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参数资料
| 型号： | MAX8856ETD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/13页 |
| 文件大小： | 0K |
| 描述： | IC BATT CHARGER LI+ 1CELL 14TDFN |
| 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： | 0 V ~ 14 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-WFDFN 裸露焊盘 |
| 供应商设备封装： | 14-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
USB/AC Adapter, Li+ Linear Battery Charger
with Integrated 50m Ω Battery Switch in TDFN
ABSOLUTE MAXIMUM RATINGS
IN to GND .............................................................. -0.3V to +16V
BAT, SYS, EN1 , EN2 , POK , CHG , GATE to GND.....-0.3V to +6V
V L , SETI, THM to GND..............................................-0.3V to +4V
SYS to BAT ...............................................................-0.3V to +6V
V L to IN ...................................................................-16V to +0.3V
IN to BAT Current ...........................................................1.0A RMS
IN to SYS Current ...........................................................1.0A RMS
Continuous Power Dissipation (T A = +70°C)
14-Pin 3mm x 3mm TDFN (derate 18.2mW/°C
above +70°C)...........................................................1454mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature Range ............................-40°C to +150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
BAT to SYS Current ........................................................1.0A RMS
BAT Short-Circuit Duration .........................................Continuous
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 = 5.0V, V BAT = 3.3V, EN1 = EN2 = GND, R SETI = 23.58k Ω , C VL = 0.1μF, C SYS = 4.7μF, 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
IN
IN Voltage Range
0
14
V
IN Operating Voltage Range
(Note 2)
4.25
5.50
V
IN Undervoltage Threshold
IN Overvoltage Threshold
IN Supply Current
V IN rising, 500mV hysteresis (typ)
V IN rising, 150mV hysteresis (typ)
Charging, I BAT = I SYS = 0mA
Suspend, EN1 = EN2 = high, I VL = 0mA
3.9
5.6
4.0
5.8
1.2
20
4.1
6.0
3.0
40
V
V
mA
μA
IN to BAT Switch Leakage
V IN = 14V, BAT = GND
T A = +25°C
T A = +85°C
0.1
0.5
10
μA
SYS
SYS Regulated Voltage
I SYS = 0mA, V BAT = 3.3V
EN1 = low, EN2 = low
3.4
90
3.5
96
3.6
100
V
SYS Current Limit
V SYS = 3.3V
EN1 = low, EN2 = high
450
475
500
mA
EN1 = high, EN2 = low
675
712
750
SYS Dropout Voltage (V IN - V BAT )
SYS Load Regulation
I SYS = 400mA, V SYS = 3.3V, EN1 = low, EN2 = high
I SYS = 1mA to 675mA, EN1 = high, EN2 = low
350
10
700
mV
mV
BAT
BAT Regulation Voltage
I BAT = 0mA
T A = +25°C
T A = -40°C to +85°C
4.18
4.16
4.20
4.20
4.22
4.24
V
Maximum Charging Current
1
A
EN1 = low,
EN2 = low
I SYS = 0mA
I SYS = 50mA
87
95
45
100
BAT Charging Current
EN1 = low,
EN2 = high
EN1 = high,
I SYS = 0mA
I SYS = 250mA
I SYS = 0mA
450
675
475
225
712
500
750
mA
EN2 = low
I SYS = 375mA
337
2
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