Features: 30 mV per cell charging accuracy from 0 to +50 Low quiescent current (250 A- ON; 2A- OFF)Undervoltage precharge detectorSelf-discharge maintenance chargingApplicationCellular telephonesPersonal Digital AssistantsOther 1-cell Li-ion portable applicationsPinoutSpecifications SYMBOL ...
NE57611: Features: 30 mV per cell charging accuracy from 0 to +50 Low quiescent current (250 A- ON; 2A- OFF)Undervoltage precharge detectorSelf-discharge maintenance chargingApplicationCellular telephonesPe...
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30 mV per cell charging accuracy from 0 to +50
Low quiescent current (250 A - ON; 2A - OFF)
Undervoltage precharge detector
Self-discharge maintenance charging
SYMBOL | PARAMETER | MIN. | MAX. | UNIT |
VCC(max) |
Power supply voltage | -0.3 | +18 | V |
VCEL(max) |
Maximum cell voltage | -0.3 | +13 | V |
VLVEN |
LVEN input voltage | -0.3 | VCC + 0.3 |
V |
VON/OFF |
ON/OFF input voltage | -0.3 | VCC + 0.3 |
V |
Topr |
Operating ambient temperature | -20 | +70 | |
Tstg |
Storage temperature | -40 | +125 | |
PD |
Power dissipation | - | 300 | mW |
The NE57611 is a one-cell, Li-ion battery charger controller which includes constant-current and constant voltage charging, a precise charge termination, and precharging of undervoltage cells.
NE57611 contains the minimum circuitry needed to safely charge a lithium-ion or lithium-polymer cell. This makes it good for very compact, portable applications.