Wireless charging

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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 - idt mp solution1-1

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IDT – Middle Power Solution

Features

  • Power transfer up to 15W.
  • Wide input voltage range: 4.25~21 Vdc.
  • Integrated step-down switching regulator.
  • Integrated drivers for external power FETs.
  • Integrated current sense amplifier.
  • Low standby power.
  • Dedicated remote temperature sensing.
  • Programmable current limit.
  • Pre-defined user-programmable LED pattern.
  • Active-LOW enable pin for electrical on/off.
  • Supports I2C interface.
  • Chip: 6mm*6 mm, 48-VFQFN package

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Key Components

  • Transmitter Controller: P9242-R (IDT)
  • Power Stage: SiA400EDJ*4 (VISHAY)
    SiA453EDJ*1 (VISHAY)
  • Coil: MP-A2 coil


Target Applications

  • Charging pad
  • Accessories
  • Cradle
  • Tablets

Mixed Media - idt mp solution2-1

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IDT – Middle Power Solution

Features

  • Single-chip solution supporting up to 15W. applications.
  • 87% peak DC-to-DC efficiency.
  • Full synchronous rectifier with low Rds(ON) switches.
  • Programmable output voltage: 5V, 9V and 12V.
  • Embedded 32-bit ARM® processor.
  • Power transfer LED indicator.
  • Programmable current limit.
  • Active-low enable pin for electrical on/off.
  • Open-drain interrupt flag.
  • Supports I2C interface.
  • Chip: 2.64mm*3.94 mm, 52-WLCSP package.

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Key Components

  • Transmitter: P9221-R (IDT)
  • BUCK Converter: SY8113B (SILERGY)


Target Applications

  • Fast charge cellphone.
  • Tablets.
  • Accessories.
  • Medical  devices.