USB Type-C PD 3.0 Specification, Charging and Design - EDN
WEBJun 25, 2021 · Introduction. The USB Type-C connector and power delivery (PD) specification has brought radical changes to the mobile device industry, and USB Type-C PD 3.0 could optimize battery charging for portable devices.
Setup and Hold Time Equations and Formulas - EDN
WEBAug 10, 2012 · Setup and hold time equations. Let’s first define clock-to-Q delay (T clock-to-Q).In a positive edge triggered flip-flop, input signal is captured on the positive edge of the clock and corresponding output is generated after a small delay called the T clock-to-Q.The flip flop can only do the job correctly if the data at its input does not change for some time before the clock edge (T setup ...
Power factor correction devices: Can they really reduce your ...
WEBJun 1, 2012 · Note that Real power is measured in Watts (W) and represents the actual work done by an electric current or actual energy consumed by a load. Electrical systems usually have inductors and capacitors, which are referred to as reactive components.
16 Ways To Fix Setup and Hold Time Violations - EDN
WEBDec 8, 2021 · A detailed description of the setup and hold time requirement along with equations and waveform can be found in the article titled “Setup and Hold Time Equations and Formulas”. Best ways to avoid and fix setup time violations
Fundamentals of I3C interface communication - EDN
WEBDec 5, 2022 · I3C is a new serial communication protocol for embedded systems that offers significantly higher data throughput and more advanced features than I 2 C. With I3C, engineers and designers can improve the performance of their designs while also adding in new features like hot-join, in-band interrupts (IBI), and high data rate (HDR) modes.
Cross Sectional Area Of Wire: Formula & Calculation - EDN
WEBNov 15, 2016 · The reason it generally takes more circular mils per ampere for the heavier gauges is that wire circumference varies linearly versus the radius and diameter while the cross sectional area varies as the square of the radius and diameter.
Audio levels, dBu, dBV, and the gang: What you need to know
WEBApr 18, 2017 · But before delving into the interfaces and their differences, we need to look at the purely audio phenomenon called dBVU. VU Meters We’ve all seen “VU” (volume unit) meters on audio equipment, but the truth is, very few of them are true VU meters.
SELV In Power Supplies: Definition & Applications - EDN
WEBMay 14, 2013 · What does SELV stand for? SELV stands for Safety Extra Low Voltage. Some AC-DC power supply installation manuals contain warnings concerning SELV. For example, there may be a warning about connecting two outputs in series because the resulting higher voltage may exceed the defined SELV safe level, which is less than or equal to 60VDC.
1U vs. 2U vs. 3U: Rack Units Explained | EDN
WEBApr 3, 2013 · What does 1U mean? Many rack-mounted power systems and power supplies are specified as being 1U, 2U, 3U, etc. What does this mean? For electronic equipment racks (e.g., 19 or 23 inches wide), the term 1U is used to define one rack unit of height.
Protecting against reverse polarity: Methods examined, Part 1
WEBAug 22, 2014 · Preventing Damage to the Power Source . This article reviews the pros and cons of each method, but we need to begin with a short warning. If the power source has reversed polarity, some of the solutions proposed protect the device by …