The R5402Nx Series is a high input voltage CMOS-based protection ICs for over-charge/discharge of rechargeable one-cell Lithium-ion (Li-ion) / Lithium polymer excess load current, further include a short circuit protector for preventing large external short circuit current and excess charge/discharge-current. Each of these ICs is composed of four voltage detectors, reference units, a delay circuit, a short circuit protector, an oscillator, a counter, and a logic circuit. SOT-23-5 package is available.
The RICOH R5402Nx Series are high input voltage CMOS-based protection integrated circuits (ICs) specifically designed for rechargeable one-cell Lithium-ion (Li-ion) / Lithium polymer battery packs. These devices provide comprehensive protection against over-charge, over-discharge, excess discharge current, and excess charge current, with an included short circuit protector to prevent large external currents.
Each IC in the series is composed of four voltage detectors, reference units, a delay circuit, a short circuit protector, an oscillator, a counter, and a logic circuit. The components are available in a SOT-23-5 package.
| Supply Voltage (Vov) | +12V (Absolute Maximum Rating) |
|---|---|
| Charger Negative Input Voltage (V-) | -35V (Absolute Maximum Rating) |
| Operating Input Voltage Range | 1.5V to 5.0V |
| Over-charge Detector Threshold Range | 4.0V to 4.5V |
| Package Type | SOT-23-5 |
The absolute maximum rating for the supply voltage is +12V.
The device operates with an input voltage between 1.5V and 5.0V.
The maximum standby current for the C version is 0.1A.