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| 型号： | MIC79110BML TR |
| 厂商： | Micrel Inc |
| 文件页数： | 13/15页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER BATT LI-ON ADJ 10MLF |
| 标准包装： | 5,000 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 2.5 V ~ 16 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-VFDFN 裸露焊盘，10-MLF? |
| 供应商设备封装： | 10-MLF?（3x3） |
| 包装： | 带卷 (TR) |
| 其它名称： | MIC79110BMLTR |
Micrel, Inc.
Figure 4. Auto Top-Off Charger Application
Figure 5. Charging Description
1. SD not held low by active high DEOC because
DEOC Comparator’s inputs do not common-mode to
ground. Divider holds SD low so part can start.
2. SD held low by divider.
3. SD held low by active high DEOC.
4. Divider voltage above SD threshold and DEOC open.
5. Divider voltage drops below SD threshold and
MIC79110
Figure 6. Top-Off Charger with Internal Reset ?
Application Circuit
This circuit is similar to the auto top-off charger circuit
mentioned above except that the DEOC pin is externally
triggered to restart the charging cycle. It still uses the
same resistor divider to set the minimum battery voltage
before the lithium-ion needs to be recharged.
Figure 7. Auto-Shutdown using Shutdown Pin
The shutdown pin on the MIC79110 can be used to
automatically shutdown the battery charger when the
input voltage rises above a safe operating voltage. To
keep the part from heating up and entering thermal
shutdown, we can connect the shutdown pin to VIN using
a resistor divider. Use Equation 3 to setup the maximum
VIN:
charging begins again.
VIN ( MAX )
V SD
=
R1
R 2
+ 1
Eq. 3
The MIC79110 can be connected to a wall wart with a
rectified DC voltage and protected from over voltages at
the input.
May 21, 2013
13
052113-2.0 (while in progress)
Revision 2.0 (final document)
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相关代理商/技术参数 |
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| 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:电池管理 1.2A Li-Ion Linear Battery Charger(Lead Free) RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MIC79110YML-TR | 功能描述:IC CHARGER BATT LI-ON ADJ 10MLF 制造商:microchip technology 系列:- 包装:剪切带（CT） 零件状态:有效 电池化学:锂离子 电池数:- Current Charging:- 可编程特性:- 故障保护:过流，超温，反向电流 充电电流 - 最大值:1.2A Battery Pack Voltage:- 电压 -?供电（最高）:16V 接口:- 工作温度:-40°C ~ 125°C （TJ） 封装/外壳:10-VFDFN 裸露焊盘，10-MLF? 供应商器件封装:10-MLF?（3x3） 标准包装:1 |
| MIC-8 | 功能描述:保险丝 BUSS MIDGET FUSE RoHS:否 制造商:Littelfuse 产品:Surface Mount Fuses 电流额定值:0.5 A 电压额定值:600 V 保险丝类型:Fast Acting 保险丝大小/组:Nano 尺寸:12.1 mm L x 4.5 mm W 安装风格: 端接类型:SMD/SMT 系列:485 |
| MIC800 | 制造商:Behringer 功能描述:Ultra-Compact Microphone Modeling Preamplifier 制造商:BEHRINGER 功能描述:MICROPHONE PREAMPLIFIER PHANTOM POWER SUPPLY / MODELER |
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