AAT4902IUR-T1

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The AAT4902IUR-T1 is a power management integrated circuit (PMIC) motor driver, controller, used in a variety of electromechanical and automotive applications. With its onboard sensing and isolated current sensing, the AAT4902IUR-T1 is an ideal choice for a wide range of automotive applications, including electric power steering systems, airbag actuators, and anti-lock brake systems.

The AAT4902IUR-T1 consists of two power stages and an internal buck-boost converter. The first stage is a 4-phase full bridge driver, which uses an integrated MOSFET array to control the current. The second stage is a motor controller, which uses PWM switching to precisely control the speed and torque of the motor. The internal buck-boost converter allows the AAT4902IUR-T1 to be connected to either a 12V or 24V automotive system.

The AAT4902IUR-T1 also features an integrated current sense amplifier which allows for current sensing of the bridge inputs. This ensures that the AAT4902IUR-T1 is able to detect any overloads or short circuits in the system. The current sensing also allows for accurately monitoring the current in the system, enabling better control and protection of the motor.

The AAT4902IUR-T1 is designed to be both robust and efficient, with an operating temperature range of -40°C to +125°C. It is also EMC compliant and UL certified, making it suitable for even the harshest automotive environments.

In addition to its power management functions, the AAT4902IUR-T1 also provides protection against overcurrent, overvoltage, and undervoltage conditions. The AAT4902IUR-T1 also offers protection against transient voltages and other environmental hazards, such as electromagnetic interference (EMI).

The AAT4902IUR-T1 can be used to control a wide range of motors, from 1.3 A to 18 A. With its high efficiency operation, the AAT4902IUR-T1 is ideal for automotive applications that require high current, such as airbag deployment, electric power steering systems, and anti-lock braking systems.

Overall, the AAT4902IUR-T1 is an ideal choice for automotive applications where efficient and reliable power management is required. With its wide range of features, robust design, and efficient operation, the AAT4902IUR-T1 is ideal for use in a variety of automotive applications.

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