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参数资料
| 型号： | MCP73113T-06SI/MF |
| 厂商： | Microchip Technology |
| 文件页数： | 21/34页 |
| 文件大小： | 0K |
| 描述： | IC LI-ION/LI-POLY CTRLR 10-DFN |
| 标准包装： | 3,300 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion）、锂聚合物（Li-Pol） |
| 电源电压： | 4 V ~ 16 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-VFDFN 裸露焊盘 |
| 供应商设备封装： | 10-DFN-EP（3x3） |
| 包装： | 带卷 (TR) |
| 配用： | MCP73113EV-1SOVP-ND - BOARD EVAL BATT CHARGER MCP73113 |
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MCP73113/4
6.0
APPLICATIONS
Constant-voltage.
depicts a typical
The MCP73113/4 devices are designed to operate in
conjunction with a host microcontroller or in
standalone application circuit, while
depicts the accompanying charge profile.
standalone applications. The MCP73113/4 provides
the preferred charge algorithm for Lithium-Ion and
Lithium-Polymer cells Constant-current followed by
MCP73113/4 Typical Application
Ac-dc Adapter
1
V DD
V BAT
3
C IN
R LED
2
7
V DD
STAT
V BAT 4
10
PROG
C OUT
+
1-Cell
Li-Ion
5 NC
V SS
9
R PROG
–
Battery
6 NC
V SS 8
FIGURE 6-1:
Typical Application Circuit.
6.1.1
COMPONENT SELECTION
5.0
4.5
4.0
3.5
3.0
1
0.9
0.8
0.7
0.6
Selection of the external components in Figure 6-1 is
crucial to the integrity and reliability of the charging
system. The following discussion is intended as a guide
for the component selection process.
2.5
2.0
0.5
0.4
6.1.1.1
Charge Current
1.5
1.0
0.5
0.0
0
R PROG = 2 k ?
875 mAh Battery
15 30 45 60 75 90
Time (Minutes)
105 120
0.3
0.2
0.1
0
The preferred fast charge current for Li-Ion / Li-Poly
cells is below the 1C rate, with an absolute maximum
current at the 2C rate. The recommended fast charge
current should be obtained from battery
manufacturer. For example, a 500 mAh battery pack
with 0.7C preferred fast charge current has a charge
FIGURE 6-2:
(875 mAh Battery).
Typical Charge Profile
current of 350 mA. Charging at this rate provides the
shortest charge cycle times without degradation to the
battery pack performance or life.
6.1
Application Circuit Design
Note:
Please consult with your battery supplier
Due to the low efficiency of linear charging, the most
important factors are thermal design and cost, which
are a direct function of the input voltage, output current
and thermal impedance between the battery charger
and the ambient cooling air. The worst-case situation is
when the device has transitioned from the
Preconditioning mode to the Constant-current mode. In
this situation, the battery charger has to dissipate the
maximum power. A trade-off must be made between
the charge current, cost and thermal requirements of
the charger.
? 2010 Microchip Technology Inc.
or refer to battery data sheet for preferred
charge rate.
DS22183C-page 21
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP73113T-0NSI/MF | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Single-Cell Li-Ion / Li-Polymer Battery Charge Management Controller with Input Overvoltage Protection |
| MCP73113T-16SI/MF | 功能描述:电池管理 Single cell OVP battery Charger 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 |
| MCP73113T-1NSI/MF | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Single-Cell Li-Ion / Li-Polymer Battery Charge Management Controller with Input Overvoltage Protection |
| MCP73114 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Single-Cell Li-Ion / Li-Polymer Battery Charge Management Controller with Input Overvoltage Protection |
| MCP73114-06SI/MF | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Single-Cell Li-Ion / Li-Polymer Battery Charge Management Controller with Input Overvoltage Protection |
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