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MCP73871 датащи(PDF) 13 Page - Microchip Technology

номер детали MCP73871
подробное описание детали  Stand-Alone System Load Sharing and Li-Ion / Li-Polymer Battery Charge Management Controller
PDF  38 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP73871 датащи(HTML) 13 Page - Microchip Technology

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© 2009 Microchip Technology Inc.
DS22090B-page 13
MCP73871
Note: Unless otherwise indicated, V
IN = [VREG(typical) + 1V], IOUT = 10 mA and TA= +25°C, Constant-voltage mode.
FIGURE 2-25:
Startup Delay.
FIGURE 2-26:
Complete Charge Cycle
(130 mAh Li-Ion Battery).
FIGURE 2-27:
Complete Charge Cycle
(1000 mAh Li-Ion Battery).
FIGURE 2-28:
Typical Charge Profile in
Preconditioning (1000 mAh Battery).
Time (ms)
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0
0.1
0.20.3
0.40.5
Time (Minutes)
0
0.1
0.2
0.3
0.4
0.5
MCP73871
VDD = 5.2V
SEL = Low
PROG2 = Low
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0
1020304050607080
Time (Minute)
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
MCP73871
VDD = 5.2V
RPROG1 = 1 kΩ
RPROG3 = 25 kΩ
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0
0.2
0.4
0.6
0.8
1
Time (Minute)
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
Preconditioning
Preconditioning Threshold Voltage
Fast Charge (Constant Current)
MCP73871
VDD = 5.2V
RPROG1 = 1 kΩ
RPROG3 = 25 kΩ



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