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產品資訊

產品資訊 > RICOH > Li-ion Battery Protection ICs > Second Protection
Li-ion/polymer Battery 2nd Protection IC Products Lineup

Ricoh's Li-ion/polymer battery 2nd protection ICs support over-charge voltage protection only. These are suitable from 2cell to 5cell battery pack.

Product
Name
Cells Overcharge
Detector
Threshold [V]
(Accuracy)
Overdischarge
Detector
Threshold [V]
(Accuracy)
Excess Discharge Current
Detector Threshold [V]
(Accuracy)
Excess Charge
Current Detector
Threshold [V]
(Accuracy)
Supply
Current
[µA]
Remarks Package Download
VD3-1 VD3-2
R5434 2 to 5 3.6 to 4.6
(±25mV)
1.5 3.7 - - 3.0   SON-8 Datasheet
R5435 2 to 3 4.10 to 4.55
(±20mV)
2.0 or 4.0 or 6.0 4.7 3.5 0.1 3.0   DFN(PLP)1616-6B
TSOT-23-6
Datasheet
R5437 1 to 3 4.10 to 4.60
(±20mV)
2.0 or 4.0 or 6.0 4.7 3.5 0.1 0.85   DFN1814-6*1 Datasheet
R5438 1 to 3 4.10 to 4.60
(±20mV)
2.0 or 4.0 or 6.0 4.7 3.5 0.1 0.85   DFN1814-6*1 Datasheet
R5439 2 to 4 4.20 to 4.60
(±20mV)
2.0 or 4.0 or 6.0 4.7 1: 3.8
2: 2.3 to 2.8
0.2 4.0*2 With VR DFN(PLP)2020-8 Datasheet
R5458 1 4.0 to 4.7
(±20mV)
2.0 VDD - 0.5 1.5   DFN1814-6C Datasheet
NEW
R5640
2 to 5 3.6 to 4.6
(±16mV)
2, 4, 6, 10 or 16 4.7 2.5 or 3.7 0.2 2.5   MSOP-8 Datasheet
NEW
R5641
2 to 4 4.1 to 4.6
(±16mV)
2, 4, or 6 4.7 2.5 or 3.7 0.2 2.5   DFN2020-8C Datasheet

TYPICAL APPLICATION

TYPICAL APPLICATION

  • *)When using as a 2cell protection IC, please short VC3 pin and VSS pin. Please contact to Dexerials Corporation about Self Control Protector.