ABLIC S-8249AAA-M6T1U

The S-8249 Series is a voltage monitoring IC with a cell balancing function and includes a high-accuracy voltage detection circuit and a delay circuit. The S-8249 Series is suitable for cell balancing and overcharge protection of batteries and capacitors.

• High-accuracy voltage detection circuit
• Cell balancing detection voltage: 2.0 V to 4.6 V (5 mV step)
• Accuracy ±12 mV ([2.0 V ≤ VBU < 2.4 V])
• Accuracy ±0.5% (2.4 V ≤ VBU ≤ 4.6 V)
• Cell balancing release voltage: 2.0 V to 4.6 V
• Accuracy ±24 mV ([2.0 V ≤ VBL < 2.4 V])
• Accuracy ±1.0% (2.4 V ≤ VBL ≤ 4.6 V)
• Overcharge detection voltage: 2.0 V to 4.6 V (5 mV step)
• Accuracy ±12 mV (2.0 V ≤ VCU < 2.4 V)
• Accuracy ±0.5% [2.4 V ≤ VCU ≤ 4.6 V]
• Overcharge release voltage: 2.0 V to 4.6 V
• Accuracy ±24 mV (2.0 V ≤ VCL < 2.4 V)
• Accuracy ±1.0% (2.4 V ≤ VCL ≤ 4.6 V)
• Nch transistor with ON resistance of 5 Ω typ. between the CB
• Cell balancing release voltage = Cell balancing detection voltage − Cell balancing hysteresis voltage (Cell balancing hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.7 V in 50 mV step.)
• Overcharge release voltage = Overcharge detection voltage − Overcharge hysteresis voltage (Overcharge hysteresis voltage can be selected as 0 V or from a range of 0.1 V to 0.7 V in 50 mV step.)

• Rechargeable battery module
• Capacitor module