075582814553
BQ27541DRZR-V200

FREE-SKY (HK) ELECTRONICS CO.,LIMITED / 09-26 09:09

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BQ27541DRZR-V200 Product Details

The Texas Instruments bq27541 Li-Ion battery fuel gauge is a microcontroller peripheral that provides fuel gauging for single-cell Li-Ion battery packs. The device requires little system microcontroller firmware development for accurate battery fuel gauging. The bq27541 resides within the battery pack or on the system’s main-board with an embedded battery (nonremovable).

The bq27541 uses the patented Impedance Track algorithm for fuel gauging, and provides information such as remaining battery capacity (mAh), state-of-charge (%), run-time to empty (min.), battery voltage (mV), and temperature (°C).

The bq27541 also features integrated support for secure battery pack authentication, using the SHA-1/HMAC authentication algorithm.

Feature

  • Battery Fuel Gauge for 1-Series Li-Ion Applications

  • Microcontroller Peripheral Provides:

    • Accurate Battery Fuel Gauging

    • Internal Temperature Sensor for System Temperature Reporting

    • SHA-1/HMAC Authentication

    • 96 Bytes of Non-Volatile Scratch Pad FLASH

  • Battery Fuel Gauging Based on Patented Impedance Track Technology

    • Models Battery Discharge Curve for Accurate Time-To-Empty Predictions

    • Automatically Adjusts for Battery Aging, Battery Self-Discharge, and 
      Temperature/Rate Inefficiencies

    • Low-Value Sense Resistor (5 m to 20 m)

  • HDQ and I2C Interface Formats for Communication with Host System

  • Small 12-pin 2,5 mm × 4 mm SON Package

  • APPLICATIONS

    • Smartphones

    • PDAs

    • Digital Still and Video Cameras

    • Handheld Terminals

    • MP3 or Multimedia Players

Technical Parameters

PackagingReelFactory Pack Quantity3000
SeriesBQ27541-V200


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