参数资料
型号: MAX8900DEWV+T
厂商: Maxim Integrated Products
文件页数: 10/35页
文件大小: 0K
描述: IC LI BATTERY CHARGER 1.2A WLP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
功能: 充电管理
电池化学: 锂离子(Li-Ion)、锂聚合物(Li-Pol)
电源电压: 3.4 V ~ 6.3 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 30-WFBGA,WLBGA
供应商设备封装: 30-WLP
包装: 带卷 (TR)
MAX8900A/MAX8900B/MAX8900C
1.2A Switch-Mode Li+ Chargers with ±22V Input
Rating and JEITA Battery Temperature Monitoring
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V IN = 6V, V BAT = 3.6V, T A = +25 N C, unless otherwise noted.)
THM NORMAL TO COLD CURRENT
FOLDBACK (T2) TO COLD SHUTOFF (T1)
MAX8900A toc16
THM NORMAL TO HOT VOLTAGE FOLDBACK
(T3) TO HOT SHUTOFF (T4) THRESHOLD
MAX8900A toc17
4.2V
V THM
V BAT
I BAT
60% OF AVL (T2)
1200mA (T2 < T < T3)
74.5% OF AVL (T1)
3.6V
600mA
1V/div
2V/div
0V
200mA/div
V THM
V BAT
I BAT
34.7% OF AVL (T3)
4.075V
22.5% OF AVL (T4)
0V
10 I RESISTOR LOAD
2V/div
2V/div
200mA/div
20ms/div
0mA
0A
20ms/div
0A
V CEN
CHARGER ENABLE
MAX8900A toc18
5V/div
85
83
EFFICIENCY vs. BATTERY VOLTAGE
(CONSTANT-CURRENT MODE)
V IN = 5.0V
81
V PVL
5V/div
79
77
V LX
5V/div
75
73
I BAT = 100mA
71
I BAT
1.2A
1A/div
69
67
400μs/div
0A
65
2.5
3.0
3.5
4.0
4.5
V BAT (V)
V IN = 5.0V
95
90
85
EFFICIENCY vs. BATTERY VOLTAGE
(CONSTANT-CURRENT MODE)
V IN = 5.0V
MAX8900A/
MAX8900B
95
90
85
EFFICIENCY vs. CHARGE CURRENT
(CONSTANT-CURRENT MODE)
V BAT = 4.0V
EFFICIENCY vs. BATTERY VOLTAGE
(CONSTANT-CURRENT MODE, I BAT = 1200mA)
95
I BAT = 1200mA, R SETI = 2.87k I
MAX8900A/MAX8900B
90
85
80
80
V BAT = 3.0V
V BAT = 3.6V
80
75
70
65
I BAT = 500mA
I BAT = 800mA
I BAT = 1200mA
2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5
75
70
65
0
0.5
1.0
1.5
75
70
65
V IN = 5V
V IN = 8V
V IN = 7V
V IN = 6V
V IN = 8.5V
2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5
10
V BAT (V)
I BAT (A)
V BAT (V)
Maxim Integrated
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