Circuits & Schematics Infineon

1. Handheld electric PCB drill speed controller
   T.K. Hareendran
   Circuits Tools and Technologies Microcontrollers Usage Infineon IRL520N
   This handheld electric PCB drill speed controller is cheap, easy to build, and only uses a few components. Basically, it is an Arduino Uno based PWM controller that operates at a relatively high frequency (Figure 1). It features almost 0-100% DC ...
   Sep 28, 2023
2. Gate Drive Transformer Circuit Maintains Fast Turn-Off Time
   Rick Mally
   Circuits Supply Power Infineon BC858
   With their excellent isolation and reliability, gate-drive transformers (GDTs) are commonly used for driving half-bridge power circuits. However, they pose challenges when you want to have both switches off for an extended period. This application ...
   Dec 15, 2021

3. Passive filter cleans up power-line communications
   Circuits Analogue Design Supply Infineon PVT412
   Many applications require the design of custom analog filters (Reference 1). The application for this design required simple and low-cost I/O filters for PLC (power-line communications), where low power consumption is a crucial factor. Figure 1 ...
   Jul 8, 2021
4. Dual-Input Power Reset Stops Automotive Software Runaway
   Circuits Automotive Supply Infineon TLE7272-2
   Ajay R. Dandge Electronic Design In microcontroller-based embedded systems, it is imperative to provide a means of triggering system reset to take care of software runaways. Many such remedies involve the implementation of an external watchdog ...
   Aug 4, 2020
5. Program a PIC Processor In-Circuit Using a 3.3-V Supply
   Circuits Supply Microcontrollers Usage Infineon IRLML6402
   David Conrad Electronic Design In this Idea for Design, placing this circuit setup between the battery V DD bus and the PIC microcontroller allows you to execute in-circuit programming while protecting the application circuit. Many PIC processors ...
   Mar 6, 2019
6. Body diodes simplify UPS & energy recovery circuits
   Peter Demchenko
   Circuits Analogue Design Oscillators Measurement Supply Infineon IRF9540N IRLR8743
   This Design Idea illustrates a way to make use of MOSFETs’ parasitic body diodes in a power circuit that can be used in UPS and energy-recovery (e.g., regenerative braking) designs (Figure 1). Figure 1. The circuit can work in two modes: as a ...
   Jan 29, 2019
7. Obtain a lower dc voltage from a higher voltage power supply
   Luca Bruno
   Circuits Supply Infineon IRF9530
   You can use the circuit in Figure 1 to obtain a low regulated voltage, such as 5 V dc, from a higher voltage, rectified, sinusoidal voltage source without resorting to an electrically noisy dc/dc converter or wasting watts in a dropping resistor. ...
   Sep 12, 2017
8. MOSFET-based Joule Thief steps up voltage
   Sajjad Haidar
   Circuits Analogue Design Supply Infineon IRLU3103
   A simple blocking oscillator circuit can be used to step up voltage using properties of coil inductance ( V = L di/dt ). Such a circuit is shown in Figure 1, which is more commonly called a Joule thief. Figure 1. Basic Joule Thief circuit. The ...
   Jan 19, 2017

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