Electronics/Electrical (EE/EC/EX)

Op-amps, or operational amplifiers, are integrated circuits that amplify the difference between two input voltages. They are commonly used...

Capacitors FMEA

what are the failure mode of capacitors ?

Author 4/29/2023

Capacitors are electronic components that store electrical energy and are used in a wide variety of applications. The failure modes of cap...

Diodes FMEA

What are the failure mode of Diode ?

Author 4/29/2023

A diode is an electronic component that allows current to flow in only one direction. The failure mode of a diode depends on the type of d...

MOSFET

Why NMOS is widely used compare to PMOS?

Author 4/25/2023

NMOS (N-channel MOSFET) and PMOS (P-channel MOSFET) are two types of MOSFETs with complementary properties. NMOS is widely used compared t...

MOSFET

Why MOSFET Fails ?

Author 4/25/2023

MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors) can fail due to a variety of reasons, including: Overheating: MOSFETs have a ma...

Transformer

Can we use a CT (current transformer) in series to the inductor which is operating in CCM?

Author 4/25/2023

Yes, it is possible to use a current transformer (CT) in series with an inductor that is operating in continuous conduction mode (CCM) in a...

Transformer

Let's consider a transformer with ferrite core and with some leakage inductance. Now if we introduce air gap in the ferrite, what will happen to the leakage inductance. please explain your answer.

Author 4/25/2023

When an air gap is introduced in a transformer with a ferrite core, the effective permeability of the core decreases due to the gap. This r...

MOSFET

what is the advantage of paralleling MOSFETs over single MOSFET dissipating same power as in the total parallel combination?

Author 4/25/2023

Paralleling MOSFETs in power electronics has several advantages over using a single MOSFET dissipating the same power as in the total paral...

Buck converter DC-DC MOSFET

In a synchronous buck converter operating in CCM with 50% duty cycle, why the upper MOSFET dissipates more power than lower MOSFET. consider same MOSFET, gate voltages and gate resistors at both places.

Author 4/25/2023

In a synchronous buck converter operating in Continuous Conduction Mode (CCM) with a 50% duty cycle, the upper MOSFET dissipates more power...

MOSFET

During the MOSFET switching, the gate to source voltage becomes flat during the Vds transition, why is it so? what makes it stay constant?

Author 4/25/2023

During the MOSFET switching, the gate-to-source voltage (Vgs) is used to control the MOSFET, and it is an important parameter that determin...

DC-DC MOSFET

If we turn ON a MOSFET with Resistive load, current and voltage transition will start simultaneously. But if the load is inductive, say Relay or any DC DC converter, current rises first to max load current and then only voltage starts to fall. Why?

Author 4/25/2023

The behavior you describe occurs because of the properties of inductors. When a MOSFET is turned on with a resistive load, the current and ...

Capacitors

Consider a capacitor of 20 uF charged to 30V. so it has energy of 9mJ. now a 10 uF uncharged capacitor is connected parallel to it. what will be the final total energy left in capacitors? assuming no self leakage.

Author 4/24/2023

When two capacitors are connected in parallel, the total capacitance is the sum of the individual capacitances. Therefore, the total capaci...

LDO

Difference between LDO and linear regulator

Author 4/24/2023

LDO (Low Drop-Out) regulators and linear regulators are both types of voltage regulators that are commonly used to regulate the output volt...

Gate Drivers

How to select Gate Driver ?

Author 4/23/2023

Selecting a gate driver involves considering several factors such as voltage and current requirements, switching speed, gate charge, and p...

Buck converter

How to select switching frequency of buck converter ?

Author 4/23/2023

Selecting the switching frequency of a buck converter requires careful consideration of several factors, including efficiency, component si...

PCB

FR4 or IMS PCB which one is good for motor inverter applications

Author 4/23/2023

When it comes to selecting a PCB (Printed Circuit Board) material for motor inverter applications, both FR4 and IMS (Insulated Metal Substr...

Diodes Power Diodes

How to select power diode ?

Author 4/23/2023

Selecting a power diode requires consideration of several parameters, including the maximum current rating, maximum voltage rating, forward...

Ferrite

How to select ferrite bead ?

Author 4/23/2023

Selecting the right ferrite bead involves considering several factors, including: Frequency range: The frequency range over which the ferri...

Inductor Design

How to select power Inductor ?

