Overview
The L6219R013TR is a bipolar monolithic integrated circuit designed by STMicroelectronics to control and drive both windings of a bipolar stepper motor or to bidirectionally control two DC motors. This device, with a few external components, forms a complete control and drive circuit for LS-TTL or microprocessor-controlled stepper motor systems. The power stage is a dual full bridge capable of sustaining up to 10V and includes four diodes for current recirculation. It features internal pulse-width-modulation (PWM) for current control, cross conduction protection, and thermal shutdown to ensure safe operation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VS) | 4.5 to 10 | V |
| Output Current (peak) | ±1 | A |
| Output Current (continuous) | ±0.5 | A |
| Logic Supply Voltage (VSS) | 7 | V |
| Logic Input Voltage Range | -0.3 to VSS | V |
| Junction Temperature | +150 | °C |
| Operating Temperature Range | -20 to +85 | °C |
| Storage Temperature Range | -55 to +150 | °C |
| Output Saturation Voltage | 0.3 to 1.6 | V |
| Thermal Shutdown Temperature | 170 | °C |
Key Features
- Able to drive both windings of bipolar stepper motor
- Output current up to 500 mA each winding
- Wide voltage range: 4.5 V to 10 V
- Half-step, full-step, and microstepping mode
- Built-in protection diodes
- Internal PWM current control
- Low output saturation voltage
- Internal thermal shutdown
- Designed for unstabilized motor supply voltage
Applications
The L6219R013TR is suitable for a variety of applications involving bipolar stepper motors and DC motors, including but not limited to:
- Automated systems requiring precise motor control
- Industrial automation
- Medical devices
- Consumer electronics with motorized components
- Robotics and mechatronics
Q & A
- What is the primary function of the L6219R013TR?
The L6219R013TR is designed to control and drive both windings of a bipolar stepper motor or to bidirectionally control two DC motors.
- What is the output current capability of the L6219R013TR?
The device can handle an output current up to 500 mA per winding, with a peak start-up current of up to 1 A.
- What voltage range does the L6219R013TR support?
The L6219R013TR supports a supply voltage range of 4.5 V to 10 V.
- Does the L6219R013TR have built-in protection features?
Yes, it includes built-in protection diodes and internal thermal shutdown to prevent overheating.
- What are the operating temperature limits for the L6219R013TR?
The device operates within a temperature range of -20°C to +85°C.
- Can the L6219R013TR be used in microstepping mode?
Yes, the device supports half-step, full-step, and microstepping modes.
- How does the L6219R013TR control the output current?
The output current is controlled through internal PWM and can be adjusted using two logic inputs and an external voltage reference.
- What is the purpose of the phase input on the L6219R013TR?
The phase input determines the direction of current flow through the load, ensuring proper motor operation.
- Is the L6219R013TR RoHS compliant?
Yes, the L6219R013TR is RoHS compliant with an Ecopack1 grade.
- What package types are available for the L6219R013TR?
The device is available in SO-24 packages, either in tube or tape and reel packing.
