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Matt Sunna
Jun 13, 2019
Protector, monitor or gauge – selecting the correct battery electronics for your Li-ion-powered system
Lithium-ion batteries have high energy density and a long cycle life; they also lack the memory effect of other technologies. Such characteristics make them attractive for portable electronic systems. But lithium-ion batteries also need to operate wi...
John Wallace1
Jun 6, 2019
Choosing the right SOA for your design: discrete FETs vs. power blocks
In power semiconductors, design engineers use the safe operating area (SOA) to determine whether it’s possible to safely operate a device such as a power metal-oxide semiconductor field-effect transistor (MOSFET), a diode or an insulated-gate bipolar transistor (IGBT) at current and voltage conditions in their application without causing damage...
Gloria Kim
May 30, 2019
Current sensing in battery management systems
While driving through cities across the world, it’s impossible not to notice the emerging presence of hybrid electric vehicles (HEVs) and electric vehicles (EVs). With the rapid growth of HEVs and EVs in the automotive market, systems such as b...
Kathrina Macalanda
May 29, 2019
Hit the brakes on discrete LED circuit designs
In automotive lighting such as turn lights, brake lights and tail lights, LED circuit designs typically implement discrete components like bipolar junction transistors (BJTs). Discrete components are prominent for a few common reasons: they’re ...
Vental Mao
May 9, 2019
How to choose a DC/DC converter for a storage application
Driven by the global cloud computing development and continuing construction of data centers, shipments of global storage equipment are experiencing explosive growth. As the key part of the storage equipment, the demands for DC/DC converters that power the storage equipment (solid-state drive [SSD] and memory) also show a relatively rapid growth trend...
Sree Alvarado
Apr 30, 2019
When failure isn’t an option: power up your next satellite with integrated functionality and protection
Satellite building is hard. Complex applications like communications, navigation and Earth observation demand insanely complex electrical and software engineering. With numerous sensors, field programmable gate arrays (FPGAs) and integrated circuits...
Arief Hernadi
Apr 26, 2019
Design a pre-tracking regulator, part 2: for a negative LDO
By Arief Hernadi and Frank De Stasi The first installment of this two-part series demonstrated how to create a tracking pre-regulator for a positive output low-dropout regulator (LDO) . In this installment, we’ll use a similar technique to create a tracking pre-regulator for a negative output LDO. This example will use the same LMR33630 evaluation...
Tristan Foro74
Apr 17, 2019
Improvements in solar power efficiency come from the smallest gate drivers
Climate change has been a subject of much debate the past 10-30 years, sparking political discussions on what types of regulations are necessary. In the short term, it’s significantly more expensive to develop a greener infrastructure that move...
Alan Lee
Apr 15, 2019
Battery-charging tips for video doorbell applications
Figure 1: Video-enabled doorbell Our homes are getting smarter and connecting to the internet with security cameras, thermostats, smart speakers and smart TVs. The video doorbell, seen in Figure 1, is another smart device gaining popularity, providing high-definition images and two-way audio communication so that homeowners can greet visitors from...
George10687
Apr 5, 2019
Minimize the impact of the MLCC shortage using D-CAP+™ control mode
As my colleague Yann said in an earlier blog , there is a growing shortage of multilayer ceramic capacitors (MLCCs), and the situation is likely to persist through 2020. MLCCs are used in almost every type of electronic equipment, due to their reliability and small footprint. Manufacturers are now looking to replace ceramic capacitors with polymer...
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