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参数资料
| 型号： | MAX1879EUA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/11页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER LI+ PULSE 8UMAX |
| 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） |
| 电源电压： | 4.4 V ~ 22 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 带卷 (TR) |
Simple, Efficient, 1-Cell Li+ Pulse Charger
ABSOLUTE MAXIMUM RATINGS
IN, CHG , GATE to GND..........................................-0.3V to +26V
BATT, TSEL, THERM, ADJ to GND...........................-0.3V to +6V
GATE to IN................................................................-6V to +0.3V
THERM, ADJ to BATT...............................................-6V to +0.3V
GATE Continuous Current ................................................ -10mA
Continuous Power Dissipation (TA = +70°C)
8-Pin μMAX (derate 4.1mW/°C above +70°C) ............ 330mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range ............................ -65°C to +150°C
Lead Temperature (soldering, 10s) ................................ +300°C
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 IN = V CHG = +10V, V BATT = +4.2V, TSEL = GND, GATE = unconnected, ADJ = unconnected, THERM = 10k ? to GND, T A = 0°C to
+85°C , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
Input Voltage (Note 1)
Undervoltage Lockout Trip Point
SYMBOL
V IN
CONDITIONS
External PMOS FET off
BATT rising
MIN
4.4
2.1
TYP
2.2
MAX
22
2.3
UNITS
V
V
Undervoltage Lockout Trip-Point
Hysteresis
BATT falling
60
mV
Fast-Charge Qualification
Threshold
Fast-Charge Restart Threshold
Fast-Charge Reset Threshold
Delay
Precharge Source Current
BATT Regulation Voltage
BATT Regulation Adjust Range
ADJ Source Impedance
ADJ Output Voltage
BATT Removal Detection
Threshold
BATT Removal Detection
Threshold Hysteresis
BATT Input Current (Note 4)
BATT rising, transition from precharge to
full current
BATT falling, transition from Done to
Prequalification state (Note 2)
(Note 3)
V BATT = 2V
No load on ADJ
BATT rising
BATT falling
V IN ≤ V BATT - 0.3V
2.425
3.92
5
4.1685
4.0
9.8
1.393
4.875
2.5
4.00
1
8
4.2000
10
1.400
5
125
0.1
2.575
4.08
12
4.2315
4.2
10.2
1.407
5.125
1.5
V
V
ms
mA
V
V
k ?
V
V
mV
μA
BATT Input Current, Fast-Charge
State
BATT Input Current, Done State
IN Input Current, Fast-Charge
State
IN Input Current, Done State
Timer Accuracy
CHG Output Leakage Current
I BATT
I BATT
I IN
I IN
V BATT = 4.0V
V BATT = 4.25V, V IN present
V BATT = 4.0V, V IN = 4.0V
V BATT = 4.25V, V IN = 22V
V CHG = 22V, CHG = high
-10
-1
900
85
50
700
1500
200
500
1200
+10
+1
μA
μA
μA
μA
%
μA
CHG Output Sink Current
V CHG = 1.0V, CHG = low
4
5
6
mA
2
_______________________________________________________________________________________
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