To support the reduction of the number of chargers discarded due to the elimination of portable devices such as mobile phones, GPS receivers, and personal media players, STMicroelectronics has introduced a circuit-protection chip with enhanced performance and reduced size, enabling the phone to safely use universal chargers.
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It is estimated that the global mobile phone shipments will reach at least 1 billion in 2010. In order to reduce the pressure on the environment caused by millions of chargers, countries around the world have introduced different mobile phone power environmental protection policies, such as the Chinese government requires mobile phones to provide a charging system. Functional USB interface. When the end of the life of the portable device, the associated dedicated charger usually becomes useless. In the best case, these unused chargers are sent for recycling, but usually, these chargers will be mistakenly Dispose of them or leave them in the drawer. In any case, each new portable device has to be equipped with a new charger, which greatly aggravates the adverse impact of the global consumer electronics industry on the environment.
The urgent need to use a universal charger is designed to reduce this adverse effect; however, portable device designers must improve the internal protection of the product and protect the charger from unidentified quality from a safety risk. ST's new ESDA8V2-1MX2 absorbs power surges to a peak pulse energy of 500W, which is 30% higher than the best-selling surge protectors on the market, while the ESDA8V2-1MX2 has a smaller footprint. %, only 1.0 x 1.45mm, saves space for designers to achieve more features or further reduce the size of the end product. ESDA8V2-1MX2 is thinner than similar products on the market, with a thickness of only 0.55mm, and other brands of similar products are 0.7mm or 1.0mm. Another advantage of the new product is a 50% reduction in leakage current, which reduces battery drain, improves product performance and extends charging intervals.
Samples of the ESDA8V2-1MX2 are available now and are in volume production.
The main function of the MPPT Solar Controller is to realize maximum power point tracking (MPPT) in the solar power generation system to improve the energy utilization efficiency of solar panels. It is an advanced charge controller that can adjust the output voltage and current of the Solar Panel in real-time to keep the solar panel operating at the maximum power output point.
Main effect:
Maximum power point tracking: MPPT Solar Controller can accurately calculate the maximum power output point of the solar panel by monitoring the voltage and current of the solar panel in real-time and according to the characteristics of the solar panel. It then adjusts the panel's output voltage and current to keep it operating at its maximum power output point, maximizing the solar panel's energy conversion efficiency.
High energy utilization rate: MPPT Solar Controller's maximum power point tracking function can ensure that the solar panel is always operating in the best working condition, making full use of solar energy, thereby improving the energy utilization rate of the photovoltaic power generation system.
Charge control: In addition to achieving maximum power point tracking, MPPT Solar Controller also has a charge control function to protect the battery from overcharge and over-discharge damage.
Differences from other charge controllers:
Maximum power point tracking function: MPPT Solar Controller is a charge controller specially used in solar power generation systems. The biggest difference is that it has a maximum power point tracking function, which is used to improve the energy conversion efficiency of solar panels. Other charge controllers may not have this unique feature.
Energy efficiency: MPPT Solar Controller can improve the energy efficiency of solar panels through maximum power point tracking technology. Other charge controllers may only be able to charge in a fixed manner and cannot achieve maximum power point tracking.
Application scenarios: MPPT Solar Controller is mainly used in solar power generation systems, while other charge controllers may be suitable for different types of energy generation systems, such as wind power, hydropower, etc.
Overall, the main role of the MPPT Solar Controller is to achieve maximum power point tracking, improve the energy conversion efficiency of the solar panel, and protect the battery from overcharge and over-discharge damage. Compared with other charge controllers, it has unique advantages in energy utilization efficiency and maximum power point tracking and is suitable for applications in solar power generation systems.
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