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How to Apply AC Rectifiers When Designing PoE PD Devices

May 12, 2020
Legacy PoE systems tend to use various polarities of the power supply voltage, and could employ crossover cables. Bourns has a simplified solution. Get tips for choosing bridge diodes in PoE powered devices.

PoE powered devices need to accommodate multiple types of connections and supply polarities. Bourns’ app note outlines how to use AC rectifiers in these devices. Learn the two best Ethernet system installation solutions used in legacy systems.


A Deep Dive into Audio Jack Switches and Configurations

The audio jack is an industry-standard connector that has many potential uses in addition to providing basic audio connectivity.

What is the Most Effective Way to Commutate a BLDC Motor?

Brushless direct current electric motors, or BLDC motors for short, are electronically commutated motors powered by a dc electric source via an external motor controller. Unlike...

MEMS versus ECM: Comparing Microphone Technologies

Increasing numbers of devices utilize microphones to capture sound. Two of the most commonly used microphone technologies are MEMS and ECM.

A Designer's Guide to Lithium (Li-ion) Battery Charging

This designer's guide helps you discover how you can safely and rapidly charge lithium (LI-ion) batteries to 20%-70% capacity in about 20-30 minutes.