SLUSEC6 September   2020 BQ25980

PRODUCTION DATA  

  1. 1Features
  2. 2Applications
  3. 3Description
  4. 4Description (continued)
  5. 5Device and Documentation Support
    1. 5.1 Device Support
      1. 5.1.1 Third-Party Products Disclaimer
    2. 5.2 Receiving Notification of Documentation Updates
    3. 5.3 Support Resources
    4. 5.4 Trademarks
    5. 5.5 Electrostatic Discharge Caution
    6. 5.6 Glossary
  6. 6Mechanical, Packaging, and Orderable Information

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订购信息

Features

  • 98.6% peak efficiency switched cap parallel charger supporting 2-cell battery and 8-A fast charge
  • Patent pending dual phase switched cap architecture optimized for highest efficiency
    • Input voltage is 2x battery voltage (7.0V to 9.54V)
    • Output current is 2x of input current (up to 4.75A)
    • Reduces power loss across input cable
  • Integrated 7-A bypass mode fast charge
    • 13mΩ charging path resistance for high current operation
  • Dual-input power mux controller for source selection
  • Support wide range of input voltage

    • Up to 22-V operational input voltage

    • Maximum 40-V input voltage with optional external ACFET and 28-V without external ACFET

  • Parallel charging with synchronized dual BQ25980 operations for up-to 12-A charging current

  • Integrated programmable protection features for safe operation
    • Input over-voltage protection (BUSOVP) and battery over-voltage protection (BATOVP)
    • Input over-current protection (BUSOCP) and battery over-current protection (BATOCP)
    • Output over-voltage protection (VOUTOVP)
    • Input under-current protection (BUSUCP) and input reverse-current protection (BUSRCP) to detect adapter unplug and prevent boost-back
    • Input short-circuit protection (BUSSCP)
    • Battery and connector temperature monitoring (TSBAT_FLT and TSBUS_FLT)
    • Junction over-temperature protection (TDIE_FLT)
    • Optional input over-voltage protection with external ACFET up to 40V
  • Programmable settings for system optimization
    • Interrupts and interrupt masks
    • ADC readings and configuration
  • Integrated 16-bit ADC for voltage, current and temperature monitoring