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texasinstrumentsinc

Power Management ICs, part 2: PMIC implementations

November 27, 2018 By Bill Schweber

PMIC

The power management IC (PMIC) is often a vital part of the lower-voltage DC subsystem, as circuits have multiple power rails with tight individual specifications as well as mandated relationships among them. Part 1 of this FAQ discussed the need for, PMICs and their general characteristics. Part 2 now looks at specific ICs which implement […]

Filed Under: FAQ, Featured, Power Management Tagged With: analogdevicesinc, basics, FAQ, texasinstrumentsinc

Power Management ICs, part 1: PMIC functions

November 22, 2018 By Bill Schweber

The power management IC (PMIC) is often a vital part of the lower-voltage DC subsystem, as circuits have multiple power rails with tight individual specifications as well as mandated relationships among them. It’s one thing to develop needed low-voltage DC rails via DC/DC converters or regulators, but there’s also a need to manage these power […]

Filed Under: FAQ, Featured, Power Management Tagged With: analogdevicesinc, basics, FAQ, texasinstrumentsinc

Optimizing the energy efficiency of converters and controllers

November 20, 2018 By Lee Teschler

Here’s how to evaluate energy efficiency associated with components that make up widely used power conversion circuitry. FRANK DE STASI, MATHEW JACOB, TEXAS INSTRUMENTS INC. IN SOME WAYS, selecting a module, converter or controller for power conversion resembles deciding whether to take a flight, board a train, or drive from point A to B. Once […]

Filed Under: Controllers, FAQ, Featured, MOSFETS, Regulators Tagged With: FAQ, texasinstrumentsinc

FAQ: Piezoelectric motors, Part 2: drive circuits

September 24, 2018 By Bill Schweber

Unlike better-known electromagnetic motors, the widely used piezoelectric-based motor/actuator provides precise, repeatable linear motion over short distances, and requires a voltage drive rather than a current drive. Part 1 of this FAQ looked at the moving piezoelectric element of the actuator. Part 2 looks at their drive requirements, which are very different than those of […]

Filed Under: EV Engineering, FAQ, Featured Tagged With: analogdevicesinc, ansys, apexmicrotechnology, basics, FAQ, texasinstrumentsinc

FAQ: Piezoelectric motors, Part 1: actuators

September 22, 2018 By Bill Schweber

Unlike better-known electromagnetic motors, the widely used piezoelectric-based motor/actuator provides precise, repeatable linear motion over short distances, and requires a voltage drive rather than a current drive. When we think “motor”, we usually think of rotating motion or perhaps a special “linear motor” which is a rotary motor which has been rolled out flat. To […]

Filed Under: EV Engineering, FAQ, Featured Tagged With: analogdevicesinc, ansys, apexmicrotechnology, basics, FAQ, microchiptechnologyinc, texasinstrumentsinc

Load switches, Part 2: IC implementations and benefits

July 30, 2018 By Bill Schweber

Part 1 of this FAQ looked at the need for the load-switch function for a circuit’s DC rails, the basic implementation using a MOSEFT and driver, and the limitations of this approach. Part 2 looks at what are referred to as load switches, which in this context means ICs designed to implement the load-switch function, […]

Filed Under: FAQ, Featured Tagged With: basics, FAQ, texasinstrumentsinc, vishayintertechnology

Load switches, Part 1: Basic role and principle

July 25, 2018 By Bill Schweber

Load switches are used to enable/disable power to selected ICs or circuit subsections. Although they don’t get much attention, they are useful for both saving power as well as management of multiple power rails. This FAQ will discuss their function, basic design, advanced IC implementations, and additional benefits of IC load switches. Q: What is […]

Filed Under: FAQ, Featured Tagged With: basics, FAQ, texasinstrumentsinc, vishayintertechnology

Top power electronics stories of 2017

December 31, 2017 By Aimee Kalnoskas

power electronics

Here are the power electronics features that got the most interest from readers in 2017.         Teardown: Inside Ikea’s smart LED bulb As smart LED bulbs go, this one is pretty simple. It doesn’t incorporate any sort of smartphone app and can’t be controlled over the Internet, like some other smart bulbs […]

Filed Under: Featured, LED Lighting, MOSFETS, Power Management, Simulation, Wireless Tagged With: allegromicrosystems, infineontechnologies, onsemiconductor, texasinstrumentsinc

Solenoids and relays, Part 1

November 6, 2017 By Bill Schweber

solenoids and relays

Just hearing the words “solenoid” and “relay” may conjure up visions of an ancient electromechanical word, now largely replaced by all-electronic devices, smart motors, and more. That almost makes sense, as these two components in various forms have been with us for over 150 years. But don’t be fooled; both are still vital devices, and […]

Filed Under: FAQ, Featured Tagged With: basics, FAQs, texasinstrumentsinc

Dimming LEDs

May 5, 2017 By Bill Schweber

As the use of LEDs for area lighting has grown dramatically, with both the use of LED-based replacement bulbs as well as LED-based fixtures for new construction (called luminaires in the trade), the issue of dimming these LEDs becomes more critical. LEDs require a very different technique for dimming than the conventional legacy incandescent bulb. […]

Filed Under: FAQ, Featured, LED Lighting, Lighting Tagged With: basics, Bill Schweber, FAQ, onsemiconductor, texasinstrumentsinc

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