參數(shù)資料
型號(hào): MAX1870A
廠商: Maxim Integrated Products, Inc.
英文描述: Step-Up/Step-Down Li+ Battery Charger
中文描述: 升/降壓型Li+電池充電器
文件頁(yè)數(shù): 10/32頁(yè)
文件大小: 1091K
代理商: MAX1870A
M
Step-Up/Step-Down
Li+ Battery Charger
10
______________________________________________________________________________________
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
DCIN
= 16V, CELLS = REFIN, V
CLS =
V
REF
, V
ICTL
= V
REFIN
= 3.3V, T
A
= +25
°
C, unless otherwise noted.)
EFFICIENCY vs. BATTERY VOLTAGE
M
BATTERY VOLTAGE (V)
E
12
4
8
16
14
6
10
65
70
75
80
90
85
95
60
2
18
V
IN
=
12V
V
IN
=
16V
EFFICIENCY vs. CHARGE CURRENT
M
CHARGE CURRENT (A)
E
2.0
1.5
0.5
1.0
65
70
75
80
90
85
95
100
60
0
2.5
V
BATT
=
16.8V
V
BATT
=
8.4V
V
BATT
=
12.6V
BATTERY VOLTAGE ERROR IN CV MODE
M
CHARGE CURRENT (A)
B
2.0
1.5
0.5
1.0
-0.4
-0.3
-0.2
-0.1
0.2
0
0.4
0.1
0.3
0.5
-0.5
0
2.5
V
BATT
=
16.8V
V
BATT
=
12.6V
V
BATT
=
8.4V
BATTERY VOLTAGE ERROR vs. VCTL
M
VCTL (V)
B
3.00
2.00
1.00
0.05
0.10
0.15
0.20
0.25
0
0
4.00
CHARGE-CURRENT ERROR vs. ICTL
M
V
ICTL
(V)
C
2.50
2.00
1.50
1.00
0.50
-70
-60
-50
-40
-30
-20
-10
0
10
20
-80
0
3.00
CHARGE-CURRENT ERROR
vs. BATTERY VOLTAGE
M
V
BATT
(V)
C
15
10
5
-10
-5
0
5
10
15
-15
0
20
I
CHG
=
0.15A
I
CHG
=
2.4A
I
CHG
=
1.9A
I
CHG
=
1.4A
IINP ERROR vs. SYSTEM LOAD
M
SYSTEM LOAD (A)
I
3.0
2.0
0.5
1.5
3.5
2.5
1.0
-4
-2
0
2
4
-3
-1
1
3
5
-5
0
4.0
INPUT CURRENT-LIMIT ERROR
vs. SYSTEM CURRENT
M
SYSTEM CURRENT (A)
I
3.0
2.5
0.5
1.5
1.0
2.0
-8
-6
-4
-2
4
0
8
2
6
10
-10
0
3.5
V
BATT
=
16V
V
BATT
=
14V
V
BATT
=
10V
V
BATT
=
8V
V
BATT
=
6V
V
BATT
=
12V
INPUT CURRENT-LIMIT ERROR
vs. CLS
M
V
CLS
(V)
I
4.00
2.00
1.00
3.00
-250
-200
-150
-100
50
-50
150
0
100
200
-300
0
5.00
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MAX1870AETJ 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類(lèi)型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
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MAX1870AETJ+T 功能描述:電池管理 Li+ Step Up/Step Down Battery Charger RoHS:否 制造商:Texas Instruments 電池類(lèi)型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX1870AETJ-T 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類(lèi)型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
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