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S-8244AARFN-CERT2G Datasheet (PDF) - Seiko Instruments Inc

S-8244AARFN-CERT2G Datasheet PDF - Seiko Instruments Inc
Part # S-8244AARFN-CERT2G
Download  S-8244AARFN-CERT2G Download

File Size   399.3 Kbytes
Page   27 Pages
Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc
Description BATTERY PROTECTION IC FOR 1-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION)

S-8244AARFN-CERT2G Datasheet (PDF)

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S-8244AARFN-CERT2G Datasheet PDF - Seiko Instruments Inc

Part # S-8244AARFN-CERT2G
Download  S-8244AARFN-CERT2G Click to download

File Size   399.3 Kbytes
Page   27 Pages
Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc
Description BATTERY PROTECTION IC FOR 1-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION)

S-8244AARFN-CERT2G Datasheet (HTML) - Seiko Instruments Inc

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S-8244AARFN-CERT2G Product details

The S-8244 Series is used for secondary protection of lithium-ion batteries with from one to four cells, and incorporates a high-precision voltage detector circuit and a delay circuit. Short-circuiting between cells makes it possible for serial connection of one to four cells.

Features
(1) Internal high-precision voltage detector circuit
   • Overcharge detection voltage range: 3.700 V to 4.550 V: Accuracy of ± 25 mV
                                   (at +25°C) (at a 5 mV/step) Accuracy of ± 50 mV (at −40°C to +85°C)
   • Hysteresis: 5 types
                      0.38 ± 0.1 V, 0.25 ± 0.07 V, 0.13 ± 0.04 V, 0.045 ± 0.02 V, None
(2) High-withstand voltage: Absolute maximum rating: 26 V
(3) Wide operating voltage range: 3.6 V to 24 V (refers to the range in which the delay circuit can operate normally after overvoltage is detected)
(4) Delay time during detection: Can be set by an external capacitor.
(5) Low current consumption: At 3.5 V for each cell: 3.0 μA max. (+25°C)
                                           At 2.3 V for each cell: 2.4 μA max. (+25°C)
(6) Output logic and form: 5 types
                                      CMOS output active “H”
                                      CMOS output active “L”
                                      Pch open drain output active “L”
                                      Nch open drain output active “H”
                                      Nch open drain output active “L”
                                      (CMOS / Nch open drain output for 0.045 V hysteresis models)
(7) Lead-free, Sn 100%, halogen-free*1

Applications
• Lithium ion rechargeable battery packs (secondary protection)




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