XY-MOS Switch Drive High Power MOSFET Trigger Module

XY-MOS MOSFET Trigger Module	XY-MOS MOSFET Trigger Module Pinout

The XY‑MOS 5–36V High‑Power MOSFET Trigger Module is a reliable non-isolated switch driver board designed for controlling high‑current DC loads with ease. Featuring dual D4184 MOSFETs in parallel, it provides ultra‑low internal resistance, higher current capacity, and stable power output. Supporting up to 15A continuous current and 400W at room temperature, this module is ideal for driving motors, LED lighting, pumps, and other high‑power devices. It enables smooth DC motor speed control and bulb brightness adjustment using PWM signals (3.3–20V, 0–20kHz), making it perfect for Arduino, PLC, and other microcontroller projects.

Pin Description

Pin	Function	Description
VIN+	Positive DC power input	Connect to +5V to +36V supply for load drive.
VIN-	Negative DC power input (Ground)	Ground connection for load drive.
OUT+	Positive output to load	Connects directly to the positive side of the load (motor, LED, pump).
OUT-	Negative output to load (switched)	Controlled by MOSFETs; connects to the negative side of the load.
TRIG/PWM	Control input	Accepts digital HIGH/LOW or PWM signal (3.3 V–20 V).
GND (Signal Ground)	Ground for control input	Must be tied to the same ground as VIN‑ for proper operation.

Specifications

The quick technical specifications and features of the xy-mos mosfet trigger module are given below:

• Module Type: MOSFET trigger/switch driver
• MOSFET Used: Dual high-power D4184
• Operating Voltage: 5-36V DC
• Peak Current: 30A
• Continuous Current: 15A max. with proper cooling
• Operating Input Signal: 3.3-20V, 0-20kHz
• Operating Power: 400W max.
• Operating temperature: -40 ~ +85°C
• Cooling Fan: No
• Arduino Shield: No, signal need send through wire connection
• Speed Control: Yes
• Polarity Protection: No
• Length: 34mm
• Width: 17mm
• Height: 12mm
• Weight: 6gm

Circuit Diagram

Schematic of xy-mos 5–36V high‑power d4184 mosfet trigger module circuit as shown below.

Components are used in the circuit - Q1, Q2: D4184 high power MOSFETs, R1: 100Ω SMD resistor, R2: 1008KΩ SMD resistor, R3: 1K8Ω SMD resistor, LED1: SMD red LED, and 2-pin 5.08mm screw terminal block connectors.

How It Work

The XY‑MOS Switch Drive High Power MOSFET Trigger Module is made for DC loads. It takes a small DC input signal from Arduino, Raspberry Pi or a sensor and drives the gate of MOSFETs. The module often has two MOSFETs connected in parallel so they share current, reduce heating and allow higher power switching. When the input signal is high the MOSFETs turn on and let DC current flow through the load. When the input signal is low the MOSFETs turn off and stop the current.

Applications

Some real-life applications of the xy-mos high power mosfet trigger module.

Wireless DC Pump Control System: The XY-MOS MOSFET Trigger Module controls a 70W DC water pump using a 433 MHz RF transmitter/receiver circuit. The user can wirelessly turn the pump on or off from a distance of 20 to 100 meters.

Receiver Circuit	Transmitter Circuit

How to calculate voltage divider for circuit design?

A voltage divider is an electrical circuit that converts a higher voltage into a lower one by using a pair of resistors (or sometimes other components). It divides the input voltage into smaller parts based on the ratio of the resistances.

Voltage Divider Calculation

In electronics the voltage divider is on of the simplest yet most widely used circuits. Whether you are biasing a transistor, reading a sensor with a microcontroller, or creating a reference voltage for an analog circuit, voltage dividers play a central role.

The operation of a voltage divider is based on Ohm's Law and the concept of series circuits. In series, current is the same through all components where the voltage across each resistor depends on its resistance value.

