Tag: MOSFET
Reverse Protection for 12V Systems – Made in India Fix
The Problem: Reverse Polarity in 12V Systems Connecting the power supply backward is a common mistake, especially in automotive and DIY 12V systems. This reverse polarity can instantly destroy your microcontrollers, sensors, or even the entire circuit.
The Solution: Reverse Protection Circuit The simplest fix is to add a reverse …
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MOSFET Switching Transient Reduction Tips – Made in India
The Problem: High Switching Transients in MOSFETs When switching MOSFETs rapidly in circuits like motor drivers or power converters, you might encounter voltage spikes or EMI issues. These switching transients can damage components or introduce noise, leading to unreliable performance.
The Solution: Add a Gate Resistor and Snubber To reduce …
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Reverse Polarity Protection in Robotics Made Simple
The Problem: Accidental Reverse Polarity in Robotics One common issue faced by electronics hobbyists and robotics developers is reverse polarity—accidentally connecting the power supply terminals the wrong way. In robotics, this can instantly destroy your microcontroller, sensors, or motor drivers, especially during prototyping.
The Solution: Add Reverse Polarity Protection To …
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MOSFET Safe Operating Area Tips for Reliable Design
The Problem: Exceeding the Safe Operating Area (SOA) When working with MOSFETs, many hobbyists overlook one crucial spec: the Safe Operating Area (SOA). Exceeding it can quickly destroy your device. The SOA defines the limits of voltage, current, and power a MOSFET can handle at the same time. Ignoring this often results in …
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Low Voltage Smart Irrigation Power Design Tips
The Problem: Powering Smart Irrigation at Low Voltage : Smart irrigation systems are becoming popular in India’s farmlands, but powering them efficiently—especially from batteries or solar panels—can be tricky. Most sensors, valves, and microcontrollers work at 3.3V or 5V, while field conditions often deliver unstable or low voltage.
The Solution: Efficient …
SMPS High-Efficiency Layout Tips for Indian Makers
The Problem: Efficiency Loss in SMPS Layouts Switch Mode Power Supplies (SMPS) are compact and efficient—but a poor PCB layout can cause high switching losses, overheating, and EMI issues. Many hobbyists overlook layout optimization, leading to unstable performance.
The Solution: Optimize Your PCB Layout To ensure maximum efficiency, keep high-current …
Reverse Voltage Protection for 5V Rails (India-Made)
The Problem: Reverse Voltage on 5V Rails Accidentally connecting power in reverse can instantly damage your 5V electronics—especially microcontrollers, sensors, or modules that lack built-in protection. It’s a common beginner mistake and can destroy hours of prototyping work in seconds.
The Solution: Add Reverse Voltage Protection To guard your 5V …
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MOSFET Gate Resistor Design – Made in India Tips
The Problem: Unstable Switching in MOSFETs When you’re switching a MOSFET at high speed, the gate can draw sudden pulses of current due to its capacitive nature. Without a gate resistor, this can lead to high-frequency oscillations, EMI (electromagnetic interference), and even damage to your driver circuit. This is especially common in PWM …
Reverse Current Protection in LED Lighting
The Problem: Reverse Current in Lighting Circuits Reverse current happens when power flows backward through your LED or lighting driver circuit—especially in multi-supply or backup battery scenarios. This can damage components, cause flickering, or reduce lifespan.
The Solution: Add Reverse Current Protection The simplest fix? Use a Schottky diode or …
MOSFET Switching Loss Analysis Guide
The Problem: Understanding MOSFET Switching Losses While MOSFETs are popular for their high efficiency, switching losses can significantly heat up your circuit, especially in high-frequency applications like buck converters or motor drivers. Ignoring these losses can lead to overheating, reduced efficiency, or circuit failure.
The Solution: Minimize Switching Time & Gate …