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参数资料
| 型号： | MAX8677CETG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/21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
ABSOLUTE MAXIMUM RATINGS
DC, PEN1 to GND .................................................-0.3V to +16V
USB to GND .............................................................-0.3V to +9V
VL to GND ................................................................-0.3V to +4V
BAT, SYS, CEN , USUS, PEN2, TSET to GND...........-0.3V to +6V
THM, PSET, ISET, CT to GND .........................-0.3V to VL + 0.3V
PREQ , CHG , DOK , UOK , FLT to GND .....................-0.3V to +6V
EP (exposed paddle) to GND ...............................-0.3V to +0.3V
DC Continuous Current (total in 2 pins) .........................2.4A RMS
USB Continuous Current (total in 2 pins) .......................2.0A RMS
BAT Continuous Current (total in 2 pins)........................2.4A RMS
Continuous Power Dissipation (T A = +70°C)
(derate 27.8mW/°C above +70°C) ........................... 2222mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature Range ............................-40°C to +125°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
SYS Continuous Current (total in 2 pins) ........................2.4A RMS
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(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
DC-TO-SYS PREREGULATOR
DC Operating Range
DC Standoff Voltage
V BAT = V SYS = 0V
4.1
6.6
14
V
V
DC Undervoltage Threshold
DC Overvoltage Threshold
DC Supply Current
DC Shutdown Current
DC-to-SYS On-Resistance
DC-to-BAT Dropout Voltage
When V DOK goes low, V DC rising, 500mV typical hysteresis
When V DOK goes high, V DC rising, 360mV typical hysteresis
I SYS = I BAT = 0mA, V CEN = 0V
I SYS = I BAT = 0mA, V CEN = 5V
V DC = V CEN = USUS = 5V, V PEN1 = 0V
I SYS = 400mA, V CEN = 5V
When SYS regulation and charging stops, V DC falling,
150mV hysteresis
R PSET = 1.5k Ω
R PSET = 3k Ω
3.95
6.8
10
1800
900
4.0
6.9
1
0.8
195
0.2
50
2000
1000
4.05
7.0
2
1.5
333
0.35
90
2200
1100
V
V
mA
μA
Ω
mV
DC Current Limit
(See Table 2 for Input Source
Control)
V DC = 6V, V SYS = 5V,
T A = +25°C
R PSET = 6.3k Ω
V PEN1 = 0V, V PEN2 = 5V
(500mA USB mode)
450
450
475
475
500
500
mA
V PEN1 = 0V, V PEN2 = 0V
(100mA USB mode)
80
95
100
PSET Resistance Range
1.5
6.3
k Ω
SYS Regulation Voltage
Input Current Soft-Start Time
Thermal-Limit Temperature
Thermal-Limit Gain
VL Voltage
V DC = 6V, I SYS = 1mA to 1.75A, V CEN = 5V
Connecting DC when no USB present
Connecting DC with USB present
Die temperature at which charging and input current limits
are reduced
I SYS reduction/die temperature (above +100°C)
I VL = 0 to 10mA
4.29
3.0
4.35
1.5
50
+100
5
3.3
4.40
3.6
V
ms
μs
°C
%/°C
V
2
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