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DESCRIPTION
A4057 series is a double lithium battery charge management chip. The chip includes a charge state detection, the charging process, temperature detection and so on. The chip also integrates a high-precision reference voltage module in it.
A4057 charge contains three modes: precharge, constant current charging, constant voltage charging. Constant current charging current is five times the pre-charge current; when the voltage is lower than 6.5V into the precharge mode; when the voltage is above 6.5V into the constant current charge mode, the charging current is five times as the precharge, the charging current is determined by an external resistor.
FEATURES
? Double lithium battery charge management
? Only need a few external comp o nents
? Pre charge, c onstant current charging , constant
voltage charging mode
? Temperature detection
? Two charging status
? Available i n SOP8 p a ckage
APPLICATION
? Digital camera
? PDAS
? The phone lithium battery
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
MOLEX/莫仕 |
2420+ |
/ |
535637 |
一級代理,原裝正品! |
詢價 | ||
Allwinner(全志) |
2324+ |
NA |
78920 |
二十余載金牌老企,研究所優(yōu)秀合供單位,您的原廠窗口 |
詢價 | ||
AVAGO/安華高 |
23+ |
DIPSOP8 |
20288 |
原廠授權(quán)代理,海外優(yōu)勢訂貨渠道?？商峁┐罅繋齑?詳 |
詢價 | ||
23+ |
QFP |
7600 |
專注配單,只做原裝進(jìn)口現(xiàn)貨 |
詢價 | |||
ALLWINNER |
2021+ |
BGA |
100500 |
一級代理專營品牌!原裝正品,優(yōu)勢現(xiàn)貨,長期排單到貨 |
詢價 | ||
ALLWINNER/全志 |
23+ |
FBGA-468 |
2297 |
詢價 | |||
MICROPOWER |
23+ |
DIP |
4 |
只做原裝正品現(xiàn)貨!或訂貨假一賠十! |
詢價 | ||
A |
專業(yè)鐵帽 |
CAN4 |
67500 |
鐵帽原裝主營-可開原型號增稅票 |
詢價 | ||
ATP |
22+ |
NA |
2265 |
加我QQ或微信咨詢更多詳細(xì)信息, |
詢價 | ||
A |
專業(yè)鐵帽 |
CAN4 |
16000 |
原裝鐵帽專營,代理渠道量大可訂貨 |
詢價 |
