NX1A4WP Overview
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.
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
- 400 kHz I2C-bus slave interface
