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Maxim > Solutions > Medical: Cardiac Monitor

Battery Monitor

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Low-Cost I²C Battery Monitor
DS2745

Low-cost battery fuel gauge that monitors current, voltage, and temperature
QV  PDF Low-Power, 1%-Accurate Battery Monitor in µDFN and SC70 Packages
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) Package Operating Temp. Range (°C)
MAX6775   -   -   -   -   -   -  MicroDFN/6
SC-70/5
-40 to +85
DS2745 
Fuel Gauge
1 Cell Li-Ion
3-Cell NiMH
2-Wire Current
Temperature
Voltage
2.5 5.5 uSOP/8 -40 to +85
See All Battery Protectors, Selectors and Monitors (22)

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. ICC (µA)
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
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
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
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
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. ICC (µA)
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
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
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
See All Supervisors (2 Monitored Voltages) (70)




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