MCP1253-33X50I/MS

The MCP1253-33X50I/MS is a highly efficient switched capacitor power supply (SCPS) integrated circuit from Microchip. It is designed to provide low-voltage power conversions of up to 500 mA with a high degree of precision. With its integrated protection features and wide range of operating voltages, the MCP1253-33X50I/MS is perfect for applications such as battery management, portable designs, and power distribution.

Application Field

The MCP1253-33X50I/MS is ideal for portable product applications that require low-voltage power conversions with high precision. It is especially suited for mobile applications that require a high degree of efficiency. Applications such as electronic medical products, smart metering, portable WiFi router, and POS systems can benefit from this device. It is also suitable for battery management systems, as it can provide regulated voltages for charging and discharging stages.

Working Principle

The MCP1253-33X50I/MS operates using a switched capacitor power supply (SCPS) topology. A capacitor is connected between two switching elements and is used to provide the necessary power conversion. During one cycle, the upper switch is closed and the lower switch is opened, and the capacitor charges into the input voltage. Once the capacitor is charged, the upper switch is opened and the bottom switch is closed, allowing the stored energy to be used to power the output load. This switching topology enables the MCP1253-33X50I/MS to achieve high efficiencies with low output ripple.

The MCP1253-33X50I/MS provides several benefits over linear regulators, including a more compact size, low output ripple and noise, and low quiescent current levels. Additionally, it provides several integrated protection features. These include input/output over-voltage protection, over-temperature shutdown, and short-circuit protection. Using these features, the MCP1253-33X50I/MS helps protect against overloads and other overload-induced system failures.

The MCP1253-33X50I/MS is a highly efficient DC-DC switching regulator that meets the needs of a wide variety of applications. With its high efficiency, low noise, and integrated protections, it is perfect for powering low-voltage solutions in portable products, battery management, and power distribution.