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
  • TS51223
  • Wireless Power Receiver
  • TS61001
  • Full-bridge FET Driver
  • TS61002
  • Full-bridge FET Driver
  • TS80000
  • High Efficiency Transmitter Controller for Wireless Power Systems
Semtech TS51224

Semtech TS51224

Wireless Power Receiver and Battery Charger

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TS51224 is a fully-integrated wireless power receiver and battery charger for low-power, wearable applications that require a low-cost and space-saving solution. The TS51224 can operate by itself as a single-chip wireless power receiver in proprietary applications. It can also operate in conjunction with a wireless power controller or an application microcontroller to support the Qi, PMA or A4WP wireless charging standards as well as proprietary standards up to 2W combined system/battery power.


  • 40V maximum input voltage
  • Single-cell Li-Ion or Li-Polymer charger with programmable charging current and topoff voltage
  • System rail available with deeply discharged battery
  • Integrated switches for narrow VDC power path management
  • Supports Qi, AirFuel Inductive and Resonant (PMA, A4WP) and proprietary charging standards
  • Up to 2W combined system/battery power
  • Better than 87% AC-DC efficiency to the system
  • Better than 83% AC-DC efficiency to the battery
  • 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 1309C junction temperature and over-current protection
  • Low external component count
  • Junction operating temperature -409C to 1259C
  • Product is lead-free, halogen-free, RoHS / WEEE compliant


  • 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

Order Codes

  • TS51224-M000WCSR
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