MC3651 Series

The MC3651 series are protection IC with integrated MOS-FET for protection of the rechargeable Lithium-ion or Lithium-polymer battery.The overcharge, overdischarge and discharging and charging overcurrent protection of the rechargeable one-cell Lithium-ion or Lithium-polymer battery can be detected.

For one-cell

1. Range and accuracy of detection/release voltage
●Overcharge detection voltage 4.15V to 4.50V, 5mV steps Accuracy±20mV
●Overcharge release voltage 4.00V to 4.35V (Note1) Accuracy±50mV
●Overdischarge detection voltage 2.00V to 3.00V (Note2) Accuracy±100mV
●Overdischarge release voltage 2.00V to 3.00V (Note2) Accuracy±100mV
●Discharge overcurrent detection voltage 20mV to 65mV, 1mV steps Accuracy±5mV
(Discharge current limit　0.310A to 1.00A)
●Charging overcurrent detect voltage -65mV to -25mV, 1mV step Accuracy±5mV
(Charge current limit　0.385A to 1.00A)
●Short detection voltage Selection from 0.19, 0.36V Accuracy±50mV

2. Range of detection delay time
●Overcharge detection delay time Selection from 1.0s fixed
●Overdischarge detection delay time Selection from 100ms, 256ms
●Discharging overcurrent detection delay time Selection from 8ms, 12ms, 16ms, 20ms, 48ms, 224ms
●Charging overcurrent detection delay time Selection from 8.5ms, 16.5ms, 32.5ms
●Short detection delay time Selection from 0.50ms, 0.75ms

3. 0V battery charge functionSelection from "Permission" or "Prohibition" (Note3)

4. Low current consumption
●Normal mode Typ. 3.0µA, Max. 4.5µA
●Stand-by mode Max. 0.1µA (In case Overdischarge latch function "Enable")
Max. 0.5µA (In case Overdischarge latch function "Disable")

5. MOS-FET　　Source to Source on state resistance Typ. 65.0mΩ (@VDD=3.5V)

Note1 : Hysteresis voltagebetween Overcharge detection and release voltage is selectable from 0.10V/0.15V/0.20V/0.25V.
Note2 : Please inquire to us about details of the setting of Overdischarge detection and release voltage.

Package

• PLP-4E