Power Module in PWM Controller

The power of PWM controllers is generally supplied externally, with high voltage and a large range of variation. A power management module with a wide voltage range and high power supply rejection ratio has been designed for the application environment of PWM controllers. The pre-regulator module co...

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Veröffentlicht in:2025 IEEE 3rd International Conference on Image Processing and Computer Applications (ICIPCA) S. 6 - 10
Hauptverfasser: Ni, Chunxiao, Mou, Wenxiu, Su, Xiao, Zhou, Hailong
Format: Tagungsbericht
Sprache:Englisch
Veröffentlicht: IEEE 28.06.2025
Schlagworte:
High-voltage techniques
Multichip modules
over-current protection
over-temperature protection
Power system management
pre-regulator
Protection
Pulse width modulation
PWM controller
Regulation
Temperature control
Temperature distribution
Temperature sensors
under-voltage lockout
Voltage control
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Zusammenfassung:The power of PWM controllers is generally supplied externally, with high voltage and a large range of variation. A power management module with a wide voltage range and high power supply rejection ratio has been designed for the application environment of PWM controllers. The pre-regulator module converts the input high voltage into low voltage, which is used by other parts of the power module. The bandgap reference module generates a constant voltage that does not vary with temperature and the final voltage is generated by LDO. The over temperature protection, over-current protection, under voltage latch, and input voltage detection were realized to meet the power requirements of other circuits in PWM controllers.
DOI:10.1109/ICIPCA65645.2025.11139062