SMPS Power Repai Uses module || LED TV supply Thik Kare || How To Repair SMPS Power Supply In Module
Автор: H.K. Electronic 365
Загружено: 2025-12-09
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SMPS Power Repai Uses module || LED TV supply Thik Kare || How To Repair SMPS Power Supply In Module
SMPS stands for Switched-Mode Power Supply.
It is an electronic power supply that efficiently converts electrical power (often AC mains power) to a stable DC voltage for electronic devices, such as computers. It achieves high efficiency by rapidly switching a transistor on and off, minimizing energy lost as heat compared to older, linear power supplies.
Would you like to know about the advantages or working principle of an SMPS?smps power supply ka voltage kaise badhaen
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SMPS power supply revolve around its function (AC-DC conversion, high efficiency, voltage regulation), components (MOSFETs, inductors, capacitors, diodes), working principle (rapid switching, pulse-width modulation), and applications (PCs, chargers, electronics), focusing on efficiency, small size, and switching technology over linear supplies. Key terms: Switched Mode, PSU, High Frequency Switching, PWM, Efficiency, Rectifier, Inductors/Capacitors, PC Power Supply, Voltage Regulation.
Core Concepts & Terms:
Switched Mode Power Supply (SMPS): The full form and primary keyword, describing its function of converting power via switching.
Efficiency: A major benefit, achieved by rapidly turning the power on/off to reduce heat loss, unlike linear supplies.
Switching Regulator: The core circuit that uses semiconductors (like MOSFETs) to switch power at high frequencies (kHz to MHz).
AC-DC Conversion: Converts mains AC to various DC levels needed by devices.
Components: Inductors, Capacitors, Diodes, MOSFETs, Transformers, Rectifiers, Filter Capacitors.
Pulse-Width Modulation (PWM): The technique used to control the output voltage by varying the "on" time of the switch.
Applications & Benefits:
PC Power Supply (PSU): A primary use case, powering computer components.
Mobile Chargers, TVs, all modern electronics.
Compact & Lightweight: Smaller size and weight compared to older linear supplies.
Stable Output: Provides regulated DC voltage for sensitive electronics.
How it Works (Simplified):
Rectification: AC input is converted to unregulated DC.
Filtering: Filter capacitors smooth the DC.
Switching: A transistor rapidly switches this DC on/off.
Transformation: A small transformer (or inductor) changes voltage levels.
Regulation: Output is controlled via PWM for stable DC.
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