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S8233A

Seiko Instruments
Part Number S8233A
Manufacturer Seiko Instruments
Description Battery Protection IC
Published Oct 29, 2005
Detailed Description Rev.3.2_10 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series The S-8233A Series is a series of lithium-ion ...
Datasheet PDF File S8233A PDF File

S8233A
S8233A

Overview
Rev.
3.
2_10 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series 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 battery pack.
Features (1) Internal high-accuracy voltage detection circuit Over charge detection voltage 4.
10 ± 0.
05 V to 4.
35 ± 0.
05 V 50 mV- step Over charge release voltage 3.
85 ± 0.
10 V to 4.
35 ± 0.
10 V 50 mV- 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 mV- step Over discharge release voltage 2.
00 ± 0.
10 V to 3.
70± 0.
10 V 100 mV - 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 mV-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.
1 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Block Diagram Rev.
3.
2_10 VCC Reference voltage 1 + − Battery 1 Over charge Over current 2,3 delay circuit Over current detection circuit VMP CD1 + − Battery 1 Over discharge Over current1, delay circuit COVT VC1 Battery 1 Over char...


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