SG3525 LM358 Inverter Driver Board 12V 24V

SG3525 LM358 Inverter Driver Board 12V 24V is a high-efficiency dual IC-based driver module designed for building DC to AC inverters, UPS systems, and other power electronics applications. It uses the SG3525 PWM controller and LM358 dual operational amplifier to deliver stable and adjustable frequency and voltage output, ideal for driving MOSFETs and IGBTs in full-bridge or half-bridge inverter topologies.

Key Features:

• Dual IC Design: Combines SG3525 PWM controller and LM358 op-amp for stable operation.
• Wide Input Voltage: Operates from both 12V and 24V DC supplies.
• Adjustable Frequency: On-board trimmer allows fine control of PWM frequency.
• Efficient MOSFET Driving: Outputs ideal for driving high-power MOSFETs or IGBTs.
• Heat Sink Support: MOSFETs can be mounted with heatsinks for better thermal management.

Technical Specifications:

• Input Voltage: 12V to 24V DC
• Controller IC: SG3525 PWM Controller
• Op-Amp IC: LM358 Dual Operational Amplifier
• PWM Frequency: Adjustable from approx. 50Hz to 100Hz
• Output Type: Dual complementary outputs (for half-bridge/full-bridge inverters)
• Gate Drive: Suitable for IRF3205, IRF540N, and similar N-channel MOSFETs

Mechanical Specifications:

• Board Dimensions: Approx. 60mm × 45mm
• Mounting Holes: Provided for secure fitting
• Connector Type: Screw terminals for input and output
• Construction: High-quality FR4 PCB with solder mask and silkscreen

Pinout and Wiring:

• VCC: Connect 12V or 24V positive input
• GND: Ground connection
• OUT A / OUT B: Connect to gate of left and right MOSFETs
• Load Output: Output terminals go to transformer or inverter load

Datasheet and Documentation:

• SG3525 Datasheet
• LM358 Datasheet

Applications:

• DC to AC Inverters: Main driver board for low and high-power inverters
• Solar Power Systems: Used for grid-independent solar inverter development
• UPS Systems: Provides PWM control for battery backup systems
• Motor Drives: Controls AC motors through inverter setups
• DIY Power Projects: Ideal for hobbyist and academic power electronic designs

Equivalent Models:

• TL494 PWM Board: Alternate PWM driver board with dual output
• IR2110 Driver Board: High-low side driver module for MOSFETs and IGBTs
• EG8010 Inverter Module: Advanced sine wave driver with feedback control

Package Includes:

• 1 x SG3525 LM358 Inverter Driver Board 12V 24V