Overview
The L6506DC013TR, produced by STMicroelectronics, is a linear integrated circuit designed to sense and control the current in stepping motors and similar devices. This component is part of the L6506/D series and is particularly useful in applications requiring precise current control in inductive loads. It can be used in conjunction with dual bridge drivers, quad Darlington arrays, or discrete power transistors to drive stepper motors efficiently.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCC Supply Voltage | 4.5 - 7 | V |
| ICC Quiescent Supply Current (VCC = 7V) | 25 | mA |
| Total Power Dissipation (Tamb = 70°C) for DIP18 | 0.8 | W |
| Total Power Dissipation (Tamb = 70°C) for SO20 | 0.8 | W |
| Tj Junction Temperature | -40 to 150 | °C |
| Tstg Storage Temperature | -40 to 150 | °C |
| fosc Frequency Range | 5 - 70 | KHz |
| VthL Lower Threshold Voltage | 0.33 VCC | V |
| VthH Higher Threshold Voltage | 0.66 VCC | V |
| Ri Internal Discharge Resistor | 0.7 - 1.3 | kΩ |
Key Features
- Current Sensing and Control: The L6506DC013TR is designed to sense and control the current in stepping motors and similar devices, ensuring precise current regulation.
- Compatibility with Various Drivers: It can be used with dual bridge drivers (e.g., L298), quad Darlington arrays (e.g., L7150), and quad DMOS arrays (e.g., L6114/L6115), or discrete power transistors.
- Oscillator and Pulse Width Modulation: The device includes an on-chip oscillator that drives a dual chopper, setting the operating frequency for the pulse width modulated drive. The frequency can be adjusted using an external RC network.
- Synchronization Capability: Multiple devices can be synchronized using the sync pin, helping to avoid ground noise problems in multiple configurations.
- Microstepping Capability: The L6506DC013TR supports microstepping of both bipolar and unipolar motors, allowing for finer motor control.
- TTL Compatible Inputs and Outputs: The device has TTL compatible inputs and outputs, making it compatible with a wide range of logic circuits.
Applications
- Stepper Motor Drivers: The L6506DC013TR is primarily used to drive stepper motors in various configurations, including full step, half step, and microstepping.
- Industrial Automation: It is used in industrial automation systems where precise motor control is necessary.
- Robotics and CNC Machines: The component is suitable for use in robotics and CNC machines where accurate and reliable motor control is critical.
- Medical Devices: It can be used in medical devices that require precise motor control, such as in medical imaging and diagnostic equipment.
Q & A
- What is the primary function of the L6506DC013TR?
The primary function of the L6506DC013TR is to sense and control the current in stepping motors and similar devices.
- What is the operating voltage range of the L6506DC013TR?
The operating voltage range is 4.5V to 7V.
- How can the operating frequency of the L6506DC013TR be adjusted?
The operating frequency can be adjusted using an external RC network connected to pin 1.
- Can multiple L6506DC013TR devices be synchronized?
- What types of stepper motors can the L6506DC013TR drive?
The L6506DC013TR can drive both bipolar and unipolar stepper motors.
- What is the maximum junction temperature for the L6506DC013TR?
The maximum junction temperature is 150°C.
- Is the L6506DC013TR compatible with TTL logic circuits?
- How is the peak current in the load winding programmed?
The peak current is programmed by selecting the value of the sense resistor and the reference voltage (Vref).
- What is the typical quiescent supply current of the L6506DC013TR?
The typical quiescent supply current is 25 mA when VCC = 7V.
- What are the common applications of the L6506DC013TR?
