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NX1A4WP - A4WP compliant high frequency wireless charging receiver front end

Description

The NX1A4WP is an A4WP (Alliance for Wireless Power) compliant wireless power receiver front end.

It contains a high-voltage, highly efficient rectifier, integrated LDOs, a D2C-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.

📥 Download Datasheet

Datasheet Details

Part number NX1A4WP
Manufacturer NXP Semiconductors
File Size 439.94 KB
Description A4WP compliant high frequency wireless charging receiver front end
Datasheet download datasheet NX1A4WP Datasheet

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Full PDF Text Transcription

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NX1A4WP A4WP compliant high frequency wireless charging receiver front end Rev. 2 — 4 August 2015 Product short data sheet 1. General description The NX1A4WP is an A4WP (Alliance for Wireless Power) compliant wireless power receiver front end. It contains a high-voltage, highly efficient rectifier, integrated LDOs, a D2C-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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