WMSIC Electronic Components

CONSONANCE CN3085

ModelCN3085
PackageSOP-8-EP
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
CONSONANCE CN3085
Type
CONSONANCE
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CONSONANCE
Electronic Component
CN3085
Electronic Component
1
Package
SOP-8-EP
Electronic Component
Battery Management
Electronic Component
0.161g
Electronic Component
1
Features
Programmable Current
Electronic Component
BM0226176180
Operating Temperature
40℃~+85℃
Operating Voltage
3.8V~6V
Battery Type
Battery
Battery
1~3
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.

CN3085 电池管理芯片(SOP-8-EP)产品概述

一、产品简介

CN3085 是由 CONSONANCE(上海如韵)提供的一款面向镍氢电池(NiMH)组的充电管理芯片,封装为 SOP-8-EP,适用于 1~3 节镍氢电池的充电场合。芯片工作温度范围宽(-40℃ 至 +85℃),静态电流仅为 3 μA,能在低功耗方案中延长系统待机时间,同时支持电池温度检测功能以提高充电安全性与可靠性。芯片充电饱和电压标称为 1.205 V(单节),工作电源电压范围为 3.8 V 至 6 V。

二、主要特点

  • 支持电池类型:镍氢电池(NiMH),1 至 3 节配置;
  • 工作电压:3.8 V ~ 6 V,便于与常见电源适配器或电池组配合使用;
  • 低静态电流:Iq = 3 μA,降低待机能耗;
  • 温度检测:内置/外接温度检测支持,提升充电安全性(需外接热敏元件以实现温度判别);
  • 充电饱和电压:单节 1.205 V(用于充电截止或饱和判断);
  • 封装形式:SOP-8-EP,带导热/接地敷铜垫,便于散热与可靠焊接;
  • 工作温度:-40℃ ~ +85℃,适应工业级与消费类环境。

三、典型应用场景

  • 手持与便携式设备的 NiMH 电池充电管理(遥控器、无线手柄、便携测量仪器等);
  • 低功耗传感与远程采集节点,需在待机时保持极低静态损耗的场合;
  • 家用小家电、玩具、电动工具的电池充电子系统(配合适当的外围保护);
  • 需要温度监测以避免过热充电的场合。

四、设计注意要点

  • 电源裕量:输入电压应保证高于待充电池组电压及芯片所需压差以维持稳定充电;当并联多节电池时,确认输入端能覆盖最高充电电压;
  • 温度检测接口:为实现温度保护功能,应按照参考设计接入热敏电阻(NTC)或温度传感器,并设置合理的温度阈值与保护策略;
  • 充电电流设定:通过外部检测电阻或外围电路设置充电电流,应确保充电电流与电池厂商推荐值一致,避免过大电流导致电池寿命下降或安全隐患;
  • 散热与布线:SOP-8-EP 的裸露焊盘(EP)需与 PCB 大面积敷铜良好焊接,以利散热与稳定性;高电流路径应采用粗短走线以降低压降与发热;
  • 保护与检测:建议配合限流、反接保护、熔断和定时器等外围电路,以增强系统安全;在设计中预留电池电压与温度检测采样接口以便监控与故障诊断。

五、封装与可靠性

SOP-8-EP 封装有利于热量传导与机械固定,适用于需较长寿命与较高可靠性的产品。工作温度覆盖 -40℃ 至 +85℃,满足工业与民用多数应用环境要求。为保证焊接质量与长期可靠性,建议按制造商推荐的焊接工艺与回流曲线进行 PCB 装配。

六、选型与采购建议

在选型时,确认系统电源能够在充电过程中提供足够电压和电流裕量;根据目标应用确定是否需要完整的电池温度检测功能与外部保护模块。对于希望在小体积、低功耗场景中实现稳定 NiMH 充电管理的产品,CN3085(SOP-8-EP)是一个便捷的方案。采购与技术支持可联系 CONSONANCE(上海如韵)或其授权分销渠道获取最新数据手册与参考设计。

如需详细的电气参数表、典型应用电路与 PCB 布局建议,可提供您的应用场景与电源/电池规格,我可以进一步给出更具体的设计建议与元件选型清单。

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