Wireless Charging IC by Infineon Technologies (3 more products)

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WLC1150-68LQXQ Image

The WLC1150-68LQXQ from Infineon Technologies is a Wireless Charging Transmitter IC that has been designed to support WPC Qi v1.3x extended power profile (EPP) and basic power profile (BPP) specifications. It requires an input voltage of 4.5 - 24 V and delivers an output power of up to 50 W. This transmitter IC consists of an ARM Cortex-M0 CPU, 128 kB flash memory, 16 KB SRAM, 3 KB ROM, bus interface, integrated digital blocks, I/O sub-system, wireless controller with integrated power delivery (PD) unit (gate drivers, demodulators, decoders, amplifiers, LDO, ADC, slew rate control), USB PD legacy charging protocols – QC 2.0/3.0, AFC and Apple charging, and protection circuits. It offers a cost-effective solution for various applications by addressing critical system needs such as thermal management, electromagnetic interference (EMI) reduction, foreign object detection (FOD), high efficiency, and others. This charging IC can receive input power either from USB PD/PPS or fixed input from a DC power supply. It can support multiple input configurations and eliminates the need for utilizing DC-DC converters, allowing it achieve to a significantly high system gain as required by a high-power system.

This wireless charging IC integrates a buck controller for a fan that enables cooling of the surface of an interface when high power is delivered. It uses frequency, duty cycle, and variable voltage adjustments for inverter control along with I2C and UART ports for remote monitoring and control. This IC includes over-current protection (OCP), over-voltage protection (OVP), over-temperature protection (OTP), and an internal temperature sensor to prevent short-circuit or over-heating-related damages. It is available in a surface-mount package that measures 8 x 8 x 0.65 mm and is ideal for docking stations, vacuum cleaners, robotics, drones, smartphone charger with Qi EPP (up to 15 W), wireless charging pads with power proprietary protocol (50 W), and industrial wireless charging applications.

Product Specifications

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Product Details

  • Part Number
  • Manufacturer
    Infineon Technologies
  • Description
    WPC Qi v1.3x-Compliant Wireless Charging Transmitter IC


  • Types of Charger
  • Charging Standard
    WPC Qi
  • WPC Standard
    WPC 1.3
  • Output Power
    50 W
  • Input Voltage
    4.5 to 24 V
  • Output Voltage
    4.6 to 5.5 V
  • Temperature operating range
    -40 to 105 Degree C
  • Package Type
    Surface Mount
  • Package
  • Applications
    Wireless charging pads with power proprietary protocol (50W), Industrial wireless charging applications, Vacuum cleaner, robotics and drones, Furniture and home goods, Docking stations, Smart phone charger with Qi EPP (up to 15W)
  • Dimensions
    8.0 x 8.0 x 0.65 mm

Technical Documents