DC charging pile meter safety and protection components Main component...
Chip overheat protection function of charge control chip
The overheat protection function of the charge control chip is one of the key technologies to ensure the safety of charging, and the following are five main points to introduce this function:
Main component
Temperature Monitoring and control
The charge control chip monitors the temperature of the battery and charging pile through an integrated or external temperature sensor. When the temperature is detected to exceed a preset safety threshold, the control chip takes measures to reduce power output or suspend charging to prevent overheating.
Thermal feedback adjustment
Some charge control chips have a thermal feedback circuit inside, which can control the chip temperature during the charging process. For example, the thermal feedback circuit inside the ME4055-N chip can automatically reduce the charging current when the temperature exceeds 145 ° C, protecting the chip and external devices from damage.
Battery temperature detection
Some charge control chips integrate the battery temperature detection function to monitor the battery temperature by measuring the voltage change of the NTC thermistor connected to the battery. If the battery temperature is outside the normal range, the charging process will be paused to protect the battery and the charging device.
Multiple protection mechanism
In addition to overheating protection, the charge control chip usually integrates a variety of safety protection functions such as overvoltage protection, overcurrent protection, and short circuit protection, forming a multiple protection mechanism to ensure the safety of the charging process.
Intelligent control and response
The charging control chip can intelligently respond to temperature changes and automatically adjust the charging strategy, such as reducing the charging current or stopping the charging until the temperature returns to the safe range. This intelligent control helps maximize charging efficiency while protecting the battery and device from overheating.
Through these overheating protection functions, the charge control chip ensures the safety of the charging process and prevents equipment damage and safety accidents caused by overheating.
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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