BP85224DA is a high-performance, highly integrated, and low standby power consumption switching power supply driver chip. It is suitable for Buck and Buck-Boost converter topology applications with full voltage 85~265VAC input. The BP85224DA integrates a 650V high-voltage MOSFET, high-voltage startup and self-power supply circuit, current sampling circuit, voltage feedback circuit, and freewheeling diode internally. By adopting advanced control technology, it can achieve excellent constant voltage output characteristics without an external VCC capacitor and loop compensation, greatly reducing the number of peripheral devices, saving system cost and volume, and simultaneously improving reliability.
The BP85224DA adopts multi-mode control technology, which can effectively reduce system standby power consumption, improve efficiency and dynamic performance, and reduce audio noise when the system operates under light load.
The BP85224DA provides rich protection functions, including output short-circuit protection, output overload protection, output overvoltage protection, feedback open-circuit protection, cycle-by-cycle current limiting, over-temperature protection, etc., making the system safer and more reliable. The BP85224DA is packaged in SOP-7.