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NX2A4WP - A4WP compliant high frequency wireless charging receiver front end

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.

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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Datasheet preview – NX2A4WP

Datasheet Details

Part number NX2A4WP
Manufacturer NXP
File Size 440.44 KB
Description A4WP compliant high frequency wireless charging receiver front end
Datasheet download datasheet NX2A4WP Datasheet
Additional preview pages of the NX2A4WP datasheet.

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Full PDF Text Transcription

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NX2A4WP A4WP compliant high frequency wireless charging receiver front end Rev. 3 — 4 August 2015 Product short data sheet 1. 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. The DC-to-DC regulator delivers a nominal voltage of 5 V. The host microcontroller configures the on-chip controller for automatic interrupt-driven system control.
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