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Dc charging pile display chip power management unit
Main component
Concept:
The Power Management Unit (PMU) is the core component of the DC charging pile display chip, which is responsible for the management and monitoring of the power supply. It can provide a variety of voltage outputs to ensure that the power needs of the system are met in various working states, and to ensure the stability and efficiency of the power supply.
Function:
Voltage conversion and distribution: The power management unit is capable of converting the input power supply voltage into various voltage levels required for displays and other electronic components.
Power monitoring: Monitor the status of the power supply, including voltage, current and power, etc., to ensure that the power supply is working in a safe and stable range.
Load management: When multiple power supply requirements exist at the same time, allocate power appropriately and prioritize the power supply of key components.
Protection: Provides overvoltage, undervoltage, overcurrent, and short circuit protection to prevent damage to the device caused by abnormal power supply.
Working Principle:
AC/DC conversion: The AC power supply (AC) is converted into DC power supply (DC) for the internal circuit of the charging pile.
DC/DC conversion: Further voltage conversion is performed on the DC power supply to match the voltage requirements of different components.
Power factor correction (PFC) : Improve the power factor of the power supply, reduce energy waste, and reduce interference with the grid.
Linear Regulation (LDO) : Provides linear regulation for components that require a stable voltage output.
Battery management: In the case of battery backup, manage the charge and discharge process of the battery to ensure the health of the battery and extend the service life.
Thermal management: Monitors the temperature of power modules and starts the heat dissipation mechanism when necessary to prevent performance deterioration or damage caused by overheating.
Sum up
The power management unit is the key to ensure the stable operation of the DC charging pile display chip, which provides a reliable and efficient power solution for the charging pile through accurate power management and protection mechanism.
DC CHARGING PIlE SERIES
DC charging pile is an efficient charging facility for electric vehicles, which uses direct current (DC) to directly charge the vehicle battery, significantly reducing the charging time. Compared with traditional AC charging piles, DC charging piles are able to provide higher power output and can usually charge an EV to 80% of its capacity in 30 minutes, providing users with a convenient charging experience.
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