MIC2215-PPPBML-EV

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The MIC2215-PPPBML-EV from Microchip is a high-performance, low voltage, synchronous, buck DC to DC converter evaluation board (EV). This EV board is designed to offer high-efficiency, ripple and noise suppression, and protection features in a variety of voltage regulation applications. The board is suitable for 2.5V to and 6V input and output voltages, with an output power of up to 10.5W.

The board is based on a Microchip MCHV2 integrated power management 10A buck converter. This is a high performance device that achieves a maximum efficiency of up to 95.1%, while maintaining a low output voltage ripple and noise. The buck converter also has an adjustable on/off threshold allowing it to achieve a minimum voltage drop of just 0.15V. Additionally, the board also provides protection features, including an over temperature shutdown and an over current protection switch.

The MIC2215-PPPBML-EV can be used in a variety of linear voltage regulator applications. In a maximum power point tracking (MPPT) system, it can be used to control the output voltages and currents for solar panels and other renewable energy systems. For battery management systems, it can be used to supply and monitor charging and discharging voltage patters. It can also be used to regulate the output voltage of power converters and transformers.

The working principle of the MIC2215-PPPBML-EV is based on the buck topology. The board features an internal synchronous buck converter capable of switching at frequencies up to 1.5MHz. The input voltage is transformed by a high-frequency MOSFET switch. This switch provides a path for current to flow into the primary side of the transformer, which produces a voltage in the secondary side of the transformer. This voltage is then filtered and converted into the required output voltage by an internal low-dropout (LDO) linear regulator.

The board also features an onboard step-down regulator based on the same transistor structure as the buck switching converter, but operating at a lower frequency. This regulator limits the maximum output current and voltage, preventing damage to the system and providing protection against overloads and short-circuits. Additionally, the board also offers adjustable parameters such as pulse-skipping frequency, output voltage, and ripple and noise.

This evaluation board presents a simple and reliable solution for voltage regulation purposes in linear applications. With its high-performance capabilities and protection features, the MIC2215-PPPBML-EV is suitable for use in a variety of regulated voltage applications, from power converters and transformers to battery management and MPPT systems.

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