ATA6843-PLQW-1

Series:	Automotive, AEC-Q100
Packaging:	Cut Tape (CT)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Motor Type - Stepper:	--
Motor Type - AC, DC:	Brushless DC (BLDC)
Function:	Controller - Commutation, Direction Management
Output Configuration:	Pre-Driver - Half Bridge (3)
Interface:	LIN
Technology:	Power MOSFET
Step Resolution:	--
Applications:	Automotive
Current - Output:	--
Voltage - Supply:	5.25 V ~ 32 V
Voltage - Load:	--
Operating Temperature:	-40°C ~ 150°C (TA)
Mounting Type:	Surface Mount
Package / Case:	48-VFQFN Exposed Pad
Supplier Device Package:	48-QFN (7x7)

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Introduction

The ATA6843-PLQW-1 is a motor controller designed to control low-voltage motors. This device has a wide range of applications, including controlling window openers, rolling-shutter motors, and ventilation fans. It is capable of providing up to 1A of 50V DC current and features integrated protection features such as low-voltage cutoff, undervoltage lock-out, and overtemperature protection. Additionally, the ATA6843-PLQW-1 has speed regulation capabilities, which can be adjusted by adjusting the gate voltage of the transistor or by varying the frequency of an external driver.

Power Supply

The ATA6843-PLQW-1 requires a single 10V DC power supply for operation and is capable of providing up to 1A of 50VDC current. It also has an integrated protection feature, which shuts down the current if the voltage drops below a certain set value. This prevents the motor from stalling out due to an insufficient supply voltage and can be adjusted by the user when required. Additionally, the motor driver is capable of operation with 8-18V DC, which allows for use in applications with varying supply voltages.

Motor Control

The ATA6843-PLQW-1 is capable of controlling two motors, with each being controlled separately. It has an integrated MOSFET driver that enables speed regulation of the motor via an external signal. This allows for precise control over the speed and direction of the motor, as it can be easily adjusted or reversed with a couple of switches. The device also has active braking capability, which can be enabled or disabled by the user. Additionally, the ATA6843-PLQW-1 includes pre-programmable frequency, for variable speed operation.

Protection

The ATA6843-PLQW-1 comes with various protection features, which help to ensure safe operations. This includes an undervoltage lockout feature, which prevents the motor from operating if the supply voltage is below a certain pre-set value. Additionally, the device has an over-temperature protection feature, which shuts off the current if the temperature of the motor exceeds a certain set value. This helps to prevent damage to the motor due to excessive heat.

Conclusion

The ATA6843-PLQW-1 motor controller is a low-voltage motor driver designed to provide up to 1A of 50V DC current. It is capable of speed regulation and also has active braking and pre-programmable frequency features. Additionally, the device is equipped with various protection features, such as over-temperature protection and undervoltage lockout, which ensure safe and reliable operation. As a result, the ATA6843-PLQW-1 is an ideal choice for applications requiring precise speed control, such as window openers, rolling shutters, and ventilation fans.

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