Tag Archives: power supply circuit

2009 Nissan Versa Battery and Power Supply Wiring Diagram

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The 2009 Nissan Versa is available as a sedan or hatchback. The hatchback model is available with a 1.8L 4-cylinder engine in combined with a manual transmission or a continuously variable transmission system (Xtronic CVT). While the sedan is available with two different engines, a 107-hp 1.6-liter or a 122-hp… Read more »

Charging System Wiring and Main Power Supply Circuit – 2006 Aprilia RS125

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The 2006 Aprilia RS125 charging system wiring and main power supply circuit consists of: main rave, fuses, regulator, ignition system, battery and light system. Charging system test: • Start the engine and rev it up to 6000 rpm. • Connect a tester placed into voltmeter mode across battery terminals. •… Read more »

40V Regulated Power Supply based TIP42A and LM317

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This is a 40V Regulated Power Supply, built using IC LM317 as regulator and TIP42A as electric current amplifier. Component part:  Regulated Power Supply R1 = 3R9 1 or 2W R2 = 22R R3 = 6K8 R4 = 220R R5 = 4K7 C1 = 3300µF/50V or 4700µF/50V C2,C5 = 100nF… Read more »

Battery Charger / Power Supply 14V / 4A with MOSFET VN64GA

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As the the title, this circuit can function as a power supply or a battery charger. This  Battery Charger / Power Supply circuit has a voltage output of 14 volts and can supply current up to 4 amperes. Operational amplifier A1 CA3140 directly drives the N-Channel MOSPOWER VN64GA with the… Read more »

IC Power Supply Schematic using DC/DC Converter

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This is an IC power supply schematic to provide +15V to all of the IC chips using two Lambda DC/DC converters. Click the figure to enlarge it. One 24V/15V DC/DC converter, Lambda PM10-24D15, will be used to provide +15V to the UC3825BN PWM IC, the IR2110 gate driver IC’s, and… Read more »

1.25V Mini2440 Power Supply System Schematic Diagram

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The mini2440’s power system utilizes a voltage step-down chip to generate three kinds of voltages: 3.3V, 1.8V and 1.25V which connected to an external 5V power supply. The following picture shows 1.25V Mini2440 Power Supply System Schematic Diagram. This Mini2440 power supply system doesn’t have a full featured power management… Read more »

3 to 30V Power Supply using L200 IC Circuit Diagram by Anwar von Sroka

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The following picture shown a 3 to 30V power supply circuit diagram using L200 IC made by Anwar von Sroka.It is constructed for the use with 100W transceivers. The L200 IC which is known as virtually blow-out proof IC for voltage and current programmable regulation, is able for regulating the… Read more »

Multi Output Power Supply Circuit Design using UC3844

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This article below shows Multi Output Power Supply Circuit Design using UC3844. It is designed for power over ethernet applications (POE) or receiver end. The UC3844 acts as the isolated flyback converter which its current mode controller set to operate at 200kHz. Together with LX1752 which generates the step down… Read more »

12V Portable and Mobile Power Supply Circuit Diagram

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A suitable 12V portable and mobile power supply circuit design is shown in the circuit diagram below. This type of power supply can be built quite inexpensively and needs only a minimum of circuitry. This circuit will give output current of 1 amp, well stabilized and smoothed. The smoothing and… Read more »