Описание
The S-8233A Series is a series of lithium-ion rechargeable battery protection ICs incorporating high-accuracy voltage detection circuits and delay circuits. It is suitable for a 3-serial-cell lithium-ion rechargeable battery pack.
Internal high-accuracy voltage detection circuit Overcharge detection voltage 4.10 ± 0.05 V to 4.35 ± 0.05 V 50 mV- step Overcharge release voltage 3.85 ± 0.10 V to 4.35 ± 0.10 V 50 mV- step (The overcharge release voltage can be selected within the range where a difference from overcharge detection voltage is 0 V to 0.3 V) Overdischarge detection voltage 2.00 ± 0.08 V to 2.70 ± 0.08 V 100 mV- step Overdischarge release voltage 2.00 ± 0.10 V to 3.70 ± 0.10 V 100 mV – step (The overdischarge release voltage can be selected within the range where a difference from overdischarge detection voltage is 0 V to 1.0 V) Overcurrent detection voltage 1 0.15 ± 0.015 V to 0.50 ± 0.05 V 50 mV-step High-withstand voltage device (absolute maximum rating: 26 V) Wide operating voltage range: 2 V to 24 V (4) The delay time for every detection can be set via an external capacitor Three overcurrent detection levels (protection for short-circuiting) Internal charge/discharge prohibition circuit via the control pin The function for charging batteries from 0 V is available Low current consumption Operation 50 µA max. (+25 °C) Power-down 0.1 µA max. (+25 °C) (9) Lead-free, Sn 100%, halogen-free