Description
The S-8233BBFT is a series of lithium-ion rechargeable battery protection ICs incorporating high-accuracy (±25 mV) voltage detection circuits and delay circuits. It is suitable for a 3-serial-cell lithium-ion battery pack.
Internal high-accuracy voltage detection circuit Over charge detection voltage 3.80 ± 0.025 V to 4.40 ± 0.025 V 5 mV – step Over charge release voltage 3.45 ± 0.100 V to 4.40 ± 0.100 V 5 mV – step (The over charge release voltage can be selected within the range where a difference from over charge detection voltage is 0 to 0.35 V with 50 mV – step) Over discharge detection voltage 2.00 ± 0.08 V to 2.80 ± 0.08 V 50 mV – step Over discharge release voltage 2.00 ± 0.10 V to 4.00 ± 0.10 V 50 mV – step (The over discharge release voltage can be selected within the range where a difference from over discharge detection voltage is 0 to 1.2 V with 50 mV – step) Over current detection voltage 1 0.15 ± 0.015 V to 0.5 ± 0.05 V 50 mV – step High input-voltage device (absolute maximum rating: 26 V) Wide operating voltage range: 2 V to 24 V The delay time for every detection can be set via an external capacitor Three over current detection levels (protection for short-circuiting) Internal charge/discharge prohibition circuit via the control terminal 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) Lead-free products
