Articles - 16

The two-chip circuit in Figure 1 provides fan control and overtemperature warning and shutdown signals to protect systems from excessive heat. The circuit monitors the temperature of the pc board and the die temperature of a CPU, an FPGA, or ...

Resistive dividers attenuate high voltages down to a level that low voltage circuits can accommodate without getting overdriven or damaged. In power path control circuits, resistive dividers help set up power supply undervoltage and overvoltage ...

You sometimes need to measure a small signal in the presence of a large common-mode signal. Traditional instrumentation amplifiers that use two or three op amps in their internal structure find common use in these applications. The circuit in ...

Most handheld devices use alkaline or rechargeable batteries, and measuring the battery capacity is a crucial feature of such designs. Most of the time, however, using a battery level monitoring IC may be a luxury for budget-tight projects. Here is ...

Small-scale energy harvesting is often an attractive option for supplemental powering of devices having ultra-low power or low-rate/low duty-cycle needs, such as wearables, wireless IoT sensor nodes, and asset trackers. That’s because the ...

Source: tektonministries.org . LEDs are increasingly being used as energy saving light sources as a response to new energy regulations. They have decisive advantages over conventional lights: they consume less energy, have longer lifetimes, and are ...

In a synchronous, buck switching power supply, the two FETs and the output inductor meet at the phase node (Figure 1). The phase node often connects directly to the control IC. The voltage on this node swings from the input voltage to some voltage ...

Methods are more than difficulties It's hard-won to run an industrial company. What’s the reason? One is the bosses who have earned money quickly expand their business footprint not only focus on PCB, not delve into how to provide ...

We very often see flocks of birds perched in trees, on rooftops, on local power line wires, and even on radio antennas. Figure 1. Birds often perch on antennas. However, I have noticed that I never see birds coming to rest on high-tension power ...

Fuses are an essential part of many system designs, and we’ve come to depend on them since the earliest days of electricity. The basic concept of using a fusible link which self-heats due to current flow and then opens to cut off current flow ...