MAX1799EGP+

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The MAX1799EGP+ is a specialized power management integrated circuit (PMIC) that provides energy harvesting and boost-charging capabilities for energy-harvesting and battery-powered systems. It is capable of providing power conversion from a wide range of source voltages that can be configured from as low as 0.1V up to 8V. The MAX1799EGP+ offers an ideal solution for low-power applications that require an efficient, low-cost, and low-profile power solution.

The MAX1799EGP+ features a fully integrated energy-harvesting and boost-charging system, offering a wide input voltage range, up to 8V, so a variety of energy sources, such as solar panels and thermoelectric generators, can be connected directly to it. The boost-charging feature enables the MAX1799EGP+ to store incoming energy in a supercapacitor or other energy-storage device, thus allowing the device to provide a power supply during dim or short periods of available energy.

The MAX1799EGP+ also exploits multiple operating modes, such as state-of-charge (SOC) control, low-battery warning (LBW), and battery fault protection (BFP). The SOC control mode allows the device to manage the charge/discharge current from the energy source and the supercapacitor. This maximizes energy harvesting efficiency by adjusting the energy source load for the best energy conversion possible.

The LBW mode is a voltage-detection feature that warns the system of low energy levels in the energy source or supercapacitor, indicating when a recharge is needed. The BFP mode prevents the device from overcharging or discharging too deeply. The MAX1799EGP+ also features a programmable current-monitor output that can be connected to a microcontroller or other processor to alert the system of charge-condition status.

The MAX1799EGP+ is the ideal power management solution for energy-harvesting and battery-powered applications that require low-profile, efficient, and low-cost power conversion. It is capable of providing power conversion over a wide voltage range and features multiple operating functions for improved energy efficiency and protection against overcharging and discharging. The integrated power-conversion system offers superior energy efficiency and reliable performance.

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