特點(diǎn):
可以用USB口或交流適配器對(duì)單節(jié)鋰電池充電
片內(nèi)功率晶體管
不需要外部阻流二極管和電流檢測(cè)電阻
輸出電壓 4.2V,精度可達(dá) 1%
在電池電壓較低時(shí)采用小電流的預(yù)充電模式
用戶可編程的持續(xù)充電電流可達(dá) 500mA
采用恒流/恒壓充電模式
電源電壓掉電時(shí)自動(dòng)進(jìn)入低功耗的睡眠模式
狀態(tài)指示輸出可驅(qū)動(dòng)LED或與單片機(jī)接口
電池溫度監(jiān)測(cè)功能
芯片使能輸入端
封裝形式SOP8和MSOP8
產(chǎn)品無鉛化
應(yīng)用:
移動(dòng)電話
電子詞典
數(shù)碼相機(jī)
MP3 播放器
藍(lán)牙應(yīng)用
各種充電器
Features:
Charges Single Cell Li-Ion Batteries Directly
from USB Port or AC Adaptor
On-chip Power MOSFET
No external Blocking Diode or Current Sense
Resistors Required
Preset 4.2V Regulation Voltage with 1%
Accuracy
Precharge Conditioning for Reviving Deeply
Discharged Cells and Minimizing Heat
Dissipation During Initial Stage of Charge
Continuous Programmable Charge Current Up
to 500mA
Constant-Current/Constant-Voltage Operation
with Thermal Regulation to Maximize Charge
Rate Without Risk of Overheating
Automatic Low-Power Sleep Mode When Input
Supply Voltage is Removed
Status Indication for LEDs or uP Interface
C/10 Charge Termination
Automatic Recharge
Battery Temperature Sensing
Chip Enable Input
Available in SOP8 Package
Pb-free Available
批發(fā)與零售價(jià)位不同,無法一一明示,詳情請(qǐng)通過郵件或客服咨詢(國(guó)內(nèi)銷售部電話:0755-83957301,企業(yè)QQ: 2850151585), 由于電子元器件價(jià)格不穩(wěn)定,時(shí)常有稍許變動(dòng),本公司未能及時(shí)調(diào)整,如您覺得售價(jià)不適,請(qǐng)與我們說明并適當(dāng)議價(jià),謝謝支持。
Because of wholesale price is different from sample price, our website can not state. Please send your required part number via email to Sales@hkmjd.com or add our skype id mjdccm898 for online talking. As well as welcome you call us : 0755-83957301 We will send offer for you; Sometimes manufacturer's price is unstable, so we don't adjust price in time. if you feel price is a little high for you, just feel free to contact us for consultation. Thank you for your support !