沁恒推出无线充电管理芯片及MCU CH246+CH641,可轻松实现Qi等各类无线充电方案
无线充电管理芯片CH246单芯片集成无线充电收发模块及小信号解码电路,可轻松实现Qi等各类无线充电方案。CH246支持PD2.0、BC1.2多种协议快充输入,5W、7.5W、10W、15W无线充电输出,片内集成FSK/ASK解码,过压、过流、过温检测保护,集成度高,外部器件少,可广泛应用于各类无线充电底座支架等设计。
CH246使用OTP工艺,适合需求明确、注重成本优化的充电方案。
Flash工艺的PD及无线充电专用MCU CH641功能更丰富、灵活性更强,可快速构建差异化的无线充电产品。
方案特点
支持5V-12V输入电压
支持5W、7.5W、10W、15W无线充电输出功率
输入支持PD2.0、BC1.2等多种快充协议
支持半桥、全桥输出模式
内部集成硬件过压、欠压、过温保护
内部集成电流检测差分运放,硬件过流保护
内部集成FSK/ASK解调模块,外部器件只需少量阻容
支持静态、动态FOD检测
支持NPO、CBB、X7R电容,使用NPO电容时效率可达85%
独立2路LED状态指示灯
典型静态功耗25mW
典型应用形式:无线充底座、无线充支架、车载无线充
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本文由ll转载自沁恒,原文标题为:沁恒CH246+CH641关于无线充电解决方案,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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应用方案 发布时间 : 2024-11-05
【应用】芯洲科技提供15W以下车载无线充电源芯片集成化解决方案,专注安全高效电源管理
车载无线充在设计上一般涉及控制芯片、磁吸线圈、传感器、电源管理等几个模块。在选择无线充模块时需要关注充电效率、安全性及兼容性。本文中芯洲科技将以15W以下的系统解决方案为例详细说明电源管理芯片选型时的重要指标。
应用方案 发布时间 : 2023-03-31
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可定制DC风扇的尺寸范围:15mm~225mm;转速:≤16500 RPM;噪音:≥10.4dB,还可定制厚度、电压、风量、风压等参数,符合 RoHS 标准。
最小起订量: 1 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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