Circuits & Schematics ON Semiconductor - 6

51. Transistors Offer Overload Delay
    Christophe Basso
    Circuits Supply ON Semiconductor NCP1200
    Although an SMPS (switch-mode power supply) can protect itself against permanent short circuits, it sometimes has problems when dealing with transient overloads. Transient overloads are not short circuits but can push the power supply above its ...
    Jun 5, 2018
52. I2C interface has galvanic isolation, wired-OR capability, improved noise margin
    Circuits Analogue Design Interfaces ON Semiconductor FDV302P HCPL0600
    Michele Costantino EDN This Design Idea describes a simple and effective way to provide optoisolation for devices connected on the I 2 C bus (Figure 1). It improves on an earlier version (Reference 1). SDA and SCL are on the bus master’s side ...
    Apr 10, 2018

53. Bang-bang photovoltaic regulator needs no magnetics
    Circuits Supply Solar ON Semiconductor FDS6675
    Ausias Garrigos David Marroqui EDN Photovoltaic systems commonly include a means of energy storage batteries or supercaps to provide electricity to the load when sunlight is not available or during power transients. However, when feasible, ...
    Dec 28, 2017
54. Solar-powered motor runs on 10 nA
    Circuits Supply Solar ON Semiconductor 2N4401 2N4403
    Stepan Novotill EDN Designs for solar-powered applications with low-duty-cycle requirements can often rely on capacitors for energy storage in place of less reliable batteries. Typical applications include solar positioning, telemetry transmitters, ...
    Nov 7, 2017
55. Digital Potentiometer Programs and Stabilizes Voltage Reference
    Chuck Wojslaw
    Circuits Supply ON Semiconductor CAT5113
    The potentiometer portion of a mixed-signal, digitally programmable potentiometer adds variability to an analog circuit, and its digital controls provide programmability. You can use a digital potentiometer in two ways in an analog circuit. You can ...
    Sep 19, 2017
56. One wire controls LCD module
    Rex Niven
    Circuits Interfaces Microcontrollers Usage ON Semiconductor CD4538
    The ubiquitous LCD (Figure 1) (and VFD) modules based on the HD44780 controller IC can require up to 12 lines from the host. Figure 1. A typical LCD module. This hardware interface Design Idea (Figure 2) reduces the connection to just one wire, ...
    May 24, 2017
57. How to make your own electronic clock in retro style
    Circuits Microcontrollers Usage ON Semiconductor MC34063A
    Čestmír Hýbl elbastl.sweb.cz Introduction Some time ago I was poking in my box of old components. I was searching something else, but I stopped when a few of nixies came up into my hand. Once upon a time (a long, long time ago) I ...
    Apr 26, 2017
58. Buck-boost regulator suits battery operation
    Circuits Supply Power ON Semiconductor MC33166/7
    Kahou Wong, On Semiconductor EDN A buck/boost converter can step a voltage up or down. Such a converter is appropriate for battery-powered applications. One application derives a regulated 14.1 V at 1 A from 12 V solar panels with 9 to 18 V ...
    Mar 14, 2017
59. Versatile Voltage-to-Pulse Train Converter Supports Sensor Data I/O
    Circuits Measurement Microcontrollers Usage ON Semiconductor MC14543B MC14553B
    Ricardo Jiménez and Juan C. Ángeles Electronic Design A basic microcontroller can be used to convert a sensor's analog output into a pulse train, thereby making the output compatible with standard digital I/O ports. When the need ...
    Dec 22, 2016
60. Solar "Day Lamp" Also Powers FM Receiver
    Vijay Deshpande
    Circuits Supply Radio Light Solar ON Semiconductor MC34063
    A basic combination of a photovoltaic panel, multiple LEDs, and a small dc-dc regulator can provide light in dark corners while also offering a modest auxiliary dc-power rail. A solar-powered, daytime-only lamp without a battery for energy storage ...
    Dec 14, 2016

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