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BQ25723RSNR +BOM

I²C 1-4 cell NVDC buck-boost battery charge controller with power path and USB-C® PD OTG

BQ25723RSNR General Description

The BQ25723RSNR by Texas Instruments epitomizes cutting-edge integration in a synchronous switch-mode battery charge controller. Its adaptable input voltage range spanning from 3.6V to 24V renders it exceptionally versatile across diverse applications, ranging from USB Type-C to USB Power Delivery (PD) and even proprietary adapters. With a remarkable maximum charge current capability of 8A, it ensures swift and efficient charging cycles. Moreover, its vigilant monitoring of battery voltage, current, and temperature ensures a secure and optimized charging experience

Key Features

  • Pin-to-pin compatible to BQ25713
  • Buck-boost narrow voltage DC (NVDC) charger for USB-C Power Delivery (PD) interface platform
    • 3.5-V to 26-V input range to charge 1- to 4-cell battery
    • Charge current up to 16.2 A/8.1 A with 128-mA/64-mA resolution based on 5-mΩ/10-mΩ sensing resistor
    • Input current limit up to 10 A/6.35 A with 100-mA/50-mA resolution based on 5-mΩ/10-mΩ sensing resistor
    • Support USB 2.0, USB 3.0, USB 3.1 and USB Power Delivery (PD)
    • Input Current Optimizer (ICO) to extract max input power without overloading the adapter
    • Integrated Fast Role Swap (FRS) feature following USB-PD specification
    • Seamless transition between buck, buck-boost, and boost operations
    • Input current and voltage regulation (IINDPM and VINDPM) against source overload
  • TI patented switching frequency dithering pattern for EMI noise reduction
  • TI patented Pass Through Mode (PTM) for system power efficiency improvement and battery fast charging achieving 99% efficiency.
  • IMVP8/IMVP9 compliant system features for Intel platform
    • Enhanced Vmin Active Protection (VAP) mode supplements battery from input capacitors during system peak power spike following latest Intel specification
    • Comprehensive PROCHOT profile
    • Two level discharge current limit PROCHOT profile to avoid battery wire-out
    • System power monitor
  • Input and battery current monitor through dedicated pins
  • Integrated 8-bit ADC to monitor voltage, current and power
  • Battery MOSFET ideal diode operation in supplement mode to support system when adapter is fully loaded
  • Power up USB port from battery (USB OTG)
    • 3-V to 24-V OTG with 8-mV resolution
    • Output current limit up to 12.7 A/6.35 A with 100-mA/50-mA resolution based on 5-mΩ/10-mΩ sensing resistor
  • 800-kHz/1.2-MHz programmable switching frequency with 2.2-µH/1.0-µH inductor
  • I2C host control interface for flexible system configuration
  • High accuracy for the regulation and monitor
    • ±0.5% Charge voltage regulation
    • ±3% Charge current regulation
    • ±2.5% Input current regulation
    • ±2% Input/charge current monitor
  • Safety
    • Thermal shutdown
    • Input, system, battery overvoltage protection
    • Input, MOSFET, inductor overcurrent protection
  • Package: 32-Pin 4.0 mm × 4.0 mm WQFN

Application

  • Dynamic power delivery
  • Efficient charging
  • Voltage regulation feature

Specifications

Source Content uid BQ25723RSNR Pbfree Code Yes
Part Life Cycle Code Active Reach Compliance Code compliant
Adjustable Threshold YES Analog IC - Other Type POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 Code S-PQCC-N32 Moisture Sensitivity Level 1
Number of Channels 1 Number of Functions 1
Number of Terminals 32 Peak Reflow Temperature (Cel) 260
Surface Mount YES Switcher Configuration BUCK-BOOST
Temperature Grade AUTOMOTIVE Terminal Finish NICKEL PALLADIUM GOLD
Terminal Form NO LEAD Terminal Position QUAD
Time@Peak Reflow Temperature-Max (s) 30

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