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L298P
+BOMIC BRIDGE DRIVER PAR 20POWERSO
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ManufacturerSTMicroelectronics
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Mfr. Part #L298P
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Datasheet L298P DataSheet
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Package PowerSO-20
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In Stock1649
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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
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
Features
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
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.