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STK6981B from SK

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STK6981B

Manufacturer: SK

4-PHASE STEPPING MOTOR DRIVE FOR UNIPOLAR CONSTANT-CURRENT CHOPPER DRIVER

Partnumber Manufacturer Quantity Availability
STK6981B SK 232 In Stock

Description and Introduction

4-PHASE STEPPING MOTOR DRIVE FOR UNIPOLAR CONSTANT-CURRENT CHOPPER DRIVER The STK6981B is a hybrid IC (integrated circuit) manufactured by Sanyo (now part of ON Semiconductor).  

### **Specifications:**  
- **Type:** Thick-film hybrid IC  
- **Function:** Unipolar stepper motor driver  
- **Supply Voltage (VCC):** Up to 50V  
- **Output Current:** 2.5A (per phase)  
- **Operating Mode:** Constant current PWM control  
- **Protection Features:** Thermal shutdown, overcurrent protection  
- **Package:** SIP (Single In-line Package)  

### **Descriptions and Features:**  
- Designed for driving unipolar stepper motors efficiently.  
- Uses PWM (Pulse Width Modulation) for constant current control, improving motor performance.  
- Includes built-in protection against overheating and overcurrent conditions.  
- Suitable for applications such as printers, industrial automation, and robotics.  
- Requires minimal external components for operation.  

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

Application Scenarios & Design Considerations

4-PHASE STEPPING MOTOR DRIVE FOR UNIPOLAR CONSTANT-CURRENT CHOPPER DRIVER
Partnumber Manufacturer Quantity Availability
STK6981B SANYO 25 In Stock

Description and Introduction

4-PHASE STEPPING MOTOR DRIVE FOR UNIPOLAR CONSTANT-CURRENT CHOPPER DRIVER The STK6981B is a hybrid IC (thick-film hybrid IC) manufactured by SANYO. Below are its key specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Type:** Thick-film hybrid IC  
- **Function:** Power amplifier  
- **Package:** SIP (Single In-line Package)  
- **Power Supply Voltage (VCC):** Typically ±35V (absolute max ±40V)  
- **Output Power:** 30W (at RL = 8Ω, THD = 0.8%)  
- **Total Harmonic Distortion (THD):** 0.8% (at rated output)  
- **Frequency Response:** 20Hz–20kHz  
- **Operating Temperature Range:** -20°C to +85°C  
- **Storage Temperature Range:** -40°C to +125°C  

### **Descriptions:**  
- Designed for high-power audio amplification applications.  
- Includes built-in thermal shutdown and overcurrent protection circuits.  
- Suitable for stereo amplifiers, home audio systems, and other audio equipment.  

### **Features:**  
- **High Output Power:** Capable of delivering 30W into an 8Ω load.  
- **Low Distortion:** Ensures high-fidelity audio reproduction.  
- **Built-in Protection:** Thermal shutdown and overcurrent protection for reliability.  
- **Compact SIP Package:** Easy to mount and integrate into amplifier circuits.  

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

Application Scenarios & Design Considerations

4-PHASE STEPPING MOTOR DRIVE FOR UNIPOLAR CONSTANT-CURRENT CHOPPER DRIVER
Partnumber Manufacturer Quantity Availability
STK6981B STK 4563 In Stock

Description and Introduction

4-PHASE STEPPING MOTOR DRIVE FOR UNIPOLAR CONSTANT-CURRENT CHOPPER DRIVER The STK6981B is a hybrid IC (integrated circuit) manufactured by Sanyo (now part of ON Semiconductor). It is designed as a high-performance power amplifier module, commonly used in audio applications.  

### **Specifications:**  
- **Manufacturer:** Sanyo (now ON Semiconductor)  
- **Type:** Hybrid IC (Thick Film)  
- **Function:** Power Amplifier  
- **Output Power:** 50W (typical)  
- **Supply Voltage (VCC):** ±35V (max)  
- **Operating Temperature Range:** -20°C to +85°C  
- **Package Type:** SIP (Single In-line Package)  
- **Pin Count:** 10 pins  

### **Descriptions and Features:**  
- Designed for high-power audio amplification in stereo systems and amplifiers.  
- Includes built-in thermal shutdown and overcurrent protection.  
- Low distortion and high efficiency.  
- Suitable for use in home audio systems and professional amplifiers.  
- Requires minimal external components for operation.  

For exact electrical characteristics and application circuits, refer to the official datasheet from the manufacturer.

Application Scenarios & Design Considerations

4-PHASE STEPPING MOTOR DRIVE FOR UNIPOLAR CONSTANT-CURRENT CHOPPER DRIVER
Partnumber Manufacturer Quantity Availability
STK6981B 756 In Stock

Description and Introduction

4-PHASE STEPPING MOTOR DRIVE FOR UNIPOLAR CONSTANT-CURRENT CHOPPER DRIVER The STK6981B is a hybrid IC (HIC) manufactured by Sanyo. It is designed as a unipolar stepping motor driver, offering high efficiency and performance for driving stepping motors in various applications.  

### **Key Specifications:**  
- **Supply Voltage (VCC):** 5V to 35V  
- **Output Current (IO):** Up to 1.5A (per phase)  
- **Number of Phases:** 2-phase (bipolar)  
- **Control Method:** Constant current PWM chopper  
- **Built-in Protection Features:** Thermal shutdown, overcurrent protection  
- **Package:** SIP (Single In-line Package)  

### **Features:**  
- **High Efficiency:** Uses PWM chopper control to reduce power dissipation.  
- **Built-in Current Detection:** Ensures stable motor operation.  
- **Low Heat Generation:** Optimized for reduced thermal losses.  
- **Wide Operating Voltage Range:** Suitable for various power supply conditions.  
- **Compact Design:** SIP package allows for space-saving integration.  

### **Applications:**  
- Office automation equipment (printers, scanners)  
- Industrial automation (CNC machines, robotics)  
- Medical devices  
- Consumer electronics  

This IC is commonly used in applications requiring precise motor control with high torque and efficiency.

Application Scenarios & Design Considerations

4-PHASE STEPPING MOTOR DRIVE FOR UNIPOLAR CONSTANT-CURRENT CHOPPER DRIVER

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