MIC79050-4.2BMM

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Power Management Integrated Circuit (PMIC) is an integrated circuit designed to regulate, convert, and manage power in digital electronics. A popular device is the MIC79050-4.2BMM, a battery charger from Microchip. This device is primarily used in portable instrument applications, although it is also suitable for automotive, medical, and industrial applications. The device is capable of charging a battery up to 4.2V while providing an appropriate charge current. Additionally, it has thermal couple shutoff and reverse current protection, which renders it suitable for use in an environment with unstable power supply. With advanced features and a small footprint, it is a versatile and efficient solution for battery charging.

The MIC79050-4.2BMM uses pulse-width modulation (PWM) and feedback circuitry to manage the charging of the battery. The device works by monitoring the voltage at the output terminals of the battery charger. As the battery reaches its destination voltage, the current decreases and the device cuts off the flow of power. If the battery voltage drops too low, the PWM signals are adjusted accordingly, so the battery receives sufficient current for charging. This control loop will cause the charger to monitor load current, also known as charge current, and cut it off when the threshold voltage is reached. Thus, the device prevents the battery from overcharging, ensuring that the battery receives an optimal charge.

The MIC79050-4.2BMM device is an ideal choice for portable instrument applications because of its low standby current, allowing for minimal power consumption. In addition, its LED charging indicator provides convenient monitoring of the battery’s charge state. The device also has a low impedance ground connection to reduce noise on the circuit. Its compact footprint, small size and low power consumption make it an excellent choice for measuring applications in a variety of environments. Furthermore, its integrated thermal protection makes the device suitable for use in high temperature environments without fear of burning out the battery.

The MIC79050-4.2BMM has a wide range of features that make it an excellent choice for battery charging applications. From its sensing capabilities to its thermal protection, the device offers reliability, functionality, and versatility for any user. With its enhanced features, it provides superior protection for the battery in case of an overload or reverse current situation. In addition, its low power consumption ensures low power drain on its environment, making it a great candidate for power-sensitive applications. Its high reliability and small footprint make it an ideal choice for any application that needs a reliable power source.

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