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bq2018 - Power Minder

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Datasheet Details

Part number bq2018
Manufacturer Benchmarq
File Size 1.30 MB
Description Power Minder
Datasheet download datasheet bq2018 Datasheet

General Description

The bq2018 is a low-cost charge/discharge counter peripheral packaged in an 8-pin TSSOP or SOIC.

It works with an intelligent host controller, providing state-of-charge information for rechargeable batteries.

The bq2018 measures the voltage drop across a low-value series sense resistor between the negative terminal of the battery and the battery pack ground contact.

Overview

bq2018 Power Minder™ IC.

Key Features

  • Multifunction charge/discharge counter.
  • Resolves signals less than 12.5µV.
  • Internal offset calibration improves accuracy.
  • 1024 bits of NVRAM configured as 128 x 8.
  • Internal temperature sensor for self-discharge estimation.
  • Single-wire serial interface.
  • Dual operating modes: - Operating:.

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