电子创新元件网 - 圣邦微电子 - 德赢平台,德赢ac米兰官方区域合作伙伴 //www.jhzyg.net/tag/%E5%9C%A3%E9%82%A6%E5%BE%AE%E7%94%B5%E5%AD%90 zh-hans 圣邦微电子推出集成NMOS双通道负载开关SGM2596 //www.jhzyg.net/content/2022/100559880.html <!-- THEME DEBUG --> <!-- CALL: theme('field') --> <!-- FILE NAME SUGGESTIONS: * field--body--article.tpl.php * field--article.tpl.php * field--body.tpl.php * field--text-with-summary.tpl.php x field.tpl.php --> <!-- BEGIN OUTPUT from 'sites/all/themes/Murata/templates/field.tpl.php' --> <!-- This file is not used by Drupal core, which uses theme functions instead. See http://api.drupal.org/api/function/theme_field/7 for details. After copying this file to your theme's folder and customizing it, remove this HTML comment. --> <div class="field field-name-body field-type-text-with-summary field-label-hidden"> <div class="field-items"> <div class="field-item even"><p>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。<br /> </p><center><img src="//www.jhzyg.net/files/2022-04/wen_zhang_/100559880-251666-1.jpg" alt="" /></center> <p><strong>SGM2596典型特性</strong></p> <p>0.6V至5.7V宽压输入;</p> <p>每个通道集成一个16mΩ低导通内阻NMOS开关;</p> <p>每个通道支持最大6A连续负载电流;</p> <p>22μA(典型值)静态电流和6nA(典型值)超低关断电流;</p> <p>每个通道使能独立控制且符合I/O口标准逻辑电平;</p> <p>具备软启动功能且每路输出上升斜率独立控制;</p> <p>热关断保护和自恢复功能;</p> <p>每个通道自带快速输出放电(QOD)功能(仅限SGM2596D);</p> <p>-40℃至+105℃工作温度范围;</p> <p>自带散热焊盘且符合环保理念的TDFN-3×2-14AL绿色封装。</p> <p><strong>SGM2596核心特点</strong></p> <p>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。</p> <p>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。<br /> </p><center><img src="//www.jhzyg.net/files/2022-04/wen_zhang_/100559880-251667-2.jpg" alt="" /></center> <p>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。</p> <p>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。<br /> </p><center><img src="//www.jhzyg.net/files/2022-04/wen_zhang_/100559880-251668-3.jpg" alt="" /></center><br /> <center><img src="//www.jhzyg.net/files/2022-04/wen_zhang_/100559880-251669-4.jpg" alt="" /></center> <p>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。<br /> </p><center><img src="//www.jhzyg.net/files/2022-04/wen_zhang_/100559880-251670-5.jpg" alt="" /></center><br /> <center><img src="//www.jhzyg.net/files/2022-04/wen_zhang_/100559880-251671-6.jpg" alt="" /></center> </div> </div> </div> <!-- END OUTPUT from 'sites/all/themes/Murata/templates/field.tpl.php' --> <!-- THEME DEBUG --> <!-- CALL: theme('field') --> <!-- FILE NAME SUGGESTIONS: x field--field-keywords--article.tpl.php * field--article.tpl.php * field--field-keywords.tpl.php * field--taxonomy-term-reference.tpl.php * field.tpl.php --> <!-- BEGIN OUTPUT from 'sites/all/themes/Murata/templates/field--field-keywords--article.tpl.php' --> <!-- This file is not used by Drupal core, which uses theme functions instead. See http://api.drupal.org/api/function/theme_field/7 for details. After copying this file to your theme's folder and customizing it, remove this HTML comment. --> <ul class="list-inline"> <li> <a href="/tag/sgm2596"><span class='glyphicon glyphicon-tag'></span> SGM2596</a> </li> <li> <a href="/tag/负载开关"><span class='glyphicon glyphicon-tag'></span> 负载开关</a> </li> <li> <a href="/tag/圣邦微电子"><span class='glyphicon glyphicon-tag'></span> 圣邦微电子</a> </li> <li> <a href="/tag/电源管理"><span class='glyphicon glyphicon-tag'></span> 电源管理</a> </li> </ul> <!-- END OUTPUT from 'sites/all/themes/Murata/templates/field--field-keywords--article.tpl.php' --> Wed, 27 Apr 2022 06:18:11 +0000 judy 100559880 at //www.jhzyg.net //www.jhzyg.net/content/2022/100559880.html#comments 圣邦微电子推出5V输入升压架构两节串联锂电池充电管理芯片SGM41528 //www.jhzyg.net/content/2022/100559230.html <!-- THEME DEBUG --> <!-- CALL: theme('field') --> <!-- FILE NAME SUGGESTIONS: * field--body--article.tpl.php * field--article.tpl.php * field--body.tpl.php * field--text-with-summary.tpl.php x field.tpl.php --> <!-- BEGIN OUTPUT from 'sites/all/themes/Murata/templates/field.tpl.php' --> <!