Three AA batteries (3 x 1.5V) is used as emergency power sources for mobile devices or phone charging. Output current is limited to 0.5A and protected from out short circuit or high current drawn from the batteries.
Thursday, May 10, 2018
Hot-Swap Circuits with Inrush Current Limiter
To provide continuous current sensing and limiting, this hot-swap circuit uses a PNP transistor and a current sense resistor of 0.333R. Wh...
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This EMI filter includes a common-mode filter and a differential-mode filter. Generally Differential mode filter filters noise less than 3... -
When designing a PCB board, it is important to determine the necessary clearance for screw holes. The table below shows the general screw si...