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UB209B Description

The UTC UB209B Series is a protection IC for lithium-ion/lithium polymer rechargeable batteries, including a high precision voltage detection circuit and a delay circuit. The UTC UB209B Series 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.

UB209B Key Features

  • Settable delay time by external capacitor for output pin
  • High-accuracy voltage detection circuit
  • Two types of cell-balance function: charge/discharge
  • Control charging, discharging, cell-balance by CTLC, CTLD pins
  • Low current consumption: 8.0µA max
  • Wide range of operation temperature (-40°C~+85°C)
  • ORDERING INFORMATION
  • SERIAL CODE LIST