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LM18298T

Dual Full-Bridge Driver

Partnumber Manufacturer Quantity Availability
LM18298T 1 In Stock

Description and Introduction

Dual Full-Bridge Driver The LM18298T is a high-performance, high-current H-bridge motor driver manufactured by Texas Instruments.  

### **Specifications:**  
- **Operating Voltage Range:** 12V to 40V  
- **Peak Output Current:** 6A  
- **Continuous Output Current:** 3A  
- **Low RDS(ON) Per MOSFET:** 0.3Ω (typical)  
- **PWM Control Inputs:** Compatible with TTL/CMOS logic levels  
- **Thermal Shutdown Protection:** Yes  
- **Undervoltage Lockout:** Prevents operation below safe voltage levels  
- **Package Type:** TO-220 (15-pin)  

### **Descriptions:**  
The LM18298T is designed to drive DC motors, solenoids, and other high-current loads in bidirectional applications. It integrates four power MOSFETs in an H-bridge configuration, allowing efficient control of motor direction and speed using PWM signals.  

### **Features:**  
- **Bidirectional Motor Control:** Enables forward, reverse, and braking operations.  
- **High Efficiency:** Low MOSFET on-resistance minimizes power dissipation.  
- **Built-in Protection:** Includes thermal shutdown and undervoltage lockout.  
- **TTL/CMOS Compatible Inputs:** Works with microcontrollers and logic circuits.  
- **Wide Voltage Range:** Supports 12V to 40V operation.  

This information is sourced from the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Dual Full-Bridge Driver
Partnumber Manufacturer Quantity Availability
LM18298T NS 15 In Stock

Description and Introduction

Dual Full-Bridge Driver The LM18298T is a high-current H-bridge motor driver manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Supply Voltage (VCC):** 12V to 40V  
- **Output Current (Continuous):** 3A per channel  
- **Peak Output Current:** 5A (for short durations)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Logic Input Voltage (TTL/CMOS Compatible):** 5V  
- **Number of Outputs:** 2 (H-bridge configuration)  
- **Package:** TO-220 (15-pin)  

### **Descriptions:**  
- Designed for bidirectional DC motor control.  
- Includes built-in protection features such as thermal shutdown and overcurrent protection.  
- Suitable for driving inductive loads like motors, solenoids, and relays.  

### **Features:**  
- **H-Bridge Configuration:** Allows forward and reverse motor control.  
- **TTL/CMOS Compatible Inputs:** Works with standard logic levels.  
- **Thermal Shutdown:** Prevents damage from overheating.  
- **Cross-Conduction Protection:** Prevents shoot-through currents.  
- **High-Speed Switching:** Supports PWM for speed control.  

This information is based on the manufacturer's datasheet. For detailed electrical characteristics and application notes, refer to the official documentation.

Application Scenarios & Design Considerations

Dual Full-Bridge Driver

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