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LMD18245 from NS,National Semiconductor

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LMD18245

Manufacturer: NS

3A, 55V DMOS Full-Bridge Motor Driver

Partnumber Manufacturer Quantity Availability
LMD18245 NS 200 In Stock

Description and Introduction

3A, 55V DMOS Full-Bridge Motor Driver The LMD18245 is a 3A H-Bridge motor driver manufactured by Texas Instruments. Here are its specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage Range:** 12V to 55V  
- **Peak Output Current:** 3A  
- **Continuous Output Current:** 2A (with proper heat sinking)  
- **Low RDS(on) Outputs:** 0.3Ω (typical per bridge)  
- **PWM Control Inputs:** TTL/CMOS compatible  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** TO-220 (15-lead)  

### **Descriptions:**
- The LMD18245 is a monolithic H-Bridge designed for motion control applications, including DC and stepper motors.  
- It integrates DMOS power switches with protection features for reliable operation.  
- Suitable for bidirectional motor control with PWM speed regulation.  

### **Features:**
- **Built-in Shoot-Through Protection:** Prevents simultaneous conduction of high and low-side switches.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Current Limiting:** Internal circuitry prevents excessive current draw.  
- **Fault Status Output:** Indicates overtemperature or overcurrent conditions.  
- **TTL/CMOS-Compatible Inputs:** Allows direct interfacing with microcontrollers or logic circuits.  

This information is based solely on the manufacturer's datasheet.

Partnumber Manufacturer Quantity Availability
LMD18245 NS 1 In Stock

Description and Introduction

3A, 55V DMOS Full-Bridge Motor Driver The LMD18245 is a 3A H-Bridge motor driver manufactured by Texas Instruments.  

### **Specifications:**  
- **Output Current:** 3A continuous, 6A peak  
- **Supply Voltage Range:** 12V to 55V  
- **Low RDS(ON):** 0.3Ω per switch (typical)  
- **PWM Control:** Up to 500kHz  
- **Thermal Shutdown:** Yes  
- **Overcurrent Protection:** Yes  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions and Features:**  
- **H-Bridge Configuration:** Allows bidirectional control of DC motors  
- **High Efficiency:** Low power dissipation due to low RDS(ON)  
- **Integrated Protection:** Includes thermal shutdown and overcurrent protection  
- **Logic-Level Inputs:** Compatible with TTL and CMOS logic  
- **Package:** TO-220 (15-lead)  

This device is designed for driving DC motors in applications such as robotics, industrial automation, and automotive systems.  

(Source: Texas Instruments Datasheet for LMD18245)

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