TT Electronics has introduced a compact, infrared LED emitter with the industry’s largest spot diameter of 7mm for super-reliable optical sensing and position encoder applications. With up to 10mW total radiated power at the maximum drive current of 100mA, and 2.25° angle of half intensity, the OP207CL couples optical flux extremely efficiently onto the receiving photo-sensor […]
Power Components
Surface-mount inductors designed for LED lighting applications
Signal Transformer, a Bel group company and global manufacturer of custom and standard transformers, chokes, inductors, transformers and SMD inductors, announce their new SCIH1040HC and expanded SCIHP1367, SCIHP1350, SCIHP1338, SCIHP0718 and SCIHP0724 Series of Surface Mount Inductors (SMD) for Lighting Applications. These new series of SMD Inductors for Lighting complement existing Signal Series SMD SCRH5D28, […]
Optocouplers, Part 1: Principles and usefulness
The optocoupler — also called an optoisolator — is among the most useful, versatile, problem-solving components available to the design engineer. This small non-monolithic device does one thing and does it well, with minimal complications in most cases and no software. This FAQ will look at the operation principles, key parameters, and applications of this […]
Connected vehicles will make their connections through gallium nitride
The high performance of many autonomous automotive features will likely depend on the use of super-fast GaN semiconductors. Alex Lidow, Efficient Power Conversion (EPC) WITH the rise of autonomous cars and electric propulsion as driving forces in automotive applications, a huge new market for power devices based on gallium nitride grown on a silicon substrate […]
Digital isolator IC works at 200 Mbps with low power consumption
To better protect industrial systems from the dangers of high-voltage signals, equipment designers can now turn to the new robust and reliable MAX22445 5kVRMS four-channel reinforced digital isolator from Maxim Integrated Products, Inc. Delivering up to 2x greater throughput at 4x lower consumption versus competing solutions, the MAX22445 provides reliable communication across the isolation barrier to ensure safe operation of compact industrial, […]
What are diodes? A quick refresher
A diode is a passive component made with semiconductor materials (a chip) that conducts current flowing in one direction but does not conduct current flowing in the opposite direction. The symbol for a diode (to the right in Figure 1) looks something like an arrow pointing in the direction of the forward current. Current flows […]
Demo: Gate drivers and eGaN transistors on the same chip
We recently did a short video with Alex Lidow from EPC who took us through a demonstration of a gate driver integrated onto the same chip as eGaN transistor. Driving the gate of the power transistor is complicated because of the parasitic elements. Lidow explained that eGaN transistors switch in a nanosecond or less, and […]
SiC MOSFETs, diodes are automotive AEC-Q101 qualified, PPAP capable
Wolfspeed announces E-Series, a new family of robust SiC semiconductor devices for the Electric Vehicle (EV) and renewable energy markets that delivers the highest available power density and durability for on-board automotive power conversion systems, off-board charging, solar inverters and other outdoor applications. Wolfspeed’s E-Series family is the first commercial family of SiC MOSFETs and diodes to be […]
Surge current flat-chip resistor sports wide side electrodes
KOA Speer Electronics announces its new WG73 wide terminal type surge current flat chip resistor available in a 1020 package with a 1Watt power rating. The WG73 resistor is superior to KOA’s WK73 series in pulse withstanding voltage. The anti-surge WG73 features a T.C.R. of ±100ppm/°C, a resistance range of 560mΩ ~ 1KΩ, a standard tolerance of […]
SuperCool thermoelectric assembly increases cooling performance by up to 60%
Laird has launched a hhigh-performance thermoelectric assembly (TEA) series for indoor lab environments that offers a higher cooling performance per unit volume than competing systems. The SuperCool Series TEA features a unique hot side air heat sink design that dissipates heat more efficiently than competing heat exchanger technologies. Utilizing optimized thermoelectric modules (TEMs) in combination with a […]