A4956GESTR-T

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A4956GESTR-T is a product in the family of high-performance DMOS gate drivers, which satisfy the needs of the most demanding applications. This product is especially applicable to the PMIC - Motor Drivers, Controllers. It is designed to provide optimum performance and control of various motors and drives.The A4956GESTR-T consist of a dual MOSFET gate driver integrated with four output channels for controlling two brushed DC motors as well as two full bridges for controlling two stepper motors such as a 3-phase or a 5-phase motor. Its single supply of 5 V to 10.5 V can drive the two outputs of up to 4 A each. It has a wide range of features such as overtemperature protection, shutdown mode and undervoltage lockout (UVLO). It also has configurable current protection and current sense amplifiers. This allows protection against short circuits, over-current, and over-temperature. To enable the operation of the gates of the MOSFETs, the A4956GESTR-T also includes high voltage and low voltage logic level translators and drivers. This allows levels of 0 V and 5 V on the control pins. The device also includes three channels which can be used as a timer or a capturing of codes, as well as a PWM channel with a fixed frequency and adjustable duty cycle.The A4956GESTR-T can operate in several motor control modes. It can be used for several motor types such as brushed DC motor, brushless DC motor and stepper motor. Furthermore, it can be used for several motor control techniques such as Speed Control, Position Control, Current Control and Torque control.The A4956GESTR-T integrates a high voltage and low voltage low side driver and the main operational amplifier, and an associated power switch which allows the device to switch between low frequency and high frequency operation. The low frequency operation mode allows for a lower current consumption, longer battery life, a higher immunity to noise and a better signal stability. The high frequency operation mode, allows for higher efficiency and faster response time of the motor control, as well as a higher immunity to noise.The A4956GESTR-T also provides a wide range of protection features, including thermal shut down, under-voltage lockout (UVLO), overvoltage lockout (OVLO) and over current protection. These features are designed to protect the device and the motor in case of unexpected events. In conclusion, the A4956GESTR-T is the perfect solution for building a PMIC - Motor Drivers, Controllers. It excels at providing an optimum performance and control of various motors and drives with its comprehensive features.

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