Wireless Charging ICs - Transmitters & Receivers
  • TS30041Q
  • High Efficiency 1A/2A Current-Mode Synchronous Buck Converter, 2.2MHz
  • TS30042Q
  • High Efficiency 1A/2A Current-Mode Synchronous Buck Converter, 2.2MHz
  • TS51111
  • High Efficiency Synchronous Rectifier and Charging IC for Wireless Power Applications
  • TS51221
  • High Efficiency Regulator IC for Wireless Power Receiver Applications
  • TS51224
  • Wireless Power Receiver and Battery Charger
  • TS61001
  • Full-bridge FET Driver
  • TS61002
  • Full-bridge FET Driver
  • TS80000
  • High Efficiency Transmitter Controller for Wireless Power Systems
Semtech TS51223

Semtech TS51223

Wireless Power Receiver

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TS51223 is a fully-integrated wireless power receiver for low-power, wearable applications that require a low-cost and space-saving solution. The TS51223 can operate by itself as a single-chip wireless power receiver in proprietary applications.


  • 40V maximum input voltage
  • 24V maximum output voltage
  • Supports Qi, A4WP and proprietary charging standards
  • High voltage input
  • Up to 2W for 5V output
  • Up to 5W for higher output voltages
  • Better than 90% AC-DC efficiency at 400mA output current
  • Integrated switches for load modulation
  • Integrated frequency detection to support bidirectional communication
  • TX to RX CPU alert or reset signal
  • Integrated minimum load current sink
  • Thermal shutdown at 130°C junction temperature and over-current protection
  • Low external component count
  • Junction operating temperature -40°C to 125°C


  • Wearables
    • Watches
    • Bracelets
    • Fitness Bands
    • Smart Jewelry
    • Smart Glasses
  • Health Monitors
  • Electric Toothbrushes
  • Tablets
  • Wireless Keyboard and Mouse
  • Medical Applications
  • Wireless Headsets
  • ID Tags
  • Augmented Reality


  • 20 Ball WCSP Package (4x5 ball array, 0.4mm ball pitch), Tape & Reel (3000 parts/reel)

Order Codes

  • TS51223-M000WCSR: Product is lead-free, Halogen Free, RoHS / WEEE compliant
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