MIC2588-2BM

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Power Management Integrated Circuit (PMIC) is a type of integrated circuit dedicated to the power management within system electronics, from low power sub-systems to high power circuits. Hot Swap Controllers falls within this category and adds the capability for power to be safely inserted and disconnected from a system in the midst of operating conditions, in order to ensure system reliability and safety. The MIC2588-2BM, by Microchip Technology, is a buck-boost hot-swap controller, designed to provide high power handling capability while at the same time offering flexibility, safety and variety of current levels.

The MIC2588-2BM is intended for applications that requires wide input range, high power level and high power efficiency over the full current range. The input voltage range of the MIC2588-2BM is between 1.8 V to 12 V and is capable of providing an output of 8 V with a 1.6A of load current and support load steps of 0.2A. The device is also compliant with USB Type-C™ and USB Power Delivery specifications, making it ideal for portable applications in mobile phones, tablets and laptops.

The major distinguishing feature of MIC2588-2BM, compared to other PMICs, is its buck-boost (regenerative) capability. This allows for operation over wide input/output scenarios, such as when the storage battery, solar array, and other power sources are used at varying levels. s Despite its wide range of capabilities, the MIC2588-2BM is also designed to help optimize power efficiency and reduce power losses due to quiescent current. This further reduces power dissipation, allowing for maximum output current or battery life.

The MIC2588-2BM also features a full array of various process protections that help to ensure system safety in the event of fault conditions. An over-current protection (OCP) provides protection against high fault currents that could exceed an acceptable voltage, while under-voltage locks-out output voltage in the event of an impending power drop below a certain threshold. Over-temperature protection (OTP) also safeguards against system damaging temperature levels and other failures. Additionally, the abilities of MIC2588-2BM to automatically switch between wide unregulated sources and to slew up or down output voltage without a hiccup makes the device and ideal candidate for portable applications.

The MIC2588-2BM offers True Hot Swap capability, allowing for dynamic changing of load current during normal load operation. This eliminates surges during insertion and current runs away. It is further designed to allow for continuous without overshoots, while allowing for a trade-off between three different inrush current slopes. In addition to the dynamic load current regulation, the MIC2588-2BM also features dynamic output discharge characteristics, which helps to reduce power loss during shutdown or disconnection of power.

In summary, the MIC2588-2BM is a power management integrated controller Buck-Boost Hot Swap that ensures safety in addition to system performance. It is ideally suited for use with portable systems for convenience and flexibility. The features of the device allow for wide range of operating conditions and provide a regenearative boost capability for use in scenarios with varying input volatages. The failure protection features included also helps to ensure system safely in the event of failure scenarios.

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