So, if current I flow through the series resistors: I = V_In / (R₁ + R₂)

The voltage across R₂ (which is the output) is: V_Out = I x R₂

Substituting I: V_out = V_In x R₂ / (R₁ + R₂)

This is the voltage divider formula which is tells you how much voltage develops across the second resistor.

Design Rules for Voltage Divider

Rule 1: Voltage divider should not drive heavy load. A major limitation is it cannot supply current to high-power loads. If you connect a load resistance R_L across R₂, it forms a parallel network.

R_Parallel = R₂ x R_L / (R₂ + R_L)

This changes the output voltage, often drastically.

Rule 2: Load resistance must be much higher. A good design rule R_L ≥ 10 x R₂. This ensures the voltage divider remains accurate.

Voltage Divider Practical Applications

Voltage dividers are found in almost every electronics circuit. Some major uses includes:

Sensor Interfacing: Many sensors change resistance with temperature, light, or pressure. Using a voltage divider, this resistance changes a voltage that can be measured.

ADC Scaling: Microcontroller Analog-to-Digital Converter (ADC) pins usually accept 0-3.3V to 0-5V. A voltage divider reduces higher signals to this safe range.

Biasing Transistor: BJT bias networks use two resistors as a voltage divider to set the base voltage.

Level Shifting: Use to shift 5V logic to 3.3V to microcontrollers.

Reference Voltage Generation: Op-ams and analog circuits need stable reference voltages.

Measuring High Voltages: Large resistors divide mains voltage (230V to millivolts) for safe measurement.

Potentiometers: A potentiometer is essentially a variable voltage divider.

NE555 frequency adjustable pulse generator module circuit

This NE555 timer intregrated circuit based module generates an adjustable square-wave PWM signal with a frequency range of 7 Hz to 1.4 kHz. The output pulse can be used for motor speed control, LED brightness adjustment, signal testing, and other applications.

The NE555 IC is configured in the circuit board as an astable mode where it continuously oscillates between HIGH and LOW states, producing a square wave output with no stable state. The output frequency (f) of this module is calculated using the formula: f = 1.44 / (R2 + 2 x RP1) x C3.

Schematic of the ne555 frequency adjustable pulse generator module circuit is shown below.

When DC power (ranging from +5V to +12V) is supplied, capacitors (C1, C2) filter out input noise, and LED D1 indicates the power-on status (protected by the current-limiting resistor R1).

At startup, capacitor C3 is uncharged state and causing the trigger pin (pin 2) voltage to drop to around 0.1V. This activates the integrated comparator-B of U1 which helps to setting the flip-flop and making the output HIGH (about Vcc – 1.5V) for 70 ms. The integrated discharge NPN transistor turns off, allowing C3 to charge through resistors R1 and PR1 from 1/3 Vcc to 2/3 Vcc.

When C3 voltage exceeds 2/3 Vcc, integrated comparator-B of U1 resets the flip-flop which making the output LOW for 69.3 ms. The integrated transistor turns on, and C3 discharges through PR1 from 2/3 Vcc down to 1/3 Vcc. The cycle repeats and producing a continuous square wave.

The potentiometer PR1 adjusts the output frequency. The output frequency is about 7 Hz with a 50% duty cycle at maximum resistance where the frequency reaches 1.4 kHz with a 98% duty cycle at minimum resistance.

A capacitor (C4) connected to pin-5 filters noise and prevents false triggering for stable operation.

Quick Overview: TIP31C NPN Power Transistor

TIP31C is a silicon NPN power transistor with an island base. It belongs to the TIP31 series and housed in a TO-220 package suitable for midium-power tasks like switching applications and power amplifications.

It can handle up to 100V for collector-base and collector-emitter voltages, with a maximum collector current of 3A. The emitter-base voltage is 5V, and this transistor can dissipate up to 40W of power. With a minimum Beta (β) of 10, the TIP31C transistor ensures reliable performance across various applications at different currents and voltages.

