ATA6824-PNQW

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PMIC (Power Management Integrated Circuit) forms an integral part of various electrical, automotive, industrial and consumer electronics. Among the various PMICs, Motor Drivers, Controllers are used in a wide range of applications. ATA6824-PNQW is one of the widely used Motor Drivers and Controllers in the industry.

ATA6824-PNQW is a device specially designed and optimized for automotive battery converters and DC motor driving applications. It is an integrated motor controller, driver and a voltage regulator with a wide operating voltage range of 8 to 65 V. This part incorporates an integrated field-effect-transistor (FET) module specially designed to drive high-current motors from a 240 W DC power source. The device is provided with integrated protection features and a step-down DC-DC converter. Furthermore, it features a common enable pin, dual input voltage pins, a load Sense pin, a freewheeling diode integrated, a dead time control input, a field-commutated diode and current protection.

The device exhibits excellent maximum efficiency and is employed in applications requiring higher current ratings, such as automotive door locks, wiper-trucks and packaging machines. ATA6824-PNQW also enables low-power consumption, as it has been designed to minimize the power loss in the on-chip MOSFET switches. Additionally, its integrated voltage regulator allows it to face the wide range of input and output voltages.

Due to its high efficiency and the wide range of input and output voltages, ATA6824-PNQW has found its application in industrial, automotive and consumer electronics. It is used for motor driving applications in automotive door locks and wiper-trucks. It is also widely used in packaging machines, bread makers, blenders, juicers and other home appliances. ATA6824-PNQW is also employed as an efficient power supply component in automotive infotainment and mobile devices.

The working of the ATA6824-PNQW is based on a basic H-bridge circuit. The H-bridge is an electronic circuit which enables the motor to move in either direction quickly by switching the power supply across the two terminals of the motor. The ATA6824-PNQW comprises two inputs, a select voltage pin and a load sense pin. When a voltage is applied to the select voltage pin, the power is supplied to the motor. The load sense pin requires a reference voltage or current to regulate the supply voltage to the motor.

The duty cycle of the supply voltage can be adjusted by changing the reference voltage applied to the load sense pin. The default setting of the duty cycle is 100%, whereas it can be adjusted between 10% and 100%. Moreover, the ATA6824-PNQW features a “Freewheeling Diode” which is used to dissipate the built-up electrical energy from the inductive load.

The ATA6824-PNQW is equipped with a variety of integrated protection features, such as temperature protection, current limitation and overload protection. Temperature protection helps to prevent the device from entering a thermal runaway condition. Current limitation prevents the device from operating at potentially dangerous currents. Overload protection ensures that the device is safe from functioning inappropriately in the event of an overload.

In conclusion, ATA6824-PNQW is a reliable, highly efficient and versatile Motor Driver and Controller. It is widely used in the automotive, industrial and consumer electronics industry for motor driving applications. It is equipped with a number of integrated protection features for added safety. The working principle of this device is based on the operation of a basic H-bridge circuit.

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