The MP2225 is a high-efficiency, synchronous, rectified, step-down converter with built-in power MOSFETs manufactured by MPS (Monolithic Power Systems). It achieves up to 2A continuous output current from a 2.5V to 6V input voltage range with excellent load and line regulation. The device is ideal for powering portable equipment that runs from a single-cell Lithium-Ion (Li+) battery.

Applications:

• Portable Electronics: Powering smartphones, tablets, and other handheld devices.
• Battery-Powered Devices: Suitable for devices powered by Li-Ion batteries or other portable power sources.
• Point-of-Load Regulation: Provides efficient and accurate voltage regulation in various electronic systems.
• Solid State Drives (SSDs): Power management for SSDs.
• Wireless Modules: Power supply for various wireless communication modules.

Features:

• Input Voltage Range: 2.5V to 6V.
• Output Current: Up to 2A continuous output current.
• High Efficiency: Up to 93% efficiency.
• Switching Frequency: 1.5MHz switching frequency.
• Internal Power MOSFETs: Integrated high-side and low-side MOSFETs.
• Current Mode Control: Provides fast transient response and stable operation.
• Short-Circuit Protection: Built-in short-circuit protection.
• Over-Temperature Protection: Thermal shutdown feature to protect the device.
• Small Package: Available in a compact QFN package.

Benefits:

• High Efficiency: Maximizes battery life in portable applications.
• Small Size: Compact package allows for integration into space-constrained designs.
• Reliable Performance: Robust protection features ensure reliable operation.
• Simplified Design: Integrated MOSFETs and current mode control simplify the design process.
• Wide Input Voltage Range: Accommodates a variety of input voltage sources.

Additional Details:

The MP2225 employs a constant-frequency, current-mode control scheme for fast transient response and stable operation. It features a low quiescent current to further extend battery life. The device also includes soft-start circuitry to limit inrush current during start-up. The high switching frequency allows for the use of small external components, further reducing the overall solution size. The thermal shutdown protection ensures that the device will shut down if the junction temperature exceeds its limit. This part is commonly used in applications requiring efficient power conversion in a small form factor.