1 2

产品系列

SM5102-海川半导体HICHON- 3.7V 锂电池转干电池充放管理芯片

SM5102-海川半导体HICHON- 3.7V 锂电池转干电池充放管理芯片

Single-chip solution integrating linear charger & synchronous boost. 1A rate, 93% efficiency, 10μA standby.

Download Datasheet Technical Inquiry
$2.20
$2.20
促销 售罄
结账时计算的运费。
Package Type
Quantity
Full Part NumberSM5102-3.7V（支持 V42/V35）
Brand / ManufacturerHICHON
DatasheetDownload
Package TypeDFN3×3-8 / DFN2×2-6
MOQ / SPQDFN3*3-8 (1 盘 5,000 颗); DFN2*2-6 (1盘 4,000 颗)
Mounting Style表面贴装
Input Voltage RangeVAP：4.5V ~ 5.5V（充电）；耐压 7V
Output Voltage & Current 1.5 V / 3 A
Output Voltage Range1.46V ~ 1.56V（Buck 模式）
Charge Current 1A（可配置，RSET=1K）
Charge Voltage4.20V（恒压浮充）
Quiescent Current6μA（空载）
Peak Current4.0A（逐周期限流）
Efficiency最高 92%
Switching Frequency1MHz
Topology 同步降压
Drive Capability3A（放电）
Supply Voltage4.5V ~ 5.5V (VAP)
Operating Temperature-40℃ ~ +85℃
Semiconductor Material硅
Battery Chemistry锂离子（3.7V）
Battery Cell Count1
Protection FeaturesUVLO, SCP, OTP, NTC
Packaging编带
Battery Temperature Monitoring支持（NTC引脚）
Working ModeBuck DC/DC + LDO
SM5102 是一款锂电池充放电管理专用芯片。 充电工作时, 可以为 3.7V 锂电池进行充电，电流
最高可配置 1A。放电工作时，采用开关频率 1MHz 同步降压转换器进行放电，放电电流可以达到 3A。内部集成欠压保护、短路保护、过温保护功能。
SM5102 集成充电、充满及短路状态指示。 NTC 脚可以实时监测电池温度，确保电池安全。
SM5102 空载时自耗电仅 6uA。

特点

  • 集成充电和降压放电管理
  • SM5102 -3.7V（支持 3.7V 锂电池） 
  • 充电电流可配置，可达 1A 
  • 集成充电指示灯 
  • 放电电流高至 3A 
  • 空载放电仅 6uA 
  • 放电效率高至 92%
  • 1.5V 输出可以串联使用 
  • 内置欠压保护功能 
  • 内置短路保护功能
  • NTC 监控电池温度
  • DFN3x3-8/ DFN2x2-6 封装

应用范围 

  • 替代传统 1.5V 干电池

What is the Minimum Order Quantity (MOQ)?

Standard MOQ is 1 Reel. Sample orders are accepted in smaller quantities. Please contact us for custom arrangements.

Are your products guaranteed authentic?

All products are genuine, factory-sourced components. Certificate of Analysis (COA) and Datasheet are available upon request. Third-party inspection can be arranged if needed.

What is your sample policy?

Standard samples require a sample fee, which is deductible upon bulk order placement. Free evaluation samples are available for qualified companies. Shipping costs are covered by the buyer or charged to the buyer's courier account.

What payment methods are accepted?

We accept T/T (Wire Transfer) with 80% deposit and balance before shipment, PayPal or credit card for small orders, and net terms for established customers upon approval.

What is the lead time?

In-stock items ship within 3–7 business days. Custom or bulk orders take 4–12 weeks depending on capacity and materials. Exact lead time will be confirmed upon order placement.

查看完整详细信息