by Patrik Kalbermatten, KEMET Engineered composite cores have enabled inductor manufacturers to pack high inductance into a small volume. New FlakeComposite technology takes core performance to the next level, and adds extra mechanical resilience to enable new types of low-profile devices. Power inductors are crucial devices for managing the flow of energy in switching converters, […]
Standard amplifier functions in HEV/EV battery management systems
by Sanjeev Manadhar, Texas Instruments Hybrid electric vehicles (HEVs) and electric vehicles (EVs) are popular because they have low (to zero) emissions and fewer maintenance requirements while offering better efficiency and drive performance. New HEV/EV companies are emerging, while existing automakers are investing more in HEV/EV to compete for market share. The heart of the […]
Low-capacitance varistors target automotive Ethernet apps
TDK Corporation has expanded its lineup of multilayer varistors with the new AVRH10C101KT1R1NE8 for automotive Ethernet. Thanks to the extremely precise multilayer technology, the product features a low capacitance of just 1.1 ± 0.3 pF, ensuring signal integrity even at the high data rates of automotive Ethernet. With its IEC 1005 package (1.0 x 0.5 […]
High-isolation dc/dc converters output up to 20 W
TRACO POWER announces the release of their TRI Series of high voltage DC/DC converters featuring five power ranges. The 3.5, 6 and 10-watt models feature 7,071 VDC I/O isolation / 9,000 VDC peak isolation up to one second in the compact DIP-24 package. The 15 and 20 watt models feature 5,940 VDC I/O isolation / […]
Power amplifier IC tackles high-density power applications with 200V and 1A continuous current
The PA164 is a high voltage operational amplifier from Apex Microtechnology and is housed in a QFP style package with a monolithic amplifier core designed for high-density power applications. The PA164 has an output voltage of 200V and provides 1A of continuous current, 4A peak. Separate supplies for the amplifier core and the output stage […]
Non-isolated buck switchers provide high-voltage AC-DC conversion with low standby current
Diodes Incorporated (Nasdaq: DIOD) today announced the AP3917 family of universal AC-DC, non-isolated buck (step-down) power switchers for low-power applications, such as small appliances and IoT endpoints powered by an offline supply. Family members include the AP3917B (170mA nominal load), AP3917C (270mA), and AP3917D (370mA). The need for direct, non-isolated AC-DC conversion in a small […]
HIgh-current power inductors target automotive apps
Power management company Eaton today launched its automotive-grade HCM1AV2 product line of high current power inductors designed for the transportation market to address increased power conversion and filtering requirements. The HCM1AV2 is tested beyond AEC-Q200 Grade 1 requirements for added reliability and confidence desired by most automotive engineers. The robust molded construction makes HCM1AV2 ideal for high […]
Advanced circuit protection for connected autonomous vehicles
New protocols for high connectivity need robust protection for reliability and safety. James Colby | Littelfuse, Inc. At the turn of the century, automobiles hosted many electronic systems that were basically independent. Since then, the growth of connectivity and rise of artificial intelligence and machine learning have changed automotive electronics dramatically. Vehicles of all types […]
Keeping connected electronics cool with thermoelectric modules
Future connected vehicles are characterized by clusters of densely packed electronics. Thermoelectric modules can keep the temperature of these hot spots at manageable levels. Andrew Dereka | Laird Thermal Systems Advances in automotive electronics tend to come in small packages where dense circuitry squeezed into a pint-sized footprint generates lots of heat and thermal challenges […]
How bidirectional converters speed the design of dual-battery automotive systems
New standards for combined 48-V/12-V vehicles dictate stringent tests for overvoltages and currents that new converter ICs can help meet. Tony Armstrong | Analog Devices Inc. The 48/12-V automotive battery system is just around the corner. Most major automobile manufacturers have been perfecting such systems for past few years, and it is evident that their […]
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