的变化。新系列尤其适用于采用SIP(System in Package)结构等树脂封装IC的保护电路板。另外,该封装是一种具有SSON结构的6Pin型封装,尺寸与之前的产品相同,采用了无背片封装。无背片设计允许在封装下布线,从而实现小尺寸的保护电路板。
*根据美蓓亚三美的调查
特点
① 低感应电阻,过流检测精度为±0.5mV
之前的产品精度仅限于±0.75mV,所以只能处理0.75mΩ的感应电阻,用于7A±1A放电过电流检测(LPS标准)。新系列由于产品精度的提高,现在可以处理0.5mΩ的感应电阻,从而大幅减少了保护电路板上产生的热量。
② 通过检测电池和感应电阻器之间的电压,防止电池组出现过充电/过放电/过电流等问题
内置功能可在充电和放电过程中检测电池电压,并在出现过充电或过放电时关闭充放电控制MOSFET以中断充放电电流。还可检测感应电阻两端的电压,并在出现过流时关闭充放电控制MOSFET以中断异常电流。
③ 采用了无背片封装,使保护电路板的布线更加灵活,电路板的尺寸也更小
考虑到IC下的布线之间可能会发生短路,之前的带背片封装在配置上不允许布线从IC下通过。但使用无背片封装后,布线可以从IC下通过,从而提高了保护电路板上布线的自由度,并使电路板的尺寸得以缩小。
主要应用
用于智能手机和其他设备的锂离子充电电池组和锂离子聚合物充电电池组。
产品照片
三美电机制造 MM414x
产品规格
过充电检测电压:3.8~4.8V(5mV steps)精度±15mV
过放电检测电压:2.0~3.0V(50mV steps)精度±35mV
放电过电流检测电压1:3mV~50mV(0.1mV steps)
精度±0.50mV(MM4142), ±0.75mV(MM4141), ±1.00mV(MM4140)
放电过电流检测电压2:15mV~100mV(0.1mV steps)
精度±1.50mV(MM4142), ±2.00mV(MM4141/MM4140)
充电过电流检测电压: -50mV~-3mV(0.1mV steps)
精度±0.50mV(MM4142), ±0.75mV(MM4141), ±1.00mV(MM4140)
短路检测电压:10mV~150mV(1mV steps)精度±2.5mV
封装
封装1:SSON-6TA/6TB/6TC
外形尺寸:1.4×1.8×0.4(W×D×H) mm *无背片
封装2:SSON-6J/6M
外形尺寸:1.4×1.4×0.55(W×D×H) mm *有背片
封装3:SON-6F
外形尺寸:1.6×1.8×0.55(W×D×H) mm *无背片
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本文由莫子若转载自MITSUMI官网,原文标题为:美蓓亚三美集团旗下三美电机,推出“MM414x系列”单节电池保护IC,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
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MITSUMI半导体传感器选型表
MITSUMI提供以下技术参数的半导体传感器选型,品类包含:压力传感器、差压传感器、风速传感器、温度传感器,分辨率:16位、24位,通信方式:SPI、I2C
产品型号
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品类
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封装
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测量类型
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测量量程
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精度
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分辨率
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通信方式
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工作温度
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检测方式
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MMR901
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压力传感器
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7mm×7mm×7.2mm
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压力
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0~40kPa
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±2.5℃
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16位
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SPI
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0~60℃
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膜片型
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选型表 - MITSUMI 立即选型
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可自由定制电池形状,锂离子聚合物/磷酸铁锂成分,放电倍率Max. 50C (持续放电倍率) / 150C (脉冲放电倍率),充电倍率:Max. 5,厚度可达0.5mm。
最小起订量: 5000 提交需求>
提供7~27寸工控机定制,支持嵌⼊式/ 壁挂式 /桌⾯式/悬挂式等安装方式,采用纯平⾯板IP65防尘防⽔等级,莫⽒7级硬度触摸屏,兼容多种操作系统:组态软件/安卓/XP/win7/8/10/Linux等,支持主板、接⼝、外观、⽀架、刷卡器、⾝份证阅读器、LOGO、⻨克⻛、系统、电池、蓝⽛、4G/5G、摄像头、GPS系统、⼆维码扫描器、指纹等特殊应⽤场景定制
最小起订量: 1台 提交需求>
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