参数资料
型号: MAX8900DEWV+T
厂商: Maxim Integrated Products
文件页数: 6/35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
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 6V, V BAT = 4V, R SETI = 2.87k I , R DNI = 3.57k I , V THM = V AVL/2 , circuit of Figure 1, T A = -40 N C to +85 N C, unless otherwise
noted. Typical values are at T A = +25 N C.) (Note 2)
PARAMETER
Done and Prequalification
Current Set Range
Done and Prequalification
Setting Resistor Range
Dead-Battery Charge Current
SYMBOL
R DNI
I DBAT
CONDITIONS
Minimum
(Figure 5)
Maximum
Minimum
(Figure 5)
Maximum
0V P V BAT P V DBAT
MIN
TYP
9.8
200
1.91
39.2
45
MAX
UNITS
mA
k I
mA
Dead-Battery Voltage Threshold
(Figure 6)
V DBAT
2.5
V
BAT Leakage Current
Charger Soft-Start Time (Note 3)
t SS
V IN = 0V, V BAT = 4.2V,
includes LX leakage current
through the inductor
T A = +25 N C
T A = +85 N C
0.02
0.05
1.5
1
F A
ms
CHARGE TIMER
Prequalification/Dead-Battery
Time
Fast-Charge Time
t PQ
t FC
C CT = 0.1 F F
C CT = 0.1 F F
30
180
min
min
Top-Off Time
Timer Accuracy
t TO
-15
16
+15
s
%
THERMISTOR MONITOR
-15 N C, MAX8900B
THM Hot Shutoff Threshold
(60 N C)
THM Hot Voltage Foldback
Threshold (45 N C)
THM Cold Current Foldback
Threshold (15 N C)
THM Cold Shutoff Threshold
(-15 N C/0 N C)
T4
T3
T2
T1
V THM /AVL falling, 1% hysteresis
(thermistor temperature rising)
V THM /AVL falling, 1% hysteresis
(thermistor temperature rising)
V THM /AVL rising, 1% hysteresis
(thermistor temperature falling)
V THM /AVL rising, 1% 0 N C, MAX8900A/
hysteresis (thermistor MAX8900C
temperature falling)
21.24
32.68
57.00
71.06
81.43
22.54
34.68
60.00
74.56
86.07
23.84
36.68
63.00
78.06
90.98
%AVL
%AVL
%AVL
%AVL
THM Input Leakage
THM = GND or AVL
T A = +25 N C
T A = +85 N C
-0.2
0.001
0.001
+0.2
F A
CHARGE ENABLE INPUT ( CEN )
CEN Input Voltage Low
CEN Input Voltage High
V IL
V IH
1.4
0.6
V
V
CEN Internal Pulldown Resistance
R CEN
100
200
400
k I
6
Maxim Integrated
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