Shenzhen Hengjiaxing Electronics Co., Ltd. was established on May 20, 2010. It is a comprehensive enterprise integrating agency, supporting and technical solutions. It has always focused on power management IC and MOS tubes. The brands of the original authorized agents are: Weimeng, Tuowei, Nanlin, Fuman, Quanxin and Tianyuan, and it has its own brand: Hengjiaxing. Products are widely used in: wireless charging, mobile power, drones, security monitoring, car navigation, driving records, toys and other fields. The company adheres to the warehousing business philosophy, with integrity, professionalism, gratitude and win-win as its purpose, so that customers can buy with confidence, use comfortably and cooperate happily! Providing the most satisfactory service to customers is its responsibility. Through a powerful system, it provides standardized, professional, diversified and comprehensive high-quality services to enterprises, and is deeply trusted and supported by domestic and foreign manufacturers and distributors! Through years of hard work, the company's management has become more and more perfect, with rich product resources, a strong technical R&D team, excellent sales elites and a high-quality service team. It is willing to work hand in hand with upstream and downstream partners to make progress together, achieve mutual benefit and win-win results, create brilliance, and do its utmost to help the Chinese core to flourish!
Originally, a sensor was driven with a constant voltage of 2.5V, and the current was about 170mA;
After testing, I temporarily wanted to switch to a constant current method to power the sensor, so I b...
The project you are working on is cutting-edge and unique, but there are few commercial off-the-shelf test solutions on the market that meet your needs. As your team must provide more services with li...
Hello everyone, I don't quite understand this circuit. I can understand the +5V boost to +13V, but
(1) I don’t quite understand how the voltage is increased to +18V.
(2) How is this +18V calculated?
(...
Portable Environmental Status Detector
Author:jinglixixi
I. IntroductionThe portable environmental status detector is a work based on the ESP32-S2-Kaluga-1 development board. With the addition of exte...
LED luminous characters are advertising sign products that use LED lights as light sources. They are popular among advertisers for their diverse colors, uniform lighting effects, energy-saving and hig...
1. Why do operational amplifiers oscillate: an intuitive analysis of two common causesThe first case is related to capacitive loads (Figure a). The resistor is the open-loop output resistance of the o...
Energy conservation and environmental protection are the main trends. As the LED lighting industry is booming, a large number of technology companies have invested in this emerging industry. Due to th...[Details]
USB has the following advantages, making it an easy choice for users to develop test and measurement applications.
True plug-and-play: Simply connect the data acquisition module to the PC...[Details]
Living noise seriously disturbs people's daily life, and power supply noise may also interfere with circuits. Ripple or self-excited oscillation in the power supply voltage can have adverse effec...[Details]
Pulse power supply can change the electrodeposition process of metal ions by controlling the waveform, frequency, duty cycle and average current density of the output voltage, so that the electrode...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
LEDs have been increasingly used in industrial applications, electronic signs and signal lights, home and mobile devices, automobiles and consumer electronics because they offer high efficiency, du...[Details]
Light is generated by electromagnetic radiation, so light is an expression of part of the electromagnetic
spectrum
. The spectrum that the human eye can observe is called visible light, fro...[Details]
The reactive power of a single-phase AC circuit can also be measured using an active power meter. This is because reactive power If the wiring method is changed so that the phase difference betw...[Details]
Semiconductor lighting is the most advanced light source in the world. It not only consumes less power and has a long life, but also can produce a variety of colorful lamps. A 220V round color-...[Details]
Full color
display screen
Use of
special
LED
:
High-quality LED also requires a good use method and environment. In summary, there are eight key points for use:
1. Anti-sta...[Details]
Miniaturization has always been a hot topic in the electronics industry, especially for power supplies. The quality of a power supply is usually measured in terms of power per unit volume. In this ar...[Details]
This figure shows a solar cell powered LED driver applied to an LED emergency flashlight. When the flashlight is off, the LTC3536 is in shutdown mode. Its quiescent current of less than 1μA minimiz...[Details]
DC-DC is a DC-DC conversion, which is generally divided into two types: boost (BOOST) and buck (BUCK). The output current of the buck DC/DC converter is relatively large, mostly hundreds of milliam...[Details]
In
the field of LED lighting, in order to reflect the energy-saving and long life characteristics of LED lamps, it is crucial to correctly select LED driver ICs. Without a good driver I...[Details]
Even the design of ordinary DC to DC switching converters in power supply design will have a series of problems, especially in high-power power supply design. In addition to functional considerat...[Details]
Analog electronics
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