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Reference Solutions

Main Title - middle power solutions

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More power to wireless charging!

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Extended Power Profile or EPP offers the minimum set of features for power transmitters and power receivers that can transfer between 5W to 15W of power.  The demand for middle power charging arises from newer technological devices that consume more power. These include IoT devices, fast-charge smartphones, medical devices and tablets. They can also prove useful in bigger environments like condominiums and automated manufacturing facilities.

With the incorporation of wireless charging in iPhones, this technology is set to become even more widespread. Avnet offers a number of solutions for middle power charging solutions that meet WPC standards and the need for more power in wireless charging.

Solutions with various key components:

Mixed Media - nxp mp solution1-1

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NXP – Middle Power Solution

Features

  • Compliant with the Qi MP v1.2.4 specification.
  • Integrated digital demodulation in chip.
  • Supports two-way communication.
  • Supports Qi MP receiver with 15W output power capability.
  • Supports Qi LP receiver with 5W output power capability.
  • LED for system status indication.
  • Input voltage, input current, and coil current sensing.
  • FreeMASTER GUI tool to enable customization and calibration.
  • Supports input QC function.

Mixed Media - nxp mp solution1-2

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Key Components

  • Transmitter controller: MWCT1011CFM (NXP)
  • EMI: GDLW0520P (Gotrend)
  • BUCK Converter: AP65200S-13 (DIODES)
  • LDO: LP2985-50DBVR (TI)
  • Current shunt monitor: INA199A2 (TI)
  • Power Stage: BQ500101DPCR*2 (TI)
  • Coil: MP-A4 coil (Gotrend)


Target Applications

  • Standard middle power transmitter.
  • Charging pad, accessories, cradle, and tablets.

Mixed Media - nxp mp solution2-1

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NXP – Middle Power Solution

Features

  • Compliant with the Qi MP v1.2.4 specification.
  • Integrated digital demodulation in chip.
  • Supports two-way communication.
  • Support Apple 7.5W and Samsung 10W Fast charging
  • Supports Qi LP receiver with 5W output power capability.
  • LED for system status indication.
  • Input voltage, input current, and coil current sensing.
  • FreeMASTER GUI tool to enable customization and calibration.

Mixed Media - nxp mp solution2-2

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Key Components

  • Transmitter Controller: MWCT1013VLH (NXP)
  • LDO: NCP1117ST33T3G (ON-Semi.)
  • Current Shunt Monitor: INA214BIDCKT (TI)
  • Synchronous Driver: HIP2103*3 (INTERSIL)
  • Crystal: ABM3B-198-8.000MHz-T (ABRACON)
  • Coil: MP-A11 coil


Target Applications

  • Standard middle power transmitter.
  • Support Apple 7.5W and Samsung 10W fast charging