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S-8253D

Seiko Instruments
Part Number S-8253D
Manufacturer Seiko Instruments
Description BATTERY PROTECTION IC
Published Mar 23, 2015
Detailed Description S-8253C/D Series www.sii-ic.com © Seiko Instruments Inc., 2008-2010 BATTERY PROTECTION IC FOR 2-SERIES OR 3-SERIES-CEL...
Datasheet PDF File S-8253D PDF File

S-8253D
S-8253D

Overview
S-8253C/D Series www.
sii-ic.
com © Seiko Instruments Inc.
, 2008-2010 BATTERY PROTECTION IC FOR 2-SERIES OR 3-SERIES-CELL PACK Rev.
2.
0_00 The S-8253C/D Series is a protection ICs for 2-series or 3-series cell lithium-ion rechargeable battery and includes highaccuracy voltage detector and delay circuit.
This IC is suitable for protecting lithium-ion battery packs from overcharge, overdischarge and overcurrent.
„ Features (1) High-accuracy voltage detection for each cell • Overcharge detection voltage n (n = 1 to 3) • Overcharge release voltage n (n = 1 to 3) 3.
9 V to 4.
4 V (50 mV step) 3.
8 V to 4.
4 V *1 Accuracy ±25 mV Accuracy ±50 mV • Overdischarge detection voltage n (n = 1 to 3) • Overdischarge release voltage n (n = 1 to 3) 2.
0 V to 3.
0 V (100 mV step) 2.
0 V to 3.
4 V *2 Accuracy ±80 mV Accuracy ±100 mV (2) Three-level overcurrent detection (Including load short circuiting detection) • Overcurrent detection voltage 1 0.
05 V to 0.
30 V (50 mV step) Accuracy ±25 mV • Overcurrent detection voltage 2 0.
5 V (Fixed) • Overcurrent detection voltage 3 1.
2 V (Fixed) (3) Delay time (Overcharge, Overdischarge, Overcurrent) is available by only using an internal circuit.
(External capacitors are unnecessary).
(4) Charge / discharge operation can be inhibited by the control pin.
(5) 0 V battery charge function available / unavailable are selectable.
(6) High-voltage withstand devices Absolute maximum rating 26 V (7) Wide range of operating voltage 2 V to 24 V (8) Wide range of operating temperature −40°C to +85°C (9) Low current consumption • Operation mode 28 μA max.
(+25°C) • Power-down mode 0.
1 μA max.
(+25°C) (10) Lead-free, Sn100%, halogen-free*3 *1.
Overcharge release voltage = Overcharge detection voltage − Overcharge hysteresis voltage (Overcharge hysteresis voltage n (n = 1 to 3) can be selected in 0 V, or in 0.
1 V to 0.
4 V in 50 mV step.
) *2.
Overdischarge release voltage = Overdischarge detection voltage + Overdischarge hysteresis voltage ...


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