Classification of power management ics

The leading part of the power management semiconductor is the power management IC, which can be roughly summarized as follows: 1, AC/DC modulation IC. Includes low voltage control circuit and high voltage switching transistor. 2, DC/DC modulation IC. Includes booster and step-down regulators, and charge pumps. 3, power factor control PFC preconditioning IC. A power input circuit with power factor correction is provided. 4, pulse modulation cargo pulse amplitude modulation PWM/PFM control IC. It is a pulse frequency modulation or pulse width modulation controller used to drive external switches. 5, linear modulation IC (such as linear low voltage drop regulator LDO, etc.). Includes positive and negative regulators, as well as low-voltage drop LDO modulators. 6, battery charging and management IC. Includes battery charging, protection, and power display ics, as well as "smart" battery ics for battery data communication. 7, hot strip board control IC (exempt from the effect of inserting or removing another interface from the working system). 8, MOSFET or IGBT switching function.

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