Part Number: L6219

Manufacturer: STMicroelectronics

Description: Motor / Motion / Ignition Controllers & Drivers Dual Stepper Motor

Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of L6219DS

Category Integrated Circuits (ICs)
Family PMIC – Motor Drivers, Controllers
Manufacturer Allegro MicroSystems, LLC
Packaging Tube
Part Status Obsolete
Motor Type – Stepper Bipolar
Motor Type – AC, DC Brushed DC
Function Driver – Fully Integrated, Control and Power Stage
Output Configuration Half Bridge (4)
Interface Parallel
Technology Power MOSFET
Step Resolution 1, 1/2
Applications General Purpose
Current – Output 750mA
Voltage – Supply 4.75 V ~ 5.25 V
Voltage – Load 10 V ~ 45 V
Operating Temperature -20°C ~ 150°C (TJ)
Mounting Type Surface Mount
Package / Case 24-SOIC (0.295″, 7.50mm Width)
Supplier Device Package 24-SOIC W

A monolithic integrated circuit called the L6219 is made to drive and control both windings of a bipolar stepper motor or to operate two DC motors simultaneously. Monolithic bipolar integrated circuit is what it is. Using the L6219 together with a few other external components, complete control and drive circuits for an LS-TTL or microprocessor-controlled stepper motor system can be created. The power stage consists of a full twin bridge that can maintain 46 V and has four diodes for current recirculation.

A cross-conduction safeguard is provided to prevent simultaneous cross-conduction during a change of current direction. The output current is controlled by an inbuilt pulse-width modulation (PWM), which maintains it at 750 mA with a peak startup current of up to 1 A. By utilizing two logic inputs in conjunction with an external voltage reference, it is possible to adjust the current across a broad range, beginning at 750 mA for each bridge. The phase input determines the direction in which the load current flows to each bridge. If the chip temperature exceeds the acceptable range for operation, thermal safety circuitry will turn off the outputs.

L6219 Features

  • It can power a bipolar stepper motor’s two windings.
  • It has an output current capacity of 750 mA for each winding.
  • It has a wide 10 V to 46 V voltage range.
  • It has three stepping modes: half-step, full-step, and micro-stepping.
  • It has protection diodes built right in.
  • It has an internal PWM current control system.
  • The output saturation voltage is low.
  • It is made to work with unstable motor supply voltage.
  • It has an internal thermal shutoff.

Frequently Asked Questions

What Is A Stepper Motor?

The brushless DC electric motor, known as a stepper motor or a, step motor or stepping motor, divides a whole rotation into several equal steps. As long as the motor is appropriately scaled for the application in terms of torque and speed, the position of the motor can be instructed to move and hold at one of these steps without any position sensor for feedback (an open-loop controller).

Large stepping motors with fewer poles, known as switched reluctance motors, are often closed-loop commutated.

When DC voltage is provided to the terminals of brushed DC motors, the motors continue to spin. The stepper motor is well known for its ability to transform an input pulse train (usually composed of square waves) into an accurately measured increment in the rotational position of the shaft. The shaft rotates through a fixed angle with each pulse.

Stepper motors consist of several “toothed” electromagnets arranged as a stator revolving around a central iron rotor. An external driver circuit or a microcontroller powers the electromagnets. One electromagnet is powered to attract the gear teeth and turn the motor shaft magnetically. The teeth of the gear are somewhat offset from the next electromagnet when they are lined up with the first electromagnet. In other words, the gear spins a little to line up with the next electromagnet when the first one is turned off and the second one is turned on. The procedure is then repeated. A full rotation comprises an integer number of steps, each of which is referred to as a “step.” This allows for accurate angle turning of the motor.

There are an equal number of electromagnets in each phase, a group within the circular arrangement of electromagnets. The stepper motor’s designer determines the number of groups. To create a consistent arrangement pattern, each group’s electromagnets are interspersed with the electromagnets of the other groups. The grouping pattern, for instance, would be ABABABABAB if the stepper motor has ten electromagnets overall and two groups designated as A or B.

All of the electromagnets in a group are powered simultaneously. To regulate the motor, stepper motors with more phases often have additional wires (or leads).

What Is A Monolithic Integrated Circuit?

A monolithic integrated circuit, often known as an IC, chip, or microchip, is a collection of electronic circuits mounted on a single, tiny, flat piece of semiconductor material, typically silicon. Metal-oxide semiconductor field-effect transistors (MOSFETs) are in large numbers integrated into a small chip. Compared to circuits built from discrete electronic components, these circuits are orders of magnitude faster, smaller, and cheaper. Because of their ability for mass production, dependability, and modular approach to integrated circuit design, ICs have quickly replaced discrete transistor designs. Almost all electronic devices use integrated circuits (ICs), completely changing the electronics industry. The compact size and low cost of ICs, like contemporary computer processors and microcontrollers, have made it feasible for computers, mobile phones, and other home gadgets to become vital components of the structure of modern civilizations.

Technological advances in manufacturing metal-oxide-silicon (MOS) semiconductor devices have made large-scale integration feasible. As technology has advanced since chips’ inception in the 1960s, the size, speed, and capacity of chips have all significantly increased. A modern chip may have billions of MOS transistors in an area no larger than a human fingernail. These developments have led to computer chips now having millions of times the capacity and thousands of times the speed of those from the early 1970s, roughly in line with Moore’s law.

Cost and performance are the two main advantages of ICs over discrete circuits. Instead of being built one transistor at a time, the chips are printed as a whole through photolithography, which lowers the cost. In addition, packaged integrated circuits use a lot less material than discrete circuits. Due to their small size and close proximity, the IC’s components switch quickly and use relatively little power, which improves performance. The primary drawback of integrated circuits (ICs) is the expensive expense of developing and manufacturing the necessary photomasks. Due to their high initial cost, ICs can only be produced in large quantities profitably.


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