app notes

App note about end device security from Maxim Integrated, by adding DS28E40 Deep Cover 1-Wire authenticator to keep the system devices in-check. Link here The increasing electronic content in vehicles presents new...

A study and actual test using LTS (Low Temperature Soldering) on SMT devices from Nexperia. Link here (PDF) New generation Low Temperature Solder (LTS) pastes for Surface Mount Technology (SMT) is proposed for low...

Introduction and application of resistor equipped transistors from Nexperia. Link here (PDF) Bipolar transistors are controlled via the base current applied. Because of high temperature dependency of the voltage drop...

This app note from Bourns presents improvement in efficiency and reduce thermal rise using Litz wire for multi-output flyback transformers. Link here (PDF) Flyback transformers are a robust, highly efficient and...

An app note from Bourns on their high voltage isolation magnetics to monitor large energy storages. Link here (PDF) Energy storage systems are emerging as one of the potential solutions to increase system flexibility...

App note from Precision Microdrives experimenting on which is the best method to waterproof their vibration motors. Link here We have mentioned some interesting vibration motor applications which may benefit from being...

White paper from Renesas on using BFEs GPIO to control or monitor further battery status. Link here (PDF) In an MCU plus battery front end (BFE) controlled battery pack, GPIOs may operate as an alternate protection FET...

Fluke article on Hall Effect used on clamp meters. Link here Hall Effect clamp meters can measure both ac and dc current up to the kilohertz (1000 Hz) range. Like current transformer types, Hall Effect clamp meters use...

Basics of current loop App note from Murata, discussing the basic theory of the 4-20mA current loop operation. Link here (PDF) The 4-20mA current loop is a common method of transmitting sensor information in many...

An old App note for audio enthusiast from Analog Devices about Current-Feedback approach in audio power amps its designs and history by Mark Alexander. Link here (PDF) The subject of power amplifier design is one of...

App note from Precision Microdrives on new brushless motor design and how to drive them efficiently. Link here For a long time, all motors driven by DC supplies relied on using metal or carbon brushes to provide...

App note from Maxim Integrated on accurately measuring battery capacity by using battery monitors and fuel gauge plus software. Link here Determining the remaining charge of a Lithium-Ion cell accurately under real...

App note from Vishay on the changes to the load dump test condition and defines the maximum surge suppressing capability for Vishay load dump TVS series in these conditions. Link here (PDF) As more trucks and buses are...

App note from Maxim Integrated about adding additional current limiting circuit for their MAX38902 LDO. Link here Current limit in a LDO establishes an upper threshold for the current delivered. In a low dropout linear...

App note from Infineon about quad SPI, an enhanced SPI protocol that provides four times data throughput at higher frequencies. Link here (PDF) In order to manage the wide range of multimedia, graphics, and other data...

App note from IXYS about the pros and cons of different forward voltage drop of real shottky diodes. Link here (PDF) According to the thermionic emission model, pure Schottky barriers exhibit a forward voltage drop,...

Do and don’ts when mounting through-holes LEDs, app note from Vishay. Link here (PDF) Through-hole LED cases usually consist of epoxy casting compounds with duroplastic properties. It is in the nature of things that...