[Outline]
MM3480 series is a secondary protection IC for 2 serial cells lithium-ion / lithium-polymer rechargeable secondary battery, which detects battery voltage by cell.
With a timer circuit built-in, it is possible to set overcharge detection delay time.
[Features] (Unless otherwise specified, Topr=+25°C)
1) Range and accuracy of detection voltage
| ●Overcharge detection voltage |
4.0V to 4.5V, 5mV step |
Accuracy±30mV |
2) Range of detection delay time
| ●Overcharge detection delay time |
1.2s to 10.0s |
Selection from Rank |
3) Low current consumption
| ●Typ. 2.5µA, Max. 5.0µA (Vcell=3.5V) |
|---|
| ●Typ. 0.1µA, Max. 0.15µA (Vcell=2.3V) |
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4) Absolute maximum ratings
| ●VDD pin |
VSS-0.3V to +12V |
| ●OV pin |
VSS-0.3V to VDD+0.3V |
| ●Storage temperature |
-55 to +125°C |
| ●Operation temperature |
-40 to +110°C |
[Package]
[Pin Assignment]
SOT-26A
SSON-6A
