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Home > Embedded ICs > Embedded - Microcontroller Unit (MCU) > BQ24780SRUYR
Texas Instruments

BQ24780SRUYR

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BQ24780SRUYR Overview

The bq24780S device uses two charge pumps to separately drive N-channel MOSFETs (ACFET, RBFET,and BATFET) for automatic system power source selection.

Through SMBus, system power management microcontroller programs input current, chargecurrent, discharge current, and charge voltage DACs with high regulation accuracies.

The bq24780S device monitors adapter current (IADP), battery discharge current (IDCHG), andsystem power (PMON) for host to throttle back CPU speed or reduce system power when needed.

The bq24780S device charges 1-, 2-, 3-, or 4-series Li+ cells.

Features

  • Industrial Innovative Charge Controller With Hybrid Power BoostMode
    • Adapter and Battery Provides Power to System Together forIntel? CPU Turbo Mode
    • Ultra-Fast Transient Response of 150 μs toEnter Boost Mode
    • Hybrid Power Boost Mode from 4.5- to 24-VSystem
    • Charge 1- to 4-Cell Battery Pack from 4.5- to 24-V Adapter
  • High Accuracy Power and Current Monitoring for CPUThrottling
    • Comprehensive

      Thebq24780S device uses two charge pumps to separately drive N-channel MOSFETs (ACFET, RBFET,and BATFET) for automatic system power source selection.

      Through SMBus, system power management microcontroller programs input current, chargecurrent, discharge current, and charge voltage DACs with high regulation accuracies.

      Thebq24780S device monitors adapter current (IADP), battery discharge current (IDCHG), andsystem power (PMON) for host to throttle back CPU speed or reduce system power when needed.

      Thebq24780S device charges 1-, 2-, 3-, or 4-series Li+ cells.

Specifications

Circuit Diagram

BQ24780SRUYR

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