MAX2003 Maxim Integrated Products, MAX2003 Datasheet - Page 7

• Manufacturer Part Number: MAX2003
• Description: Nicd/nimh Battery Fast-charge Controllers
• Manufacturer: Maxim Integrated Products

Figure 2. Block Diagram
Figure 3. Voltage-Charge Characteristics of NiCd and NiMH
Batteries
2.0
1.8
1.6
1.4
1.2
1.0
0.8
CCMD
DCMD
TEMP
DVEN
0
CHG
_______________________________________________________________________________________
CHARGE CAPACITY (% OF MAXIMUM)
20
40
DISCHARGE
CONTROL
DISPLAY
CONTROL
OSC
DIS
60
CONTROL
MACHINE
CHARGE
STATE
80
TM1
CONTROL
CONTROL
NiMH
TIMING
100
MOD
MOD
NiCd
TM2
120
CHECK
CHECK
EDV
LTF
A/D
Fast-Charge Controllers
Figure 4. Temperature-Charge Characteristics of NiCd and
NiMH Batteries
(V
(V
TS
BAT
- V
- V
SNS
NiCd/NiMH Battery
SNS
55
50
45
40
35
30
25
20
15
)
)
0
CHECK
CHECK
MCV
TCO
V
V
CC
SS
CHARGE CAPACITY (% OF MAXIMUM)
20
MAX2003A
40
MAX2003
–
–
60
+
+
80
TCO
SNS
BAT
MCV
TS
100
NiMH
NiCd
120
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