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Power management
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eric yao
Jul 17, 2019
Layout matters: solving pinout assignment issues for DC/DC converters in WCSP packages
The miniaturization trend in consumer electronics has taken hold for good. Consumers are demanding smaller electronics with better features: more flash capacity in solid-state drives, faster smartphones, more integrated communication modules, etc. To achieve this, engineers must look for increasingly power dense solutions. One challenge associated with...
Chris Glaser
Jul 15, 2019
Do all rails need low Iq?
All designers of ultra-low power systems are concerned about battery life. How much time will elapse before the battery in a fitness tracker will need recharging? Or, for primary cell systems, how long will it be before a technician must service the smart meter and change the battery? Clearly, the design goal is maximum battery runtime. For a fitness...
Dorian Brillet de Cande
Jul 15, 2019
Deciphering low Iq: Using WEBENCH® to design near 100% duty-cycle for ultra-low power applications
Many battery-powered applications require a step-down buck converter to work in 100% duty-cycle, where V IN is close to V OUT , in order to extend battery run time when battery voltage is at its lowest value. For example, let’s say that there are two lithium manganese dioxide (Li-MnO 2 ) batteries powering a smart meter. Li-MnO 2 batteries are...
Matthew Xiong
Jun 27, 2019
Optimizing power density with eFuses
Do you still remember what it was like have dial-up internet? If not, here’s an audio snippet that may jog your memory ! It was only a few years ago that you had to wait 10 minutes for someone to get off the phone before you could log in to your AOL Instant Messenger account, which probably took another five minutes with the typical 40-kbps transfer...
Brittney Stone
Jun 26, 2019
Changes to Power House
Thank you for following our company’s Power House blog. This week, we are refreshing the look and structure of the technical blogs on the TI E2E site to simplify how to find and select the relevant content for your interests. Moving forward, you will find the content under the category of “technical articles” rather than “blogs...
Artem Rogachev
Jun 25, 2019
How to reduce the size of your 13-W PoE PD solution
You just got a big product out the door and are enjoying some well-deserved downtime when your product manager decides to swing by. Surprise, surprise: he wants the next-generation product to have more features and a smaller form factor. Luckily, you may be able to squeeze out some area from your Power over Ethernet (PoE) powered device (PD) solution...
Adi Kuroodi
Jun 24, 2019
Minimizing input power protection for smart speakers and smart displays
Smart speakers continue to enhance our homes with cutting-edge voice-recognition artificial intelligence and premium sound quality. When paired with other home automation devices – such as video doorbells, lighting systems, thermostats and security systems – smart speakers and smart displays are fast becoming the control hub for a smart...
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...
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