Dual DC Motor Driver Using L298

L298 DUAL DC MOTOR DRIVER (2)

Dual Motor L298 H-Bridge Control project can control two DC motors connected to it.  The circuit has been designed around popular dual H-Bridge L298 from ST. This circuit has current sense resistors for both H-bridges to provide voltage which enables this board to use in stepper motor applications.

SCH

Features

  • Motor supply : 7 to 46 VDC
  •  Control Logic Supply : Standard TTL logic level
  •  Output DC drive to motor : up to 2 A each
  •  Current Sense Output available
  • Enable and direction control pins available
  •  External diode bridge for protection
  •  Heat-sink for IC
  •  Power-On LED indicator
  •  Screw terminal connector for easy input supply (PWR) / output (Motor) connection
  •  Four mounting holes of 3.2 mm each
  •  PCB dimensions 61 mm x 63 mm

L298 DUAL DC MOTOR DRIVER (1)

H-BRIDGE 10Amps 36V DC IR2104-IR2101

H-BRIDGE 10AMPS USING MOSFETS IR2104-IR2101 (1)

H-Bridge has been designed around IR2104 IC from international Rectifier, The board has been made mainly for DC-Motor application, The driver can handle load up to 8-10Amps,I have tested this board with 36V DC supply . The circuit uses N Channel IR540 MOSFETS from international rectifier. IR540 required large heat sink for 10Amps load.  Board has shunt resistor to provide voltage proportional to current flowing through load. This can be letter amplify and connect it to micro-controller.

SCH

Features

  • Motor DC Supply 36V DC (Screw Terminal Connector)
  • Logic Supply 12V DC
  • Load 8-10Amps (Screw Terminal Connector)
  • Header Connector for Inputs (7 Pin Header Connector)
  • On Board Shunt Resistor for Current feedback
  • PWM Frequency 10 to 20 KHz
  • Duty Cycle 0-99%
  • Logic Pins support 3.3V, 5V, 12V (Inputs and PWM)
H-BRIDGE 10AMPS USING MOSFETS IR2104-IR2101 (2)

H-BRIDGE 10AMPS USING MOSFETS IR2104-IR2101 SCHEMATIC & PCB

H-BRIDGE 10AMPS USING MOSFETS IR2104-IR2101 (1)

WIRING DIAGRAM

1.2V-35V 3Amps Adjustable DC-DC Converter Power Supply Using LM2576

1.2V-35V DC 3Amp Adjustable Power Supply Using LM2576 (1)

1.2V to 35V Adjustable DC-DC Converter project has been design around TI’s  LM2576-ADJ IC. Inputs supply 40 VDC.  LM2576-ADJ is a monolithic integrated circuit that provides all the active functions for step down switching regulator, capable of driving 3A load with excellent line and load regulation.this board has minimum number of components.

SCH

Features

  •  Output 1.2 to 35 VDC @ 3 A regulated low ripple DC voltage
  •  Onboard potentiometer for output voltage adjust
  •  Onboard bridge rectifier for AC voltage input
  •  LED indication at input
  •  Screw Terminal connectors for input and output
  • Four mounting holes of 3.2 mm each
  •  PCB dimensions 70 mm x 63 mm

 

Applications

  •  Small Bench Top Power Supplies
  • Battery Chargers
  • LED Drivers

1.2V-35V DC 3Amp Adjustable Power Supply Using LM2576 (2)

 

 

High Current PWM Halogen Lamp Dimmer Using SG3525

HIGH CURRENT HELOGEN LAMP DIMMER (2)

High Current PWM Halogen Dimmer controller project is designed around SG3525 IC and High current MOSFET.  Project can handle lamp up to 5 Amps (10Amps Possible with big heat sink) and supply 12-24V DC .Ideal for Halogen Dichroic Lamp or Halogen Lamp.

SCH

Features

  • Supply input 15 to 24 VDC
  •  Load-Lamp 12 to 24 VDC @ 5 Amps
  •  Load 10 amps possible with big heat sink on Mosfet)
  •  Onboard preset for frequency adjust
  •  Frequency adjustable 4 KHz to 30 KHz
  •  PWM Duty cycle 0 to 100% (+/- 5%)
  •  Potentiometer for dimming adjust
  •  Soft Start facility
  •  Clamp diode for protection
  •  Power-On LED indicator
  •  Compact design and high quality
  •  Lamp and supply connection via screw terminal connector
  •  Four mounting holes of 3.2 mm each
  •  PCB dimensions 56 mm x 42 mm

HIGH CURRENT HELOGEN LAMP DIMMER (1)

Voice Changer Using AP8072

VOICE CHANGER (2)

Voice Changer project can be used to transpose or distort one’s voice by encoding the sound appearing at the Microphone input.  This project  is built around AP8072 IC.

SCH

  • Supply input : 6 VDC @ 200 mA
  •  Output : Speaker, 8 Ω / 0.5 W
  •  Audio amplifier type LM386 with volume control preset
  •  Jumper selectable tone frequency for encoding sound
  •  4 Tones to choose
  •  Built in noise reduction circuit for reducing environment noise
  •  On/Off Jumper connector for power supply input
  •  Berg connector for power supply input and speaker output
  •  Four mounting holes of 3.2 mm each
  •  PCB dimensions 48 mm x 52 mm

VOICE CHANGER (1)

 

1.2W Audio Amplifier Using TBA820

1.2W AUDIO AMPLIFIER USING TBA820 (2)

1.2W Audio Amplifier Project can be used as a low frequency class B power amplifier with wide range of supply.

