ABLIC S-8242BBF-T8T1G

The S-8242B series are protection ICs for 2-cell series-connected lithium-ion/lithium-polymer rechargeable batteries, incorporating high-accuracy voltage detectors and delay circuits. These ICs are designed to protect 2-cell series-connected lithium-ion/lithium-polymer rechargeable battery packs from overcharge, overdischarge, and overcurrent damage.

• High-accuracy per-cell voltage detection: Overcharge detection voltage n (n = 1, 2) range 3.9 V to 4.5 V (50 mV steps), accuracy ±25 mV; overcharge release voltage n (n = 1, 2) range 3.8 V to 4.5 V, accuracy ±50 mV; overdischarge detection voltage n (n = 1, 2) range 2.0 V to 3.0 V (100 mV steps), accuracy ±50 mV; overdischarge release voltage n (n = 1, 2) range 2.0 V to 3.4 V, accuracy ±100 mV.
• Two-level overcurrent detection (overcurrent 1, overcurrent 2): Overcurrent detection voltage 1 at 0.05 V, 0.08 V to 0.30 V (10 mV steps), accuracy ±15 mV; overcurrent detection voltage 2 at 1.2 V (fixed), accuracy ±300 mV.
• Delay times (overcharge, overdischarge, overcurrent) generated by internal circuitry (no external capacitors required).
• 0 V battery charging function selectable (enable/disable).
• Charger detection function: overdischarge hysteresis released by detecting negative voltage at VM pin (typical -0.7 V).
• High-voltage device: absolute maximum rating 28 V.
• Wide operating temperature range: -40°C to +85°C.
• Low current consumption: operating mode maximum (at +25°C), power-down mode A maximum (at +25°C).
• Lead-free, 100% tin, halogen-free.

• Lithium-ion rechargeable battery pack
• Lithium polymer rechargeable battery pack