Smart Charging Solutions

By NXP Semiconductors 111

Smart Charging Solutions

NXP provides total USB Type-C AC/DC solutions with high power density, security, and safety. NXP's leading technologies improve time to market, solve application challenges, and comply with key global power regulations. NXP's smart charging solution consists of a primary side flyback QR (quasi-resonant) controller, a secondary side SR (synchronous rectifier) controller, and a protocol controller.

Features
  • High power density
    • 25 W in 18 W case
    • 9 W/cubic inch
    • Optimization with planar transformer
  • High efficiency
    • 92% efficiency at 25 W
    • 90% efficiency for:
      • Power load 25% to 100%
      • Voltage: 5 V, 9 V, and 10 V
  • Thermal performance
    • <50°C TA case temperature for multiple TA operating orientations
  • Direct charging
    • Optimized CV and CC output for 2:1 or 1:1 battery charging
    • High accuracy CV and CC modes
    • Supports USB PD2.0, 3.0, and PPS
Applications
  • QR flyback IC
    • Battery chargers for smartphones and media tablets
    • Battery charges for mobile devices with touchpad display
  • Protocol IC
    • USB chargers for smart phones and tablets supporting the Qualcomm® QuickCharge™ QC2.0, QC3.0, and QC4+ protocols
    • USB-PD 3.0, Type C 1.3 chargers with optional VDM support for smartphones and tablets
  • SR IC can be used in all power supplies needing high efficiency, for example:
    • Chargers
    • Adapters
    • Flyback power supplies with very low and/or variable output voltage

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