What is the main control chip of the wireless charger?

The main control chip of the wireless charger adopts ST ST STM32F446MEY6, high-performance basic series ARM Cortex-M4 MCU with DSP and FPU, with 512 KB Flash, 180 MHz CPU, ART accelerator and dual QSPI. ST STM32F446MEY6 data information. There is a crystal oscillator next to it to provide the clock for the main control chip. ST STMicroelectronics STWPSPA1, customized wireless charging controller, CSP package, built-in power MOS tube driver, and streamlined peripheral components. Close-up of two MOS tubes, used for wireless charging coil drive.