WMSIC Electronic Components

CONSONANCE CN3170

ModelCN3170
PackageSOP-8
BrandCONSONANCE
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
CONSONANCE CN3170
Type
CONSONANCE
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CONSONANCE
Electronic Component
CN3170
Electronic Component
1
Package
SOP-8
Electronic Component
Battery Management
Electronic Component
0.103g
Electronic Component
1
Features
Programmable Current
Electronic Component
BM0257674184
Operating Temperature
40℃~+85℃
Operating Voltage
4.4V~6V
Battery Type
Battery
Battery
1
ICType
IC
Static Current(Iq)
3uA

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

CN3170 产品概述

一、产品简介

CN3170 是由 CONSONANCE(上海如韵)推出的一款单节锂电池充电管理芯片,封装为 SOP-8。芯片采用典型的恒流-恒压(CC/CV)充电策略,支持电池温度检测,静态电流极低(Iq = 3 μA),适合便携与低功耗电池管理应用。工作温度范围宽广(-40℃ ~ +85℃),适合工业级与民用场景。

二、主要规格参数

  • 芯片类型:充电芯片
  • 工作电压范围:4.4 V ~ 6.0 V
  • 最大充电电流:950 mA
  • 充电饱和电压(终止电压):4.20 V(单节锂电池)
  • 电池类型:单节锂离子/锂聚合物电池
  • 电池节数:1 节
  • 电池温度检测:支持(外接温度传感器/NTC 接口)
  • 静态电流(Iq):3 μA
  • 工作温度:-40℃ ~ +85℃
  • 封装形式:SOP-8
  • 品牌:CONSONANCE(上海如韵)

三、功能特点与优势

  • 恒流-恒压充电流程,保证充电效率与电池寿命;
  • 最大可提供 950 mA 充电电流,能满足中等容量电池快速充电需求;
  • 低静态电流(3 μA),在无充电时对电池自放电影响最小;
  • 支持电池温度检测,能够实现温度保护与充电优化;
  • 宽输入电压范围(4.4 V~6 V),兼容常见 USB 或单节电源管理场景;
  • 工业级温度范围与 SOP-8 封装,便于散热与 PCB 布局。

四、典型应用场景

  • 便携式设备电池充电模块(手持终端、小型仪器等);
  • 移动电源与充电宝前端管理;
  • 智能家居电池供电单元;
  • 工业监测设备与现场传感器(需宽温性能);
  • 各类单节锂电池充电解决方案的二次开发与模块化产品。

五、设计建议与注意事项

  • 输入电压应稳定在 4.4 V ~ 6.0 V 区间,且电源需能提供充电电流与一定余量;
  • 通过外置电流检测元件(取样电阻)来设定充电电流,注意取样电阻的功耗与电流承受能力;
  • 推荐在输入端与输出端并联合适的电解/陶瓷电容以抑制纹波,确保充电过程稳定;
  • 若使用温度检测功能,建议采用常见 NTC(例如 10 kΩ@25℃)并按芯片手册设定温度阈值;
  • 充电过程需考虑热耗散设计:近 1 A 电流水平下芯片与PCB必须有良好散热路径;
  • 充电终止与涓流策略应依据电池制造商建议设定,建议终止电流取 C/10 或按系统需求调整;
  • 为安全考虑,仍建议配合电池保护电路(过充、过放、短路保护)共同使用。

六、封装与布局提示

SOP-8 封装便于手工焊接与批量贴片生产。布板时应:

  • 在芯片散热引脚处安排大面积铜箔与过孔以改善散热;
  • 输入/输出走线粗短,取样电阻与相关引脚靠近芯片布置;
  • NTC 与电池端尽量靠近电池以获得准确温度反馈。

七、总结

CN3170 为单节锂电池提供了一个低静态电流、支持温度检测且最大充电电流可达 950 mA 的充电管理解决方案。其宽工作电压与工业级温度范围,使其在便携设备、工业传感与电源模块等领域具备良好适用性。设计时需重视散热、取样电阻选型与温度检测配置,以保证充电效率与电池安全。

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