L6229Q

Step Resolution:	--
Base Part Number:	L6229
Supplier Device Package:	32-VFQFPN-EP (5x5)
Package / Case:	32-VFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-25°C ~ 125°C (TJ)
Voltage - Load:	8 V ~ 52 V
Voltage - Supply:	8 V ~ 52 V
Current - Output:	1.4A
Applications:	General Purpose
Series:	--
Technology:	BiCDMOS
Interface:	Parallel
Output Configuration:	Half Bridge (3)
Function:	Driver - Fully Integrated, Control and Power Stage
Motor Type - AC, DC:	Brushless DC (BLDC)
Motor Type - Stepper:	--
Part Status:	Active
Packaging:	Tray

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Stepper motors are widely used in robots, 3D printers and other applications where precise movements are needed. The L6229Q is a monolithic integrated circuit specifically designed for use in stepper motor control applications. It integrates 4 half-bridge drivers, allowing for the control of 4-phase stepping motors, as well as current limitation and overtemperature protection. This article will discuss the application field and working principle of the L6229Q.The L6229Q is an integrated circuit that is used to control 4-phase stepping motors. It contains 4 full bridge drivers, each of which can control a single stepper motor coil. The circuit is designed to be used with stepper motors rated at up to 24 Volt and 3 Amps. The current limiting feature can be adjusted with an external resistor, allowing the motor to operate safely even in the event of an overload. The overtemperature protection feature will shut off the motor in the case of an overheating motor.When used to control a stepper motor, the L6229Q can be connected directly to the motor\'s coils and to the power source of the motor. The circuit can be set up to run in either full step or half step mode. In full step mode, all 4 of the motor\'s coils are activated together in a sequence to move the motor in a linear fashion. In half step mode, two of the coils are activated together in a single step, allowing for more precise movements. The circuit contains two digital inputs, IN1 and IN2, that are used to control the motor. Depending on the logic that is applied to these two pins, the circuit will switch the on/off state of the 4 half bridge drivers. When IN1 and IN2 are both high, all four motors currents will be off. When either of the inputs is low, the driver connected to that pin will become active and start to current limit the connected motor. The circuit can also be used in conjunction with an off-board microcontroller to control the direction, speed and position of the motor. By applying a PWM signal to the driver, it is possible to control the speed of the motor, and the microcontroller can be used to change the direction of the motor. This allows for a wide range of applications and control options. The circuit also contains a variety of safety features. In addition to current limiting and overtemperature protection, the circuit also contains protection against short-circuits and lock-up conditions. In the event of a short-circuit or an overload of the motor, the circuit will shut off the motor and alert the user. In conclusion, the L6229Q is a monolithic integrated circuit specifically designed for use in stepper motor control applications. It contains 4 full bridge drivers and a variety of safety features, making it an ideal choice for applications where precise movements are needed, such as robots and 3D printers.

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