EDN

Circuit lets you measure zener voltages and test LEDs

To measure a zener diode’s breakdown voltage, you need a dc voltage source whose voltage exceeds that of the zener voltage. In Figure 1, resistor R SER provides voltage drop between V IN and V ZEN. In ...
Embedded

Analog design Tip: A Simple Circuit to Protect Against Open LED Faults

Lighting a string of LEDs at a constant brightness requires driving it with a regulated current. A boost converter is commonly used to step up the voltage to a level high enough to bias the LEDs on ...
Electronics Weekly

Protect your LED lighting circuits

Guest columnist Faraz Hasan, marketing and business development manager at Tyco Electronics Circuit Protection Products says that LEDs can require overcurrent protection despite built-in safety ...
EDN

The Nuts & Bolts of LEDs—Part IV

Editors’ Note: This segment is adapted from Chapter 2 of Power Supplies for LED Driving by Steve Winder. Since an LED behaves like a constant voltage load, it can be directly connected to a current ...
Business Wire

Automotive-Compliant Buck LED Drivers from Diodes Incorporated Provide Simple, Robust Solutions for Internal and Exterior LED Lamps

PLANO, Texas--(BUSINESS WIRE)--Diodes Incorporated (Nasdaq: DIOD) today announced the AL8843Q and AL8862Q automotive-compliant DC-DC buck converters, designed for driving single LEDs and multiple LED ...
Business Wire

65V, 2A Automotive-Compliant Synchronous Buck LED Driver From Diodes Incorporated for Lighting Applications With Comprehensive Protection and Fault Reporting

PLANO, Texas--(BUSINESS WIRE)--Diodes Incorporated (Diodes) (Nasdaq: DIOD) today announces the expansion of its automotive-compliant* LED driver portfolio by introducing the AL8891Q. This easy-to-use ...