Is there a schematic available for this part?

Dear customers, Input can be connected to MCU / PLC signal control, power supply + power supply - is the power supply of output controlled equipment, out + out - is directly connected to load, such as motor, solenoid valve, etc.

Looks like a handy board. Anyone know what the opto IC manufacturer and part number are?

The optos are labeled L217-A with a small lettering H39.

Does it really need pwm signal to control it, or just any gpio signal would do? since it's just on or off, no need to dim the load.

Inputs are simple isolated optocouplers (just + and -). I am using with 5 volts (more or less) signals in my application. PWM inputs are an option that you yourself must generate. Output/input leds were activated with a 3 volt input during bench test. Of course input current increases with input voltage. [ I may have rated this circuit too high. Note that incorrect transistor mounting/pads/connections are used. Note also that this circuit is not back EMF protected for inductive loads.]

Do you need a fuse between the device (say a motor) and the output of this board, or will the board handle any power issues?

You need inductive load protection if PWM'ing a motor. I suspect that heat will be the first load limit encountered. Don't believe the stated output current for any long duration of time. A fuse is cheaper than replacing circuits.

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MOS FET PWM 3-20V to 3.7-27VDC 10A 4-Channel Driver Module

MOS FET PWM 3-20V to 3.7-27VDC 10A 4-Channel Driver Module

Product ID: 150387592

Details

Item dimensions L x W x H
2.17 x 1.97 x
Manufacturer
Hilitand
Maximum Supply Voltage
20 volts
Minimum Supply Voltage
20 volts
Voltage
27

⚡10A high current output

🔄4-channel PWM control

🛡️Complete input-output isolation

€ 25.33

Duties & taxes included

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Description

⚡ Drive Your Devices Like a Pro — Power, Control, and Clarity in One Module!

MULTI CHANNEL MASTERY - Four independent channels let you customize multiple devices simultaneously.
INTERFERENCE NOT HERE - Ultra-small optocoupler ensures rock-solid anti-interference performance.
POWER UP WITH PRECISION - Control motors, LEDs, and pumps seamlessly with 10A output capacity.
PLUG PLAY PROFESSIONALISM - Designed for easy installation—get your system running without hassle.
VISUAL FEEDBACK AT A GLANCE - Built-in input/output indicators keep you informed in real-time.

The Hilitand 4-Channel MOSFET PWM Driver Module delivers stable, high-current (10A) control across four channels with complete input-output isolation. Its ultra-small optocoupler design ensures strong anti-interference, while built-in indicator lights provide real-time status. Compatible with motors, LEDs, pumps, and more, this compact, easy-to-install PLC amplifier is engineered for professional-grade performance in industrial and scientific applications.

Specifications

ASIN	B07QGXY7F3
Best Sellers Rank	#66,353 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #7 in Motor Drives
Brand Name	Hilitand
Customer Reviews	4.0 out of 5 stars 140 Reviews
Item Dimensions	2.17 x 1.97 x 0.39 inches
Item dimensions L x W x H	2.17 x 1.97 x 0.39 inches
Manufacturer	Hilitand
Maximum Supply Voltage	20 volts
Minimum Supply Voltage	20 volts
Model	YYNMOS-4
Mounting Type	Surface Mount
Number of Channels	4
Output Power	1080 watts
Package Type Name	small box
Part Number	Hilitandgamf9256ue6520
Supply Current	10 A
UPC	748018565745
Voltage	27 volts_of_direct_current

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