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Precision voltage regulation achieved through dynamic voltage regulation
When strict adjustment of the power supply voltage is required, the DC voltage accuracy specifications in the switch regulator data manual can be used. The accu...
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IC troubleshooting and fault analysis
IC fault analysis requires fast and accurate response, as of course, helping customers is our main focus. But should we expect the Quality Assurance (QA) depart...
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Key Points for Low EMI Design of Class D Power Amplifier Chips
Source analysis of ground noise: Due to the parasitic inductance/resistance flowing through the switch ripple current, there is a voltage deviation between the ...
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Using DAC to output sine waves
Use a D/A converter to output analog voltage from the ANO0 pin. The analog voltage output starts at 0.0 V. Output level every 200? S variation, sinusoidal wavef...
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Single Type-C interface rechargeable and dischargeable mobile power solution
With the popularization and promotion of Type-C, mobile power sources on the market are gradually phasing out the micro USB interface and updating it to Type-C ...
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Key Points for PCB Design of High Current Power Circuits
In our conventional understanding and learning, most people may say that analog signals are continuous small signals, such as sound signals. In fact, there is a...
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Definition of PCB board impedance board
The definition of a PCB impedance board is that a good stacked structure can control the characteristic impedance of a printed circuit board, and its wiring can...
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Selection of magnetic beads
Ferrite Beads are a rapidly developing anti-interference component that is cheap, easy to use, and has a significant effect on filtering high-frequency noise. ...
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How to calculate the current of the three-phase drive chip of a brushless motor
The current method for the three-phase drive chip of a brushless motor is: I=√ 3 * P/3 * V. According to relevant information, the current method for the three...
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Summary of Ultra Full BLDC Motor Control
BLDC motor control requires understanding the rotor position and mechanism of the motor for rectification and turning. For closed-loop speed control, there are ...
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Bluetooth amplifier solution based on Qualcomm products
Dalian Lianda Holdings, a leading international semiconductor component distributor dedicated to the Asia Pacific market, announced that its subsidiary, Quandin...
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Analysis of System Noise Coefficients in Modern Radio Receivers
System and design engineers typically use noise figure to ensure signal performance. However, using mixers in the signal chain poses challenges for simple noise...
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Current sensor magnetic field interference management
This article introduces Allegro‘s ACS71x current sensor integrated circuit (IC), which does not require a concentrator and can control and reduce external magn...
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How to determine if your motor driver is working properly
When you try to drive the motor with a newly designed PCB system, the new system may not always work properly the first time.
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Introduction to Boost Converter,Structure and Design
As the names‘ boost ‘a(chǎn)nd‘ boost ‘imply, the topology we are discussing today can achieve an output voltage higher than the input voltage. This, along with t...
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New Trends in Brushless DC Motor Drivers
Brushless DC (BLDC) motors have been rapidly adopted in the market and a wide range of motion control applications, as they have significant advantages compared...
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Why TypeC Interface Can Become Mainstream in the Market
To understand the principle of Type-C, the first step is to understand its PN definition. The Type-C port has 4 pairs of TX/RX branch lines, 2 pairs of USB D+/D...
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How to turn an AC induction motor into a DC motor
The field of high-performance motor control has always been dominated by synchronous DC motors. This group of motors includes brush motors, brushless motors, wo...
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Utilizing Packaging, IC, and GaN Technology to Improve Motor Drive Performance
With the trend of increasing battery voltage in robots and electric tools, the power of motor drivers is also constantly increasing. This means that there is an...
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Do brushless motors require a driver to rotate
Brushless motor is an efficient, low noise, and stable motor. Unlike traditional brush motors, brushless motors do not have carbon brushes on their rotors, so t...
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