R5434D series are high voltage second protection ICs for 2-5 cells rechargeable Li-ion/Li-polymer batteries.
The Ricoh R5434D Series are high voltage second protection integrated circuits (ICs) specifically designed for 2 to 5-cell rechargeable Li-ion and Li-polymer battery packs. These ICs function as a secondary protection layer, detecting over-charge conditions in individual cells.
| Supply Voltage (Vop) | -0.3V to 30V |
|---|---|
| Operating Input Voltage Range (Vov) | 4.0V to 25.0V |
| Supply Current (Ipp) | Typ.3.0ps |
| Over-charge Detector Threshold Range | 3.6V to 4.6V |
| Over-charge Voltage Accuracy | +25mV |
| Over-charge Delay time | 1.5s |
| Package Type | SON-8 |
It serves as a second protection IC for over-charge in rechargeable Li-ion and Li-polymer batteries containing two to five cells.
The device operates with an input voltage between 4.0V and 25.0V.
The circuit includes a delay of 1.5s before stopping the charge.