ATA6831N-PIQW

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The ATA6831N-PIQW is a power integrated multi-switch IC used primarily in motor control systems. This type of IC is classified as Power Management Integrated Circuit (PMIC) and through its unique features, it provides motor control, current sensing, and protection against over-current and short circuit conditions.

The ATA6831N-PIQW is available in four different voltage grades; 5V, 9V, 12V, and 18V. It is also available in three form packages – SO-8, TQFN, and HVQFN. Thus, its features are also tailored to meet the specific requirements of different motor control applications.

The ATA6831N-PIQW is equipped with a 4-phase driver, management logic, and a current sensing circuit. The 4-phase driver section has two inputs (IN1 and IN2) which are used to control the rotation direction of the connected motor. A low-side driver output (OUT1) is used to switch the low-side phase and a high-side driver output (OUT2) is used to switch the high-side phase.

The ATA6831N-PIQW also has several protection features. It includes over-voltage protection, current sense protection, and low-side driver’s temperature protection. The over-voltage protection feature ensures that the peak voltage across the motor is not exceeded, while the current sense protection feature takes care of any short circuit condition. It also has a low-side driver’s temperature protection feature that prevents overheating of the low-side driver in case of over-current.

The ATA6831N-PIQW also includes an 8-bit PWM controller, which enables the motor control application to adjust the duty cycle and speed of the motor. This feature is especially useful for applications such as fan control and adjustable speed control.

The PWM controller section also includes a latch-sense circuit that is used to detect zero crossings of the PWM. This feature is used to provide the best possible acceleration or deceleration timing for the motor. The latch-sense circuit allows for precise frequency control and improved speed regulation.

In addition to the aforementioned features, the ATA6831N-PIQW also has a low-voltage supply controller and a separate enable signal, which allows the IC to be disabled when needed. These features are useful for conserving power in battery-powered applications.

Overall, the ATA6831N-PIQW is a highly integrated PMIC and motor driver solution that provides reliable motor control with systems protection features and PWM control. It is suited for use in applications including motor control, fan control, adjustable speed control, and automotive motor control systems.

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