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Power management
Technical solutions, industry trends and insights for designing and managing your power supplies.
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Thomas Regan
Jul 21, 2020
Meet airline restrictions with power-path control for dual batteries
With the Federal Aviation Administration restricting the size of batteries allowed on airplanes, it can be challenging to design applications with batteries down to 100 Wh. Some companies design applications using two small batteries instead of one t...
Allie Zhang
Jul 16, 2020
Overcoming challenges for backlight LED drivers in automotive display solutions
High resolution and seamless operation are important for larger automotive display screens, shown in Figure 1, as consumers want a clear picture with smooth functionality. Given the harsh environments in vehicles, system reliability and safety are al...
Sree Alvarado
Jul 14, 2020
Simplifying radiation-hardened power-supply design with eFuses
Today’s satellites use complex, high-power field-programmable gate arrays (FPGAs) and processors, challenging power-supply design engineers to create robust power supplies. Many designers end up with complicated designs meant to achieve redundancy (the duplication of critical components to increase reliability), involving dozens of discrete components...
Helen chen
Jul 9, 2020
Ease power-supply design for USB PD applications with buck-boost converters
USB technology has evolved – from a data interface capable of supplying limited power to a primary power source with an interactive data interface. Today, many devices charge or get their power from USB ports contained in laptops, cars, aircraf...
Yipeng Su
Jun 29, 2020
Maximize power density with buck-boost charging and USB Type C™ Power Delivery
The buck-boost charger has become increasingly popular in recent years given its ability to charge a battery from nearly any input source, regardless of whether the input voltage is higher or lower than the battery voltage. One critical benefit of th...
Upal Patel
Jun 26, 2020
Universal and fast charging – a future trend for battery-powered applications
Today’s “always-on” consumer wants to charge their portable electronics wherever they are. For example, it’s common to see travelers charging their cellphones, laptops and headphones while waiting to board a flight or hop on a...
Alan Lee
Jun 23, 2020
5 questions to ask when designing with rechargeable batteries for personal care products
Beauty and personal care products have traditionally been designed with a traditional AC power supply. Therefore, every time consumers use such products, they need to be close to the wall, and any movement and power is restrained by the length of the...
John Wallace1
Jun 22, 2020
What type of ESD protection does your MOSFET include?
Power metal-oxide semiconductor field-effect transistors (MOSFETs) use a thin oxide to isolate the gate electrode from the active area of the transistor. Much like the MOSFET structures used in the fabrication of microprocessors, a power MOSFET gate ...
Jim Perkins
Jun 18, 2020
Understanding and managing buck regulator output ripple
Dan Tooth co-authored this technical article Your new design needs to fit twice as much into half the space and cost nothing – sound familiar? You selected the smallest point-of-load regulator and generated the tightest layout you could with th...
Timothy Hegarty
Jun 2, 2020
How to raise regulation performance with a stacked-output PSR flyback DC/DC converter
For low-power isolated designs that require an extended product life cycle, such as gate-driver bias for automotive traction inverters , or 4- to 20-mA loop sensors in field transmitters for factory automation applications, many designers choose to le...
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