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L293D IC Dual H-Bridge Motor Driver

Availability:

In stock


The Device is a monolithic integrated high voltage, high current four channel driver designed to accept standard DTL or TTL logic levels and drive inductive loads (such as relays solenoids, DC and stepping motors) and switching power transistors.  To simplify use as two bridges each pair of channels is equipped with an enable input. A separate supply input is provided for the logic, allowing operation at a lower voltage and internal clamp diodes are included. This device is suitable for use in switching applications at frequencies up to 5 kHz. The L293D is assembled in a 16 lead plastic package that has 4 center pins connected together and used for heatsinking.

L293D IC Features:

  • Speed and Direction control is possible
  • Motor voltage Vcc2 (Vs): 4.5V to 36V
  • Maximum Peak motor current: 1.2A
  • Supply Voltage to Vcc1(VSS): 4.5V to 7V
  • Transition time: 300ns (at 5Vand 24V)
  • Automatic Thermal shutdown is available
  • Available in 16-pin DIP, TSSOP, SOIC packages
  • Maximum Continuous Motor Current: 600mA
  • It can be used to run Two DC motors with the same IC.

L293D IC Pin Configuration:

Pin Number
Pin Name
Description
1
Enable 1,2
This pin enables the input pin Input 1(2) and Input 2(7)
2
Input 1
Directly controls the Output 1 pin. Controlled by digital circuits
3
Output 1
Connected to one end of  Motor 1
4
Ground
Ground pins are connected to ground of circuit (0V)
5
Ground
Ground pins are connected to ground of circuit (0V)
6
Output 2
Connected to another end of  Motor 1
7
Input 2
Directly controls the Output 2 pin. Controlled by digital circuits
8
Vcc2 (Vs)
Connected to Voltage pin for running motors (4.5V to 36V)
9
Enable 3,4
This pin enables the input pin Input 3(10) and Input 4(15)
10
Input 3
Directly controls the Output 3 pin. Controlled by digital circuits
11
Output 3
Connected to one end of Motor 2
12
Ground
Ground pins are connected to ground of circuit (0V)
13
Ground
Ground pins are connected to ground of circuit (0V)
14
Output 4
Connected to another end of Motor 2
15
Input 4
Directly controls the Output 4 pin. Controlled by digital circuits
16
Vcc2 (Vss)
Connected to +5V to enable IC function

L293D IC Connection With Arduino:

Direction of rotation as per the control signals is represented in the following table.


Program for clockwise rotation of motor.

int oneA = 13;
int twoA = 12;

void setup() {                
  pinMode(oneA, OUTPUT);      
  pinMode(twoA, OUTPUT);   
}

void loop() {
  digitalWrite(oneA, HIGH);   // 1A = 1
  digitalWrite(twoA, LOW);    // 2A = 0
  delay(1000);                       // wait for a second
}

Program for anticlockwise rotation of motor.

int oneA = 13;
int twoA = 12;

void setup() {                
  pinMode(oneA, OUTPUT);      
  pinMode(twoA, OUTPUT);   
}

void loop() {
  digitalWrite(oneA, LOW);     // 1A = 0
  digitalWrite(twoA, HIGH);    // 2A = 1
  delay(1000);                       // wait for a second
}

Package Include:

  • 1 x L293D IC Dual H-Bridge Motor Driver 

70.00

In stock

The Device is a monolithic integrated high voltage, high current four channel driver designed to accept standard DTL or TTL logic levels and drive inductive loads (such as relays solenoids, DC and stepping motors) and switching power transistors.  To simplify use as two bridges each pair of channels is equipped with an enable input. A separate supply input is provided for the logic, allowing operation at a lower voltage and internal clamp diodes are included. This device is suitable for use in switching applications at frequencies up to 5 kHz. The L293D is assembled in a 16 lead plastic package that has 4 center pins connected together and used for heatsinking.

L293D IC Features:

  • Speed and Direction control is possible
  • Motor voltage Vcc2 (Vs): 4.5V to 36V
  • Maximum Peak motor current: 1.2A
  • Supply Voltage to Vcc1(VSS): 4.5V to 7V
  • Transition time: 300ns (at 5Vand 24V)
  • Automatic Thermal shutdown is available
  • Available in 16-pin DIP, TSSOP, SOIC packages
  • Maximum Continuous Motor Current: 600mA
  • It can be used to run Two DC motors with the same IC.

L293D IC Pin Configuration:

Pin Number
Pin Name
Description
1
Enable 1,2
This pin enables the input pin Input 1(2) and Input 2(7)
2
Input 1
Directly controls the Output 1 pin. Controlled by digital circuits
3
Output 1
Connected to one end of  Motor 1
4
Ground
Ground pins are connected to ground of circuit (0V)
5
Ground
Ground pins are connected to ground of circuit (0V)
6
Output 2
Connected to another end of  Motor 1
7
Input 2
Directly controls the Output 2 pin. Controlled by digital circuits
8
Vcc2 (Vs)
Connected to Voltage pin for running motors (4.5V to 36V)
9
Enable 3,4
This pin enables the input pin Input 3(10) and Input 4(15)
10
Input 3
Directly controls the Output 3 pin. Controlled by digital circuits
11
Output 3
Connected to one end of Motor 2
12
Ground
Ground pins are connected to ground of circuit (0V)
13
Ground
Ground pins are connected to ground of circuit (0V)
14
Output 4
Connected to another end of Motor 2
15
Input 4
Directly controls the Output 4 pin. Controlled by digital circuits
16
Vcc2 (Vss)
Connected to +5V to enable IC function

L293D IC Connection With Arduino:

Direction of rotation as per the control signals is represented in the following table.


Program for clockwise rotation of motor.

int oneA = 13;
int twoA = 12;

void setup() {                
  pinMode(oneA, OUTPUT);      
  pinMode(twoA, OUTPUT);   
}

void loop() {
  digitalWrite(oneA, HIGH);   // 1A = 1
  digitalWrite(twoA, LOW);    // 2A = 0
  delay(1000);                       // wait for a second
}

Program for anticlockwise rotation of motor.

int oneA = 13;
int twoA = 12;

void setup() {                
  pinMode(oneA, OUTPUT);      
  pinMode(twoA, OUTPUT);   
}

void loop() {
  digitalWrite(oneA, LOW);     // 1A = 0
  digitalWrite(twoA, HIGH);    // 2A = 1
  delay(1000);                       // wait for a second
}

Package Include:

  • 1 x L293D IC Dual H-Bridge Motor Driver 

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