SG3525 Adjustable PWM Inverter Driver Board, 8-35V, 10-100kHz
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Prices updated: 14 Oct 2026
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About this product
An SG3525-based PWM driver board for DIY inverter pre-stage circuits. It generates an adjustable square-wave PWM signal from 10 kHz to 100 kHz with up to 2.5 A output current, and is rated to drive more than 20 MOSFETs. It includes over-current and short-circuit protection and is listed for inverters from 500 W to 5000 W.
Specifications
- Control chip
- SG3525 / KA3525
- Supply voltage
- 8 - 35 V
- Output current
- 2.5 A
- Switching frequency
- 10 kHz - 100 kHz
- Waveform
- Square-wave PWM
- Protection
- Over-current, short circuit
- Application
- Inverter pre-stage, 500 W - 5000 W
Frequently asked questions
Can this board drive power MOSFETs directly?
The listing states it can drive more than 20 MOSFETs. Gate drive, dead time and transformer design are part of your full inverter design, so match the MOSFET stage to the board output and your power requirements.
What should I do with the protection pin if I do not use it?
According to the listing, if you do not use the protection function, leave the protection pin floating (unconnected).
