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SERPENT I - DC MOTOR DRIVER IRF3710 - ASSEMBLED EDITION

Description

• SERPENT I is H-Bridge DC Motor controller/driver based on power MOSFET transistor IRF3710. SERPENT I is an independent solution which could be easily used with any currently available embedded system development board. SERPENT I does not provide any predefined connector except screw connectors. Instead, matrix 4x8 provides a generic solution in order to build right adapter connectors for target development board.

• The controller contains two parts. The first part is related to control devices, like microcontrollers, processors, SoC, development boards, without physical connection with second energy part composed of four power MOSFETs configured as an H - bridge. The communication between the control and energy part is done over the opto-isolated devices 4N25 with a guaranty that control devices are safe against high currents from energy part.

• Opto-isolated inputs are implemented as open anode while opto-isolated cathodes are hardwired to the control device ground. Beside power MOSFETs, energy part contains CMOS integrated circuits as control logic to drive power MOSFETs gate drivers implemented with LM393 comparators. Regarding functionality, SERPENT I provide enable/disable signal, bi-directional control and PWM signal for DC motor speed and torque control.

• The DC motor driver is implemented with through-hole technology and could be assembled with standard soldering irons. SERPENT I is applicable for all kinds of DC motor controller systems, embedded robotics and Internet of Things (IoT). Beside that it is also applicable to drive DC to AC inverters. There are two SERPENT I editions: PCB DIY Kit and assembled version.

Specification

• Independent ecosystem solution
• Assembled edition
• PCB dimension: 150mm x 50mm
• Opto-coupled DC Motor Driver (control logic safe)

• Based on power MOSFET IRF3710
• Bidirectional control
• Inverting control logic, logic one switch power MOSFET OFF
• PWM modulation
• TTL/CMOS compatible
• Protoboard: double sided, 32 soldering points
   - 1x8 direction signal
   - 1x8 enable signal
   - 1x8 PWM signal
   - 1x8 opto-coupled ground
• CEI/IEC 2326-4-1, IPC-A-600, IPC-D-300G, European directive 2002/95/EC, RoHS
• Assembled according to soft solder alloys RoHS directive: ISO 9453:2006 (S-Sn99Cu1)
• Certified tested according to standards

Applications

• DC motor control systems
• Embedded robotics
• Internet Of Things (IoT)
• Inverter circuits DC->AC
• 3D Printers

Electrical schematics - SCH/PCB drawings (PDF)

Note: all electromechanical components are configurable by replacements

• TOP SIDE (PCB)
• BOTTOM SIDE (PCB)
• DC MOTOR POWER SUPPLY AND LIMITATIONS (SCH) (PCB)
    - LM393 IC gate driver, maximum power supply voltage is 36V DC
    - 7815 maximum power supply voltage is 30V DC
    - IRF3710 IC maximum drain-source voltage (VDSS): 100V DC
    - IRF3710 IC maximum gate-source voltage (VGS): ±20V DC
    - IRF3710 IC maximum continuous drain current (ID): 57A DC
• DC MOTOR CONNECTOR (PCB)
• DC MOTOR GROUND (SCH) (TOP PCB SIDE) (BOTTOM PCB SIDE)
• 15V DC LOGIC GATES/(GATE DRIVER CONTROL LOGIC) POWER SUPPLY (7815 STEP-DOWN) (SCH) (PCB)
    Driver configuration:
    - Set JMP1 as active
    - DC motor power supply is above 15V DC
    - 7815 voltage regulator output is active
    - VDD connector: configured as output 15V regulated voltage
• <= 15V DC LOGIC GATES/(GATE DRIVER CONTROL LOGIC) POWER SUPPLY (SCH) (PCB)
    Driver configuration:
    - Set JMP1 as inactive
    - 7815 voltage regulator output is inactive
    - VDD connector: configured as input logic gates power supply
• PWM CONTROL SIGNAL 1 (SCH) (PCB)
• PWM CONTROL SIGNAL 2 (SCH) (PCB)
• DIRECTION CONTROL SIGNAL 1 (SCH) (PCB)
• DIRECTION CONTROL SIGNAL 2 (SCH) (PCB)
• ENABLE CONTROL SIGNAL 1 (SCH) (PCB)
• ENABLE CONTROL SIGNAL 2 (SCH) (PCB)
• CONTROL SIGNALS Logic 1 (SCH)
• CONTROL SIGNALS Logic 0 (SCH)
• OPTO COUPLED GROUND (SCH) (PCB)
• OPTO COUPLED PROTOBOARD (SCH) (PCB)

BOM

Note: all electromechanical components are configurable by replacements

• Screw connector 4 pins 1x
• Screw connector 3 pins 1x
• Optocoupler 4N25 IC 3x
• Logic gate CMOS 40106 IC 1x
• Logic gate CMOS 4082 IC 1x
• 78xx voltage regulator IC 1x
• Dual differential comparator LM393 IC 1x
• Resistance 10K 0.5W 3x
• Resistance 4K7 0.5W 2x
• Resistance 2K2 0.5W 2x
• Resistor 50K 0.5W 1x
• Power MOSFET IRF3710 4x
• TO-220 Heatsink 4x
• Diode 1N4004 4x
• Electrolytic capacitors 100uF 100V 3x
• Block/Ceramic capacitors 100nF 100V 4x
• Single turn cermet trimmers - FT-63 series 50K nominal resistance 1x/
PT6v(655MCL)50K Carbon Trimmer Potent. 5x5mm 50K, Vertical Type

Related test schematics

• SERPENT I - DC motor controller/driver details
• SERPENT I - PCB DIY (do it yourself) assembling - video clips examples
• Programmable autonomous vehicles – Fundamentals, Part I
• Power switch as current amplifier
• How to design LM324 Astable Multivibrator
• How to design voltage reference by limiting current consumption
• DC motor torque vs DC motor speed

For technical support please contact us over the e-mail.

Zilsel Invent ® © assumes no responsibility or liability for any errors or inaccuracies that may appear in the presented documents.
Specification and information contained in the presented schematics are subject to change at any time without notice.