WMSIC Electronic Components

HL 4056D

Model4056D
PackageESOP-8
BrandHL
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
HL 4056D
Type
HL
Minimum package
4000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HL
Electronic Component
4056D
Electronic Component
1
Package
ESOP-8
Electronic Component
Battery Management
Electronic Component
0.173g
Electronic Component
1
Features
Programmable Current
Electronic Component
BM0265793212
Operating Temperature
40℃~+85℃
Operating Voltage
2.9V~9V
Battery Type
Battery
Battery
1
ICType
IC
Static Current(Iq)
70uA

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

HL富海微4056D锂电池充电管理芯片产品概述

HL富海微推出的4056D是一款专为单节锂电池设计的线性充电管理芯片,凭借宽电压范围、低静态功耗、集成温度检测等特性,适配消费电子、工业便携等多场景需求,以下从核心参数、关键特性、应用场景等维度展开说明。

一、核心参数梳理

4056D的核心参数精准匹配单节锂电池充电需求,关键指标清晰明确:

  • 输入电压范围:2.9V~9V,覆盖USB 5V、移动电源输出、低电压适配器等常见供电场景;
  • 最大充电电流:1A,支持多数单节锂电池(如18650、聚合物锂电)的快充需求;
  • 充电饱和电压:4.2V,精准控制电池满充电压,避免过充损伤电池;
  • 电池适配:单节锂电池(3.7V标称),兼容主流锂电类型;
  • 工作温域:-40℃~+85℃,满足工业级低温环境(如户外传感器)和消费级高温场景(如车载设备);
  • 静态电流(Iq):70uA,待机状态下耗电极低,适合低功耗设备长期待机;
  • 封装形式:ESOP-8,体积小巧,引脚布局紧凑。

二、关键特性解析

4056D在设计上兼顾性能与可靠性,核心特性包括:

  1. 宽电压输入兼容性:输入电压覆盖2.9V(接近单节锂电最低放电电压)到9V,无需额外升压/降压电路,直接适配多种供电源,简化系统设计;
  2. 高精度满充控制:4.2V饱和电压精度达±1%(典型值),确保电池满充后快速切换至涓流充电,平衡充电效率与电池寿命;
  3. 大电流充电能力:1A最大充电电流,满足智能手环、TWS耳机等便携设备的快速补电需求,减少充电等待时间;
  4. 低静态功耗优势:70uA静态电流远低于同类芯片平均水平,待机时几乎不消耗系统电量,适合长期待机的电池供电设备(如智能门锁、温湿度传感器);
  5. 集成温度检测功能:预留NTC热敏电阻接口,可实时监测电池温度,当温度超过60℃(高温)或低于0℃(低温)时,自动降低充电电流或停止充电,避免电池过温/过冷导致的安全风险;
  6. 小封装高集成度:ESOP-8封装尺寸仅5.3mm×6.3mm,引脚间距1.27mm,焊接兼容性好,可大幅节省PCB布局空间,适配小型化设备需求。

三、应用场景适配

4056D的参数与特性使其适配多类设备,典型应用包括:

  • 消费电子便携设备:TWS蓝牙耳机、智能手环、智能手表、便携式蓝牙音箱等,满足小体积、低功耗、快充需求;
  • 小型移动电源:10000mAh以下单节锂电移动电源,宽电压输入适配不同适配器,1A电流满足快速充电;
  • 智能家居设备:智能门锁(长期待机,低静态功耗)、温湿度传感器(工业级温域)、无线门铃等;
  • 工业便携终端:户外手持终端、车载小设备(如行车记录仪备用电池)、工业传感器(低温环境工作);
  • 消费电子配件:无线充电器、手机应急充电宝、智能台灯等。

四、可靠性与品牌保障

HL富海微作为国内专注功率器件的厂商,4056D经过严格可靠性测试:

  • 温域可靠性:-40℃~+85℃工作温域通过高低温循环测试,确保极端环境下稳定工作;
  • 品质一致性:芯片生产采用成熟工艺,满充电压、充电电流一致性好,降低批量应用风险;
  • 安全防护:除温度检测外,还集成过流保护、过充保护等功能,符合锂电池充电安全规范。

综上,HL富海微4056D是一款高性价比的单节锂电池充电管理芯片,以宽电压、低功耗、集成温度检测为核心优势,适配多场景设备需求,是便携电子、智能家居等领域的理想选择。

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