MST2101Q2KD

MST2101Q2KD is a voltage regulator controller adaptive for single phase high speed magneto applications. It receives power from magneto and regulates battery voltage through low Rdson MOSFETs, the MST2101Q2KD can keep energy conversion most efficient, and reduce regulator power loss and self heat. Multiple built-in protection mechanisms in MST2101Q2KD can prevent regulator and motorcycle load from damage. OVP circuit (Over Voltage Protection) can disconnect power from the load when voltage stress occurs on the load, especially on the battery absent condition. Hot Plug function integrated with MST2101Q2KD will prevent regulator from voltage spike damage due to loosing wires caused by driving vibration. MST2101Q2KD controller starts to regulate battery voltage when each phase current goes to zero crossing. With zero crossing regulation approach, the controller can greatly reducing switching loss avoiding regulator from heating, the most important, it greatly suppress electromagnetic interference in the system. Through internal ON/OFF time sequence management, the power of each phase will be distributed to the battery and load evenly (Group Wave Modulation), avoiding the phenomenon of only one phase working while other phases idle. With the smooth and orderly control of each phase, the regulator ensures the reliability of the whole magnetic motor system. When the magneto motor stops working, the controller will disconnect the whole circuit from battery guarantees low static current consumption of the battery and extend the life of the battery.

Key features

• Adaptive to single-phase magneto
• Zero Crossing regulation
• Over voltage protection with fast response
• Group wave modulation to keep each phase balance
• Integrated internal regulator LDO
• Hot-plug protection for MOSFETs
• The voltage of the battery is adjustable
• Easy to use: only few external components
• Available Packages: SOP - 14