A4985SESTR-T Integrated Circuits (ICs)

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The A4985SESTR-T is a family of intelligent, high-power motor drivers that provide a way to configure and control brushed DC motors with a single chip. It is designed to support low-voltage, high-power DC motor applications such as automotive, industrial, home, and portable products. This family of motor drivers is part of the PMIC (Power Management Integrated Circuit) family, along with motor controllers and motor drivers.

The A4985SESTR-T is designed to drive brushed DC motors in a “bridge” method with an internal bridge bridge-driver circuit and integrated power MOSFETs. It is controlled through a circuit of simple inputs, making it an ideal choice for applications with limited resources. It has a wide range of features including PWM support, MOSFET overcurrent protection, and open-loop speed control.

The control of the A4985SESTR-T is based on a built-in on-board controller combined with PWM logic. The on-board controller adjusts the drain voltage of the MOSFETs to control the motor’s speed, torque and position. By controlling the output power of the MOSFETs, the motion profiles of the motor can be changed. To reduce noise, a special circuitry has been included to filter out high-frequency noise from the motor.

The A4985SESTR-T, is capable of driving DC motors up to 4A in continuous (7A for quick pulses). Equipped with overvoltage protection against dead shorts to motor coils, the A4985SESTR-T will reduce the power supply to a protect state before the power supply is damaged. It also has a wide range of built-in protection features such as over-temperature protection and over-current protection, making it safe to use.

The A4985SESTR-T is a highly versatile motor driver, capable of powering a wide variety of applications. It is suitable for applications where the motor needs to be driven in a “bridge” configuration, such as power tools and automotive applications. It can also be used in home and industrial applications, where it can be used to control different types of loads.

To further improve the performance of the A4985SESTR-T, the included integrated peripheral circuit offers a number of features to make configuration and operation easier. It includes a reset signal input, Analog and Digital inputs, PWM outputs and various other monitoring functions. The device also provides power control using both on-chip logic and external logic, allowing the motor current and speed of the motor to be controlled.

In conclusion, the A4985SESTR-T is an excellent choice for applications requiring intelligent, high-power DC motor control. With its wide range of features, high level of performance, and easy configuration it is an ideal solution for a variety of applications. As part of a family of motor controllers and drivers, it can provide the necessary power, control and monitoring functions for a variety of applications.

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