电子创新元件网 - SGM41528 - 德赢平台,德赢ac米兰官方区域合作伙伴 //www.jhzyg.net/tag/sgm41528 zh-hans 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