MIC4128YML-TR Integrated Circuits (ICs)

Series:	--
Packaging:	Cut Tape (CT)
Part Status:	Discontinued at Digi-Key
Driven Configuration:	Low-Side
Channel Type:	Independent
Number of Drivers:	2
Gate Type:	N-Channel MOSFET
Voltage - Supply:	4.5 V ~ 20 V
Logic Voltage - VIL, VIH:	0.8V, 2.4V
Current - Peak Output (Source, Sink):	1.5A, 1.5A
Input Type:	Inverting, Non-Inverting
Rise / Fall Time (Typ):	20ns, 18ns
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	8-VFDFN Exposed Pad, 8-MLF®
Supplier Device Package:	8-MLF® (2x2)

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Introduction: The MIC4128YML-TR is a high-performance gate driver integrated circuit with a wide range of applications. It integrates a 3-phase low-side gate driver (MIC4128) with digital pass transistors and a buck regulator (TRC7722), providing a versatile solution for applications including DC motor control, solar inverters, and digital power converters. The MIC4128YML-TR is well-suited for use in green energy systems, allowing for both traditional and renewable sources of energy to be used to their fullest potential.Applications: The MIC4128YML-TR gate driver offers a number of applications, including DC motor control. It integrates an advanced 3-phase low-side gate driver and 2-4 high-side P-channel MOSFETs, providing a wide dynamic range for controlling the speed and torque of brushless DC motors. This makes it suitable for a variety of industrial or robotics applications, such as servo or stepper motors.The MIC4128YML-TR can also be used in solar inverters. It integrates a buck regulator and a low-side gate driver that allows the output voltage of the inverter to be accurately adjusted according to the characteristics of the solar panel. This ensures that solar energy is used to the fullest potential, enabling maximum energy savings for a given system.The MIC4128YML-TR can also be used in digital power converters. It integrates a digital pass transistor and a low-side gate driver that can be used to control the switching frequency of the converter. This ensures that the converter can be accurately tuned to the specific requirements of the application, making it ideal for use in a range of digital applications.Working Principle: The MIC4128YML-TR gate driver works on the principle of current-mode operation. When the output voltage of the gate driver is higher than that of the load, current is allowed to flow through the low-side MOSFETs and the gate driver. It then filters out any noise generated by the switching of the power switches.The MIC4128YML-TR gate driver also features a unique 3-phase low-side gate driver (MIC4128) that can be used to control the charging or uncharging of the low-side MOSFETs. This allows for accurate switching of the power switches and ensures a smooth transition between the charging and uncharging cycles.The MIC4128YML-TR gate driver also integrates a buck regulator (TRC7722) which, when combined with the low-side gate driver, allows for the output voltage of the gate driver to be accurately regulated according to the characteristics of the solar panel. This, together with the low-side gate driver, allows for maximum efficiency and maximum energy savings for a given system.Conclusion: The MIC4128YML-TR gate driver integrated circuit is an ideal solution for many green energy applications. It integrates an advanced low-side gate driver (MIC4128), an efficient buck regulator (TRC7722), and digital pass transistors, providing a versatile solution that can be used in a wide range of applications. Its current-mode operation and 3-phase low-side gate driver ensures that the output voltage can be accurately adjusted, making it well-suited for use in DC motor control, solar inverters, and digital power converters.

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