Pickering Electronics has added a 5kV stand-off, up to 1.5kV switching version to its single-in-line Series 104 reed relay family. Previously, to achieve a 5kV stand-off rating, a larger, non-SIP (Single-in-Line-Package) relay was required. Four of … [Read more...]
1200 V SiC power MOSFETs now available in half-bridge packages
SemiQ Inc. has expanded its QSiC power modules portfolio with the introduction of a new series of 1200V silicon-carbide (SiC) power MOSFETs in half-bridge packages. Engineered and tested to operate reliably in demanding environments, these new … [Read more...]
Trigger alerts when Li-ion batteries get too hot
TTape from Littelfuse, a set of temperature-triggered switches, raises a bit that indicates hot batteries. Li-ion batteries can get hot, which can cause failures or worse in the products they power. Thus, it’s important to monitor their … [Read more...]
PIMs now available for power conversion stages in dc fast-charging and ESS applications
Today onsemi announced the availability of nine new EliteSiC Power Integrated Modules (PIMs) enabling bidirectional charging capabilities for dc ultra-fast electric vehicle (EV) chargers and energy storage systems (ESS). The silicon carbide-based … [Read more...]
MOV protects circuits from overvoltage and thermal protection
Bourns, Inc. announced its new Model 1220 TPMOV Series Surge Protective Devices (SPDs) that provide robust surge suppression in a compact PCB form factor. Featuring advanced built-in thermal protection capabilities, Bourns designed this latest SPD … [Read more...]
What plating options are available for high-power connectors?
Plating options are numerous and tend to fall into four categories: noble metals, passive metals, alloys, and dispersions. The first three categories are well established, while dispersions are just beginning to appear in response to the need for … [Read more...]
How does digital isolation contribute to sustainability?
In general, digital isolation can be implemented using capacitive, giant magneto restrictive (GMR), and magnetic technologies. The digitally isolated gate drivers used to drive silicon carbide (SiC) and gallium nitride (GaN) devices plus silicon … [Read more...]
Bidirectional power for EVs: Practical and creative opportunities using power modules
Given the coexistence of 400 V and 800 V EVs on the road, what options are there to harmonize these two distinct architectures? We all know the race is on for electrification, whether through government mandates and incentives or consumers … [Read more...]
What’s a digitally isolated transceiver?
Digitally isolated transceivers are available for industrial applications, electric vehicles, satellites, communications, data processing, and medical systems. They are available for specific protocols like control area network (CAN), RS485, RS422, … [Read more...]
Battery testing: critical to the rise of electric vehicles
When designing a battery into an EV, you must perform rigorous testing to understand a battery’s performance. Electric vehicles (EVs) accounted for 13% of global vehicle sales in 2022 and are forecasted to reach 30% of global vehicle sales by … [Read more...]
MCU controls two motors for use in A/C, e-bikes
Nuvoton Technology launched its KM1M4BF series MCU and KM1M7AF/KM1M7BF series MCUs designed for motor and power control in wide-ranging consumer, enterprise, and industrial applications, such as air conditioning, heat pumps, white goods, tools, … [Read more...]
Eval board simplifies design of fast charging applications
Silanna Semiconductor has unveiled an evaluation board that simplifies the design, testing, and prototyping of 65 W multi-port USB-PD and QC fast charging applications. Designed to deliver a real-life implementation when used with a front-end … [Read more...]
4 kW liquid-cooled dc-dc converter creates DC voltages in hybrid and EVs
Bel Fuse Inc. announced the release of the Bel Power Solutions 700DNG40-24-8, the second generation 4 kW liquid-cooled dc-dc converter. The unit creates DC voltages in hybrid and electric vehicles suitable to power low-voltage accessories, replacing … [Read more...]
Current sensors and current shunt monitors for common-mode voltages and temperatures
Texas Instruments debuted new current sensors to help engineers simplify their designs while improving accuracy. Designed for a broad range of common-mode voltages and temperatures, the new products include a lowest-drift isolated Hall-effect current … [Read more...]
MOSFETs for high-voltage ECUs feature EC7 co-packed diode with emitter-controlled design
Infineon Technologies AG expands its 7th generation TRENCHSTOP IGBT family with the discrete 650 V IGBT7 H7 variant. The devices feature a cutting-edge EC7 co-packed diode with an advanced emitter-controlled design, coupled with high-speed technology … [Read more...]
How many electric motors are in a vehicle?
The first gasoline vehicles had no electric motors. In contrast, today’s cars have tens of “invisible” motors with a range of power levels, sizes, and types. It’s not news that today’s vehicles, regardless of their motive power source, are packed … [Read more...]