Archive

• Detailed explanation of commonly used LED drive power

  01 General LED driver There are many types of LED power supplies, and quality and price of different power supplies vary greatly, which is also one of important factors affecting quality and price of product. LED drive power can g...

  2023-09-26【Archive】

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• 8 ingenious applications of zero-resistance resistors in circuit design

  A component often used in electronic circuit design is resistor. We all know that resistors play a role in dividing voltage and limiting current in a circuit. However, in real life, a special type of resistor is used: a zero-resis...

  2023-09-25【Archive】

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• DC Circuit Design Skills and Device Selection Principles

  01 Concept and functions 1 Concept DC-DC refers to a direct current (direct current) power supply. This is a device that converts electrical energy of one voltage value into electrical energy of another voltage value in a DC circu...

  2023-09-24【Archive】

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• A little knowledge of power circuits: will help you understand difference between source current and drain current.

  1.DDR power supply 01, main power supply VDD and VDDQ Main power supply requirement: VDDQ=VDD, VDDQ is I/O buffer power supply, and VDD is I/O buffer power supply. However, in general, VDDQ and VDD are combined into one power supp...

  2023-09-23【Archive】

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• The most complete ever! Graphical analysis of electric drive current loop circuit (dry separation)

  The design of current loop of an electric drive, as an important and complex point in field of drive technology, puzzles many engineers. Let's lift veil together today. For motor, if current becomes larger, there are two dangers:...

  2023-09-22【Archive】

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• 29 Common Mistakes Electronics Engineers Make

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  Save money Common mistake #1.What color should I choose for bar indicator? Personally, I like blue better, just choose it. A positive decision. Red, green, yellow and orange indicator lights available on market, regardless of si...

  2023-09-21【Archive】

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• Buck circuit inductance calculation 2

  I was talking about calculating critical mode of buck converter inductance, given that when input voltage is constant, if my input voltage is AC voltage, for example, input source is a battery, at this time we need to read maximum...

  2023-09-20【Archive】

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• Sharing 9 circuit designs switching power supply, circuit diagram, circuit board, application notes

  Sample application (1) A simple 3-step lead-acid battery charger control scheme: A simple 3-step lead-acid battery charger control scheme: This board file is a simple 12V/4A three-stage charger designed in same way as above (no re...

  2023-09-19【Archive】

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• How much current can a 0 ohm resistor handle?

  How much current can a 0 ohm resistor handle? This question should be checked by every hardware engineer. And related to this is another question, namely, how big is resistance of 0 ohm resistor? These two questions were original...

  2023-09-18【Archive】

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• Understanding triode principle

  The source of amplified output is power supply connected to collector. We consider it as a pool connected to a collector. The more collector damper is open, greater will be water flow (Ic); base current (Ib) For example, amount of...

  2023-09-17【Archive】

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