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医疗终端:心脏监护仪
电池监视器
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QV
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低成本I²C电池监视器
DS2745
低成本电池电量计,用于监视电流、电压与温度
QV
PDF
低功耗、精度达1%的电池监视器,提供µDFN和SC70封装
MAX6775, MAX6776, MAX6777, MAX6778, MAX6779, MAX6780, MAX6781
Key Specifications: Battery Protectors, Selectors and Monitors
Part Number
Functions
Battery Type
Interface
Parameters Measured
Supply Voltage (min) (V)
Supply Voltage (max) (V)
Features
Package
Smallest Available Package (max w/pins) (mm
2
)
Operating Temp.
Range (°C)
MAX6775
-
-
-
-
-
-
-
MicroDFN/6
SC-70/5
2
-40 to +85
DS2745
Fuel Gauge
1 Cell Li-Ion
3-Cell NiMH
2-Wire
Current
Temperature
Voltage
2.5
5.5
Digital Current Accumulation
uSOP/8
16
-40 to +85
See All Battery Protectors, Selectors and Monitors (21)
Key Specifications: Supervisors (1 Monitored Voltage)
Part Number
Reset Threshold Range (V)
Active-Low Reset Output
Min. Reset Timeout Range
Watchdog Feature
Supervisor Features
Reset Thresh. Acc. (% @+25°C)
Max. I
CC
(µA)
Package
Smallest Available Package (max w/pins) (mm
2
)
Operating Temp.
Range (°C)
MAX6775
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
Push-Pull
<1ms
No Watchdog
Low Battery Detect
1
7
MicroDFN/6
SC-70/5
2
-40 to +85
MAX6776
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
Open Drain
<1ms
No Watchdog
Low Battery Detect
1
7
MicroDFN/6
SC-70/5
2
-40 to +85
MAX6777
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
Push-Pull
<1ms
No Watchdog
Low Battery Detect
1
7
MicroDFN/6
SC-70/5
2
-40 to +85
MAX6778
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
Open Drain
<1ms
No Watchdog
Low Battery Detect
1
7
MicroDFN/6
SC-70/5
2
-40 to +85
See All Supervisors (1 Monitored Voltage) (268)
Key Specifications: Supervisors (2 Monitored Voltages)
Part Number
Interface
Reset Threshold Range (V)
Active-Low Reset Output
Min. Reset Timeout Range
Watchdog Feature
Supervisor Features
Reset Thresh. Acc. (% @+25°C)
Max. I
CC
(µA)
Package
Smallest Available Package (max w/pins) (mm
2
)
Operating Temp.
Range (°C)
MAX6779
R/C Adjustable
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
Push-Pull
<1ms
No Watchdog
Low Battery Detect
1
7
MicroDFN/6
2
-40 to +85
MAX6780
R/C Adjustable
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
Open Drain
<1ms
No Watchdog
Low Battery Detect
1
7
MicroDFN/6
2
-40 to +85
MAX6781
R/C Adjustable
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
Open Drain
Push-Pull
<1ms
No Watchdog
Low Battery Detect
1
7
MicroDFN/6
2
-40 to +85
See All Supervisors (2 Monitored Voltages) (70)
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