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參數資料
| 型號： | MIC79110-4.2BML |
| 廠商： | MICREL INC |
| 元件分類： | 電源管理 |
| 英文描述： | Simple 1.2A Linear Li-Ion Battery Charger |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, DSO10 |
| 封裝： | 3 X 3 MM, MLF-10 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 156K |
| 代理商： | MIC79110-4.2BML |
July 2004
1
M9999-072004
MIC79110
Micrel
MIC79110
Simple 1.2A Linear Li-Ion Battery Charger
General Description
The Micrel MIC79110 is a simple and accurate lithium ion
battery charger. Featuring a built-in pass transistor, precision
programmable current limiting (
±
5%), and precision voltage
termination (
±
1.5% over temperature) all in a very small
package, the MIC79110 packs full functionality into a small
space.
Other features of the MIC79110 include two independent
end-of-charge indications, including a digital indication that is
programmable with a resistor-to-ground and an analog cur-
rent output that is proportional to the output current, allowing
for monitoring of the actual charging current. Additional
features include very low dropout (500mV over the tempera-
ture range), thermal shutdown, and reverse polarity protec-
tion. In the event the input voltage to the charger is discon-
nected, the MIC79110 also provides minimal reverse-current
and reversed-battery protection.
Available in both fixed 4.2V and adjustable outputs, the
MIC79110 is offered in the leadless 3mm x 3mm MLF-10 with
an operating junction temperature range of –40C to +125C.
Typical Application
VIN
SD
REOC
RSET
BAT
SNS
DEOC
ACHG
GND
MIC79110
4.2V
Li-Ion
Cell
10k
V
IN
SHUTDOWN
ENABLE
4k
1k
167
4.2V
BAT
Micrel, Inc. 1849 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
Features
Input voltage range: 2.5V to 16V
High output voltage accuracy of
±
0.75% over –5
°
C to
+60C and
±
1.5% over temperature
Current Limit
±
5% accurate from –5
°
C
≤
Tj
≤
+ 125
°
C
Programmable End-of-Charge Flag
Analog output proportional to output current
Adjustable and Fixed 4.2V Output
Low dropout voltage of 500mV at 700mA load, over
temperature
1.2A output current
Excellent line and load regulation specifications
Reverse current and reverse battery protection
Thermal shutdown and current limit protection
Tiny 3mm
×
3mm MLF-10 package
Junction Temperature Range: –40
°
C to +125
°
C
Applications
Cellular phones
PDAs
Digital cameras
Camcorders
MP3 players
Notebook PCs
Portable Meters
Cradle chargers
Car chargers
Battery packs
MLF and
Micro
LeadFrame is a trademark of Amkor Technology.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MIC79110BML | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Simple 1.2A Linear Li-Ion Battery Charger |
| MIC79110BML TR | 功能描述:IC CHARGER BATT LI-ON ADJ 10MLF RoHS:否 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 標準包裝:1 系列:- 功能:充電管理 電池化學:鋰離子（Li-Ion）、鋰聚合物（Li-Pol） 電源電壓:3.75 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應商設備封裝:SOT-23-5 包裝:剪切帶 (CT) 產品目錄頁面:669 (CN2011-ZH PDF) 其它名稱:MCP73831T-2ACI/OTCT |
| MIC79110YML | 制造商:Rochester Electronics LLC 功能描述: 制造商:RF Micro Devices Inc 功能描述: 制造商:Micrel Inc 功能描述: |
| MIC79110YML TR | 功能描述:電池管理 1.2A Li-Ion Linear Battery Charger(Lead Free) RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| MIC79110YML-TR | 功能描述:IC CHARGER BATT LI-ON ADJ 10MLF 制造商:microchip technology 系列:- 包裝:剪切帶（CT） 零件狀態:有效 電池化學:鋰離子 電池數:- Current Charging:- 可編程特性:- 故障保護:過流，超溫，反向電流 充電電流 - 最大值:1.2A Battery Pack Voltage:- 電壓 -?供電（最高）:16V 接口:- 工作溫度:-40°C ~ 125°C （TJ） 封裝/外殼:10-VFDFN 裸露焊盤，10-MLF? 供應商器件封裝:10-MLF?（3x3） 標準包裝:1 |
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