Author 4/23/2023

Inductance value: The inductance value of the power inductor determines the amount of energy stored in the inductor during each switching ...

Capacitors

How to select dc link capacitors ?

Author 4/23/2023

When selecting DC link capacitors, there are several factors to consider: Voltage rating: The DC link capacitors must have a voltage ratin...

MOSFET

How to select a MOSFET for power stage ?

Author 4/23/2023

When selecting a MOSFET for a power stage, you need to consider several factors. Here are the steps you can follow to select a MOSFET for ...

Microcontroller Motors

What is motor controller ?

Author 4/23/2023

A motor controller is an electronic device that is used to control the operation of an electric motor. Motor controllers are used in a wide...

ASIC SOC

Key differences between ASIC and SOC:

Author 4/05/2023

Design Process: ** ASICs are designed from scratch to meet a specific set of requirements, while SoCs are built around an existing processo...

LDO Texas Instruments

LDO Architecture Review

Author 4/05/2023

This presentation will review the various blocks of an LDO, and propose a small-signal model that relates to the blocks.  The vari...

MOSFET

How to select MOSFET Package ?

Author 12/18/2022

The selection of the MOSFET package mainly depends on the following parameters. Power dissipation/cooling Power losses of the MOSFET have a ...

PCB

Top 5 Beginner PCB Design Mistakes (and how to fix them)

Author 12/17/2022

Learn the most common beginner PCB design mistakes that can negatively impact EMI and SI, as well as how to fix them. Check out tips and tr...

Logic Devices Texas Instruments

Basics of monostable multivibrators

Author 12/17/2022

Monostable can be used to generate pulses of a configurable amount of time. https://www.ti.com/logic-voltage-translation/specialty-logic-i...

Flyback Converter Texas Instruments

What is active clamp flyback?

Author 12/13/2022

UCC28780 is a high-frequency active-clamp flyback controller that enables high-density AC-to-DC power supplies that comply with stringent g...

Analog Devices

ADI CROSS-REFERENCE AND OBSOLETE PART SEARCH

Author 12/06/2022

ADI CROSS-REFERENCE AND OBSOLETE PART SEARCH. CROSS-REFERENCE SEARCH by Part Number or Manufacturer https://www.analog.com/cpsearch/crossref...

NXP

Competitor Cross Reference Search for the Components on NXP website

Author 12/06/2022

NXP Cross Reference Provide a competitor’s part number and receive compatible NXP parts suggestions. Already know the NXP part you need? Use...

Texas Instruments

Competitor Cross Reference Search for the Components on Texas Instruments website

Author 12/06/2022

Texas Instruments Cross-reference search Search for equivalent TI cross-reference part information or upload your parts list to view data s...

OnSemi

Competitor Cross Reference Search for the Components on OnSemi website

Author 12/06/2022

OnSemi Competitor Cross Reference Cross Reference data provided by onsemi product specialists. https://www.onsemi.com/products/product-ser...

Infineon

Competitor Cross Reference Search for the Components on INFINEON website

Author 12/06/2022

INFINEON Infineon's cross reference search lets you easily find compatible devices to many competitor's devices for your design. ...

Gate Drivers Transformer

Pulse Transformer based Gate Drivers

Author 12/04/2022

In the NPTEL Lecture by : Prof. Shabari Nath Department of Electrical and Electronics Engineering Indian Institute of Technology Guwahati C...

MOSFET

Switching Regulator : Bootstrapping

Author 12/04/2022

A bootstrap circuit is needed when an Nch MOSFET is used for the high-side transistor of the output switch. Nowadays a number of power suppl...

Sensors Texas Instruments

Introduction to Hall-effect position sensing

Author 12/03/2022

Browse TI's portfolio of magnetic sensors here. https://www.ti.com/sensors/magnetic-s... This video introduces Hall-effect, permanent ...

Digi-Key LED Resistance

How to Select a Resistor for an LED - Another Teaching Moment | DigiKey Electronics

Author 12/03/2022

Light Emitting Diodes (LEDs) convert electrical energy into light energy and are the most popular devices used for status indication, visual...

MOSFET Nexperia

Understanding MOSFET safe operating area

Author 11/23/2022

Any MOSFET device turning on or off will need to go through linear mode, usually for a matter of nanoseconds. But for hotswap and soft start...

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