How much do you know about car chargers?

For relevant information about car chargers, here are the following introductions to help you choose the best car charger

　　Overview of car battery chargers

　　The onboard charger (OBC) is a system built into the vehicle to recharge the high-voltage battery from the AC grid when the vehicle is parked. The higher driving range of plug-in hybrid electric vehicles (PHEV) and battery electric vehicles (BEV) is achieved by increasing battery capacity and the energy efficiency of electronic components. The battery voltage level used tends to be standardized, about 450V, and there is a trend towards higher voltage, because this supports a shorter charging time and simplifies the wiring in the car. Discrete high-voltage components are widely used in OBC (on-board charger) applications and have replaced more and more module-based solutions due to price pressure. The trend of fast charging has also affected the power range requirements of the OBC topology, so the new trend is the design of 11 kW or even as high as 22 kW. Such developments, coupled with the demand for high efficiency and high power density, and low system cost, have strongly promoted the use of three-phase solutions. Nowadays, under normal circumstances, the power flow from the grid to the battery is one-way, but there are also two-way use cases, such as a battery to load or battery to gri

　　How to choose a car charger

　　1. Look for big brands. Due to the low barriers to entry in the car charger industry, the market is full of uneven car charger products, so when buying, please do not choose a brand you have never heard of. The quality of the big brand products is guaranteed and will be usable. Overvoltage, over current, overheat, short circuit protection, and other functions make it safer to use.

　　2. View materials and designs. Common materials are plastic (must be flame retardant) and metal. Although there is no difference, metal car chargers usually have higher standards in design, such as CNC, polishing, and laser engraving. Electroplating and other processes, so the overall appearance should be one level higher, and the hand feel is much better. Of course, the price is obviously more expensive.

　　3. Fast charging is essential. Now, more and more mobile phones support fast charging. Although the car charger can only meet the scattered charging needs, the faster the better. If the charging speed is too slow, the power charged in the navigation of the mobile phone is not even enough to consume power. Whether it supports fast charging depends on its output parameters. 5V/1A, 5V/2.1A, and 5V/2.4A are all common, mainly to see if it supports fast charging protocols such as QC3.0. Some car chargers support fast charging with two USB ports, while others only support fast charging. You can choose according to your needs.

　　Precautions for the use of car charger

　　1. When using the car charger, please pay special attention not to throw, drop, knock or vibrate the charger at will, and do not use the charger when the vehicle is parked for a long time in summer and the temperature in the car is not high. The temperature of the car exceeds 45°C. This will seriously damage the internal circuit board of the car charger.

　　2. Remember not to insert the car charger before the car starts, so as to avoid the voltage when the car starts to damage the car charger.

　　3. When using the car owner, do not use harsh chemicals, detergents, or strong detergents to clean the charger. Because this will seriously damage the function of the car charger.

　　4. After the vehicle is turned off, the power plug of the car charger should be unplugged and placed. Although the cigarette lighter shuts down 80% of the vehicles when the key is removed from the car, there are still some cars whose cigarette lighters continue to supply power.

　　5. Finally, as an electronic product, the car charger should not be used for a long time to avoid accidentally entering water or exposing it to humid air. This will result in varying degrees of internal electronic components. Corrosion or oxidation.

　　In summary, this article has explained the car charger for everyone. I believe that everyone will have a deeper and deeper understanding of the car battery charger. I hope this article can be of greater reference value for readers. If you want to learn more about connectors, you can browse other articles on our blog, or continue to follow our updates.

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