FEATURES:
- VIN Input Voltage Range: 4.2V-20V
- PVIN Input Voltage Range: 1V~17V
- Up to 20W Power Transfer
- Integrated Full-Bridge Power Stage with 14.5-mΩ Rdson of Power MOSFETs
- Integrated High Efficiency 5V-1A Step-down DC/DC Converter
- Optimized for EMI Reduction
- Build-in 3.3V-200mA LDO
- Provide 2.5V Voltage Reference
- Integrated Lossless Input Current Sensor with
- ±2% accuracy for FOD and current Demodulation
- 3.3V and 5V PWM Signal Logic Compatible
- Input Under-Voltage Lockout
- Over Current Protection
- Over Temperature Protection
- 3mm*4mm QFN-19L Package
DESCRIPTION:
The SCT63240A is a highly integrated Power Management IC allows achieving high performance, high efficiency and cost effectiveness of wireless power transmitter system compliant with WPC specification to support up to 20W power transfer, working with a wireless application specific controller or a general MCU based transmitter controller.
This device integrates a 4-MOSFETs full bridge power stage,gate drivers, a 5V step-down DC/DC converter, a 3.3V LDO, a 2.5V accurate voltage reference and input current sensor for both system
efficiency and easy-to-use.
The proprietary gate driving scheme optimizes the performance of EMI reduction to save the system cost and design. The proprietary lossless current sensing circuitry with ±2% accuracy monitors input
current of full bridge to support Foreign Object Detection FOD and current demodulation. The build in 5V step-down DC/DC converter and 3.3V low dropout regulator LDO can provide power supplies
to transmitter controller and external circuitries.
The SCT63240A features input Under-Voltage Lock out UVLO, over current, short circuit protection, and over temperature protection.
The SCT63240A is available in a compact 3mm*4mm
QFN package.
APPLICATIONS:
- WPC Compliant Wireless Chargers of 5W to
- 15W Systems for Mobiles, Tablets and Wearable Devices
- General Wireless Power Transmitters for
- Consumer, Industrial and Medical Equipment
- Proprietary Wireless Chargers and Transmitters