I've already written about some of the interesting components I found inside mobile phone adapters, including the inrush current limiting resistor — often a fusible resistor — and the PC817C optocoupler . In this entry, I'm focusing on ano…
Design Inputs: Output Power(P o ) W Output Voltage(V o ) V Voltage Ripple(dV o ) mV …
Inrush current, the surge of current when a switchmode power supply (SMPS) is powered on, can cause significant stress on components and interfere with other equipment sharing the same power supply line. This is especially problematic in direct-off-…
The Atmel ATtiny85 microcontroller is a compact, cost-effective solution that can serve as a capable PWM controller for switching power supplies. Its versatility and simplicity make it an appealing choice for a range of power supply applications, in…
The passive output stage is a traditional design approach commonly found in power supply systems. It utilizes passive semiconductor rectifiers and is suitable for applications that do not rely on battery power. This method is widely adopted in scena…
