TLF35584QVVS1XUMA2

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Power Management Integrated Circuit (PMIC) is an evolving and technology-rich field of integrated circuits that is designed to manage and distribute energy for various electrical and electronic systems. The type of PMIC used typically determines the capability and performance of the system, depending on the requirements and applications of the system. One of the types of PMIC is the motor drivers, controllers, and the TLF35584QVVS1XUMA2 is an example. Below is a brief overview of the TLF35584QVVS1XUMA2 application field and its working principle.

Application Field

The TLF35584QVVS1XUMA2 is a dual-channel full-bridge PWM motor driver with integrated high power MOSFETs, suitable for a wide range of motor applications. It is used primarily in DC brushed motor applications and can be used to control the speed and direction of the motor.

The TLF35584QVVS1XUMA2 uses a partitioned gate structure with an integrated bootstrap diode to reduce the switching loss of the internal MOSFETs. It has a wide operating voltage range of up to 32V, and can deliver up to 3.5A continuous current per channel. It also has a maximum frequency of 25kHz with a wide 8-bit PWM resolution.

Working Principle

The TLF35584QVVS1XUMA2 provides a highly efficient solution for brush DC motor applications by utilizing a partitioned gate structure for the internal MOSFETs. The operation of the device is controlled through the logic signals applied to the Input pins.

When the Enable Input pin is in the High state, the device enables the Output pins, thus activating the Internal MOSFETs. The direction of the motor is controlled using the Direction Control pin, which selects either forward or reverse direction. The speed of the motor is controlled using the PWM Duty Control pin, which provides an 8-bit resolution and up to 25kHz PWM frequency.

The internal MOSFETs are partitioned by a bootstrap diode, which provides the necessary voltage to maintain the MOSFETs in their On state. The MOSFETs are also configured in a full-bridge configuration, thus allowing the motor to be driven in both directions.

Conclusion

The TLF35584QVVS1XUMA2 from Vishay is a dual-channel full-bridge PWM motor driver with integrated high power MOSFETs, suitable for a wide range of motor applications. It provides an efficient solution for drive brush DC motors and can be used to control the speed and direction of the motor. The wide operating voltage, current and PWM resolution, makes it an ideal solution for most motor control applications.

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