What is a DC adapter used for?
Alternatively known as an AC/DC adapter, AC converter or charger, an AC adapter is an external power supply used with devices that run on batteries or have no other power source. AC adapters help reduce the size of a laptop computer by alleviating the need for a standard sized power supply.
What is DC 12V adapter?
12V power supplies (or 12VDC power supplies) are one of the most common power supplies in use today. In general, a 12VDC output is obtained from a 120VAC or 240VAC input using a combination of transformers, diodes and transistors.
What is a DC auto adapter?
DC charging for electric vehicles Unlike AC chargers, a DC charger has the converter inside the charger itself. That means it can feed power directly to the car’s battery and doesn’t need the onboard charger to convert it. DC chargers are bigger, faster, and an exciting breakthrough when it comes to EVs.
Is a switching adapter AC or DC?
A switching power supply takes an AC input, but rectifies and filters into DC first, is converted back into AC at some high switching frequency, steps down the voltage with a transformer, then is rectified and filtered into a DC output.
How do I know what size DC plug I need?
Listing of DC coaxial connectors Connector size is often listed in the format OD (outer diameter) × ID (inner diameter) × L (length of barrel) and expressed in millimeters. Designations may vary between manufacturers. Coaxial plugs that have a male center pin will have another measurement, Center Pin Diameter (CPD).
How do I know what adapter I need?
Choosing the right adapter specs. The general rule is to match the V and equal or beat the mAh, so if you are choosing an AC adapter to make sure you check the following, The adapter output V matches the rated input V of the device. The adapter output is greater or equal to the devices rated mAh or A.
Can I use 12V DC instead of 12V?
12V DC is safer than 12V AC. Body resistance decreased when the 12V AC still may cause the dead, 12V DC will not be in 100%.
What is DC 12V used for?
Although car power inverters are more complicated to use than 12V adapters and plugs, they are also more versatile. Since these devices convert 12V DC power to AC power (the electricity from a standard wall plug), they can be used to run most electronic devices off car power.
Why is DC used in cars?
Because DC flows in one direction it’s mainly used in electronics. Just like any other batteries, a car battery is DC. Majority of automotive components require DC charge to work properly. The limitation is that batteries will eventually completely discharge without remaining power to give.
Why is DC charging faster than AC?
Quite simply, a charging station using DC power is much faster than an AC charging station as there is less resistance for the current of electricity.
How do you know if something is AC or DC?
One way to determine if you have an AC-DC power supply or a DC-DC model is to look at the device itself. Often, the input and output information will appear somewhere on the surface. If the input is AC, you have an AC-DC power supply, and you have a DC-DC model if the input and output both are DC.
Can I use an AC adapter for DC?
Each AC/DC power adapter is specifically designed to accept a certain AC input (usually the standard output from a 120 V AC outlet in your home) and convert it to a particular DC output. The key is to match the DC output of the adapter to the DC input of your device.
Which is the best power supply adapter for SMPS?
Power Pulse also provides advanced features such as Power factor correction, -V/T sensing, and power management. Power Pulse offer a wide range of light weight SMPS adapters Power supply that are highly protected against over load and short circuits.
Why is the max8640y used in a SMPS circuit?
The MAX8640Y is used within a simple, step-down SMPS circuit. Although high efficiency is the principal advantage with SMPS designs, other benefits naturally occur as a direct result of minimizing power loss. For example, a reduced thermal footprint is observed in the SMPS when compared to its less efficient counterparts.
How is power pulse used in power supply adapters?
Use of ASIC, hybrid circuits, and thin film technology allows Power Pulse to design adapters with high power efficiency and high power density. Power Pulse also provides advanced features such as Power factor correction, -V/T sensing, and power management.
What should the voltage be for a switched mode power supply?
On the other hand, if the power supply has a voltage selector switch, based on the Delon circuit, for 115/230 V (computer ATX power supplies typically are in this category), the selector switch would have to be put in the 230 V position, and the required voltage would be 325 VDC (230 × √2).