-- This file is not used by Drupal core, which uses theme functions instead. See http://api.drupal.org/api/function/theme_field/7 for details. After copying this file to your theme's folder and customizing it, remove this HTML comment. --> <div class="field field-name-body field-type-text-with-summary field-label-hidden"> <div class="field-items"> <div class="field-item even"><p>随着电子产品输出功率的不断提高,单节电池所能提供的输出功率已经不能满足这些高功率产品的需求,因此两节、三节甚至更多节电池串联的供电的方案得以大量应用,如移动POS机、数码相机、蓝牙音箱、便携式打印机、无人机、机器人、电动工具等,伴随而来的是为这些串联电池包提供充电的方案需求。在各种拓扑架构的开关充电方案中,高压输入降压方案需配置专用适配器,高压输入降压-升压方案的成本太高,低压5V输入升压方案就非常适合为两节锂电池提供充电。</p> <p>圣邦微电子推出的SGM41528就是这样一颗5V输入可为两节串联锂电池提供2A充电及路径管理的芯片,具有完整的涓流预充、恒流、恒压充电流程和浮充定时功能,可在双节锂电池的POS机、蓝牙音箱等电子产品中使用,它可以适配几乎任何USB接口的适配器。SGM41528支持免适配器的产品配置,为厂商和终端用户节约了成本,更为人类环保事业增添一抹绿色。</p> <p><strong>SGM41528典型特性</strong></p> <p>输入耐压:20V(最大值);</p> <p>输入工作电压:3.9V至6.2V;</p> <p>充电电流:100mA至2.2A,50mA步进;</p> <p>满充电压:6.8V至9.2V,10mV步进;</p> <p>充电效率:92.5%@1A,VBAT = 7.6V;</p> <p>最大反向Buck模式OTG电流:2A;</p> <p>OTG放电效率:94.5%@5V,1A;</p> <p>支持脉冲频率调制(PFM)轻载高效模式;</p> <p>轻载Out-of-Audio模式可选;</p> <p>完整的涓流预充、恒流、恒压充电流程;</p> <p>可配置的浮充定时功能;</p> <p>BC1.2,自动识别SDP、CDP、DCP和非标适配器;</p> <p>输入电压、输入电流动态功率跟踪;</p> <p>适配器最大功率跟踪功能;</p> <p>窄电压直流充电(NVDC)功率路径管理;</p> <p>BATFET导通阻抗13mΩ;</p> <p>16-Bit ADC监控各电压、电流、负温度系数(NTC)、结温;</p> <p>可编程JEITA;</p> <p>灵活易用的I2C接口;</p> <p>高精度满充电压;</p> <p>高精度恒流电流;</p> <p>过热、过流、过压、短路等多重安全保护;</p> <p>符合环保理念的WLCSP-2.1×2.1-25B绿色封装。</p> <p align="center"><strong>SGM41528典型应用电路</strong></p> <p></p><center><img src="//www.jhzyg.net/files/2022-04/wen_zhang_/100559230-248723-01.png" alt="" /></center> <p align="center"><strong>SGM41528封装PIN定义</strong></p> <p></p><center><img src="//www.jhzyg.net/files/2022-04/wen_zhang_/100559230-248724-02.png" alt="" /></center> <p align="center"><strong>SGM41528实测充电曲线</strong></p> <p></p><center><img src="//www.jhzyg.net/files/2022-04/wen_zhang_/100559230-248725-03.png" alt="" /></center> <p align="center"><strong>SGM41528充电效率曲线</strong></p> <p></p><center><img src="//www.jhzyg.net/files/2022-04/wen_zhang_/100559230-248726-04.png" alt="" /></center> <p><strong>SGM41528符合JEITA安全准则</strong><br /> </p><center><img src="//www.jhzyg.net/files/2022-04/wen_zhang_/100559230-248727-05.png" alt="" /></center> 、 <p align="center"><strong>充电电流调整示意图</strong></p> <p></p><center><img src="//www.jhzyg.net/files/2022-04/wen_zhang_/100559230-248728-06.png" alt="" /></center> <p align="center"><strong>充电电压调整示意图</strong></p> <p><strong>SGM41528集成16-Bit高精度ADC</strong></p> <p>ADC转换速度可调;</p> <p>ADC有效分辨率可调;</p> <p>IBUS:0A至4A,1mA步进;</p> <p>ICHG:0A至4A,1mA步进;</p> <p>VBUS:0V至6.5V,1mV步进;</p> <p>VBAT:0V至10V,1mV步进;</p> <p>VSYS:0V至10V,1mV步进;</p> <p>VTS:0%至94.9% (of VREG),0.098%步进;</p> <p>VTDIE:0℃至128℃,0.5℃步进。</p> </div> </div> </div> <!-- END OUTPUT from 'sites/all/themes/Murata/templates/field.tpl.php' --> <!-- THEME DEBUG --> <!-- CALL: theme('field') --> <!-- FILE NAME SUGGESTIONS: x field--field-keywords--article.tpl.php * field--article.tpl.php * field--field-keywords.tpl.php * field--taxonomy-term-reference.tpl.php * field.tpl.php --> <!-- BEGIN OUTPUT from 'sites/all/themes/Murata/templates/field--field-keywords--article.tpl.php' --> <!-- This file is not used by Drupal core, which uses theme functions instead. See http://api.drupal.org/api/function/theme_field/7 for details. After copying this file to your theme's folder and customizing it, remove this HTML comment. --> <ul class="list-inline"> <li> <a href="/tag/圣邦微电子"><span class='glyphicon glyphicon-tag'></span> 圣邦微电子</a> </li> <li> <a href="/tag/sgm41528"><span class='glyphicon glyphicon-tag'></span> SGM41528</a> </li> <li> <a href="/tag/电源管理"><span class='glyphicon glyphicon-tag'></span> 电源管理</a> </li> </ul> <!-- END OUTPUT from 'sites/all/themes/Murata/templates/field--field-keywords--article.tpl.php' --> Thu, 07 Apr 2022 02:39:49 +0000 judy 100559230 at //www.jhzyg.net //www.jhzyg.net/content/2022/100559230.html#comments