参数资料
型号: MCP73X23EV-LFP
厂商: Microchip Technology
文件页数: 11/34页
文件大小: 0K
描述: BOARD EVAL BATT CHARGER MCP73X23
标准包装: 1
主要目的: 电源管理,电池充电器
嵌入式:
已用 IC / 零件: MCP73123,MCP73223
主要属性: 1 芯或 2 芯 LiFePO4(磷酸铁锂),500mA 时为 3.6V 和 7.2V
次要属性: 安全计时器,热保护,自动终止充电和再充电
已供物品:
产品目录页面: 669 (CN2011-ZH PDF)
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MCP73223-C2SI/MF-ND - IC LI IRON PHOSPHATE CTRLR 10DFN
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MCP73123/223
TYPICAL PERFORMANCE CURVES (CONTINUED)
Note: Unless otherwise indicated, V DD = [V REG (Typical) + 1V], I OUT = 10 mA and T A = +25°C, Constant Voltage mode.
7.0
1
Charge Current
Input Voltage
Battery Voltage
6.0
5.0
4.0
3.0
2.0
1.0
0.0
Thermal Regulation
V DD = 5V
R PROG = 1 k ?
1100 mAh LiFePO 4 Battery
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
10
20
30 40 50
60
70
Time (Minutes)
FIGURE 2-13:
Overvoltage Protection Start
FIGURE 2-16:
Complete Charge Cycle
(50 ms/Div).
(1100 mAh LiFePO 4 Battery).
Input Voltage
Source Voltage (V)
Battery Voltage
Charge Current
Output Ripple (mV)
FIGURE 2-14:
Overvoltage Protection Stop
FIGURE 2-17:
Line Transient Response
(50 ms/Div).
Output Ripple (mV)
(I LOAD = 10 mA, Source Voltage: 2V/Div, Output
Ripple: 100 mV/Div, Time: 100 μs/Div).
Source Voltage (V)
Output Current (mA)
Output Ripple (mV)
FIGURE 2-15:
Load Transient Response
FIGURE 2-18:
Line Transient Response
(I LOAD = 50 mA, Output Ripple: 100 mV/Div,
Output Current: 50 mA/Div, Time: 100 μs/Div).
? 2009-2011 Microchip Technology Inc.
(I LOAD = 100 mA, Source Voltage: 2V/Div, Output
Ripple: 100 mV/Div, Time: 100 μs/Div).
DS22191D-page 11
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