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SLA4340 from SK

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SLA4340

Manufacturer: SK

PNP NPN Darlington H-bridge

Partnumber Manufacturer Quantity Availability
SLA4340 SK 200 In Stock

Description and Introduction

PNP NPN Darlington H-bridge The **SLA4340** is a **stepper motor driver IC** manufactured by **Allegro MicroSystems**. Below are the specifications, descriptions, and features based on available information:

### **Specifications:**
- **Output Current:** Up to **3 A** (peak)
- **Supply Voltage Range:** **10V to 50V**
- **Logic Supply Voltage (VDD):** **5V ±10%**
- **Step Modes:** Full, half, quarter, and microstepping (depending on external control)
- **Protection Features:** Thermal shutdown, under-voltage lockout (UVLO), and overcurrent protection
- **Package Type:** **PowerDIP** (through-hole) or **PowerSOIC** (surface-mount)
- **Operating Temperature Range:** **-20°C to +85°C**

### **Descriptions:**
- The **SLA4340** is a **unipolar stepper motor driver IC** designed for controlling stepper motors in applications like printers, robotics, and automation.
- It integrates **power MOSFETs** and control logic to simplify motor driving circuits.
- The IC supports **PWM current control** for smooth motor operation.

### **Features:**
- **High-Current Drive:** Capable of driving stepper motors up to **3A**.
- **Built-in Protection:** Includes thermal shutdown, UVLO, and overcurrent protection.
- **Flexible Step Control:** Supports multiple step resolutions (full, half, quarter steps).
- **Low Power Dissipation:** Efficient design reduces heat generation.
- **Wide Voltage Range:** Operates from **10V to 50V**, suitable for various motor types.

For exact details, refer to the **official datasheet** from **Allegro MicroSystems**.

Application Scenarios & Design Considerations

PNP NPN Darlington H-bridge

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