MAX6776LTA+T

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The MAX6776LTA+T is a power management integrated circuit (PMIC) designed specifically for battery management applications. It is designed to provide high efficiency control and power management for battery-powered devices, such as computers, cell phones, tablets, wearable devices, and other portable electronics. It is also used in some automotive applications. The MAX6776LTA+T is an advanced PMIC that includes both a buck and boost voltage regulator, two low drop-out (LDO) linear regulators, three programmable switches for power FETs, and a linear charger for up to 4 series NiMH or NiCd cell applications. This PMIC allows for control and power management for up to 4 series battery cells with an external low voltage sensing circuit.

The buck/boost voltage regulator is ideal for powering an application from a battery source when the input voltage may differ from the output voltage. It is also suitable for driving some portable applications with a USB source. The buck/boost regulator can provide a regulated output voltage from 0.9V to 5.5V. The two linear regulators provide up to 5.5V and up to 4A of output current. The programmable switches allow the application to switch between different power sources to provide a seamless transitionfrom the battery source to the USB source. The MAX6776LTA+T also provides a low voltage sense circuit and an over-temperature protection circuit.

The MAX6776LTA+T works through an integrated control logic circuit to regulate the input voltage, output current, and battery charge current. The control logic circuit monitors the battery voltage, the maximum output voltage, and the maximum output current, and adjusts the voltage regulator accordingly by applying pulses to the power FETs. The control logic also adjusts the current limit to ensure that neither the battery nor the components connected to the circuit are over-stressed. The linear charger can charge a battery of up to 4 series NiMH or NiCd cell applications. Additionally, the linear charger can be monitored and controlled using an external microcontroller.

The MAX6776LTA+T is a highly efficient PMIC designed to provide efficient control and power management solutions for battery-powered and other portable electronic applications. It combines a buck/boost voltage regulator, two low drop-out linear regulators, three programmable switches, and a linear charger. The integrated control logic circuit ensures that the power supplied by the battery and the FETs are regulated accurately. As a result, maximum efficiency and system stability are achieved. Furthermore, the integrated linear charger allows for the safe charging of up to 4 series NiMH or NiCd cells, while being monitored and controlled externally.

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