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L298N
+物料清單IC BRIDGE DRIVER PAR 15MULTIWATT
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製造商意法半導體
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製造商部分 #L298N
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數據表 L298N DataSheet
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包裹 MULTIWATT-15
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有存貨4317
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規格
| 屬性 | 價值 |
| Package / Case | Tube |
| Part Status | Active |
| Output Configuration | Half Bridge (4) |
| Applications | DC Motors, Relays, Solenoids, Stepper Motors |
| Interface | Logic |
| Load Type | Inductive |
| Technology | Bipolar |
| Current - Peak Output | 2A |
| Voltage - Supply | 4.5V ~ 7V |
| Voltage - Load | 4.8V ~ 46V |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Fault Protection | Current Limiting, Over Temperature |
| Mounting Type | Through Hole |
概述
Description
The module typically includes an onboard voltage regulator, allowing it to power logic circuitry directly from the motor supply voltage. It offers protection features such as thermal shutdown and current sensing for each bridge, enhancing reliability.
The L298N can be controlled using simple digital signals from a microcontroller, such as PWM for speed control and logic levels for direction control. This makes it ideal for integration with Arduino, Raspberry Pi, and other development platforms.
Due to its ease of use and availability, the L298N is a popular choice for hobbyists and professionals alike who need an efficient and cost-effective solution for motor control applications.
Equivalent
1. L293D: A similar dual H-bridge motor driver but with lower current capability.
2. DRV8833: A dual H-bridge driver with higher efficiency and lower voltage operation.
3. TB6612FNG: Offers higher efficiency and supports greater current with lower heat dissipation.
4. MC33926: Provides enhanced control and protection features with higher current support.
5. VNH5019: Suitable for high-current applications with built-in voltage and current sensing.
These alternatives vary in terms of voltage range, current capability, and additional features.
Features
1. Dual H-Bridge: Capable of controlling two DC motors independently or one stepper motor.
2. Voltage Range: Supports motor supply voltage from 4.5V to 46V.
3. Current Capacity: Can handle up to 2A per channel, with a peak current of 3A for short durations.
4. Thermal Protection: Built-in overheating protection to prevent damage from excessive current.
5. Logic Voltage: Operates with a logic voltage as low as 5V, compatible with most microcontrollers.
6. Speed Control: Supports PWM (Pulse Width Modulation) for speed control.
7. Direction Control: Allows forward and reverse motor rotation control.
8. Compact Design: Includes screw terminals for easy motor and power connections, and 3-pin headers for microcontroller interfacing.
9. Heatsink: Equipped with a heatsink for improved thermal management.
These features make the L298N suitable for robotics, automation, and other applications requiring precise motor control.
Pinout
1. IN1, IN2, IN3, IN4 (Pins 5, 7, 10, 12): Input pins to control motor direction.
2. OUT1, OUT2, OUT3, OUT4 (Pins 2, 3, 13, 14): Output pins connected to the motor.
3. EN A, EN B (Pins 6, 11): Enable pins for Motor A and Motor B, respectively. They can be connected to PWM signals for speed control.
4. VS (Pin 4): Supply voltage for the motors (up to 46V).
5. VSS (Pin 9): Logic supply voltage (typically 5V).
6. GND (Pins 8, 15): Ground pins for the logic and motor supply.
7. SENS A, SENS B (Pins 1, 16): Current sensing pins for Motor A and Motor B, allowing monitoring of the motor current.
The L298N can control two DC motors independently or one stepper motor. It allows for bidirectional control and speed modulation via PWM signals.