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BQ25792/TI
    发布时间: 2020-12-08 13:31    

BQ25792/TI

BQ25792/TI
  • High power density, high integration buck-boost charger for 1-4 cell batteries supporting any USB PD 3.0 profile
    • Integrates four switching MOSFETs, BATFET
    • Integrates input and charging current sensing
  • Highly efficient
    • 750-kHz and 1.5-MHz switching frequencies
    • 5 A charging current with 10-mA resolution
      • 96.5% efficient: 16V battery at 3A from 20V
  • Supports a wide range of input sources
    • 3.6-V to 24-V wide input operating voltage range with 30-V absolute maximum rating
    • Maximum power tracking with VINDPM up to 22 V and IINDPM up to 3.3 A
    • Detects USB BC1.2, SDP, CDP, DCP, HVDCP and non-standard adapters
  • Dual-input power mux controller for source selection
  • Narrow-VDC (NVDC) power path management
  • Powers USB port from battery (USB OTG)
    • 2.8-V to 22-V OTG output voltage with 10-mV resolution to support USB-PD Programmable Power Supply
    • OTG output current regulation up to 3.32 A with 40-mA resolution
  • Flexible autonomous and I2C mode for optimal system performance
  • Integrated 16-bit ADC for voltage, current and temperature monitoring
  • Low battery quiescent current
    • Typical 21-µA for battery only operation
    • Typical 600 nA in charger shutdown mode
  • High accuracy
    • +0.65% to -0.85% charge voltage regulation for 2s-4s batteries
    • ±5% charge current regulation
    • ±5% input current regulation
  • Safety
    • Thermal regulation and thermal shutdown
    • Input/battery OVP and OCP
    • Converter MOSFETs OCP
    • Charging safety timer
  • Package
    • 29-Pin 4mm × 4mm QFN