Common chip issues in analog IP integration

Despite concerns over the end of Moore‘s Law over the past decade, the microelectronics industry continues to adapt to new physical constraints and product req...

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Simplified lithium-ion battery charger testing

Lithium ion (Li+) batteries are more fragile than other chemical batteries and are difficult to tolerate abuse. Therefore, lithium-ion battery chargers are comp...

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Introduction to the driving methods and characteristics of single-phase brushles...

ROHM has over 220 models of motor driver ICs and has a strong market performance. The motor driver ICs covered include brushless DC motors, stepper motors, sing...

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What are the latest trends and innovations in brushless DC motor control technol...

Brushless DC (BLDC) motors are widely used in various applications, such as electric vehicles, drones, robots, and industrial automation, due to their high effi...

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Five tips for selecting PCB connectors

The selection options and diversity in the connector field are also constantly increasing. A few years ago, when choosing a connector, one only needed to focus ...

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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 ‘and‘ 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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