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S-8209B - Battery Protection

Description

Figure 4 Pin for charge control Pin for dischage control Connection pin for input positive power supply, 3 VDD for battery’s positive voltage Connection pin to capacitor for overcharge 4 CDT detection delay, for overdischarge detection delay Input pin for negative power supply, 5 VSS Connection pi

Features

  • s (1) High-accuracy voltage detection circuit.
  • 1 3.55 V to 4.40 V (5 mV step).
  • Overcharge detection voltage.
  • 1.
  • Overcharge release voltage 3.50 V to 4.40 V.
  • 2.
  • Cell-balance detection voltage.
  • 1 3.55 V to 4.40 V (5 mV step).
  • 3.
  • 1.
  • Cell-balance release voltage 3.50 V to 4.40 V.
  • 4.
  • Overdischarge detection voltage 2.0 V to 3.0 V (10 mV step).
  • 5.
  • Overdischarge detection voltage 2.0 V to 3.4 V Settable delay time by exte.

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Full PDF Text Transcription

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Rev.2.2_00 www.DataSheet4U.com BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION S-8209B Series The S-8209B Series is a protection IC for lithium-ion / lithium polymer rechargeable batteries and includes a high-accuracy voltage detection circuit and a delay circuit. This IC has a transmission function and two types of cell-balance function so that users are also able to configure a protection circuit with series multi-cell. „ Features (1) High-accuracy voltage detection circuit *1 3.55 V to 4.40 V (5 mV step) • Overcharge detection voltage *1 • Overcharge release voltage 3.50 V to 4.40 V*2 • Cell-balance detection voltage*1 3.55 V to 4.40 V (5 mV step)*3 *1 • Cell-balance release voltage 3.50 V to 4.40 V*4 • Overdischarge detection voltage 2.0 V to 3.
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