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Products Wireless Charger Wireless Charging Transmitter NU1009A
Wireless Charging Transmitter
NU1009A
NU1009A is a family of highly integrated up to 20W full-bridge power stage IC optimized for wireless power transmitter solutions. The device integrates all critical functions, such as high-efficiency power FETs, low-EMI FET driver, bootstrap circuit, 5V integrated DC/DC power supply, 3.3V (2.5V configurable) LDO and lossless current measurement. The proprietary current measurement circuit provides accurate current reading used by FOD (Foreign Object Detection) power measurement, in band communication, Q factor detection, and digital demodulation.
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Key Spec
Features

• Wide Input Voltage: 4V to 12V (NU1009A), 4V to 17V (NU1015)

• Maximum Output Power: 10W (NU1009A), 20W (NU1015)

• Integrated High-Efficiency Full- Bridge FETs

• Integrated FET Driver Optimized for Low EMI

• Integrated 5V DC/DC to IC power supply

• Integrated 3.3V (2.5V configurable) LDO to Bias External Circuit and Provide Reference Voltage

• High-Accuracy, Lossless Current Measurement for FOD and In-Band Communication

• Integrated Lossless Q Factor Detection

• Integrated Low-Error-Rate Digital Demodulation

• Input UVLO and OVP

• Over-Current Protection

• Thermal Shutdown

• I 2C Interface

• 4mm * 4mm QFN Package

Applications

• Wireless Power Transmitter Compliant with WPC V1.2.4 Extended Power Profile (EPP)

Datasheet Download
NU1009A

2025 / 08 / 22

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