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0 votes
2 answers
161 views

Purpose of Schottky diode in this schematic

I have come across the power supply management section used in the Verdin Development Board, addressing overvoltage, undervoltage, overcurrent, and reverse voltage protection. While I understand how ...
mastermind's user avatar
3 votes
3 answers
590 views

Does body diode reduce MOSFET switching loss in a power converter?

In power converters, it is common that MOSFETs are fed a PWM signal to have cyclic switching. Part of the power is lost in the process. Does the body diode reduce this loss? It seems most power ...
FlakR's user avatar
  • 749
0 votes
0 answers
100 views

Gate Current Calculation and Practical Mosfet Selection

Vnoo3 is the drive voltage, and Ig is the gate current. What I am wondering is: 1) How to calculate the peak Ig on the rising edge of the pulsed gate voltage? For instance, using the spice image ...
user10231745's user avatar
33 votes
3 answers
10k views

Why would a Intel 8080 chip be destroyed if +12 V is connected before −5 V?

The Intel 8080 is a classic microprocessor released in 1974, fabricated using an enhancement-mode NMOS process, and shows various unique characteristics related to this process, such as the ...
比尔盖子's user avatar
  • 7,218
1 vote
2 answers
519 views

Where should I put a 3.3V Voltage Regulator?

I've stumbled across lots of schematics and one thing that I find is almost never consistent is where a certain regulator should go. I'm going to be using the LM1117 series. Should the 3.3V regulator ...
Nathan Johnson's user avatar
2 votes
1 answer
467 views

Identity and advice on replacement of SM diode

I have a Sonos Play:3, which is past its warranty. I dismantled it to find it has the well documented fault with a blown capacitor. However, there is also damage also to one of the surface mount ...
user avatar
2 votes
1 answer
195 views

Memory Power Supply

Kindly any one give the clarification on this. While going through a DDR Memory data sheet, I have found two (more than that) power supply pins. What is the necessity of this DLL power supply ...
Photon001's user avatar
  • 824
5 votes
1 answer
198 views

How power system is designed for extreme small system, such as google contact lens?

I just read this news and got very curious: http://www.takepart.com/article/2014/07/23/goodbye-finger-pricking-how-googles-smart-contact-lens-really-helps-diabetics Google is designing "Google ...
richieqianle's user avatar
  • 1,622