Design of an energy-saving management circuit for power supply

In response to the problem of excessive energy consumption of batteries in current battery powered power electronic products during long-term storage, transportation, or use in standby situations, this article introduces a power saving management circuit based on the concept of external triggering and autonomous control power saving management, combined with research on logic level signals and semiconductor device characteristics such as transistors. This circuit realizes the triggering of passive switching devices such as external button switches, vibration switches, or reed switches to power the product. When the product needs to be in standby, it can automatically turn off its own power supply, thereby achieving energy-saving management functions of external triggering and autonomous control. This circuit has a simple structure and stable performance, making it very suitable for use in battery powered electronic products and energy-saving power products.