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S-8254A - BATTERY PROTECTION

General Description

1 COP FET gate connection pin for charge control (Nch open drain output) 2 VMP Pin for voltage detection between VC1 and VMP (Pin for overcurrent 3 detection) 3 DOP FET gate connection pin for discharge control FET (CMOS output) 4 VINI Pin for voltage detection between VSS and VINI (Pin for

Key Features

  • (1) High-accuracy voltage detection for each cell.
  • Overcharge detection voltage n (n = 1 to 4).
  • Overcharge release voltage n (n = 1 to 4) 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 4) 2.0 V to 3.0 V (100 mV step) Accuracy ±80 mV.
  • Overdischarge release voltage n (n = 1 to 4) 2.0 V to 3.4 V.
  • 2 Accuracy ±100 mV (2) Three-level overcurrent protection.
  • Overcurre.

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Other Datasheets by Seiko Instruments

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S-8254 BATTERY PROTECTION IC
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S-8253B BATTERY PROTECTION IC
S-8253C BATTERY PROTECTION IC
S-8253D BATTERY PROTECTION IC

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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S-8254A Series www.sii-ic.com © Seiko Instruments Inc., 2002-2014 BATTERY PROTECTION IC FOR 3-SERIAL- OR 4-SERIAL-CELL PACK Rev.5.1_00 The S-8254A Series is a protection IC for 3-serial- or 4-serial-cell lithium-ion / lithium polymer rechargeable batteries and includes a high-accuracy voltage detector and delay circuit. The S-8254A Series protects both 3-serial or 4-serial cells using the SEL pin for switching.  Features (1) High-accuracy voltage detection for each cell • Overcharge detection voltage n (n = 1 to 4) • Overcharge release voltage n (n = 1 to 4) 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 4) 2.0 V to 3.0 V (100 mV step) Accuracy ±80 mV • Overdischarge release voltage n (n = 1 to 4) 2.