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ME4057DSPG_锂电池充电芯片_电池管理_电源管理IC_电源管理_ICCOOL爱矽库电子元器件一站式采购平台
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首页 > 电源管理 > 电源管理IC > 电池管理 > 锂电池充电芯片 > ME4057DSPG

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分享商品:

制造商:南京微盟
南京微盟电子有限公司(以下简称“微盟电子”)创建于1999年,是一家专业从事模拟集成电路芯片产品研究、开发及销售的高新技术企业。我们的产品目前已广泛应用于信息家电、无线通信、数字通讯和网络技术等多重领域。微盟电子作为中国电子(CEC)旗下的主要IC设计企业,通过了国家首批“集成电路设计企业”认证,并先后获得省、市级“高新技术企业”认定。值得一提的是,华大半导体有限公司作为我们目前最大的股东方,为企业的发展不断提供优质平台和丰富资源。 微盟电子致力于开发电源管理类产品,主要包括LDO系列,DC/DC系列、LED DRIVER、AC/DC系列、锂电管理、电压检测系列、数模混合系列、音频功放IC系列等,并为电子设备的主芯片及相关器件提供优质、稳定的电源解决方案。
制造商官网:进入官网
数据手册: 数据手册

ME4057DSPG

ME4057DSPG 1A 锂电池充电管理芯片系列

本店价:¥0.630

市场价:¥0.750
已售出 0 件 0 人评价
10-19PCS:
¥0.630
20-49PCS:
¥0.600
50-99PCS:
¥0.550
100-499PCS:
¥0.500
500-999PCS:
¥0.420
≥1000PCS:
¥0.320
需求报价
  • 商品货号 DHR001901
  • 寿命周期 在产
  • 可使用0酷币
  • 数   量
    - + PCS
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规格参数

产品名称 : ME4057DSPG
制造商 : 南京微盟
型号: ME4057DSPG
品牌: 南京微盟
封装: ESOP-8
输出电流: 1 A
最小工作温度: - 40 C
最大工作温度: + 85 C

产品介绍





概述 ME4057 是一款完整的单节锂离子电池恒压恒流 充电管理芯片。采用带有散热PAD的ESOP8封装形式, 外加很少

的外部原件,使其成为便携应用的理想选择。 通常可应用在USB电源或适配器电源中。 ME4057不需要电流检测电阻,

也不需要外部隔离 二极管实现防倒灌应用。其内部有热反馈电路可以对在 充电过程中对芯片温度加以控制。充电截止

电压固定在 4.2V/4.34V/4.4V, 充电电流可以外接电阻调节,当充电 电流达到恒流电流的1/10时,ME4057将终止充电。

当输入电压(适配器或USB)被拿掉后,ME4057 进入睡眠模式。芯片内部自动关断充电通路,输入电压 变低。此时

电池漏电流降低到2uA以下。当ME4057有 电源而电池拿掉时,芯片电流为降低至55uA,来降低系 统损耗。 ME4057

还具有电池温度检测,输入欠压锁定,自动 再充电和两个充电指示引脚。

特点

● 防电池反接保护功能

● 可编程充电电流可达1A

● 无需MOSFET,检测电阻或隔离二极管

● 采用ESOP8封装的单节完整线性充电器

● 恒流恒压切换,内部热反馈保护功能

● 精度可达±1%的4.2V/4.34V/4.4V 固定充电截止电压

● 自动再充电功能

● 充电状态双输出,无电池和故障状态显示

● C/10 终止充电

● 待机电流55μA

● 2.9V涓流切换阈值

● 软启动限制浪涌电流

● 电池温度监测功能

应用场合

● 移动电话

● 数码相机

● MP3,MP4播放器

● 蓝牙应用

● 便携设备

● USB电源,适配器

封装形式

● 8-pin ESOP8



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