S8233A Datasheet | Seiko Instruments

Features (1) Internal high-accuracy voltage detection circuit Over charge detection voltage 4.10 ± 0.05 V to 4.35 ± 0.05 V 50 m V- step Over charge release voltage 3.85 ± 0.10 V to 4.35 ± 0.10 V 50 m V- step (The over charge release voltage can be selected within the range where a difference from over charge detection voltage is 0 V to 0.3 V) Over discharge detection voltage 2.00 ± 0.08 V to 2.70± 0.08 V 100 m V- step Over discharge release voltage 2.00 ± 0.10 V to 3.70± 0.10 V 100 m V - step (The over discharge release voltage can be selected within the range where a difference from over discharge detection voltage is 0 V to 1.0 V) Over current detection voltage 1 0.15 ±0.015 V to 0.5 ±0.05 V 50 m V-step (2) (3) (4) (5) (6) (7) (8) 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) Applications Lithium-ion rechargeable battery packs Packages Package Name 14-Pin SOP 16-Pin TSSOP Package FE014-A FT016-A Drawing Code Tape FE014-A FT016-A Reel FE014-A FT016-A Seiko Instruments Inc. BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Block Diagram Rev.3.2_10 Reference voltage 1 + - Battery 1 Over charge Over current 2,3 delay circuit Over current detection circuit CD1 + - Battery 1 Over discharge Over current1, delay circuit COVT VC1 Battery 1 Over charge + - Battery 2 Over charge Over discharge delay circuit Control Logic Over charge delay circuit CD2 + Battery 2 Over discharge Reference voltage 2 - CCT VC2 Battery 2 Over charge + - Battery 3 Over charge CD3 + Battery 3 Over discharge Reference voltage 3 -...