S-8215AAA-K8T2U Datasheet, PDF (1/29 Pages) Seiko Instruments Inc – BATTERY PROTECTION IC FOR 3-SERIAL TO 5-SERIAL CELL PACK

S-8215A Series
www.sii-ic.com
BATTERY PROTECTION IC FOR 3-SERIAL TO 5-SERIAL CELL PACK
(SECONDARY PROTECTION)
© SII Semiconductor Corporation, 2010-2016
Rev.2.3_02
The S-8215A Series is used for secondary protection of lithium-ion rechargeable batteries, and incorporates high-accuracy
voltage detection circuits and delay circuits.
Short-circuiting between cells makes it possible for serial connection of three cells to five cells.
 Features
• High-accuracy voltage detection circuit for each cell
Overcharge detection voltage n (n = 1 to 5)
3.60 V to 4.70 V (50 mV step)
Accuracy ±25 mV (Ta = +25°C)
Accuracy ±30 mV (Ta = −5°C to +55°C)
Overcharge hysteresis voltage n (n = 1 to 5)
0.0 mV to −550 mV (50 mV step)
−300 mV to −550 mV
Accuracy ±20%
−100 mV to −250 mV
Accuracy ±50 mV
0.0 mV to −50 mV
Accuracy ±25 mV
• Delay times for overcharge detection can be set by an internal circuit only (External capacitors are unnecessary).
• Output form is selectable:
CMOS output, Nch open-drain output, Pch open-drain output
• Output logic is selectable:
Active "H", active "L"
• High-withstand voltage:
Absolute maximum rating 28 V
• Wide operation voltage range:
3.6 V to 26 V
• Wide operation temperature range: Ta = −40°C to +85°C
• Low current consumption
At V_CUn − 1.0 V for each cell:
At 2.3 V for each cell:
3.0 μA max. (Ta = +25°C)
1.7 μA max. (Ta = +25°C)
• Lead-free (Sn 100%), halogen-free
 Application
• Lithium-ion rechargeable battery pack (for secondary protection)
 Packages
• TMSOP-8
• SNT-8A
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