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| 型号： | MCP73113T-06SI/MF |
| 厂商： | Microchip Technology |
| 文件页数： | 22/34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
6.1.1.2
Thermal Considerations
A minimum of 16V rated 1 μF, is recommended to apply
The worst-case power dissipation in the battery
charger occurs when the input voltage is at the
maximum and the device has transitioned from the
for output capacitor and a minimum of 25V rated 1 μF,
is recommended to apply for input capacitor for typical
applications.
Preconditioning mode to the Constant-current mode. In
this case, the power dissipation is:
TABLE 6-1:
MLCC CAPACITOR EXAMPLE
PowerDissipation = ( V
DDMAX
– V
PTHMIN
) × I
REGMAX
MLCC
Capacitors
Temperature
Range
Tolerance
Where:
V DDMAX
=
the maximum input voltage
X7R
X5R
-55 ° C to +125 ° C
-55 ° C to +85 ° C
±15%
±15%
I REGMAX
V PTHMIN
=
=
the maximum fast charge current
the minimum transition threshold
voltage
Virtually any good quality output filter capacitor can be
used, independent of the capacitor ’s minimum
Effective Series Resistance (ESR) value. The actual
value of the capacitor (and its associated ESR)
Power dissipation with a 5V, ±10% input voltage
source, 500 mA ±10% and preconditioning threshold
voltage at 2.7V is:
depends on the output load current. A 1 μF ceramic,
tantalum or aluminum electrolytic capacitor at the
output is usually sufficient to ensure stability.
EQUATION 6-1:
6.1.1.4
Reverse-Blocking Protection
PowerDissipation = ( 5.5V – 2.7V ) × 550mA = 1.54W
This power dissipation with the battery charger in the
DFN-10 package will result approximately 63 ° C above
room temperature.
The MCP73113/4 provide protection from a faulted or
shorted input. Without the protection, a faulted or
shorted input would discharge the battery pack through
the body diode of the internal pass transistor.
6.1.1.3
External Capacitors
The MCP73113/4 are stable with or without a battery
load. In order to maintain good AC stability in the
Constant-voltage mode, a minimum capacitance of
1 μF is recommended to bypass the V BAT pin to V SS .
This capacitance provides compensation when there is
no battery load. In addition, the battery and
interconnections appear inductive at high frequencies.
These elements are in the control feedback loop during
Constant-voltage mode. Therefore, the bypass
capacitance may be necessary to compensate for the
inductive nature of the battery pack.
DS22183C-page 22
? 2010 Microchip Technology Inc.
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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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