R5460x series Li-ION / POLYMER 2-cell PROTECTOR
The Ricoh R5460x Series comprises high-voltage CMOS-based protection integrated circuits designed for over-charge, over-discharge, and short circuit protection of rechargeable two-cell Lithium-ion (Li+) and Lithium polymer battery packs. The series includes various versions (A, C, D, E, F) with specific configurations for over-discharge release logic and hysteresis.
| Supply current (normal mode) | Typ. 4.0nA |
|---|---|
| Standby current (A/D/E version) | Typ. 1.2uA |
| Over-charge detector threshold (Topt=25°C) | +25mV |
| Over-discharge detector threshold | 42.5% |
| Short Detector Threshold | Fixed at 0.8V |
| Over-charge detector Output Delay | 1.0s |
| Over-discharge detector Output Delay | 128ms |
| Short Circuit detector Output Delay | 300us |
| Operating temperature range | -40 to 85 °C |
| Package types | SOT-23-6, DFN(PLP)1820-6 |
They are high voltage CMOS-based protection ICs for over-charge/discharge of rechargeable two-cell Lithium-ion / Lithium polymer, including short circuit protection.
The series is available in SOT-23-6 and DFN(PLP)1820-6 packages.
The output delay time for the over-discharge detector is 128ms.