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Constant

High Voltage Constant Current Source Circuit

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Last Updated on March 22, 2024 by Swagatam 10 Comments

high voltage constant current source circuit

The presented circuit offers an adjustable constant current source capable of reaching up to 60mA, operating at voltages as high as 350V. Circuit Description The input stage, consisting of resistor R1 and zener diode ZD1, delivers 8V to the regulator (a 7805), maintaining this voltage relative to its reference line. This voltage level ensures sufficient […]

Filed Under: Power Supply Circuits Tagged With: Constant, Current, High, Source, Voltage

Constant Current Generator Circuits Explained

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Last Updated on November 17, 2023 by Swagatam 17 Comments

1

Constant current generators (CCGs), as the name suggests, are circuits designed to produce a steady load current regardless of significant fluctuations in load resistance or voltage levels. Basic Constant Current Generator Circuit Illustrated in Figure 1 is a basic example of such a circuit. In this configuration, Q1 operates in the common emitter mode. A […]

Filed Under: Electronics Theory, Power Supply Circuits Tagged With: Circuits, Constant, Current, Explained, Generator

Gel Cell Battery Charger Circuit [Constant Current, Constant Voltage]

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Last Updated on November 22, 2023 by Swagatam 42 Comments

Fig 1

In this post I have explained what are gel cell batteries and also learn how to build a specialized charger for charging a gel cell battery, with full calculations. The proposed circuit works in two modes: it starts charging a discharged gel cell battery with constant current, until the full charge voltage is reached across […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Cell, Charger, Constant, Current, Voltage

Constant Torque Motor Speed Controller Circuit

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Last Updated on May 27, 2022 by Swagatam 28 Comments

motor speed with constant torque

In this post I have explained a DC Motor controller which features a constant torque compensation for enabling the motor to run at a consistent speed irrespective of the load on it. Drawback of Ordinary Speed Controllers One drawback of the majority of simple speed controllers is they only provide the motor with a predetermined […]

Filed Under: Motor Controller Tagged With: Constant, Controller, Motor, Speed, Torque

What is Constant Current Source – Facts Explained

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Last Updated on November 20, 2023 by Swagatam 27 Comments

CC CV

In this post I will try to analyze what is constant current source and how it affects a load, or how it may be used with a load correctly for achieving the most efficient results. The following discussion between me and Mr. Girish will clearly explain what is CC or how constant current operates. How […]

Filed Under: Electronics Theory Tagged With: Constant, Current, Explained, Facts, Source

Transformerless Constant Current LED Driver Circuit

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Last Updated on June 18, 2022 by Swagatam 44 Comments

led2Bdriver

In this post I have explained how just a single IC MBI6001 can be used as a transformerless constant current LED driver circuit for illuminating a chain of many LED in series. The MBI6001 series of ICs are designed to work with mains AC inputs and convert it into a lower voltage DC output which […]

Filed Under: Lamps and Lights Tagged With: Constant, Current, Driver, LED, Transformerless

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