MM9Z1J638BM2EPR2

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PMIC - Battery Management is a field driven by the MM9Z1J638BM2EPR2 integrated circuit. This power management integrated circuit (PMIC) provides battery charging, system power, and power for low-voltage peripherals in portable computing, communication, medical, and industrial systems by regulating the voltage of the system when the battery voltage drops.

The state-of-the-art design of the MM9Z1J638BM2EPR2 makes it ideal for applications that require a wide input voltage range and low output voltage ripple. It combines a regulated charge pump and highly efficient low-dropout linear regulator in a single package, enabling it to provide both system power and battery charging.

The MM9Z1J638BM2EPR2 is designed to ensure that no matter how low the battery voltage is, the system always has some reserve power available, extending battery life and preventing data loss. This integrated circuit also senses battery temperature and adjusts the power output as needed, preventing excessive charging and over-discharge of the battery.

The working principle behind the MM9Z1J638BM2EPR2 is quite simple. It is a dual-mode, three-phase buck-boost converter with a low-dropout linear regulator. The converter is designed to accept a wide input voltage range and to provide an adjustable output voltage with low noise. The integrated switchmode MOSFETs are used to regulate the output voltage while minimizing power dissipation.

The linear regulator section of the MM9Z1J638BM2EPR2 provides additional voltage regulation. This low-dropout linear regulator is used to provide the additional power that may be needed in cases when the battery voltage is low.

The MM9Z1J638BM2EPR2 also contains a switch-over circuit that automatically switches from the battery-charging mode to the system power mode when needed. This switch-over circuit also allows the chip to detect when the battery is low and enter a low-power sleep mode until the battery is recharged.

The MM9Z1J638BM2EPR2 is designed to provide up to 2.5A of power and is capable of supporting a wide range of input voltages, from 2.7V to 45V. The maximum output voltage is adjustable up to 28V. The chip also provides thermal protection and reverse current protection.

In summary, the MM9Z1J638BM2EPR2 is an ideal integrated circuit for applications where low system power and low voltage ripple are desired. It provides a regulated charge pump and highly efficient low-dropout linear regulator in a single package, enabling it to provide both system power and battery charging. It also offers thermal protection, reverse current protection and switch-over circuit. Its low-dropout linear regulator provides additional voltage regulation in cases when the battery voltage is low.

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