L6228DTR Integrated Circuits (ICs)

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PMIC, or Power Management Integrated Circuit, is a type of integrated circuit used to manage the power used by a device. The L6228DTR is a Motor Control System with dual RDS on load (T) integrated circuit that can be used to power motors both in single and dual shafts. It provides complete motor control features, allowing both analog and digital control of the motor’s speed, position and direction.

The L6228DTR consists of two high-performance half-H bridges, two advanced Gate Drivers, a five phase motor current sensing circuitry, a set of on/off power inputs, two PWM inputs, and two analog inputs, allowing the motor to be controlled in both analog and digital modes. Its on-chip current sensing circuitry measures the motor’s current and the amount of heat generated by the motor to ensure over current protection, thereby increasing the efficiency of the motor. Additionally, the L6228DTR provides a built-in voltage regulator to ensure a stable supply voltage for the motor.

The L6228DTR is primarily used for DC brush and brushless motor control applications such as cooling fans, pumps, and projectors. It is designed for use in automotive and other harsh environments, as it is can withstand temperatures ranging from -40 to +125 °C. Thanks to its operational stability, the L6228DTR is also available in automotive qualified versions, allowing it to be used in a range of automotive and industrial applications.

The L6228DTR works in the following way. The two PWM inputs allow the motor’s speed, position and direction to be controlled, while the five-phase motor current sensing circuitry measures the motor’s current and the amount of heat generated. Based on these measurements, the on/off power inputs can be used to control the motor’s operation. The two analog inputs can then be used to adjust the speed, position, and direction. Finally, the on-chip voltage regulator ensures a stable supply voltage for the motor.

In conclusion, the L6228DTR is an advanced Motor Control System with dual RDS on load (T) integrated circuit that offers complete motor control features, allowing both analog and digital control of the motor’s speed, position and direction. It is primarily used for DC brush and brushless motor control applications such as cooling fans, pumps, and projectors, and is designed for use in automotive and other harsh environments. The L6228DTR works by using two PWM inputs to control the motor’s speed, position and direction, while its five-phase motor current sensing circuitry measures the motor’s current and the amount of heat generated. The on/off power inputs can then be used to control the motor’s operation, while the two analog inputs can be used to adjust the speed, position, and direction. Finally, the on-chip voltage regulator ensures a stable supply voltage for the motor.

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