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KUU DW01A
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- KUU DW01A
- Type
- KUU
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- KUU
- Electronic Component
- DW01A
- Electronic Component
- 1
- Package
- SOT-23-6
- Electronic Component
- Battery Management
- Electronic Component
- 0.037g
- Electronic Component
- 1
- Electronic Component
- BM0258756626
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 1.5V~8V
- Battery Type
- Battery
- Battery
- 1
- ICType
- IC
- 0VBattery
- Electronic Component
- Static Current(Iq)
- 4uA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
DW01A 产品概述
一、产品简介
DW01A 是一款面向单节锂电池的保护芯片（品牌：KUU），工作电压范围为 1.5V ~ 8V，工作温度范围为 -40℃ ~ +85℃，封装为 SOT-23-6。芯片集成了对电池的过充、过放、过流/短路保护和 MOSFET 驱动功能，静态电流仅为 4µA，适合对续航和待机时间要求较高的便携式设备。芯片支持对已被放至 0V 的电池进行唤醒充电，但不内置电池温度检测功能。
二、主要功能与特点
- 过充保护与充电截止：充电饱和电压为 4.3V，当电池电压达到设定上限时切断充电回路，防止过充。
- 过放保护与放电截止：放电截止电压为 2.4V，避免电池过度放电导致损伤。
- 过流与短路保护：具备充放电过流检测与短路响应，能够在异常电流时快速断开输出，保障电池与负载安全。
- 0V 唤醒充电支持：对已被深度放电至 0V 的电池，芯片允许外部充电器恢复电池电压并重置保护状态。
- 超低静态电流：工作静态电流为 4µA，有利于延长电池在待机状态下的寿命。
- 宽工作电压与温度范围：1.5V8V 工作电压使其适配单节锂离子/聚合物电池系统，-40℃+85℃ 的温度范围适用于多种环境。
三、典型应用场景
- 移动电源、便携式播放器、蓝牙耳机及小型智能穿戴设备等单节锂电池供电的便携电子产品；
- 小型物联网终端、遥控设备和低功耗传感器节点，要求低静态电流与可靠保护；
- 需要 0V 唤醒功能的维修或回收场景，可直接由充电器对深度放电电池进行恢复充电。
四、封装与引脚
- 封装形式：SOT-23-6，适合表面贴装工艺，利于量产与紧凑 PCB 布局。
- 常用外围：通常与外接双 MOSFET 配合构成充放电开关，配合少量阻容元件实现完整保护电路。芯片本身提供 MOSFET 驱动引脚、检测输入与参考地等基本功能端口。
五、设计与使用注意事项
- 温度检测：芯片不支持电池温度检测，若应用场景对温度保护有要求，需在外部增加 NTC/热敏元件与温度监控电路。
- 充放电阈值匹配：本芯片充放电阈值为 4.3V/2.4V，若电池或系统对终止电压有严格要求，请在设计时确认与电池厂商推荐值一致性。
- MOSFET 选型与布局：为保证短路和高电流条件下的可靠性，建议选择低 RDS(on) 的 MOSFET 并优化 PCB 的电流走线与散热。
- 0V 保护策略：虽然支持 0V 唤醒充电，仍应避免长期深度放电，以延长电池寿命并减少安全风险。
六、采购与技术支持
KUU 品牌的 DW01A（SOT-23-6 封装）适合批量采购与替换使用。选型时请核对厂商提供的完整数据手册，确认典型工作曲线、保护延时与试验条件。对接应用设计可参考典型应用电路图并在实际工况下进行可靠性与安全性验证。若需实现温度保护或特殊阈值，请联系供应商或开发外部补偿电路。
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