Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
ETA ETA4056E8A
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- ETA ETA4056E8A
- Type
- ETA
- Minimum package
- 4000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- ETA
- Electronic Component
- ETA4056E8A
- Electronic Component
- 1
- Package
- ESOP8
- Electronic Component
- Battery Management
- Electronic Component
- 0.161g
- Electronic Component
- 1
- Features
- Programmable Current
- Electronic Component
- BM0226462192
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 4.25V~6V
- Battery Type
- Battery
- Battery
- 1
- ICType
- IC
- Static Current(Iq)
- 65uA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
ETA4056E8A 产品概述
一、概述
ETA4056E8A 是钰泰（ETA）推出的一款单节锂电池充电管理芯片，封装为 ESOP8。芯片面向便携电子、可穿戴设备、物联网终端和小型电源模块等场景，提供高效、可靠的恒流-恒压（CC/CV）充电管理，支持电池温度检测以提高充电安全性与寿命。
二、主要特性
- 最大充电电流：1.2A，可满足中小功率快速充电需求。
- 充电饱和电压：4.20V（典型值，适用于标准锂离子电池）。
- 工作电压范围（输入）：4.25V ~ 6.0V，适配常见 USB 与适配器电源。
- 静态电流（Iq）：典型 65μA，利于待机功耗控制。
- 电池类型：单节锂电池（1-cell）。
- 工作温度范围：-40℃ ~ +85℃，适应工业级环境。
- 支持电池温度检测（NTC 等），提升充电安全与温度闭环控制。
三、电气与热限制
芯片在最大充电电流下受限于封装散热与外部布局，实际能否稳定工作需根据 PCB 及环境温度评估。建议在靠近芯片布置散热铜箔，并遵循厂方热特性曲线和电流限制建议，避免长时间满额定电流导致温升触发热降额。
四、保护与功能
ETA4056E8A 提供常见充电管理保护功能（过压、欠压、过温与短路/开路保护等），并通过电池温度检测实现温度异常时的充电抑制或停充策略。具体保护阈值与行为请参照厂家完整规格书以确保系统设计符合安全要求。
五、封装与典型应用
- 封装：ESOP8，便于自动贴装与散热处理。
- 典型应用：移动电源、便携式播放器、蓝牙音箱、智能穿戴、物联网终端及小型充电模块等。
六、设计建议
- 通过遵循规格书建议的外部电阻/电感/电容配置完成输入滤波与充电电流设置；充电电流上限为 1.2A，但应以热性能和电池规格为准。
- 使用匹配的 NTC 温度传感器实现电池温度检测，并在固件或外部电路中实现温度异常处理策略。
- 在高温或高负载场景下增加散热面积，并进行系统级热仿真与实测验证。
如需参考原厂典型应用电路、引脚定义或详细热特性，请索取 ETA4056E8A 官方数据手册以完成最终设计与可靠性验证。
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