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L293D Motor Driver IC (2 Pcs)
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L293D Motor Driver IC (2 Pcs)
L293D PowerDIP-16 Stepper Motor Controller/ Driver is a dual H-bridge motor driver integrated circuit (IC). Motor drivers act as current amplifiers since they take a low-current control signal and provide a higher-current signal. This higher current signal is used to drive the motors.
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.
It is suitable for use in switching applications at frequencies up to 5 kHz. The L293D is assembled in a 16 lead plastic package which has 4 centre pins connected together and used for heatsinking The L293DD is assembled in a 20 lead surface mount which has 8 centre pins connected together and used for heatsinking.
L293D contains two inbuilt H-bridge driver circuits. In its common mode of operation, two DC motors can be driven simultaneously, both in forward and reverse direction. The motor operations of two motors can be controlled by input logic at pins 2 & 7 and 10 & 15. Input logic 00 or 11 will stop the corresponding motor. Logic 01 and 10 will rotate it in clockwise and anticlockwise directions, respectively. Enable pins 1 and 9 (corresponding to the two motors) must be high for motors to start operating.
When an enable input is high, the associated driver gets enabled. As a result, the outputs become active and work in phase with their inputs. Similarly, when the enable input is low, that driver is disabled, and their outputs are off and in the high-impedance state. They are designed to drive inductive loads such as relays, solenoids, dc and bipolar stepping motors, as well as their high-current/high-voltage loads in positive-supply applications.
If you want to control the dc motor with these motor driver ICs, for that you will need few essential components like
Note: Image may vary from actual product in terms of Manufacturer/Brand name according to the availability.
Pinout:
Pinout Of L293D Motor Driver IC
Features:
- Separate Input-Logic Supply
- Internal ESD Protection
- Thermal Shutdown
- High-Noise-Immunity Inputs
Applications:
- High Current Motor Driver IC.
- Dual H-bridge for controlling up to two motors at a time.
- Ideal for Inductive load decoupling from the main/control unit.
- Wide voltage range allows for an adaptive voltage range control.
Package Includes:
- 2 x L293D IC
Specifications:
| Motor driver | L293D (Branded non-Chinese) |
| Type | Dual H-Bridge |
| Voltage Range: | 4.5V to 36 V |
1. What is the difference between L293D and the L298N motor driver?
- The basic difference between the L293D and the L298N motor driver:
- L293D drivers can operate between 4.5V and 36V, while L298N drivers can operate up to 46V.
- Maximum 600mA Current can be drawn from both L293D channels, while L298N Motor Driver can draw up to 2A from both channels.
- L293 is a quadruple motor driver with a half-H driver, whereas L298 is a dual full-H driver.
2. What is a motor driver IC?
- A motor driver IC is a type of integrated circuit chip used to control motors in autonomous robots. Motor driver ICs serve as an interface between robot microprocessors and motors.
3. How many DC motors can be controlled simultaneously single L293D IC?
- The L293D is a 16-pin Motor Driver IC that can control up to two DC motors simultaneously in any direction.
4. What is VSS and VS in L293D?
- The L293D has two pins labeled VS and VSS. They appear to be both power pins. In this case, VS is receiving 12V while VSS is receiving 5V.
5. What is L293D motor driver IC?
- The L293D is capable of bidirectional drive currents of up to 600 mA at voltages ranging from 4.5 V to 36 V. In positive-supply applications, both devices are intended to drive inductive loads such as relays, solenoids, dc and bipolar stepping motors, as well as other high-current/high-voltage loads.
6. How do I choose a motor driver?
- Below are some points that helps you to choose Motor drivers:
- Maximum Supply Voltage.
- Maximum Output Current.
- Rated Power Dissipation.
- Load Voltage.
- Packaging Type.
- Number Of Outputs.
