Index Products Automotive Auto Wireless Charger NCWQ8203/8203A

NCWQ8203/8203A

Application

Automotive wireless power transmitter compliant with WPC Qi2.0 Extended Power Profile (EPP) and Magnetic Power Profile (MPP)

Car in-cabin Wireless Charging

Wireless Charging in Train

NCWQ8203/8203A is a highly integrated wireless power transmitter power stage with peripheral analog circuits that are required to implement a WPC compliant 15W transmitter. NCWQ8203/8203A integrates a full bridge power amplifier with four MOSFETs, the high accuracy current sense and differential voltage sense amplifiers, the multi-channel ASK demodulator, high precision Q detection block, and protection circuits. NCWQ8203/8203A shall be used together with a controller IC in application, the smart power stage can be configured and controlled by serial communication interface.

Key Spec. & Features
Key Spec.
Part Number NCWQ8203/8203A
VIN max (V) 5.5
VPA max (V) 22
Power Inverter 4x internal FETs
I/O N/A
Interface 1 x DATA
Q-factor Internal
Core N/A
Memory N/A
Package side wettable QFN-23
Features

WPC 2.0 compliant wireless power transmitter, EPP & MPP supported

4.5V to 5.5V operational supply voltage

2.5V to 22V bridge voltage

Low RDSON HS/LS: 20mΩ Max

Integrated FET driver and bootstrap circuit

50kHz to 500kHz direct PWM driver input for twohalf bridge control with tri-state

Integrated current sense amplifier

Integrated differential voltage sense amplifier

Integrated Q factor detection

Support voltage, current and phase modedemodulation

Support dead time adjustment

Support one-wire UART interface

Over voltage/current/ temperature protection

Package with wettable flanks

AEC-Q100 grade 1 qualified

RoHS Compliant, Halogen-Free and Lead-Free