Tag: Made in India
Reverse Protection for 5V Systems – Save Your Circuit!
The Problem : Reversing power connections in 5V systems—like Arduino or sensor modules—is a common mistake among hobbyists. Just one slip and your microcontroller, display, or sensor is fried! Many beginners don’t realize that even momentary reverse voltage can cause permanent damage.
The Solution : The fix is simple: add …
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MOSFET Switching Ripple Reduction – Smoother Power for Your Circuits
When using MOSFETs in high-speed switching applications like buck converters or motor drivers, switching ripple is a common problem. It shows up as voltage spikes, noise, or unstable outputs—all of which can damage sensitive components or reduce efficiency. The Problem: High-Frequency Ripple & EMI MOSFETs switch on and off in …
MOSFET Switching Ripple Reduction – Smoother Power for Your CircuitsRead More
Reverse Protection for 3.3V Systems
The Problem : Accidentally reversing power polarity in a 3.3V system can instantly damage your microcontrollers, sensors, or IoT boards. Unlike 5V systems, 3.3V circuits are more sensitive and have little margin for error.
The Solution : Use a PMOS MOSFET or a Schottky diode for reverse polarity protection. Schottky …
Reverse Polarity Protection for IoT Devices
The Problem : Reverse polarity—when power supply wires are connected the wrong way—can instantly damage sensitive IoT circuits. Many IoT devices use 3.3V or 5V logic, and a reverse connection could fry microcontrollers, sensors, or communication modules.
The Solution : A simple yet effective fix is using a MOSFET-based reverse …
MOSFET Overload Detection Design
The Problem : MOSFETs are widely used in power circuits, but they can be damaged by overload currents if not protected. Overload typically happens when a connected device draws more current than expected, causing the MOSFET to heat up or even fail.
The Solution : To prevent this, add current …
Low Voltage Smart Lock Power Design
The Problem : Smart locks are increasingly popular in homes and offices, but powering them reliably—especially at low voltage (3.3V–5V)—can be tricky. Issues like voltage dips, power ripple, or overcurrent can cause lock failures, reboots, or security glitches.
The Solution : Use a stable low dropout (LDO) regulator or buck …
SMPS Load Transient Tuning Made Simple
The Problem: SMPS Struggles with Sudden Load Changes Switch Mode Power Supplies (SMPS) are great for efficiency—but when your circuit demands a sudden increase or drop in current (called a load transient), the SMPS can momentarily dip or spike in voltage. This can cause glitches in microcontrollers or reboots in sensitive devices. …
Reverse Voltage Protection for Camera Projects
The Problem: Reverse Voltage Can Kill Your Camera Accidentally connecting the power supply the wrong way—even for a second—can permanently damage sensitive components in a camera. Reverse voltage can fry regulators, processors, and image sensors. Luckily, protecting your camera is simple and affordable!
The Solution: Add a Reverse Voltage Protection Circuit …
MOSFET Gate Drive Isolation Guide for Prototypers
The Problem: Why Gate Drive Isolation Matters When switching high-power MOSFETs, the gate needs to be driven cleanly and safely. But if the gate drive isn’t isolated properly—especially in high-side switching or noisy environments—it can lead to erratic switching, shoot-through currents, or even damage to the controller.
The Solution: Use Gate …
Low Voltage Smart Alarm Power Design Made Easy
The Problem: Smart Alarms Fail at Low Voltage Smart alarms often run on compact batteries (like Li-ion or coin cells), but when voltage drops below the required threshold—say due to aging cells or cold weather—the system can malfunction. This means your alarm might not trigger, or worse, reset randomly.
The Solution: …