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bq2018 - Power Minder

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.

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:.

📥 Download Datasheet

Datasheet Details

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

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Full PDF Text Transcription

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bq2018 Power Minder™ IC 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: <80µA - Sleep: <10µA ➤ REG output for low-cost microregulation 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.
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