60W LED Dimmer for 12V LEDs using 555 Timer
Led

60W LED Dimmer for 12V LEDs using 555 Timer

The project shown here is a cheap 60W LED dimmer for 12V LEDs/12V LED strips. The circuit is based on the very popular, versatile, and low-cost 555 timer IC, NE555 IC generates a PWM signal and IRF540 MOSFET works as output driver for the LEDs. In this circuit the 555 IC used in an...

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Maxim Integrated MAX17623/MAX17624 Evaluation Kits
Power supply

Maxim Integrated MAX17623/MAX17624 Evaluation Kits

Maxim Integrated MAX17623/MAX17624 Evaluation Kits is configured to evaluate the MAX17623/MAX17624 Step-Down Converters' operation. The MAX17623/MAX17624 Step-Down Converters are part of the Himalaya series of products that enable cooler, smaller, and simpler power supply solutions. The...

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Smart RGB LED Light Stick – Arduino Compatible
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Smart RGB LED Light Stick – Arduino Compatible

This is a Smart LED light stick that contains 20 x WS2812B single wire addressable full colors RGB LEDs and Atmega328 microcontroller. These full colors chainable intelligent RGB LEDs work with a single wire addressable protocol thus they require a micro-controller to generate the pulse...

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PWM Module with Dual Source/Sink Outputs using SG3525
Timer

PWM Module with Dual Source/Sink Outputs using SG3525

SG3525 PWM module is a great tool for every hobbyist. This circuit can be used in various applications such as switching power supply, DC-DC converter, DC motor speed controller, LED dimer, High voltage power supply, solenoid driver, and electronic DC load.  This low-cost pulse width...

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E522.48 – 16 channel automotive LED driver with bus interface
ICLed

E522.48 – 16 channel automotive LED driver with bus interface

The E522.48 is a multi-channel PWM driver for e.g. light application. It provides 16 current sinks with integrated 10bit PWM generator for each channel. Each of the drivers can digitally be configured to drive up to 100mA with a selectable slew rate. The device supports I²C bus...

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Smart LED Dimmer Controlled via Bluetooth
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Smart LED Dimmer Controlled via Bluetooth

Author: Anas Ajaj for Dialog Semiconductor Introduction This article describes how to build a smart digital dimmer. A dimmer is a common light switch that is used in houses, hotels and many other buildings. Older versions of dimmer switches were manual, and would typically incorporate...

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12W Dimmer with Soft Start for 12V LEDs
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12W Dimmer with Soft Start for 12V LEDs

The circuit presented here is a LED dimmer with a soft-start function. The board can drive a LED up to 12W and the circuit can manage a load up to 1A continuous with 12Vsupply. The circuit is built using SG3525 PWM IC and the IRFR120 MOSFET, SG3525 generates the PWM, and IRFR120 MOSFET...

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VIPER222 – high voltage MOSFET with a PWM control
IC

VIPER222 – high voltage MOSFET with a PWM control

The VIPER222 device is a high performance high voltage converter that combines a 730 V rugged power MOSFET with a PWM control. The device embeds the high voltage startup and the current sense circuit, avoiding the use of extra components in the BoM. Frequency jittering spreads the EMI...

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