Digital control of switch-mode power supplies (SMPSs) is becoming practical thanks to the evolution of low-cost, high-performance devices with peripherals designed for power-conversion applications.

Inductor-inductor-capacitor (LLC) serial resonant circuits, as shown in Figure 1, can achieve both zero voltage switching on the primary side and zero current switching on the secondary side in order ...

The UC1846 control IC provides all of the necessary features to implement fixed-frequency, current-mode control schemes, while maintaining a minimum external parts count. The superior performance of ...

SAN JOSE, Calif.--(BUSINESS WIRE)--Power management leader, Kinetic Technologies, is expanding its portfolio with the introduction of KTB2140. This single-chip, highly integrated active-clamp ...

Fig 1. The buck converter schematic shows the voltage feedback loop and the fast peak CMC loop. The current waveform as seen by the shunt is the dominant signal at the ramp of the PWM comparator. Fig ...

Expanding its portfolio of ac/dc power solutions for home electronics, ON Semiconductor has introduced the NCP1234 and NCP1236 series of fixed frequency pulse width modulation (PWM) current mode ...

Intersil has announced the ISL6539, a dual PWM controller IC with built-in protection and monitoring in a single IC. The controller accepts an input voltage from 5V to 15V and can operate from a 3.3 ...

While the profile of digitally controlled power supplies is rising, it could remain a high end option for a while. Digital control, in all its forms, makes inherent engineering sense because of the ...

ON Semiconductor has announced two new QR PSR PWM controllers for LED lighting with Power Factor Control (PFC) function. The dimmable NCL30386 and the non-dimmable NCL30388 provide options for ...

What is pulse width modulation? Pulse width modulation (PWM) is a powerful digital technique for controlling analog circuits with a microprocessor’s digital outputs. PWM is employed in a wide variety ...

Pulse width modulation is a form of signal communication that transposes a signal from analog to digital form. Analog signals with changing amplitude and frequency pass through a comparator and are ...