Handling Unused Op Amp or Comparator Pins

Guidance on terminating unused op amp sections and comparators to avoid floating inputs: use voltage followers to set inputs to ground or VCC/2.

Silicon Carbide Power Devices: Properties and Principles

Review of silicon carbide (SiC) power devices covering principles, key characteristics, applications and challenges for high-efficiency power electronics and energy conversion.

Efficient Interconnects for SiC Power Devices

Analysis of silver sintering and copper wire bonding for SiC power devices, comparing sintering methods, substrate surface effects and thermal-shock impact on reliability.

IGBT Switching Process and Driver Design Factors

Technical analysis of IGBT switching with diode?clamped inductive load: interval-by-interval turn-on/turn-off waveforms, diode recovery, tail current, and driver requirements.

Why Paralleling Schottky Diodes Is Not Recommended

Overview of Schottky diode characteristics and usage notes, including forward voltage, reverse leakage behavior, and why paralleling identical diodes risks unequal current sharing.

Derating Guidelines for Power Supply Components

Practical derating guidelines for power-supply components: rules, accelerated-test models, and component-specific limits (ICs, capacitors, MOSFETs, resistors) for reliability.

Crystal Growth Methods for Lowering SiC Substrate Costs

Technical overview of silicon carbide substrate production comparing PVT, liquid-phase and HTCVD crystal growth methods, challenges and advances in scaling low-defect wafers.

Nine Essential Circuit Modules for Hardware Engineers

Summarizes nine standard circuit design modules - power module, IO, op amp decoupling, high-speed termination, ground return, test points - to improve PCB design reliability.

Hidden Pitfalls of Inverting Input Amplifiers

Explains how an inverting amplifier's low input impedance (equal to Rin) and source internal resistance reduce closed-loop gain, causing gain error and instability.

MOSFET Gate Circuits and PNP Turn-off Driver

Technical overview of MOSFET gate functions and drive implementations, including direct drive, external drivers, speed?up diode, PNP turn?off, floating and isolated drives.