【产品】圣邦微新推集成NMOS双通道负载开关SGM2596,0.6V至5.7V宽压输入,支持6A连续负载电流
圣邦微电子(SGMICRO)SGM2596是一颗集成NMOS双通道负载开关,0.6V至5.7V宽压输入,16mΩ低导通内阻,每个通道支持高达6A连续负载电流、22μA低静态工作电流和6nA的超低关断电流,且每个通道独立控制,并各自外置软启动设置管脚,配置灵活、使用方便。芯片具有过温保护功能,工作温度范围-40℃至+105℃,采用散热性能良好的TDFN-3×2-14AL绿色封装。
SGM2596典型特性
· 0.6V至5.7V宽压输入;
· 每个通道集成一个16mΩ低导通内阻NMOS开关;
· 每个通道支持最大6A连续负载电流;
· 22μA(典型值)静态电流和6nA(典型值)超低关断电流;
· 每个通道使能独立控制且符合I/O口标准逻辑电平;
· 具备软启动功能且每路输出上升斜率独立控制;
· 热关断保护和自恢复功能;
· 每个通道自带快速输出放电(QOD)功能(仅限SGM2596D);
· -40℃至+105℃工作温度范围;
· 自带散热焊盘且符合环保理念的TDFN-3×2-14AL绿色封装。
SGM2596核心特点
1.集成双路负载开关,可大大减少占板面积;16mΩ低导通内阻可进一步提升效率,每路支持高达6A连续负载电流,非常适合像超级本、上网本、SSD驱动器或便携类设备等大电流应用场合。
2.每个通道使能独立控制,接口电平满足标准I/O口逻辑电平,可直接输出控制单片机或CPU等I/O口,实现时序控制更简单。另外每个通道软启动通过外设电容独立控制,可有效减小开通时涌浪电流,使用配置更灵活。如下图所示,SGM2596实现有序控制示意图。
3.SGM2596D具有快速输出放电(QOD)功能,对于满足快速开关机功能特别有效。当系统关机后,可将SGM2596D输出电容上的电荷快速释放掉,为下一次重新上电做好准备,避免系统因时序混乱而无法启动。
4.SGM2596具有低静态工作电流和超低关断电流。通常在电池供电的低功耗产品中,这两项指标是特别要关注的。低静态工作电流可大大降低设备正常工作时的功耗,使其单、双通道下都可以维持比较低的静态功耗,尽可能延长设备使用和续航时间;6nA超低关断电流可大大减小设备待机或者睡眠状态下的功耗,极大地延长了设备待机时间。
5.启动及关闭波形。在启动过程中,输出按照内部的软启动设计,缓起爬升避免输入的涌浪电流冲击;关闭过程中按照设定的tOFF时间进行关断功率管。
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本文由犀牛先生转载自SGMICRO,原文标题为:圣邦微电子负载开关SGM2596,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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阿尼古 Lv8. 研究员 2022-05-27感谢分享
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SGMICRO负载开关选型表
24V、5.5V负载开关,最大负载电流6A,限流值可调,多种小封装。防反向电压,70热插拔芯片。
产品型号
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品类
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Vcc (Min)(V)
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Vcc (Max)(V)
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Iq (μA)
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Continuous Output Current (mA)
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Current Limit(mA)
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Soft-Start
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Package
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SGM2521
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Load Switch
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4.5
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24
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170
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2000
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Programmable (260~2000)
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Soft-Start
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SOIC-8 TDFN-2×3-8BL
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描述- The SGM2564 and SGM2565 product family is a small, ultra-low on-resistance load switch with controlled turn on.
型号- SGM2564YG,SGM2564TR,SGM2564YG/TR,SGM2565,SGM2564
【经验】SGMICRO升压芯片SGM6610的应用设计经验
SGM6610是一款高功率密度的同步升压转换器,内置11mΩ功率开关和13mΩ整流开关。某客户的智能电动窗帘项目,由锂电池供电,升压至10V后驱动电机,控制窗帘的开启和关闭,需要一颗升压芯片,给客户推荐了SGMICRO的升压芯片SGM6610。
设计经验 发布时间 : 2022-09-26
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满足150W内适配器、PD快充、氮化镓快充等主流产品测试需要;并可查看被测开关电源支持协议,诱导多种充电协议输出,结合电子负载和示波器进行高精度测试。测试浪涌电流最大40A。支持到场/视频直播测试,资深专家全程指导。
实验室地址: 深圳 提交需求>
配备KEYSIGHT网络分析仪,可测量无线充电系统发射机/接收机线圈的阻抗,电感L、电阻R、电感C以及品质因数Q,仿真不同充电负载阻抗下的无线充电传输效率。支持到场/视频直播测试,资深专家全程指导。
实验室地址: 深圳 提交需求>
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