Powering Flash Leds With A Supercap
#flash LEDs
#supercapacitor
#energy storage
#LED driver
#high-intensity lighting
#capacitor discharge
#portable lighting
#energy-efficient lighting
#rapid charging
#low-power lighting
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Powering Eight LEDs using TPS61042 Current LED Driver
The schematic diagrams for the TPS61042 current LED driver illustrate its capability to power eight LEDs with an efficiency of 81% at 3.6V and 18.6mA. The TPS61042 is commonly utilized in applications such as white LED supply for backlight and...
High Power Led Driver With Dimmer
This application note outlines the development and implementation of a Digital Weigh-Scale (DWS) utilizing Zilog's Z8 Encore! Microcontroller. The reference design provides a ready-to-use DWS solution that is easily scalable for measuring high-capacity loads. An external high-resolution Analog-to-Digital Converter (ADC)...
LED Driver: 6 Channels with Phase Shift Control
The ISL97676 can be utilized as an LED driver capable of managing six channels of LED current for TFT displays. This driver supports the operation of up to 78 LEDs with a voltage range of 4.5V to 26V, or up...
White LED Step-Up Converters with Schottky
The LT3465/LT3465A are step-up DC/DC converters designed to drive up to six LEDs in series from a Li-Ion cell. Series connection of the LEDs provides identical LED currents and eliminates the need for ballast resistors. These devices integrate the Schottky...
Random oscillator circuit for high power LEDs
A circuit is needed to drive three or more LEDs at a current of 200-350mA each, with the capability to randomly flash or strobe them at a frequency of 5-20Hz. The input power should be low-voltage DC, with a preference...
Discrete High Current Switch Mode LED Driver
This is a discrete high-current switch-mode LED driver circuit. The fundamental principle of this circuit is based on the buck-converter topology. The efficiency of this circuit is 80%.
The discrete high-current switch-mode LED driver circuit utilizes a buck converter configuration to...
10A High power led driver circuit design using LM3434
The LM3434 adaptive constant on-time DC/DC buck (step-down) constant current controller can be used to design a simple high-power LED driver application. The LM3434 provides a constant current for illuminating high-power LEDs. The output configuration allows the anodes of multiple...
Automobile White LED Light
A simple and safe white LED driver circuit has been designed for use in 12V automobiles, allowing for the efficient operation of standard high-efficiency white LED modules powered by automotive battery systems. The circuit utilizes a fixed voltage regulator IC...
Prototyping of White LED Drivers
The circuit illuminates a high-brightness LED even at a voltage of 0.8V if the battery can supply 93mA at this voltage. The average step-up efficiency from 0.8V to 1.5V is 75%, with a peak efficiency of 83% occurring around 1.1V....