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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.

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.

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.

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.

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