Installation and Operation
©
2009 Microchip Technology Inc.
DS51812B-page 13
FIGURE 2-1:
MCP73871
Charge Current (I
OUT
) vs. Programming Resistor
(R
PROG1
).
FIGURE 2-2:
Simulated Battery Load.
1
0
100
200
300
400
500
600
700
800
900
1000
1
3
5
7
9
11 13 15
17 19
Programming Resistor (k
Ω
)
C
h
ar
g
e
C
u
rr
en
t
(m
A
)
0V – 5V
Power
Source
Microchip
Battery
Charge
Management
Controller
V
BAT
-
V
BAT
+
Amp
Meter
Volt
Meter
R
5
Ω
10W
100
μ
F
GND
