Datasheet

MAX712/MAX713
NiCd/NiMH Battery
Fast-Charge Controllers
16 ______________________________________________________________________________________
DC IN
BATT +
BATT–
8V TO 15V
C5
10µF
50V
C1
1µF
10V
C3
10µF
50V
C4
0.1µF
220µH

Q4
CMPTA06
D4
CCLHM080
(8mA CURRENT-
LIMITING DIODE)
C6
10µF
50V
R2
5.1k
3
3
1
1
2
3
1
14
DRV
CC
V+
THI
BATT+
BATT-
TLD
PGM3
2 x 1000mA-Hr
NiCd CELLS
PGM2
PGM1
PGM0
MAX713
REF
GND
VLIMIT
TEMP
5
15
3
2
4
12
13
6
8
9
10
16
1
7
REF
R5
470
Ω
R6
68k
Ω
R7
22k
Ω
R3
0.25
Ω
11
2
2
Q1
CMPTA06
Q2
2N2907
D2
MBRS340T3
C2
220pF
D1
MBRS340T3
M1
IRFR9024
L1
D03340



FASTCHG








Figure 19. Simplest Switch-Mode Charger