L298P

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L298P

+BOM

IC BRIDGE DRIVER PAR 20POWERSO

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Specifications

Attribute Value
Package Tube
ProductStatus Active
OutputConfiguration Half Bridge (4)
Applications DC Motors, Relays, Solenoids, Stepper Motors
Interface Logic
LoadType Inductive
Technology Bipolar
Current-PeakOutput 2A
Voltage-Supply 4.5V ~ 7V
Voltage-Load 4.8V ~ 46V
OperatingTemperature -40°C ~ 150°C (TJ)
FaultProtection Current Limiting, Over Temperature
MountingType Surface Mount
Package/Case 20-SOIC (0.433, 11.00mm Width) Exposed Pad

Overview

Description

The L298P is a dual full-bridge motor driver integrated circuit, commonly used for controlling DC motors and stepper motors in robotics and automation applications. It is designed to handle up to 2A per channel, with a total peak current of 4A shared between both channels. The L298P can be powered by voltages ranging from 5V to 46V, making it versatile for various motor types.
Key features include:
1. Dual Full-Bridge Design: Allows control of two DC motors or one bipolar stepper motor independently.
2. Current Sensing: Provides outputs for current sensing to enhance motor control accuracy.
3. Logic Control Inputs: Compatible with standard TTL/CMOS for easy interfacing with microcontrollers.
4. Protection Features: Includes thermal shutdown and overvoltage protection to prevent damage.
The L298P is often used in conjunction with microcontroller platforms like Arduino, thanks to its compatibility and ease of integration. It is widely used in educational projects, robotics, and prototyping due to its robustness and straightforward interface.

Equivalent

Equivalent products to the L298P chip include the L298N, SN754410, and DRV8825. These chips are used for similar applications involving the control of DC motors and stepper motors. It's important to check the specific requirements and specifications, as there may be differences in terms of voltage, current capacity, and additional features. Always consult the datasheets to ensure compatibility with your project needs.

Features

The L298P is a robust dual H-bridge motor driver designed for controlling DC motors and stepper motors. Key features include:
1. Dual H-Bridge: Capable of driving two DC motors or a single stepper motor.
2. Voltage and Current: Supports supply voltages up to 46V and can deliver a continuous current of up to 2A per channel.
3. PWM Control: Allows for precise speed and direction control of motors using Pulse Width Modulation (PWM) signals.
4. Overheat Protection: Includes thermal shutdown to prevent damage from overheating.
5. Logic Supply Voltage: Operates on a separate logic supply voltage (5V), providing compatibility with microcontrollers.
6. Current Sensing: Features current sensing pins for monitoring motor current, useful for implementing feedback systems.
7. Compact Design: Available in a small form factor making it suitable for a variety of applications.
These features make the L298P a versatile and popular choice for robotics and automation projects requiring motor control.

Pinout

The L298P is a dual full-bridge driver integrated circuit designed to drive inductive loads such as relays, solenoids, DC, and stepping motors. It typically comes in a 20-pin package. Here's a concise overview of its pin functions:
1. Pin 1: ENA - Enable input for the first H-bridge.
2. Pin 2, 3: IN1, IN2 - Input pins for controlling the first H-bridge.
3. Pin 4, 5: OUT1, OUT2 - Output pins for the first H-bridge.
4. Pin 6: VSS - Logic supply voltage.
5. Pin 7: VS - Supply voltage for the motor.
6. Pin 8, 9: OUT3, OUT4 - Output pins for the second H-bridge.
7. Pin 10, 11: IN3, IN4 - Input pins for controlling the second H-bridge.
8. Pin 12: ENB - Enable input for the second H-bridge.
9. Pin 13, 14: GND - Ground pins.
10. Pin 15: SENSEA - Current sensing for the first H-bridge.
11. Pin 16: SENSEB - Current sensing for the second H-bridge.
12. Pin 17: VSS - Logic supply voltage (connected internally to Pin 6).
13. Pin 18: NC - No connection.
14. Pin 19, 20: NC - No connection.
The L298P enables the control of two independent DC motors or one bipolar stepper motor.

Manufacturer

The L298P is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics is known for designing and producing a wide range of semiconductor products, including integrated circuits used in various electronic applications. The company serves multiple markets, including automotive, industrial, personal electronics, and communications. The L298P, in particular, is a dual full-bridge driver designed to control inductive loads such as DC motors and stepper motors, making it popular in robotics and automation projects. STMicroelectronics is recognized for its innovation and commitment to sustainability within the semiconductor industry.

Application

The L298P is a dual full-bridge motor driver primarily used in applications requiring control of DC motors and stepper motors. Key application areas include robotics, where it manages motor direction and speed; automated conveyor systems for industrial automation; and electric wheelchairs or small electric vehicles for precise motor control. It is also utilized in hobbyist projects and educational platforms for teaching motor control concepts. Its capability to handle up to 2A per channel makes it suitable for medium-power motor applications, and it's often integrated into Arduino shields for easy interfacing and prototyping.

Package

The L298P is an integrated monolithic circuit in a 15-lead Multiwatt package. It is used for driving inductive loads such as DC and stepper motors, relays, and solenoids. The Multiwatt package provides a compact and efficient form factor suitable for various electronic applications.