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Articles 56 Last updated 2026-09-19 Sources: Elecfans, China Electronics News and others
Full-SiC Design for an 18.4kW Three-Phase Input, 52V Compute Power Module

A full silicon-carbide design has been published for an 18.4kW three-phase input, 52V output power module for compute racks. This is the highest-volume class of compute power supply and also the most easily overlooked: industry discussion is almost entirely ab

Power & Power DevicesElecfans
Full-SiC Design for a 110kW 3RU Compute Power Shelf

A full silicon-carbide reference design has been published for a 110kW, 3RU power shelf for compute racks. A shelf aggregates several supply modules into one high-density unit, so the PFC, DC-DC and output stages all run at high current.

Power & Power DevicesElecfans
How Reed Relays Protect High-Voltage Insulation Safety in BESS

As battery energy storage systems move to higher voltage architectures, insulation monitoring has shifted from a compliance checkbox to a core safety function. Systems can run at 1,000 to 1,500VDC or above, and reed relays are used in the insulation detection

Power & Power DevicesElecfans
Japan Aims to Build Chips on the Moon by 2040

Rapidus president Atsuyoshi Koike has floated the idea of building a semiconductor fab on the Moon around 2040, with IBM providing technical support.

Chips & SemiconductorsElecfans
Rockchip RV1126B Panoramic Stitching (AVS)

This walkthrough demonstrates panoramic stitching (AVS) on an EASY-EAI-Nano-TB board using two MIPI-CSI cameras, comparing blended and non-blended output.

End ApplicationsElecfans
Rockchip RV1126B Display Subsystem

This article introduces the EASY-EAI-Nano-TB evaluation board using the DRM (Direct Rendering Manager) framework to let multiple applications share a single display.

End ApplicationsElecfans
555 Timer: Why the Output Flips Before the Capacitor Is Fully Charged

Many people assume the 555 timer waits for the capacitor to charge fully. It does not — it waits for a threshold crossing. Inside the classic 555, three equal resistors set comparison thresholds at roughly one third and two thirds of the supply voltage, and th

Passive ComponentsElecfans
Hot-Swap Protection for DC/DC Converters Using Damping Resistors

In a power converter, input capacitors connect to the supply through cabling with parasitic inductance. On first insertion — a hot-swap event — that inductance causes input ringing that can approach twice the DC input voltage.

Passive ComponentsElecfans
Drive Notes #41: Why Does I2C Need Pull-Up Resistors?

I2C uses just two wires — SDA for data and SCL for the clock — with start conditions, addressing, ACK and stop conditions completing a transfer. So why are pull-up resistors mandatory?

Passive ComponentsElecfans
Power-Type NTC Thermistors Explained

A power-type NTC thermistor is a semiconductor resistor whose resistance changes sharply with temperature — that is where the name comes from.

Passive ComponentsElecfans
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