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参数资料
| 型号： | DS2778G+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/46页 |
| 文件大小： | 0K |
| 描述： | IC FUEL GAUGE LI+ 2CELL 14-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 燃料，电量检测计/监控器 |
| 电池化学： | 锂离子（Li-Ion）、锂聚合物（Li-Pol） |
| 电源电压： | 4 V ~ 9.2 V |
| 工作温度： | -20°C ~ 70°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（3x5） |
| 包装： | 带卷 (TR) |
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2-Cell, Stand-Alone, Li+ Fuel-Gauge IC with
Protector and Optional SHA-1 Authentication
ABSOLUTE MAXIMUM RATINGS
Voltage Range on PLS, CP, CC, DC Pins
Relative to V SS .....................................................-0.3V to +18V
Voltage Range on V DD , V IN1 , V IN2 , SRC Pins
Relative to V SS ....................................................-0.3V to +9.2V
Voltage Range on All Other Pins Relative to V SS ..-0.3V to +6.0V
Continuous Sink Current, PIO, DQ......................................20mA
Continuous Sink Current, CC, DC.......................................10mA
Operating Temperature Range ...........................-20°C to +70°C
Storage Temperature Range .............................-55°C to +125°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°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 DD = +4.0V to +9.2V, T A = -20°C to +70°C, unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
Supply Current
SYMBOL
I DD0
I DD1
CONDITIONS
Sleep mode, T A +50°C
Sleep mode, T A > +50°C
Active mode
MIN
TYP
3
80
MAX
5
10
135
UNITS
μA
I DD2
Active mode during SHA-1 computation
120
300
Temperature Accuracy
T ERR
-3
+3
°C
2.0V V IN1
4.6V, 0°C
4.6V, 2.0V
T A +50°C
(V IN2 - V IN1 )
-35
+35
Voltage Accuracy
2.0V V IN1 4.6V, 2.0V
4.6V, T A = +25°C
(V IN2 – V IN1 )
-22
22
mV
2.0V
V IN1
4.6V, 2.0V
(V IN2 - V IN1 )
4.6V
-50
+50
Input Resistance (V IN1 , V IN2 )
15
M
Current Resolution
I LSB
1.56
μV
Current Full Scale
Current Gain Error
I FS
I GERR
-51.2
-1
+51.2
+1
mV
% FS
Current Offset
Accumulated Current Offset
Time-Base Error
I OERR
q OERR
t ERR
0°C
0°C
0°C
T A
T A
T A
+70°C (Note 1)
+70°C (Note 1)
+50°C
-9.375
-255
-2
-3
9.375
0
+2
+3
μVh
μVh/Day
%
CP Output Voltage (V CP - V SRC )
V GS
I OUT = 0.9 μA
4.4
4.7
5
V
CP Startup Time
Output High: CC, DC
Output Low: CC
Output Low: DC
DQ, PIO Voltage Range
DQ, PIO, SDA, SCL Input
Logic-High
DQ, PIO, SDA, SCL Input
Logic-Low
OVD Input Logic-High
OVD Input Logic-Low
t SCP
V OHCP
V OLCC
V OLDC
V IH
V IL
V IH
V IL
CE = 0, DE = 0, C CP = 0.1 μF, active mode
I OH = 100 μA (Note 2)
I OL = 100 μA
I OL = 100 μA
V CP - 0.4
-0.3
1.5
V BAT - 0.2
200
V SRC + 0.1
V SRC + 0.1
+5.5
0.6
V SS + 0.2
ms
V
V
V
V
V
V
V
V
2
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