Lithium-Ion Battery protection IC using high voltage CMOS process for overcharge, overdischarge and overcurrent protection of the rechargeable Lithium-ion or Lithium-polymer battery. The overcharge, overdischarge, discharging overcurrent, charging overcurrent, and short protection of the rechargeable Lithium-ion or Lithium-polymer battery can be detected. Each of these IC composed of four voltage detectors, short detection circuit, reference voltage sources, oscillator, counter circuit and logical circuits.
Outline
MM415x series are protection ICs with thermal protection and control teminal for charge and discharge off mode for rechargeable Lithium-ion or Lithium-polymer battery.
By using external thermistor, this protects the battery pack and system over temperature. In addition , it reduces the current consumption of system by using charge and dischrge off mode , when the system is shutdown.
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For one-cell
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1) Range and accuracy of detection voltage
●Overcharge detection voltage 3.8V to 4.8V, 5mV steps Accuracy±15mV
●Overdischarge detection voltage 2.0V to 3.0V, 50mV steps Accuracy±35mV
●Discharging overcurrent detection voltage 1 +3mV to +50mV, 0.1mV steps Accuracy±1.00mV(MM4140 Series)
Accuracy±0.75mV(MM4151 Series)
Accuracy±0.50mV(MM4152 Series)
●Discharging overcurrent detection voltage 2 +6mV to +100mV, 0.5mV steps Accuracy±2.00mV(MM4150/MM4151 Series)
Accuracy±1.50mV(MM4152 Series)
●Charging overcurrent detection voltage -50mV to -3mV, 0.1mV steps Accuracy±1.00mV(MM4150 Series)
Accuracy±0.75mV(MM4151 Series)
Accuracy±0.50mV(MM4152 Series)
●Short detection voltage +10mV to +150mV, 1mV steps Accuracy±2.5mV
●0V Battery Charging Inhibition Voltage 1.2V~2.0V, 0.1V steps Accuracy±0.2V(1.2V)
Accuracy±0.1V(1.3V~2.0V)
●High temperature detection 50℃~85℃ Accuracy±3℃
2) Low current consumption
●Normal mode Typ. 2.5µA, Max. 4.0µA
●Stand-by mode(Overdischarge Latch "ENABLE") Max. 0.1µA
●Stand-by mode(Overdischarge Latch "DISABLE") Max. 0.5μA -
Click the arrow icon in the table below to switch from ascending to descending order.
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Product
namePackage
0V battery
charge
functionOvercharge
release
functionOverdischarge
release
functionDischarging
overcurrent
release
functionOvercharge
detection
voltage
[V]Overcharge
release
voltage
[V]Overdischarge
detection
voltage
[V]Overdischarge
release
voltage
[V]Discharging
overcurrent
detection
voltage1
[V]Charging
overcurrent
detection
voltage
[V]Short
detection
voltage
[V]Overcharge
detection
delay time
[s]Overcharge
release
delay time
[ms]Overdischarge
detection
delay time
[ms]Overdischarge
release
delay time
[ms]Discharging
overcurrent
detection
delay time1
[ms]Discharging
overcurrent
release
delay time
[ms]Charging
overcurrent
detection
delay time
[ms]Charging
overcurrent
release
delay time
[ms]Short
detection
delay time
[ms]MM4150AE1RR4 SSON-8K/L Prohibition voltage voltage voltage 4.500 4.300 2.500 2.900 0.0270 -0.0210 0.054 1.024 16.0 64.0 4.0 32.0 8.00 16.0 8.0 0.280 -
- SSON-8TA
- SSON-8TB
- SSON-8TC
- SSON-8K
- SSON-8L
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