ABLIC S-8215AAJ-K8T2U

The S-8215A series is designed for secondary protection of lithium-ion rechargeable batteries, integrating a high-accuracy voltage detection circuit and a delay circuit. Short-circuit protection between batteries enables series connection of three to five cells.

• High-accuracy voltage detection circuit per cell
• Overcharge detection voltage n (n=1 to 5): 3.600 V to 4.700 V (50 mV steps), accuracy ±25 mV (Ta = +25°C), accuracy ±30 mV (Ta = -5°C to +55°C)
• Overcharge hysteresis voltage n (n=1 to 5): 0.0 mV to -550 mV (50 mV steps), -300 mV to -550 mV, -100 mV to -250 mV, 0.0 mV to -50 mV, accuracy ±20%, accuracy ±50 mV, accuracy ±25 mV
• Overcharge detection delay time set by internal circuit only — no external capacitor required
• Selectable output type: CMOS output, Nch open-drain output, Pch open-drain output
• Selectable output logic: active-high, active-low
• High withstand voltage: maximum rating 28 V
• Wide operating voltage range: 3.6 V to 26 V
• Wide operating temperature range: Ta = -40°C to +85°C
• Low current consumption: 3.0 μA max at Vcun - 1.0 V per cell (Ta = +25°C); 1.7 μA max at 2.3 V per cell (Ta = +25°C)
• Lead-free (Sn 100%), halogen-free

• Lithium-ion rechargeable battery pack (for secondary protection)