Overview
The L6219DSA, produced by STMicroelectronics, is a bipolar monolithic integrated circuit designed to control and drive both windings of a bipolar stepper motor or bidirectionally control two DC motors. This IC is versatile and can be integrated into LS-TTL or microprocessor-controlled stepper motor systems with minimal external components. It features a dual full bridge power stage that can sustain up to 46 V and includes four diodes for current recirculation, ensuring efficient and reliable operation.
Key Specifications
| Parameter | Description | Value | Unit |
|---|---|---|---|
| Supply Voltage (Vs) | Motor supply voltage range | 10 - 46 | V |
| Output Current (IO) | Continuous output current per winding | ±0.75 | A |
| Peak Output Current (IO) | Peak startup current per winding | ±1 | A |
| Logic Supply Voltage (VSS) | Logic supply voltage range | 4.75 - 5.25 | V |
| Operating Temperature Range | Operating temperature range | -40 to +125 | °C |
| Thermal Shutdown Temperature | Junction temperature for thermal shutdown | 170 | °C |
| Package Type | Package type | SO-24 |
Key Features
- Drives both windings of a bipolar stepper motor
- Output current up to 750 mA for each winding
- Wide voltage range: 10 V to 46 V
- Half-step, full-step, and microstepping mode
- Built-in protection diodes
- Internal PWM current control
- Low output saturation voltage
- Designed for unstabilized motor supply voltage
- Internal thermal shutdown
Applications
The L6219DSA is suitable for various industrial and automotive applications, including but not limited to:
- Stepper motor control systems
- DC motor control systems
- Automotive injection control systems
- Industrial automation and robotics
Q & A
- What is the primary function of the L6219DSA?
The L6219DSA is designed to control and drive both windings of a bipolar stepper motor or bidirectionally control two DC motors.
- What is the output current capacity of the L6219DSA?
The L6219DSA can handle an output current of up to 750 mA for each winding, with a peak startup current of up to 1 A.
- What is the voltage range supported by the L6219DSA?
The L6219DSA supports a wide voltage range from 10 V to 46 V.
- Does the L6219DSA support microstepping?
Yes, the L6219DSA supports half-step, full-step, and microstepping modes.
- What kind of protection features does the L6219DSA have?
The L6219DSA includes built-in protection diodes and internal thermal shutdown to protect against overheating.
- How does the L6219DSA manage current control?
The L6219DSA uses internal PWM current control and allows current adjustment through two logic inputs and an external voltage reference.
- What is the operating temperature range of the L6219DSA?
The operating temperature range of the L6219DSA is from -40°C to +125°C.
- What package type is the L6219DSA available in?
The L6219DSA is available in an SO-24 package.
- Is the L6219DSA RoHS compliant?
Yes, the L6219DSA is RoHS compliant with an Ecopack1 grade.
- What are some common applications of the L6219DSA?
The L6219DSA is commonly used in stepper motor control systems, DC motor control systems, automotive injection control systems, and industrial automation.
