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NX2A4WP Key Features

  • 25 V tolerant antenna input pins
  • Automatic over-voltage protection of the antenna inputs
  • 6.78 MHz patible 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
  • 400 kHz I2C-bus slave interface

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NX2A4WP Description

The NX2A4WP is an A4WP (Alliance for Wireless Power) pliant 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...

NX2A4WP Applications

  • 2 digital General Purpose Input and Output ports (GPIOs) with open-drain outputs and
  • Protection circuitry
  • Specified from 40 C to +85 C ambient temperature