The R5400N Series are 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 discharge-current. Each of these ICs is composed of three voltage detectors, reference units, a delay circuit, a short circuit detector, an oscillator, a counter, and a logic circuit. SOT-23-5 package is available.
The R5400N Series are high input voltage CMOS-based protection ICs designed for over-charge and over-discharge protection of rechargeable one-cell Lithium-ion (Li-ion) and Lithium polymer batteries. These integrated circuits also include a short circuit protector to prevent large external short circuit currents and excess discharge currents. Each IC is composed of three voltage detectors, reference units, a delay circuit, a short circuit detector, an oscillator, a counter, and a logic circuit, available in a SOT-23-5 package.
| Supply Voltage (Vov) | 12V (Absolute Maximum Rating) |
|---|---|
| Excess Detector Threshold Range | 0.05V to 0.20V |
| Charger Negative Input Voltage (V-) | -35V (Absolute Maximum Rating) |
| Operating Input Voltage Range | 1.5V to 5.0V |
| Supply Current (A Version) | Typ. 3.5uA |
| Short Protection Voltage (Vshort) | Typ. 1.3V |
| Over-charge Detector Threshold Range | 4.0V to 4.5V |
| Over-discharge Detector Threshold Range | 2.0V to 3.0V |
| Package | SOT-23-5 |
The R5400N Series is available in a SOT-23-5 package.
It is used as a Li-ion / Li polymer protector for over-charge, over-discharge, excess discharge-current, and excess charge-current for battery packs, specifically for cellphones and gadgets.