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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Power Supply

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Top resources

Resource icon crutschow
Simple & Inexpensive Ideal-Diode MOSFET Circuits 2017-09-19
Good for low-drop diode applications, such as blocking battery back-charging or brownout protection
4.67 star(s) 3 ratings
Updated
Resource icon S
LINEAR POWER SUPPLIES: THEORY & CIRCUITS 2017-01-10
Linear power supply core theory plus circuits that can be adapted to suit your application
0.00 star(s) 0 ratings
Updated
Resource icon S
Precision Micropower Battery Cut-off Circuit 2016-11-23
Simple micropowr circuit to protect batteries from under voltage
0.00 star(s) 0 ratings
Updated
Resource icon S
Standard Three Terminal Regulator Adjusts Down to Zero Volts 2016-11-20
A simple circuit to get down to zero volts with a standard three terminal regulator
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
Two Different Full-wave Rectified Voltages From Center-tapped Transformer and Bridge Rectifier 2016-08-01
Two voltages, one twice the other, require only a center-tapped transformer and bridge rectifier
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
Electronic DC Fuse - Simple Two Transistor Circuit 2016-04-07
Electronic Fuses eliminate fuse replacement and current-limit short-circuit power dissipation
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
MOSFET Bridge Rectifier With Low Forward Drop, Works With Capacitive Output 2017-01-16
MOSFET Bridge Rectifier gives high efficiency for low voltage, high current AC-DC supplies
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
Simple, Efficient, Inexpensive, High-Power LED Constant-Current Switching Supply 2017-01-25
Constant-current hysteretic buck regulator supply for high power LEDs, efficiency of 90%
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
LM317 CC/CV 12V Lead-Acid Battery Charger With Automatic Trickle Charge 2017-06-18
Lead-acid battery charger starts with constant-current and ends with constant-voltage trickle charge
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
Efficient MOSFET Bridge Rectifier for Resistive Loads, Or Input Power Auto Polarity Gating 2017-03-07
MOSFET bridge for efficient resistive load rectification, or indifference to input power polarity.
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
Triple Output Tracking Power Supply Uses Standard 3-Terminal Regulators, Adjusts to Zero Out 2017-03-09
Single +output plus dual +/- tracking output supply using common 3-terminal regulators goes to 0V.
0.00 star(s) 0 ratings
Updated
Resource icon Peter_wadley
ULTRA clean 9VDC Power Supply Project 2010-07-09
Here is a small power supply project that I would like to share with all the members of this forum.
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
Simple 15V, 1.5A, CC/CV Bench Power Supply Circuit - (With Optional Laptop Charger Source) 2018-02-05
Inexpensive, single regulator IC power supply with I and V adj. to zero, includes I & T monitors
5.00 star(s) 1 ratings
Updated
Resource icon crutschow
Low Drop, High-Side Sense Current Limiter Adjusts to Zero 2018-03-08
Two simple high-side sense current limit circuits adjust to zero current and have low voltage drop
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
Low-Dropout CC/CV 12V Lead-Acid Battery Charger With Auto Trickle-Charge 2018-03-11
Minimal circuit for auto CC/CV charging. Option allows pot adjustment of charge current.
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
Lead-Acid Battery Charger, 12V 6A, Using Hysteretic SMPS Circuit With Auto Float-Charge 2018-04-09
Simple, efficient, lead-acid battery charger auto switches from CC to CV mode
0.00 star(s) 0 ratings
Updated
Resource icon ()blivion
"The Scavenger" A Joule Thief inspired Boost regulator. 2013-06-19
Presented here is a significant step forward in simple, cheep, and efficient boost converter design
5.00 star(s) 1 ratings
Updated
Resource icon ()blivion
Voltage Splitter. 2013-01-14
A lot of times when building circuits, (such as op-amp circuits), you'll find that you need a power
5.00 star(s) 2 ratings
Updated
Resource icon hesam_m
12V-7A AC to DC Switching Power Supply [SMPS]
12V-7A AC to DC Switching Power Supply [SMPS]
0.00 star(s) 0 ratings
Updated
Resource icon crutschow
PWM Voltage Control Of Standard Linear IC Regulators 2017-02-13
PWM allows easy control of linear regulator output voltage for μP based power supplies
0.00 star(s) 0 ratings
Updated

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