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In telecommunication applications, target impedance serves as a crucial benchmark for PDN design. It ensures that the die operates within an acceptable level of rail voltage noise, even under the worst-case transient current scenarios, by defining the maximum allowable PDN impedance for the power rail on the die. This article will focus on the optimization techniques to meet the target impedance ...

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Infrared (IR) and remote frequency (RF) home remote controls are being used in systems such as sound systems, televisions, lighting, and other controls. These systems are becoming increasingly complex with features including voice control, connectivity, LED displays, and capacitive touch. Remote controls should be reliable, easy to use, and have a long battery lifespan. MPS provides cost-effectiv...

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I have been invited to comment on electronic design automation (EDA). It is a subject in the industry to which I have not contributed much innovation, but I can say a few words as someone who has benefited from it during my long career as an analog designer. With just over 25 years of experience designing DC/DC power converters as well as custom and standard analog IC products, I have seen some r...

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Nowadays, graphics processing units (GPUs) feature tens of billions of transistors. With each new generation of GPUs, the number of transistors in GPUs continues to increase to improve processor performance. However, the growing number of transistors is also resulting in an exponential increase in power demand, which makes it more difficult to meet transient response specifications. This article ...

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In the buck circuit, the inductor design is a key element that is closely related to system efficiency, the output voltage ripple (∆VOUT), and loop stability. This article discusses how to calculate the inductance of a buck converter using the MPQ2314 as well as key parameters including the rising current of the inductor temperature, saturation current DC resistance, operating frequency, and magne...

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Power failures tend to cause a domino effect of disruptions, resulting in system failures and data loss, as well as damage to servers and equipment. This article describes how to use the MP5515 to protect solid-state drives (SSDs) against sudden power failure. There are three main issues if an SSD experiences a power failure: The MP5515 is an input power conditioning PMIC that provides a compact...