MCP73223-22SI/MF MICROCHIP [Microchip Technology], MCP73223-22SI/MF Datasheet - Page 21

• Manufacturer Part Number: MCP73223-22SI/MF
• Description: Lithium Iron Phosphate (LiFePO4) Battery Charge Management Controller with Input Overvoltage Protection
• Manufacturer: MICROCHIP [Microchip Technology]

6.0
The MCP73123/223 is designed to operate in con-
junction with a host microcontroller or in stand-alone
applications. The MCP73123/223 provides the pre-
ferred charge algorithm for lithium iron phosphate
cells Constant-current followed by Constant-voltage.
Figure 6-1
circuit, while
charge profile.
FIGURE 6-1:
FIGURE 6-2:
Single-Cell LiFePO
© 2009 Microchip Technology Inc.
Ac-dc-Adapter
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
0
APPLICATIONS
V
R
1100 mAh LiFePO
DD
PROG
depicts a typical stand-alone application
= 5V
10
= 1 kΩ
Figure 6-2
Thermal Regulation
20
Time (Minutes)
4
4
Typical Application Circuit.
Typical Charge Profile for
4.7 µF
Battery
Battery).
30
depict the accompanying
40
50
60
MCP73123 Typical Application
1 kΩ
70
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
5
6
1
2
7
V
V
STAT
NC
NC
DD
DD
PROG
V
V
V
V
BAT
BAT
SS
SS
MCP73123/223
10
9
8
3
4
4.7 µF
1.15 kΩ
DS22191A-page 21
+
-
1-Cell
LiFePO
Battery
4