In designs using multiple LED strings such as brake lights, daytime running lights, rear lights and other automotive lighting applications, current-balancing circuits supply equal current to all LED ...

Author Mazi Hosseini describes a simple, low-cost, voltage-controlled current source using two op amps that provides a good range of current and maximum load. One challenge in circuit design is ...

Chandler, Ariz. –In the quest for the “perfect” op amp–in this case, meaning zero offset voltage, V os –several techniques are in use, including design topology and technique; process improvement; ...