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参数资料
| 型号： | MAX8677CETG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/21页 |
| 文件大小： | 0K |
| 描述： | IC USB/AC ADP CHARGER 24-TQFN |
| 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： | 4.1 V ~ 6.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
| 包装： | 带卷 (TR) |
1.5A Dual-Input USB/AC Adapter Charger
and Smart Power Selector
ELECTRICAL CHARACTERISTICS (continued)
(V DC = 5V, THM = CEN = USUS = GND, V BAT = 4V, V PEN1 = V PEN2 = 5V, USB, TSET, PREQ , CHG , DOK , UOK , FLT are unconnected,
T A = -40°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
USB-TO-SYS PREREGULATOR
USB Operating Range
USB Standoff Voltage
V BAT = V SYS = 0V
4.1
6.6
8
V
V
USB Undervoltage Threshold
USB Overvoltage Threshold
USB Supply Current
USB Shutdown Current
USB-to-SYS On-Resistance
USB-to-BAT Drop-Out Voltage
When V UOK goes low, V USB rising, 500mV hysteresis
When V UOK goes high, V USB rising, 100mV hysteresis
I SYS = I BAT = 0mA, V CEN = 0V, V PEN2 = 0V
I SYS = I BAT = 0mA, V CEN = 5V, V PEN2 = 0V
DC = unconnected, V USB = V CEN = V USUS = 5V
DC = unconnected, V USB = V CEN = 5V, I SYS = 400mA
When SYS regulation and charging stops, V USB falling,
250mV hysteresis
3.95
6.8
10
4.0
6.9
1
0.9
190
0.2
50
4.05
7.0
2
1.5
333
0.31
90
V
V
mA
μA
Ω
mV
USB Current Limit
(See Table 2 for Input Source
Control)
DC = unconnected,
V USB = 5V,
T A = +25°C
V PEN1 = 0V,
V PEN2 = 5V
V PEN1 = 0V,
V PEN2 = 0V
450
80
475
95
500
100
mA
SYS Regulation Voltage
Input Limiter Soft-Start Time
DC = unconnected, V USB = 6V;
I SYS = 1mA to 400mA, V CEN = 5V
Input current ramp time
4.29
4.35
50
4.40
V
μs
Thermal-Limit Start Temperature
+100
°C
Thermal-Limit Gain
I SYS reduction/die temperature (above +100°C)
5
%/°C
VL Voltage
DC = unconnected, V USB = 5V; I VL = 0 to 10mA
3.0
3.3
3.6
V
CHARGER
BAT-to-SYS On-Resistance
V DC = 0V, V BAT = 4.2V, I SYS = 1A
0.04
0.08
Ω
BAT-to-SYS Reverse Regulation
Voltage
V PEN1 = V PEN2 = 0V, I SYS = 200mA
40
68
90
mV
BAT Regulation Voltage
I BAT = 0mA
T A = +25°C
T A = 0°C to +85°C
4.179
4.158
4.2
4.2
4.221
4.242
V
BAT Recharge Threshold
BAT Charge-Current Set Range
Change in V BAT from DONE to fast-charge
R ISET = 10k Ω to 2k Ω (Note 2)
R ISET = 2.4k Ω
R ISET = 4k Ω
R ISET = 10k Ω
-135
0.3
1125
675
270
-95
1250
750
300
-45
1.5
1375
825
330
mV
A
BAT Charge-Current Accuracy,
Charger Loop in Control
V SYS = 5.5V,
T A = 0°C to +85°C
R ISET = 4k Ω , V BAT = 2.5V
(prequal mode)
R ISET = 6.2k Ω , V BAT = 2.5V
(prequal mode)
50
23
75.0
48
100
73
mA
R ISET = 10k Ω , V BAT = 2.5V
(prequal mode)
30
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