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TB6549HQ from TOS,TOSHIBA

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TB6549HQ

Manufacturer: TOS

Brush motor driver IC
Partnumber Manufacturer Quantity Availability
TB6549HQ TOS 12 In Stock

Description and Introduction

Brush motor driver IC The part **TB6549HQ** is manufactured by **Toshiba**.  

### **Specifications:**  
- **Type:** Stepper motor driver IC  
- **Operating Voltage:** 4.5V to 16V  
- **Output Current:** Up to 2.5A (peak)  
- **Control Method:** PWM current control  
- **Microstepping:** Supports 1/8, 1/16 microstepping  
- **Protection Features:** Thermal shutdown, overcurrent protection, undervoltage lockout (UVLO)  
- **Package:** HSOP36 (Heat-sink small outline package)  

### **Descriptions and Features:**  
- Designed for bipolar stepper motor control applications  
- Built-in PWM chopper for constant current control  
- Low ON-resistance output MOSFETs for high efficiency  
- Supports forward/reverse rotation control  
- Includes a built-in decoder for microstepping  
- Suitable for office automation, industrial equipment, and robotics applications  

For detailed electrical characteristics and application circuits, refer to the official Toshiba datasheet.

Application Scenarios & Design Considerations

Brush motor driver IC

Alternative Part Number

  • L6205N --: Dual full-bridge DC motor driver in a similar power class, commonly used as a functional substitute for the TB6549HQ in motor drive applications.
  • DRV8841PWP --: Dual H-bridge motor driver with comparable voltage and current ratings, suitable replacement with different series naming.
  • BD6231F-E2 --: Single/dual H-bridge motor driver IC with similar drive capability and supply range, offered as an alternative from a different manufacturer series.

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