Technical solutions, industry trends and insights for designing and managing power supplies.
    • 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 moves away from relatively cheap energy sources like fossil fuels. Government subsidies are designed to...
    • 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...
    • 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...
    • Apr 3, 2019

    4 Reasons why you should use a boost charger for 2-cell battery application

    (Note: Eric Zhao co-authored this blog post.) Finding the perfect battery charger integrated circuit (IC) for your portable electronic device design is not always easy, especially when you need a battery with more than one cell in series (1S) for hig...
    • Apr 3, 2019

    No avalanche? No problem! GaN FETs are surge robust

    We live in silicon-dominated world that shapes our thinking. I find it interesting to imagine an alternate universe where the gallium nitride (GaN) power field-effect transistor (FET) was developed before the silicon FET. Our power converters would c...
    • Mar 29, 2019

    Minimize the impact of the MLCC shortage on your power application

    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. While MLCC manufacturers are taking action to increase their production capacity, demand is still expected to outpace...
    • Mar 17, 2019

    How to make a simple nonmagnetic AC/DC power supply

    When creating an industrial power supply, one of the most common challenges is transforming the AC voltage supply into a DC voltage supply. Changing an AC voltage to a DC voltage is necessary for nearly every application, from charging cellphones to powering a microcontroller for a microwave. Typically, this conversion occurs through the use of a transformer...
    • Mar 14, 2019

    Replace your aging optocoupler gate driver

    Electric motors are used in elevators, food processing equipment, factory automation, robots, cranes … the list goes on. AC induction motors are common in such applications, and invariably, the insulated gate bipolar transistors (IGBTs) used ...
    • Feb 28, 2019

    20 million GaN reliability hours and counting

    "My advice is to get involved and get started,” — Jack Kilby About 20 million reliability hours ago, we built our first gallium nitride (GaN) application board in TI’s Kilby Labs. We watched the oscilloscope in anticipation an...
    • Feb 20, 2019

    Four-switch buck-boost layout tip No. 4: routing gate-drive and return paths

    Printed circuit board (PCB) layout design plays a critical role in achieving high performance for a four-switch buck-boost regulator. In earlier installments of this series , we discussed strategies for placing the regulator’s power components, ...