The battery monitor circuit in Figure 1 can be very helpful for any portable equipment powered by two 9-V batteries. When both batteries are in good health, an LED produces short bursts of light every ...

“snapVCC eliminates this additional circuit by putting the regulator right on top of the 9V battery.Also, since snapVCC uses a buck converter, it’s more efficient than using a linear regulator.

Most commercial LED flashlightsuse three AAA or AA batteriesin series that produce 4.5V. The batteriesthen drive four white LEDs that connectin parallel. These LEDs can workat voltages as low as 2.7V ...

New GP-RS26P and GP-RS35P LED Drivers for indoor lighting solutionsTaipei, Taiwan – GlacialPower, a division of Taiwanese technology manufacturer, GlacialTech Inc., is pleased to announce two new ...