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NX2A4WP Datasheet A4WP compliant high frequency wireless charging receiver front end

Manufacturer: NXP Semiconductors

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General Description

The NX2A4WP is an A4WP (Alliance for Wireless Power) compliant wireless power receiver front end.

It contains a high-voltage, highly efficient rectifier, integrated LDOs, a D3C-to-DC converter, a multi-channel 12-bit ADC, four GPIOs and a Fast-Mode I2C-bus interface.

The integrated rectifier supports voltages of up to 20 V and is protected by an integrated automatic clamping function and an automatic over-power protection function.

Overview

NX2A4WP A4WP compliant high frequency wireless charging receiver front end Rev.

3 — 4 August 2015 Product short data sheet 1.

Key Features

  • 25 V tolerant antenna input pins.
  • Automatic over-voltage protection of the antenna inputs.
  • 6.78 MHz compatible integrated rectifier.
  • High efficiency with an active rectifier and a DC-to-DC converter.
  • Integrated LDOs (1.8 V and 3.3 V up to 100 mA) with auto enable and discharge path.
  • Integrated DC-to-DC buck regulator with 5 V, 1.2 A output.
  • Multi-channel 12-bit ADC subsystem.
  • Temperature sensor (NTC) analog interface.
  • USB bus power supply detection.

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