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CONSONANCE CN3162
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- CONSONANCE CN3162
- Type
- CONSONANCE
- Minimum package
- 4000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- CONSONANCE
- Electronic Component
- CN3162
- Electronic Component
- 1
- Package
- SOP-8-EP
- Electronic Component
- Battery Management
- Electronic Component
- 0.161g
- Electronic Component
- 1
- Features
- Programmable Current
- Electronic Component
- BM0257674200
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 3.8V~6V
- Battery Type
- Battery
- Battery
- 1
- ICType
- IC
- 0VBattery
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
CN3162 电池管理芯片概述
一、产品简介
CN3162 是 CONSONANCE（上海如韵）推出的一款用于单节锂电池的充电管理芯片，封装为 SOP-8-EP。芯片面向便携设备与低功耗系统，提供稳定的充电控制和电池监测功能，适配常见的单节锂离子/锂聚合物电池。
二、主要功能与特点
- 支持单节锂电池充电的恒流-恒压（CC/CV）控制策略；充电饱和电压为 4.2V。
- 最大充电电流可达 1A，适合中等容量电池的快速充电需求。
- 内置电池温度检测接口，可接外部热敏电阻（NTC）以实现温度保护与充电允许判断。
- 低静态电流（Iq）约 300µA，有利于在待机或无输入时降低自放电与系统功耗。
- 宽工作温度范围：-40℃ 到 +85℃，适应工业级环境。
三、电气与工作参数
- 工作电压范围：3.8V ～ 6V（输入侧），需保证输入电压高于充电终止电压以完成恒压充电阶段。
- 充电饱和电压（终止电压）：4.2V（单节电池）。
- 最大充电电流：1A（实际值建议通过外部限流元件或设定电阻调整）。
这些参数决定了芯片适用的电源与外设选型，应根据系统需求配置输入源与散热条件。
四、典型应用场景
- 便携式消费电子：蓝牙音箱、便携摄像头、手持终端等。
- 小型电源储备设备：小功率充电宝、备用电池管理模块。
- 工业与物联网终端：数据采集器、传感器节点、智能仪表等需单节电池管理的场合。
五、封装与热管理
CN3162 提供 SOP-8-EP 封装，带裸露金属散热墩（EP），便于焊接到电路板的大地/散热平面上以增强散热能力。高充电电流工作时建议采用适当的铜箔面积及散热设计，保证可靠性与温升控制。
六、设计要点与注意事项
- 输入电压应稳定并高于 4.2V 的充电要求，建议考虑 USB 或适配器电源的容差与瞬态特性。
- 充电电流需依据电池规格设定，1A 为芯片上限，实际应用中通常通过外部电阻或电流检测元件限定。
- 外接温度检测元件（NTC）应按芯片推荐连线与阻值选型，以实现准确的温度保护。
- 关注静态电流对系统待机寿命的影响，在无输入时合理隔离或断开负载。
- 在高温或高电流条件下，落实 PCB 散热与热限流设计，避免温升引发保护动作或器件老化。
以上为 CN3162 的产品概述与设计参考，适用于需要单节锂电池稳定充电与温度监测的电子产品开发。若需详细的引脚定义、电路示例与应用说明，请参考 CONSONANCE 官方资料与数据手册。
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