Tag: Make in India
Boost Your Project: MOSFET Gate Drive Efficiency Tips
Getting the most out of your MOSFETs means driving them correctly. If you’re a hobbyist or engineer working with microcontrollers and power devices, this post will help you fix common gate drive issues with simple tweaks using Made in India components. The Problem: Inefficient MOSFET Switching MOSFETs act like fast switches, but only …
Boost Your Project: MOSFET Gate Drive Efficiency TipsRead More
Low Voltage Smart Bulb Power Design Made Simple
The Problem : Smart bulbs often operate at 3.3V or 5V logic levels but need stable power despite fluctuations in home or solar-based systems. Without proper power design, your bulb may flicker, fail to boot the microcontroller, or reset intermittently.
The Solution : A good power design starts with an …
Reverse Current Protection for Chargers – A Must for DIYers
The Problem : Ever connected a battery to a charger and noticed it getting hot or malfunctioning? That’s likely due to reverse current flow, where energy from the battery flows back into the charger circuit—potentially damaging components.
The Solution : The fix is simple: use reverse current protection. This can …
Reverse Current Protection for Chargers – A Must for DIYersRead More
MOSFET High-Side Driver Design – A Beginner’s Guide
The Problem : Using an N-channel MOSFET as a high-side switch can be tricky. The gate voltage must be higher than the source (which is tied to your load), or the MOSFET won’t turn on fully. This confuses many beginners who expect the same behavior as in low-side switching.
The Solution …
MOSFET High-Side Driver Design – A Beginner’s GuideRead More
Low Voltage Smart Thermostat Power Guide
The Problem : Smart thermostats are designed for efficiency, but powering them from unreliable or unstable sources can cause resets, sensor malfunctions, or even full shutdowns. These devices typically run on 3.3V or 5V, and minor voltage drops can affect performance significantly.
The Solution : Use a low-dropout voltage regulator …
MOSFET Avalanche Protection Tips
The Problem : MOSFETs are powerful and efficient switches, but when used with inductive loads (motors, solenoids, relays), they’re vulnerable to avalanche breakdown. This occurs when a sudden voltage spike—caused by inductive energy—exceeds the MOSFET’s drain-source breakdown voltage (V<sub>DSS</sub>), damaging the part.
The Solution : Use a freewheeling diode (also …
Low Voltage Smart Camera Power Supply
The Problem : Smart security cameras, especially DIY or IoT variants, often require a clean and stable low-voltage power supply (typically 5V or 3.3V). Using unregulated supplies or long cables can cause voltage drops, leading to reboots, frame drops, or even camera failure.
The Solution : Use a low-dropout (LDO) …
SMPS High-Efficiency Design Tips
The Problem : An SMPS that wastes power as heat shortens battery life and needs larger heatsinks. Inefficiency usually comes from high switching losses (slow MOSFETs) and conduction losses (high-R<sub>DS(on)</sub> parts, lossy capacitors).
The Solution : Choose low-gate-charge MOSFETs so they turn on/off faster. Use low-ESR output capacitors to slash …
Reverse Voltage Protection for 48V Rails
The Problem : Reverse voltage can instantly damage sensitive components on your 48V power rail—especially in industrial or robotics applications where connectors might be inserted incorrectly. For beginners and prototypers, this can mean blown ICs or fried PCBs.
The Solution : To avoid this, use reverse polarity protection. One of the most efficient …
MOSFET Switching Speed Tips
The Problem : When MOSFETs switch too slowly, they generate excess heat, reduce efficiency, and can even damage your circuit. This is a common issue in high-speed switching applications like motor drivers and DC-DC converters. The culprit? Often it’s poor gate drive or incorrect resistor values.
The Solution : To …