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发布者:来自网络 发布时间:2019/1/7 阅读:3267次    关键字: DC-DC
FP8207-18V 3A Multi-Cell Battery Switching Charger


FP8207-18V 3A Multi-Cell Battery Switching Charger DataSheet

FP8207应用说明  Application Note

 

Feeling Part

Vdd(V)

IBAT(A)

ISHD(μA)

OSC(Hz)

VFLAOT(V)

OCP

SCP

UVLO

TSD

Opereting Temperature ()

Package

FP8207

4.6~18

3.5

20

600K

4.2~12.6可调

-40+85

TSSOP-14L(EP)

General Description
    The FP8207 is a 4.6V~18V input voltage, 3A multi cell synchronous step-down switching charger with few external components, FP8207 is well suited for a wide range of portable applications. Charging current can be programmed by an external current sensing resistor. With 600KHz switching frequency. The FP8207 employs a 2.4V float voltage feedback reference, so any desired battery float voltage up to 12.6V can be programmed with a resistor divider.Other features include UVLO, automatic recharge, charge status indicators and battery temperature monitor.

Features
Wide Input Voltage Range: 4.6V to 18V
Up to 3A Programmable Charge Current
Resistor Programmable Battery Float Voltage Range: 4.2V to 12.6V
Preset Charge Voltage with ±1% Accuracy
Automatic Recharge
Fix 600KHz Switching Frequency
Thermal Regulation
Under/Over Voltage Protection
Charge Status Indicators for No Battery and Charge Failure Display
Available TSSOP-14L With Exposed PAD

Applications
Portable Information Appliances
Charging Docks & Cradles
Solar Powered Applications
Handheld Computers

概述
   FP8207是输入4.6V-18V降压式单节锂电(4.2V),双节锂电(8.4V),三节锂电(12.6V)充电管理芯片,支持3A充电。FP8207不用加MOS与肖特基,同步内置两颗MOS,可以充4.2V/8.4V/12.6V电池,且FP8207可自动调整电流,任何适配器都可以充,内置MOS同步,输入瓦数不足时,可自动调整。
 
特征:
1.工作电压范围:4.6-18V
2.可调式截止电压范围4.2-12.6V
3.可调式充电电流最高可达3A  
4.精准参考电压:±1%  
5.精准充电电流:±1%  
6.固定工作频率:500KHz  
7.充电指示灯显示  
8.多种保护功能:输入欠压保护,输入过压保护,芯片过温保护,电池短路保护,电池温度监控  
9.封装TSSOP-14L带散热片

产品应用:
輸入12V蓝牙音箱
移动电源双节串联锂电(6V~8.4V与8.7V)
POS机 电动工具
各类多串锂电池应用产品

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