Bipolars provide safe latch-off against opto
Bipolars provide safe latch-off against opto failures
02.20.2024 Circuits

A typical SMPS uses a reference voltage and an optocoupler to regulate the output voltage. The optocoupler carries the isolated information from the secondary side to the primary nonisolated side and ensures proper output regulation...

Switching regulator provides plusmn 15 output
Switching regulator provides ±15 V output from an 8 V to 40 V input without a transformer
02.19.2024 Circuits

Many systems derive ±15 V supplies for analog circuitry from an input voltage that may be above or below the 15 V output...

Vishay Intertechnology new proximity sensor offers
Vishay Intertechnology's new proximity sensor offers idle current down to 5 μA in compact 2.0 mm x 1.0 mm x 0.5 mm SMD package
02.16.2024 News

The Optoelectronics group of Vishay Intertechnology introduced a new fully integrated proximity sensor designed to increase efficiency and performance in consumer applications...

Multiple power supplies fortify high-side gate
Multiple power supplies fortify high-side gate control
02.14.2024 Circuits

For a recent design project, a robust power supply was needed to control the gates of high-side FETs...

Sub-zero op-amp regulates charge pump inverter
"Sub-zero" op-amp regulates charge pump inverter
02.09.2024 Circuits

Avoiding op-amp output saturation error by keeping op-amp outputs “live” and below zero volts is a job where a few milliamps and volts (or even fractions of one volt) of regulated negative rail can be key to achieving accurate analog performance...

Power Integrations introduces InnoSwitch5 offline flyback
Power Integrations introduces InnoSwitch5 offline flyback switcher IC
02.08.2024 News

Zero-voltage switching flyback topology and advanced SR FET control enable 95 percent efficiency, reduce power supply size and component count...

Adapt single-coil relay driver dual-coil use
Adapt single-coil relay driver to dual-coil use
02.06.2024 Articles

Relays are common electromechanical devices in electrical circuits that come in two types: either latched or non-latched...

Industry only surface-mount resettable fuse rated
Industry's only surface-mount resettable fuse rated to 240 VAC now available from Bel Fuse
02.06.2024 News

Bel Fuse announced the industry’s only surface mount, PPTC resettable fuse, line-volt-rated to 240 VAC...

plusmn 5V converter uses off-the-shelf surface
±5V converter uses off-the-shelf surface mount coil
02.05.2024 Circuits

Single-output switching regulator circuits can often be adapted to multiple output configurations with a minimum of changes, but these transformations usually call for custom wound inductors...

Direction detector doubles as decoder
Direction detector doubles as decoder
02.01.2024 Circuits

Fig 1’s circuit, which was developed to monitor the traffic of bumblebees into and out of the hive, differentiates “a-to-b” motion from “b-to-a” motion...