参数资料
型号: MAX8730ETI+T
厂商: Maxim Integrated Products
文件页数: 10/29页
文件大小: 0K
描述: IC CHARGER BATTERY 28-TQFN
标准包装: 2,500
功能: 充电管理
电池化学: 多化学
电源电压: 8 V ~ 28 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 带卷 (TR)
Low-Cost Battery Charger
Typical Operating Characteristics
(Circuit of Figure 1, adapter = 19.5V, V BATT = 12V, V ICTL = 2.4V, MODE > 1.8V, REFON = INPON = LDO, V RELTH = V REF /2, T A =
+25°C, unless otherwise noted.)
INPUT CURRENT-LIMIT ERROR
INPUT CURRENT-LIMIT ERROR
15
INPUT CURRENT-LIMIT ERROR vs. CLS
5.0
vs. SYSTEM CURRENT
7
vs. SYSTEM CURRENT
10
MAXIMUM
4.5
4.0
V IN = 24V
6
V CLS = V REF / 2
5
3.5
5
0
TYPICAL UNIT
3.0
2.5
2.0
V IN = 17V
V IN = 19V
4
3
V CLS = V REF
-5
1.5
2
V CLS = V REF x 0.7
-10
-15
MINIMUM
1.0
0.5
0
V CLS = V REF x 0.7
1
0
1.1
1.6
2.1
2.6
3.1
3.6
4.1
0
0.5
1.0 1.5 2.0 2.5
3.0
3.5
0
1
2 3
4
5
15
V CLS (V)
IINP ERROR vs. V CSSP - V CSSN
20
SYSTEM CURRENT (A)
CHARGE-CURRENT ERROR
vs. CHARGE-CURRENT SETTING
1.6
SYSTEM CURRENT (A)
CHARGE-CURRENT ERROR
vs. BATTERY VOLTAGE
10
MAXIMUM
15
10
MAXIMUM ERROR
1.3
1.0
V ICTL = 2V
5
0
5
0
TYPICAL UNIT
0.7
0.4
-5
-10
-15
MINIMUM
-5
-10
-15
-20
MINIMUM ERROR
0.1
-0.2
-0.5
V ICTL = 3.6V
0
10 20 30 40 50 60 70 80 90 100
0
0.6
1.2
1.8 2.4
3.0
3.6
0
5
10
15
20
25
V CSSP - V CSSN
TRICKLE-CHARGE CURRENT
vs. BATTERY VOLTAGE
0
V ICTL (V)
BATTERY-VOLTAGE ERROR
vs. CHARGE CURRENT
1.0
BATTERY VOLTAGE (V)
BATTERY-VOLTAGE ERROR vs. VCTL
20
15
10
CHARGE CURRENT = 150mA
-0.05
0.8
0.6
0.4
5
0
-5
-10
-15
-20
-0.10
-0.15
-0.20
4 CELLS
3 CELLS
0.2
0
-0.2
-0.4
-0.6
-0.8
-25
0
3
6 9 12
15
18
-0.25
0
0.5
1.0 1.5 2.0 2.5
3.0
3.5
-1.0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
BATTERY VOLTAGE (V)
CHARGE CURRENT (A)
VCTL (V)
10
______________________________________________________________________________________
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