參數(shù)資料
型號(hào): MAX1667
廠商: Maxim Integrated Products, Inc.
英文描述: Chemistry-Independent, Level 2 Smart Battery Charger
中文描述: 與化學(xué)類型無關(guān)的Level 2智能電池充電器
文件頁數(shù): 8/28頁
文件大?。?/td> 225K
代理商: MAX1667
M
Chemistry-Independent,
Level 2 Smart Battery Charger
8
_______________________________________________________________________________________
-1.0
-0.6
-0.8
-0.2
-0.4
0.2
0
0.4
0.8
0.6
1.0
0
4k
6k
ChargingVoltage() CODE
8k
2k
10k 12k 14k
18k
16k
20k
BATT VOLTAGE ERROR
vs. ChargingVoltage() CODE
M
B
I
LOAD
= 3mA
V
DCIN
= 20V
MEASURED AT AVAILABLE
ChargingVoltage() CODES
I
LOAD
= 600mA
-5
0
5
10
15
0
1000
2000
CODE
3000
500
1500
2500
3500 4000
LOAD CURRENT ERROR
M
B
V
DCIN
=20V
V
= 12.75V
MEASURED AT AVAILABLE
ChargingCurrent() CODES
Typical Operating Characteristics (continued)
(Circuit of Figure 7, T
A
= +25°C, unless otherwise noted.)
100
0.01
10
1.0
0.1
0.001
0
400
800
1200
1600
2000
OUTPUT V-I CHARACTERISTIC
(SWITCHING REGULATOR)
M
LOAD CURRENT (mA)
D
V
DCIN
= 20V
ChargingVoltage() = 17,408mV
ChargingCurrent() = 1920mA
V
REF
= 4.096V
0
5
1
3
4
8
0
2
4
6
8
10
12
14
16
18
20
OUTPUT V-I CHARACTERISTIC
(LINEAR SOURCE)
M
V
IOUT
(V)
I
I
2
6
7
V
DCIN
= 20V
ChargingVoltage() = 17,408mV
ChargingCurrent() = 1 to 127mA
4.080
4.100
4.085
4.090
4.095
4.110
-40
40
20
-20
0
60
80
100
V
REF
vs. TEMPERATURE
M
TEMPERATURE (°C)
V
R
4.105
V
DCIN
= 20V
50
70
55
60
65
100
0
2000
1000
3000
4000
EFFICIENCY vs. LOAD CURRENT
(VOLTAGE REGULATION)
M
LOAD CURRENT (mA)
E
75
80
85
90
95
A: V
DCIN
= 20V, V
BATT
= 17V
B: V
DCIN
= 16V, V
BATT
= 12.75V
C: V
DCIN
= 20V, V
BATT
= 12.75V
D: V
DCIN
= 16V, V
BATT
= 8.5V
E: V
DCIN
= 20V, V
BATT
= 8.5V
A
B
C
E
D
50
70
55
60
65
100
0
8
6
BATT VOLTAGE (V)
2
4
10
12
18
EFFICIENCY vs. BATT VOLTAGE
(CURRENT REGULATION)
M
E
75
80
85
90
95
14
16
A: V
DCIN
= 16V, I
LOAD
= 2A
B: V
DCIN
= 20V, I
LOAD
= 2A
C: V
DCIN
= 20V, I
LOAD
= 600mA
A
B
C
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