LED power chip SM2082G high voltage linear constant current method

2022/04/08

  Author :Iflowpower – Portable Power Station Supplier

LED driver power supply, from early isolation switch constant current power supply, transition to non-isolated switch constant current power supply, until today's high-voltage linear constant current, time is 3 years. Undoubtedly, the tragic market competition, the pressure of labor costs, the demand of scale processing, etc., requires the driving power supply technology.

The LED-driven power market in this charter is isolated, non-isolated, single-channel high-voltage linear constant current chip three-legged, each with its own market. No one can replace anyone in a short time, but it is not deny that the use of high-voltage linearly driven is more and more industry acceptance. Single-channel high voltage linear constant current chip SM2082G is a single-channel LED linear constant current control chip, this single-channel high-voltage linear constant current chip SM2082G uses the current constant current setting and control technology, and output current is electrically connected by an external Rextility Set to 5 mA to 120mA, and single-channel high voltage linear constant current chip SM2082G output current does not change with the chip OUT port voltage, has good constant current performance.

Decomposing from single-channel high voltage linear constant current chip SM2082G integrated circuit configuration, single-channel high voltage linear constant current chip SM2082G system structure is simple, extremely small peripheral components, low method cost. The excellent characteristics of high PF and low THD are characteristics of single-channel high voltage linear constant current chip SM2082G. There is no electrolysis method, which can make the life of the LED lights greatly extend.

Single-channel high voltage linear constant current chip SM2082G is simple but performance is still excellent, can meet the high-standard markets such as Europe and America, which is a good choice for indoor lighting power supply. From the cost-effective, single-channel high voltage linear constant current chip SM2082G belongs to the current status of the LED product lighting market in this chance. From all aspects, single-channel high voltage linear constant current chip SM2082G can also support controllable silicon tuning usage circuit, high voltage linear constant current chip SM2082G uses a wide range.

Specific SM2082G controllable silicon tuning method is used as shown below. As for the problem of single-channel high voltage linear constant current chip SM082G, the industry is a long time, first unable to evaluate the camera as a standard. Secondly, the use environment is under the environment, the human eye is kept from the lamp, and it has not been detected, and there is no impact on the human eye.

Finally, add a small patch capacitor to eliminate the frequency flash, even if the capacitance is damaged, there will be no dead lamp.

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