Latest LED Drivers Technical Articles

With the help of SPICE simulations, we examine two types of power dissipation that occur when BJTs are used as switches.

With the help of SPICE simulations, we examine two types of power dissipation that occur when BJTs are used as switches.

Current sources are less familiar than voltage sources like batteries and AC wall power. Current sources usually are…

Current sources are less familiar than voltage sources like batteries and AC wall power. Current sources usually are buried, unseen, inside electronic circuitry. Learn what they are and how they are designed.

Learn more about the design considerations that go into developing adaptive automotive lighting solutions.

Learn more about the design considerations that go into developing adaptive automotive lighting solutions.

This article, part of AAC’s Analog Circuit Collection, shows you how linear voltage regulators can also be handy in…

This article, part of AAC’s Analog Circuit Collection, shows you how linear voltage regulators can also be handy in constant-current applications.

ICs such as the BCR401U provide high-quality control of LEDs for applications that require something better than the…

ICs such as the BCR401U provide high-quality control of LEDs for applications that require something better than the typical series-resistor arrangement.

Tracking an infrared light source is not as difficult as you might think; a 14-pin PICAXE, a stepper motor with a driver…

Tracking an infrared light source is not as difficult as you might think; a 14-pin PICAXE, a stepper motor with a driver IC, three phototransistors, and a few other components will do the trick.

When you have multiple LEDs with a common anode or common cathode, can you use just one current-limiting resistor?…

When you have multiple LEDs with a common anode or common cathode, can you use just one current-limiting resistor? Let’s take a look.

In part 2 of the LED saber project, we'll assemble the power and audio systems.

In part 2 of the LED saber project, we'll assemble the power and audio systems.

This technical brief discusses the reasoning behind and implementation of constant-current drive circuitry for illuminating LEDs.

This technical brief discusses the reasoning behind and implementation of constant-current drive circuitry for illuminating LEDs.

All you need to know about LED arrays. If you want to learn about them, drive one using an Arduino, or build them, this…

All you need to know about LED arrays. If you want to learn about them, drive one using an Arduino, or build them, this is the place to start.

Build a generator-powered LED headlight for a longboard for very cheap.

Build a generator-powered LED headlight for a longboard for very cheap.

This analog design allows your LEDs to respond to your music. Just plug your music source into this which sends a channel…

This analog design allows your LEDs to respond to your music. Just plug your music source into this which sends a channel to your sound system and some LEDs.