The controller in this design is a maximum power point tracking (MPPT) solar charge controller for 12V and 24V solar panels. The reference design has a compact layout and is suitable for small and med...
[size=4]A: Let's first talk about the structure of open collector output. The structure of open collector output is shown in Figure 1. The collector of the transistor on the right is not connected to ...
What is the control chip in the picture below?
Does anyone know the specific model of the power chip in SOT23 package?
I looked at these chips: OB2263, ME8200, PT4201, FS6830, but I'm not sure...
According to foreign media reports, French luxury brand Chanel lost its trademark dispute with Huawei.The dispute began in 2017 when Huawei applied to the European Union Intellectual Property Office (...
I want to collect the voltage of the middle tap of the potentiometer , the power supply voltage is 100V DC. But this voltage is a bit large, so it must be divided twice.1. The voltage collected in thi...
In recent years, under the influence of multiple factors such as the impact of the epidemic, international trade protectionism, and the outbreak of war, the shortage of automotive chips has been "c...[Details]
1. Overview
With the development of science and technology, PLC is increasingly used in industrial control. The reliability of PLC control systems directly affects the safe production and econ...[Details]
As the night lights come on, citizens flock to the West Lake and check in at the ten "most beautiful autumn roads" in Hangzhou; on the east bank of Qiantang River, the beach is brightly lit, and th...[Details]
The single-chip microcomputer
U2
drives
8 common cathode digital tubes
through CH452
and scans 64 keys at the same time. Since some digital tubes have reverse leakage at higher working...[Details]
//Ultrasonic module display program
#include //Includes a header file of a 52 standard kernel
#define uchar unsigned char //Define it for easy use
#define uint unsigned int
#define ulong uns...[Details]
With the continuous development and improvement of switching power supply technology, small, lightweight, high-efficiency and low-cost switching power supplies have been widely used. In the past, t...[Details]
What conditions should be met when synchronous generators and power grids are connected in parallel?
When the synchronous generator is connected in parallel with the power grid, it is required...[Details]
There may be no objection to the fact that audiophilia is a technology. This is because it is the restoration of sound and artistic appreciation through technical means.
If this is the cas...[Details]
For those born in the 90s and 00s, Nokia may be unfamiliar, but in the eyes of those born in the 70s and 80s, Nokia is a god in their hearts. How powerful was Nokia at its peak? With a market share...[Details]
After years of development, China and South Korea have become leading countries in the global power lithium battery market. This article analyzes the development differences between the power lithium...[Details]
There are both boost and buck types in 1-3W flashlight LED applications. The input voltage range of boost applications is 1 to 2.5 Vdc, and the operating frequency is up to 1.2MHz; the input volt...[Details]
According to Jiwei.com, on October 8, the National Procurement Center located in Wuhan Optics Valley Central City announced that OPPO Wuhan R&D Center has officially begun operations. OPPO Wuhan R&...[Details]
Products such as conductive coatings and thermal interface materials, as well as assembly adhesives and liquid seals, protect the battery packs of electric vehicles . Permanent sealing of the battery...[Details]
Equivalent circuit of parallel resonant transformer
Figure 1. Equivalent circuit of parallel resonant transformer
The equivalent circuit of the parallel resonant transformer is shown in Figure...[Details]
Analogue and Mixed Signal
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