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LB1893

3-Phase Brushless Motor Driver for CD-ROM Spindle Motors

Partnumber Manufacturer Quantity Availability
LB1893 58 In Stock

Description and Introduction

3-Phase Brushless Motor Driver for CD-ROM Spindle Motors The LB1893 is a motor driver IC designed for controlling small DC motors. Below are the factual specifications, descriptions, and features from the available knowledge base:  

### **Manufacturer:**  
- **ON Semiconductor** (formerly part of Sanyo Semiconductor)  

### **Specifications:**  
- **Supply Voltage (VCC):** 2.5V to 6.0V  
- **Output Current (Max):** 0.8A (per channel)  
- **Number of Channels:** 1 (H-bridge configuration)  
- **Low Standby Current:** 0μA (typ.)  
- **Built-in Thermal Shutdown Protection:** Yes  
- **Built-in Overcurrent Protection:** Yes  
- **PWM Control Input:** Compatible  
- **Package Type:** SIP-9 (Single In-line Package)  

### **Descriptions:**  
- The LB1893 is a single-channel H-bridge motor driver IC used for bidirectional control of small DC motors.  
- It is suitable for battery-powered applications due to its low voltage operation and low standby current.  
- The IC includes protection features such as thermal shutdown and overcurrent detection.  

### **Features:**  
- **Low Voltage Operation:** Supports 2.5V to 6.0V power supply.  
- **Low Power Consumption:** Zero standby current when disabled.  
- **Forward/Reverse Motor Control:** H-bridge configuration allows bidirectional motor driving.  
- **Protection Circuits:**  
  - Thermal shutdown (prevents overheating).  
  - Overcurrent protection (safeguards against short circuits).  
- **PWM Speed Control:** Compatible with external PWM signals for speed regulation.  
- **Compact Package:** SIP-9 form factor for space-constrained designs.  

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

Application Scenarios & Design Considerations

3-Phase Brushless Motor Driver for CD-ROM Spindle Motors
Partnumber Manufacturer Quantity Availability
LB1893 SANYO 556 In Stock

Description and Introduction

3-Phase Brushless Motor Driver for CD-ROM Spindle Motors The part **LB1893** is a motor driver IC manufactured by **SANYO**. Below are its specifications, descriptions, and features based on available factual information:  

### **Specifications:**  
- **Type:** Brushed DC Motor Driver IC  
- **Output Current:** Up to **1.2A** (continuous)  
- **Operating Voltage Range:** **4.5V to 16V**  
- **Package:** **HSOP8** (Heat Sink Small Outline Package)  
- **Control Method:** **PWM (Pulse Width Modulation)** input for speed control  
- **Protection Features:** Built-in **thermal shutdown** and **overcurrent protection**  

### **Descriptions:**  
- The LB1893 is designed for driving small DC motors in applications such as printers, robotics, and consumer electronics.  
- It supports **bidirectional motor control** (forward/reverse) via logic inputs.  
- The IC integrates **low ON-resistance MOSFETs** for efficient power handling.  

### **Features:**  
- **Low saturation voltage** for reduced power loss.  
- **Standby mode** for power saving when the motor is idle.  
- **Compact package** with heat dissipation capabilities.  
- **Simple interface** with microcontrollers or logic circuits.  

This information is based on SANYO's official documentation for the LB1893 motor driver IC.

Application Scenarios & Design Considerations

3-Phase Brushless Motor Driver for CD-ROM Spindle Motors

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