The quick technical specifications and features of the tip31c transistor are given below:

Transistor Type	NPN
Material of Transistor	Si
Collector Current (Ic)	3A
Collector-Base Voltage (Vcb)	100V
Collector-Emitter Voltage (Vce)	100V
Emitter-Base Voltage (Veb)	5V
Transition Frequency (ft)	3MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	10 @ 3A, 4V
Collector Power Dissipation (Pc)	40W
Operating Junction Temperature (Tj)	-65°C ~ 150°
Package / Case	TO-220-3
Mounting Type	Through Hole
Base Product Number	TIP31C

The pin configuration of the TIP31C transistor is as follows:

Pin No.	Name	Description
1	Base	Controls the biasing of the transistor.
2	Collector	Electrons Emitted from Emitter Collected by the Collector.
3	Emitter	Electrons emitted from the emitter into the first PN.

If you are designing a PCB or perf board with this component, the following picture from the TIP31C datasheet will be useful to determine its package type and dimensions.

Quick Overview: BD139 NPN Power Transistor

The BD139 is a silicon NPN power transistor with an epitaxial base. It belongs to the BD series and housed in a TO-126 package suitable for Medium-power tasks like switching applications and power amplifications.

It can handle up to 80V for collector-base and collector-emitter voltages, with a maximum collector current of 1.5A. The emitter-base voltage is 5V, and this transistor can dissipate up to 12.5W of power. With a minimum Beta (β) of 40, the BD139 transistor ensures reliable performance across various applications at different currents and voltages.

The quick technical specifications and features of the bd139 transistor are given below:

Transistor Type	NPN
Material of Transistor	Si
Collector Current (Ic)	1.5A
Collector-Base Voltage (Vcb)	80V
Collector-Emitter Voltage (Vce)	80V
Emitter-Base Voltage (Veb)	5V
Transition Frequency (ft)	50MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	40 @ 150mA, 2V
Collector Power Dissipation (Pc)	12.5W
Operating Junction Temperature (Tj)	-55°C ~ 150°C
Package / Case	TO-126-3
Mounting Type	Through Hole
Base Product Number	BD139

The pin configuration of the BD139 transistor is as follows:

Pin No.	Name	Description
1	Emitter	Electrons emitted from the emitter into the first PN.
2	Collector	Electrons Emitted from Emitter Collected by the Collector.
3	Base	Controls the biasing of the transistor.

If you are designing a PCB or perf board with this component, the following picture from the BD139 datasheet will be useful to determine its package type and dimensions.

Quick Overview: TIP120 NPN Power Darlington Transistor

The TIP120 is a silicon NPN power Darlington transistor with an epitaxial base. It belongs to the TIP series and housed in a TO-220 package suitable for high-power tasks like switching applications and power amplifications.

It can handle up to 60V for collector-base and collector-emitter voltages, with a maximum collector current of 5A. The emitter-base voltage is 5V, and this transistor can dissipate up to 65W of power. With a minimum Beta (β) of 1000, the TIP120 transistor ensures reliable performance across various applications at different currents and voltages.

The quick technical specifications and features of the tip120 transistor are given below:

Transistor Type	NPN
Material of Transistor	Si
Collector Current (Ic)	5A
Collector-Base Voltage (Vcb)	60V
Collector-Emitter Voltage (Vce)	60V
Emitter-Base Voltage (Veb)	5V
Transition Frequency (ft)	3MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	1000 @ 3A, 3V
Collector Power Dissipation (Pc)	65W
Operating Junction Temperature (Tj)	-65°C ~ 150°C
Package / Case	TO-220-3
Mounting Type	Through Hole
Base Product Number	TIP120

The pin configuration of the TIP120 transistor is as follows:

Pin No.	Name	Description
1	Base	Controls the biasing of the transistor.
2	Collector	Electrons Emitted from Emitter Collected by the Collector.
3	Emitter	Electrons emitted from the emitter into the first PN.

If you are designing a PCB or perf board with this component, the following picture from the TIP120 datasheet will be useful to determine its package type and dimensions.