Clik here to view.
Help! My power supply unit is unstable – part 1
I’ve heard that there are at least seven reasons to eat, and only one of those reasons is hunger. In the same way, there are many reasons for switched-mode power supply (SMPS) instability, and only one...
View ArticleClik here to view.
Transform the way you charge your devices with USB Type-C and PD
Nowadays, we see more and more electronics with USB Type-C™ and USB Power Delivery (PD) ports on the market. They range from cellphones, laptops and power banks to drones, power tools, and smart home...
View ArticleClik here to view.
How to approach a power-supply design – part 3
In the second installment of this blog series, I discussed how to choose the best-fitting topology from the parameters of your power-supply specification. In this third installment, I’ll describe...
View ArticleClik here to view.
The story behind "Fundamentals of Power Supply Design"
I joined Texas Instruments in July 2003, working in marketing for power management. During my first week on the job, my boss introduced me to Bob Mammano like this: “Tim, I’d like to introduce you to...
View ArticleClik here to view.
LDO basics: noise – part 2
In my last blog, LDO basics: noise – part 1, I discussed how to lower output noise and control the slew rate by using a capacitor in parallel with the reference voltage (CNR/SS). In this post, I’d like...
View ArticleClik here to view.
Display Power: Why TFT LCD needs Temperature Compensation
If you ever had the pleasure to design the bias supply for a Thin Film Transistor Liquid Crystal Display (TFTLCD) module and you used the appropriate part from TI then you may have run into the...
View ArticleClik here to view.
A smart solution to sequence and monitor multiple power rails in a system
Electronic systems that include a central processing unit (CPU), digital signal processor (DSP), microcontroller (MCU), field-programmable gate array (FPGA) or application-specific integrated circuit...
View ArticleClik here to view.
Powering the smart home with a simple charger
Advancements in wireless connectivity and low-power embedded processing technology have enabled new applications for smart homes and buildings. Of course, most smart home systems have a control panel...
View ArticleClik here to view.
Are you on-board? Demystifying EV charging systems
Electric vehicles (EVs) are an unavoidable topic when discussing modern transportation. Coming from Germany, a country that takes pride in their automotive history, the EV market is growing fast. I...
View ArticleClik here to view.
Making a solar inverter more reliable than the sun
Like most people on a wicked hot sunny day, all I can think about is how to beat the heat, which more often than not involves hiding in an air-conditioned room in my home. Later – on almost always a...
View ArticleClik here to view.
How to use a boost bypass as the pre-regulator in a smartphone
A typical power source for a portable device like a smartphone is a single lithium-ion battery. With the development of silicon anode material and maximizing the battery energy as much as possible, the...
View ArticleClik here to view.
Help! My power supply unit is unstable – part 2
In the first installment of this series, I stated that there are many reasons for switched-mode power supply (SMPS) instability, only one of which is that the control loop has insufficient gain or...
View ArticleClik here to view.
Power topology choices for power-hungry devices
It is hard to choose a power topology for a wireless design when there are so many power-management integrated circuits (IC) out there. It may be hard to tell where to start, so I always start at the...
View ArticleClik here to view.
Another chance to catch the 2016/2017 Power Supply Design Seminar
For nearly four decades, the Texas Instruments Power Supply Design Seminar has brought in-person training from power-supply experts directly to customers.For each seminar, we carefully choose topics...
View ArticleClik here to view.
Decoding power module derating curves
As electronics get smaller and smaller, power-supply designers must consider thermal limits when designing their power supplies. A smaller power supply is not useful if it cannot operate at a heavy...
View ArticleClik here to view.
Create a power supply for a MRI application
Magnetic resonance imaging (MRI) uses a large magnet and radio waves to look at organs and structures inside your body. There are a number of challenging design requirements when designing a power...
View ArticleClik here to view.
Extra tricks to increase battery life
In my previous blog post, “Power topology choices for power-hungry devices,” I discussed power topology choices to help conserve battery life. Today, I want to discuss other ways to extend battery life...
View ArticleClik here to view.
How to correctly layout a 40A power supply: copper, vias and loop path
The demand for energy has gone up significantly but overall solution size continues to shrink. To adapt, you can decrease the size of a buck converter but it must still be able to handle the...
View ArticleClik here to view.
Unique techniques to increase controller power
The better you understand a tool, the more powerful it becomes.One example of this is the Tektronix 576 curve tracer. At first glance, it looks like a machine that only measures a three-terminal...
View ArticleClik here to view.
Crafty idea: Create a 150V non synchronous buck solution with a lower Vin...
Many applications today require an input-voltage rating beyond the VIN max ratings of many DC-to-DC controllers. Traditional options include using expensive front-end protection or implementing a...
View Article