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Posts Tagged ‘app note’

App note: USB Type-C protection and filtering

Sunday, July 15th, 2018

STMicroelectronics' solution for simplifying USB Type-C protection and filtering using transient voltage suppressors, common mode filtering and proper board layout. Link here (PDF) The USB interface has been present on the market for nearly 2 decades and thanks to that, nowadays it is quite obvious for everybody to connect electronic...

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App note: How to select the right thyristor (SCR) for your application

Sunday, July 15th, 2018

SCR fundamentals discussed in this app note from STMicroelectronics. Link here (PDF) This document provides some guidelines about how to select the right thyristor, also referred to as "SCR", according to the different applications. Some very specific cases could require a higher level of expertise to ensure reliable and efficient...

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App note: How to maintain USB signal integrity when adding ESD protection

Sunday, July 8th, 2018

Introducing the eye diagram method in this app note from ON Semiconductors in determining signal integrity of USB lines. Link here (PDF) The Universal Serial Bus (USB) has become a popular feature of PCs, cell phones and other electronic devices. USB makes data transfer between electronic devices faster and easier....

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App note: Low-side self-protected MOSFET

Sunday, July 8th, 2018

Integrated fault protected MOSFET app note from ON Semiconductors. Link here (PDF) The ever increasing density and complexity of automotive and industrial control electronics requires integration of components, wherever possible, so as to conserve space, reduce cost, and improve reliability. Integration of protection features with power switches continues to drive...

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App note: Capacitive sensing: Direct vs remote liquid-level sensing performance analysis

Sunday, July 1st, 2018

Capacitive liquid level sensing method comparison discussed in this app note from Texas Instruments. Link here (PDF) Capacitive-based liquid level sensing is making its way into the consumer, industrial, and automotive markets due to its system sensitivity, flexibility, and low cost. With using TI’s capacitive sensing technology, the system flexibility...

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App note: Measuring liquid levels using hall effect sensors

Sunday, July 1st, 2018

App note from Infineon on methods used in liquid level measurement and how contactless hall effect sensors are the right choice for the job. Link here (PDF) This application note is dedicated to liquid level sensing using non-contacting magnetic sensor technology. First, an overview of some liquid level sensor application...

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App note: Aluminum electrolytic capacitors design for long operational life

Sunday, June 24th, 2018

App note from KEMET on long life electrolytic capacitors. Link here (PDF) The service life for high quality power supplies and automotive power electronics is often limited by electrolytic capacitors' operational life (Lop). Very long life (> 20 years at temperature up to 75C) is possible to be achieved by...

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App note: Comparison of ceramic and tantalum capacitors

Sunday, June 24th, 2018

  App note from KEMET about the replaceability between ceramic and tantalum capacitors to each other. Link here (PDF) Ceramic capacitors have a multitude of dielectric types available and each of these types is characterized by their sensitivities to temparature, but not to voltage or time. This paper compares the...

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App note: Trends in integrated circuits that affect ESD protection requirements

Sunday, June 17th, 2018

A quick lookup on the ESD protection evolution of ICs in this app note from ON Semiconductor. Link here (PDF) The stunning progress in integrated circuit capability over the last 40 years is most succinctly expressed by Moore’s Law; “Every 2 years the number of transistors that can be economically...

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App note: Circuit configuration options for TVS diodes

Sunday, June 17th, 2018

Different TVS configuration usage app note from ON Semiconductor. Link here (PDF) Transient Voltage Suppression (TVS) protection is important because EMI and ESD can disturb the operation of the system, produce permanent damage or cause latent damage that will eventually cause a failure. Avalanche TVS diodes and diode arrays are...

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App note: How to select an ambient light sensor for your end equipment

Sunday, June 10th, 2018

Another application note from Texas Instruments about ambient light sensors and how to effectively use them. Link here (PDF) Generally, when someone thinks of trying to design a system with an ambient light sensor there are four main concerns or problems that need to be addressed. The most important features...

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App note: How to isolate signal and power in isolated CAN systems

Sunday, June 10th, 2018

CAN system isolation app note from Texas Instruments, Link here (PDF) With the increase in the usage of signal isolation in many industrial and automotive applications, the need for isolated power has also increased. The benefits of isolation are lost if the power supplies on either side of the isolation...

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App note: Detecting selfie sticks using TI audio jack switches TS3A227E and TS3A225E

Sunday, June 3rd, 2018

Old app note from Texas Instruments on smart phone selfie sticks button detection. Link here (PDF) Selfie sticks are becoming as common of a smart phone accessory as a pair of headphones. Because of the selfie stick’s increasing popularity, smart phone manufacturers need to be able to accommodate the accessory....

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App note: EMI-hardened operational amplifiers reduce inaccuracies

Sunday, June 3rd, 2018

EMI reduction built-in on op amps, app note from Texas Instruments. Link here (PDF) Operational amplifiers (op amps) with electromagnetic interference (EMI) filters can reduce significant errors. These types of errors are not always obvious to the system designers. They often impact the signal chain, in particular the analog-to-digital converter...

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App note: How to properly configure unused operational amplifiers

Sunday, May 27th, 2018

Good read app note from Texas Instruments about configuring unused op amps on multi amp chips. Link here (PDF) Multi-channel operational amplifiers (op amps) are often implemented in circuits that do not require the use of all channels. Undesired behavior in an unused amplifier channel can negatively impact system performance,...

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App note: Current sense amplifiers in class-D audio subsystems

Sunday, May 27th, 2018

App note from Texas Instruments about output current sensing in class-D amplfiers. Link here (PDF) Current sensing in audio subsystems are widely used in conjunction with CLASS-D amplifiers for diagnostics or to provide speaker current feedback to the DSP for speaker enhancement to emulate smartamp. The most expensive component in...

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App note: Pulsed Over-Current Driving of LEDs

Sunday, May 20th, 2018

App note from CREE on driving LEDs over its specified current capability. Link here (PDF) The Applications Engineering team at Cree is often asked whether it is safe to operate Cree XLamp® LEDs with pulsed currents above the maximum data-sheet rating. This question is usually asked in the context of...

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App note: Optimizing PCB Thermal Performance for LEDs

Sunday, May 20th, 2018

Application note from CREE on efficiently designing a conventional FR4 PCB to manage thermal heat and as a cheap alternative to metal core pcbs. Link here (PDF) One of the most critical design parameters for an LED illumination system is the system’s ability to draw heat away from the LED...

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App note: Avoidance of ceramic-substrate-based LED chip cracking induced by PCB bending or flexing

Sunday, May 13th, 2018

Application note from CREE on the causes of ceramic-substrate-based failures due to PCB board stresses and how to minimize their occurrence. Link here (PDF) Printed circuit board (PCB) bending and/or flexing is an unavoidable phenomenon that is known to exist and is easily encountered during electronic board assembly processes. PCB...

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App note: Power management solution – Constant Voltage (CV) pulse charging of hybrid capacitors

Sunday, May 13th, 2018

App note from Vishay about constant voltage (CV) pulse charging as the most cost-efficient solution to use on Hyrid capacitors. Link here (PDF) Rechargeable energy storage solutions are of high interest because of their flexibility, low maintenance requirements, and reduced cost over their life-cycle. For compact applications, classic electrolytic capacitors...

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