We are developing side power electronic equipment in the field of patch toggle switch skills, while the development of switch frequency skills, promote each other to promote patch toggle switch each year to exceed two digit growth toward light, small, thin, low noise, high reliability, anti-interference direction. Patch toggle switch can be divided into two categories AC/DC and DC/DC, DC/DC converter module has been completed, and planning skills and production technology at home and abroad are mature and standardized, and has been recognized by the user, but the AC/DC module, because of its own characteristics in the process of making modular, meet complex skills and process questions.
Patch toggle switch maintenance circuit function through patch toggle switch in the planning necessary over-current, overheating, short circuit protection function, so the preferred protection function complete switching power supply module should be in the planning, and the maintenance skill parameters of the circuit should work characteristics and electrical equipment matching, in order to prevent damage electrical equipment or patch toggle switch.
Ground patch toggle switch, switching power supply will have more interference than the linear power supply, electric equipment is sensitive to the common mode interference, grounding and shielding measures should be adopted, according to ICE1000, EN61000 constraints and FCC EMC patch toggle switch adopted EMC EMC measures, thus switching power supply usually with EMC electromagnetic compatibility filter. For example, the HA series patch switch of Li Edward Fu technology can meet the requirements of electromagnetic compatibility by connecting its FG terminals to the ground or connecting the user's case.
The development direction of patch switch is switch power supply. The development direction of switching power supply is high frequency, high reliability, low consumption, low noise, anti-interference and modularization. Because the key skills of switching power supply light, thin and small is high frequency, so the major foreign producers to switch power supply equipment in the development of new element synchronous high intelligent, especially the two improvement of rectifying equipment in power loss, and ferrite (Mn / Zn) data to increase scientific and technological innovation, progress in high frequency and larger magnetic flux density (Bs) obtained under high magnetic function, and the small capacitor is a key skill. The use of SMT technology makes the switching power supply have made great progress. The circuit board is equipped with two sided devices to ensure the light, small and thin of the switching power supply.
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