DESIGNING OF BATTERY CHARGER WITH TOTEM-POLE PFC AND PHASE-SHIFT FULL BRIDGE CONVERTER

Abstract

High reliability and efficiency are critical factors in the development of a battery charger. Therefore, battery charging systems must be designed to comply with grid standards and ensure safe operation. This research discusses the design of a charger that incorporates a Totem-Pole Power Factor Correction (PFC) and a Phase- Shift Full Bridge (PSFB) DC-DC converter. Implementing a power factor correction (PFC) converter will allow one to connect straight to the power grid for AC/DC power conversion and maximize the actual power going to the downstream DC/DC converters. The Phase-Shift full-bridge (PSFB) converter is a high-performance power supply with very fast transient response, given its high-power density and high converter efficiency. The devices are engineered to comply with Power Factor requirements and ensure isolation between the voltage source and the battery. The integration of PSFB provides these areas with galvanic isolation and efficient DC- DC conversion capabilities. A PSFB design built on the Modular Hardware-System- Common Redundant Power Supply (M-CRPS) base specification shows the ability of a PSFB converter. The integration of these topologies results in a charger design that is both compact and highly efficient. The device is capable of operating across a range of voltages while maintaining a stable output power suitable for battery charging. Simulation and experimental findings support and examine the power and efficiency aspects. This work assumes that battery chargers can be developed utilizing these systems. This research also addresses the challenges associated with charging technology by enhancing efficiency, reliability, and compliance with stringent regulations.