  • Power supply – 3 – 12 VDC
  •  Output – 1.6 W, 4 Ω  / 1.2 W, 8 Ω
  •  Input resistance – 5 MΩ
  •  Low quiescent current, good ripple rejection and no cross-over distortion
  •  Onboard presets to adjust volume
  •  Terminal pins for connecting power supply, input and output
  •  Four mounting holes of 3.2 mm each
  •  PCB Dimensions 44mm x 47mm

SCH

1.2W AUDIO AMPLIFIER USING TBA820 (1)

1.6W Mono Audio Amplifier Using TDA7231

1.6W MONO AUDIO AMPLIFIER  USING TDA7231 (1)

1.6W Mono Audio Amplifier Project is based on TDA7231, which is class AB power amplifier with a wide range of supply.

SCH

  • Power supply: 5  To 12 VDC
  •  Output: 1.6 W, 4 Ω / 1 W, 8 Ω
  •  Low crossover distortion, soft clipping
  •  PR1 Preset for Volume Adjust
  •  Terminal pins for connecting power supply, input and output
  •  Power On/OFF Switch
  •  Power-On LED indicator
  •  Four mounting holes of 3.2 mm each
  •  PCB dimensions 36 mm x 52 mm

1.6W MONO AUDIO AMPLIFIER  USING TDA7231 (2)

5.5W Stereo Audio Amplifier Using LA4445

5.5W  2 Channel Audio Amplifier

The small 2 Channel amplifier constructed around Sanyo’s LA4445 IC delivers 5.5Watts +5.5 Watts at 4 ohm load, supply in 12V DC 2Amp, Input impedance 30K.

 

Features

 

  • Dual Channels output : 5.5w
  • Minimum External Parts
  • Very small pop noise at the time of power supply ON/OFF
  • Good ripple rejections
  • Small residual noise
  • Built-in protectors 1. Thermal Protector 2. Overvoltage Surge Protector
  • Standard Audio signal
  • Supply 12V DC
  • Load : 4 Ohms Speaker on Each Channel
  • Voltage Gain : 50DB
  • Output 5.5W on each Channel (THD 10%)
  • Total harmonic distortion 1% Max @ Po=1W
  • Input impedance 30 K-ohms

 

5.5W  2 Channel Audio Amplifier SCHEMATIC

3A DC MOTOR DRIVER MODULE SCHEMATIC USING LMD18200

3A DC MOTOR DRIVER SCH

The module has been designed around LMD18200 from Texas Instruments. The LMD18200 is a 3A H-Bridge designed for motion control applications. The device is built using a multi-technology process which combines bipolar and CMOS control circuitry with DMOS power devices on the same monolithic structure. Ideal for driving DC and stepper motors; the LMD18200 accommodates peak output currents up to 6A. An innovative circuit which facilitates low-loss sensing of the output current has been implemented.

 SCH

Features

  • Powerful bi-directional DC Motor driver
  • Screw-terminals for Power Supply and Motor Connections
  •  6-pin Header connector for PWM, direction, current sense, Brake
  • Delivers Up to 3A Continuous Output (6A Peak)
  • Operates at Supply Voltages Up to 55V
  • Low RDS (ON) Typically 0.33Ω per Switch at 3A
  • TTL and CMOS Compatible Inputs
  • No “Shoot-Through” Current
  • Thermal Warning Flag Output at 145°C
  • Thermal Shutdown (Outputs Off) at 170°C
  • Internal Clamp Diodes
  • Shorted Load Protection
  • Internal Charge Pump with External Bootstrap Capability
  • Mounting holes of 2.6 mm each
  •  PCB dimensions 44 mm x 25 mm

 

3A DC MOTOR DRIVER SCH (1)

3A DC MOTOR DRIVER SCHEMATIC & PCB LAYOUT

3A DC MOTOR DRIVER SCH BOM

3A DC MOTOR DRIVER BOM

3A DC MOTOR DRIVER

CONNECTIONS

L293 Dual DC Motor/Stepper Motor Driver Module

L293 DC MOTOR DRIVER MODULE

The project designed around L293D IC. The L293D device is quadruple high-current half-H driver. The 293D is designed to provide bidirectional drive current up to 600mA a voltage from 5V to 36V.L293D Adapter Board can be used as dual DC motor driver or bipolar stepper motor driver.  Useful in robotics application, bidirectional DC motor controller and stepper motor driver.  Separate logic supply to reduce dissipation.  L293D includes the output clamping diodes for protections.

SCH

  • Motor/Logic supply 5 to 36 V
  • Logic controls input 7 VDC max
  • Inhibit facility/enable
  • High Noise immunity
  • Over temperature protection
  • Capable of delivering output current up to 600 mA per channel
  • The control/interface lines are accessible with Berg connector
  • Header connector for motor and supply connection
  • PCB dimensions 36 mm x 24 mm
L293 DC MOTOR DRIVER MODULE SCH

L293 DC MOTOR DRIVER MODULE SCHEMATIC & PCB

L293 DC MOTOR DRIVER MODULE BOM

L293 DC MOTOR DRIVER MODULE BOM

 

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