ABLIC S-8261DAI-M6T1U

The S-8261D series incorporates a high-precision voltage detection circuit and delay circuit, serving as a protection IC for lithium-ion/lithium-polymer rechargeable batteries. The S-8261D series is optimally suited for overcharge, overdischarge, and overcurrent protection of single-cell lithium-ion/lithium-polymer rechargeable battery packs.

• High-precision voltage detection circuit
• Overcharge detection voltage 3.500 V ~ 4.600 V (5 mV steps), accuracy ±20 mV
• Overcharge release voltage 3.100 V ~ 4.600 V, accuracy ±50 mV
• Over-discharge detection voltage 2.000 V ~ 3.400 V (10 mV steps), accuracy ±50 mV
• Over-discharge release voltage 2.000 V ~ 3.400 V, accuracy ±100 mV
• Discharge overcurrent detection voltage 0.050 V ~ 0.400 V (5 mV steps), accuracy ±10 mV
• Load short-circuit detection voltage 0.150 V ~ 0.900 V (25 mV steps), accuracy ±100 mV
• Charge overcurrent detection voltage -0.200 V ~ -0.050 V (5 mV steps), accuracy ±20 mV
• All detection delay times implemented via internal circuit only (no external capacitors required)
• Selectable 0 V battery charging function: enabled/disabled
• Selectable sleep function: available/unavailable
• Selectable discharge overcurrent release condition: load disconnection / charger connection
• Selectable discharge overcurrent release voltage: VRIov, VDIOV
• High breakdown voltage: VM pin, CO pin — absolute maximum rating 28 V
• Wide operating temperature range: Ta = -40°C ~ +85°C
• Low current consumption
  • Active: 1.5 μA (typ.), 4.0 μA (max.) (Ta = +25°C)
  • Sleep: 50 nA (max.) (Ta = +25°C)
  • Over-discharge: 500 nA (max.) (Ta = +25°C)
• Lead-free (Sn 100%), halogen-free

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