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| 型号： | MAX8662ETM+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/34页 |
| 文件大小： | 0K |
| 描述： | IC PMIC LI+ SNGL CELL 48TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 手持/移动设备 |
| 电流 - 电源： | 900µA |
| 电源电压： | 4.1 V ~ 8 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 48-WFQFN 裸露焊盘 |
| 供应商设备封装： | 48-TQFN-EP（6x6） |
| 包装： | 带卷 (TR) |
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Power-Management ICs for
Single-Cell, Li+ Battery-Operated Devices
ELECTRICAL CHARACTERISTICS (Input Limiter and Battery Charger) (continued)
(V DC = 5V, V BAT = 4V, V CEN = 0V, V PEN_ = 5V, R PSET = 3k ? , R ISET = 3.15k ? , C CT = 0.068μF, T A = -40°C to +85°C, unless otherwise
noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
BATTERY CHARGER
BAT-to-SYS On-Resistance
R BAT_REG
V DC = 0V, V BAT = 4.2V, I SYS = 1A
40
80
m ?
BAT-to-SYS Reverse
Regulation Voltage
V DC = 5V, V PEN1 = V PEN2 = 0V (USB 100mA mode),
I SYS = 200mA (BAT to SYS voltage drop during SYS
overload)
50
100
150
mV
BAT Regulation Voltage
V BAT_REG
I BAT = 0mA
T A = +25°C
T A = -40°C to +85°C
4.179
4.158
4.200
4.200
4.221
4.242
V
BAT Recharge Threshold
BAT voltage drop to restart charging
-140
-100
-60
mV
I SYS = 0mA,
R ISET = 1.89k ?
1250
BAT Fast-Charge Current
R PSET = 1.5k ? ,
R ISET = 3.15k ?
675
750
825
mA
V PEN1 = V PEN2 = 5V
R ISET = 7.87k ?
300
BAT Prequalification Current
V BAT = 2.5V, R ISET = 3.15k ? (prequalification
current is 10% of fast-charge current)
75
mA
ISET Resistance Range
V ISET -to-I BAT Ratio
Charger Soft-Start Time
R ISET
t SS_CHG
Guaranteed by BAT charging current
(1.5A to 300mA)
R ISET = 3.15k ? (ISET output voltage to actual
charge-current ratio)
Charge-current ramp time
1.57
2
1.5
7.87
k ?
V/A
ms
BAT Prequalification
Threshold
V BAT rising, 180mV hysteresis
2.9
3.0
3.1
V
BAT Leakage Current
V BAT = 4.2V,
outputs disabled
V DC = 0V
V DC = V CEN = 5V
0.01
0.01
5
5
μA
I BAT where CHG goes
CHG and Top-Off Threshold
high, and top-off timer;
I BAT falling (7.5% of
R ISET = 3.15k ?
56.25
mA
fast-charge current)
Timer-Suspend Threshold
Timer Accuracy
Prequalification Time
Charge Time
Top-Off Time
Charger Thermal-Limit
Temperature
Charger Thermal-Limit Gain
t PREQUAL
t FST-CHG
t TOP-OFF
I BAT falling (Note 3)
C CT = 0.068μF
From CEN high to end of prequalification charge,
V BAT = 2.5V, C CT = 0.068μF
From CEN high to end of fast charge,
C CT = 0.068μF
From CHG high to end of fast charge,
C CT = 0.068μF
(Note 4)
R PSET = 3k ?
250
-20
300
30
300
30
100
50
350
+20
mV
%
Min
Min
Min
°C
mA/°C
_______________________________________________________________________________________
3
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