First of all, the outdoor power supply is an energy storage device, which definitely needs a battery; in addition, because it needs to output AC voltage, it needs the support of an inverter; in addition to these two important components, it also needs ac-dc and dc - dc, mcu , fast charging main control chip, etc.
The safety of lithium battery products is very important. To achieve higher safety, a more accurate battery management system is needed, including the performance of the battery manager itself, mainly reflected in the measurement accuracy of voltage, current and temperature. Only when the measurement accuracy is more accurate can the battery protection process be made safer, more reliable, and more stable, and the battery energy can be fully utilized.
Secondly, the ac-dc power conversion chip industry is very important. High-efficiency ac/dc power conversion combined with 6.6kw three-phase bi-directional anpc three-level inverter, pfc power stage reference design and other small size designs will help to integrate power conversion and battery technology. Integrate for cell balancing, monitoring and protection.
For dcdc devices, because the battery voltage of the outdoor power supply may reach 54v, it is necessary to choose a high-voltage dcdc controller above 100v; in addition, if the cigarette lighter interface needs to support high current, because the cigarette lighter interface is generally 12v/10a.
PD fast charging main control chips have developed rapidly in China in recent years, and many chip manufacturers at home and abroad have launched related chips.
In fact, almost all outdoor power supplies have a cooling fan, a high end bldc motor. In the future, as the output power and capacity increase, liquid cooling can be used for heat dissipation. In the case of liquid cooling, in addition to the coolant, a water pump is also required to assist heat dissipation.
