MAX712(2002) 查看數據表（PDF） - Maxim Integrated
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MAX712 Datasheet PDF : 17 Pages
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Table 2. Programming the Number
of Cells
NUMBER
OF CELLS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PGM1
CONNECTION
V+
Open
REF
BATT-
V+
Open
REF
BATT-
V+
Open
REF
BATT-
V+
Open
REF
BATT-
PGM0
CONNECTION
V+
V+
V+
V+
Open
Open
Open
Open
REF
REF
REF
REF
BATT-
BATT-
BATT-
BATT-
NiCd/NiMH Battery
Fast-Charge Controllers
Table 3. Programming the Maximum
Charge Time
TIMEOUT
(min)
22
22
33
33
45
45
66
66
90
90
132
132
180
180
264
264
A/D
SAMPLING
INTERVAL
(s) (tA)
21
21
21
21
42
42
42
42
84
84
84
84
168
168
168
168
VOLTAGE-
SLOPE
TERMINATION
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
Disabled
Enabled
PGM3
CONN
V+
V+
V+
V+
Open
Open
Open
Open
REF
REF
REF
REF
BATT-
BATT-
BATT-
BATT-
PGM2
CONN
Open
REF
V+
BATT-
Open
REF
V+
BATT-
Open
REF
V+
BATT-
Open
REF
V+
BATT-
PGM2
PGM3
THI
TEMP
TLO
V+
PGM2 PGM3
+5V SHUNT
GND
REGULATOR
TIMER
TIMED_OUT
BATT-
POWER_ON_RESET
∆V
∆V_DETECT
DETECTION
CONTROL LOGIC
FAST_CHARGE
IN_REGULATION
N
BATT-
CURRENT
AND
VOLTAGE
REGULATOR
TEMPERATURE
COMPARATORS
HOT
COLD
MAX712
MAX713
UNDER_VOLTAGE
CELL_VOLTAGE
0.4V
BATT-
BATT-
FASTCHG
DRV
CC
BATT-
GND
VLIMIT
BATT+
PGM0
PGM1
PGMx
V+
100kΩ
100kΩ
REF
INTERNAL IMPEDANCE OF PGM0–PGM3 PINS
Figure 1. Block Diagram
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